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Podolskiy Evgeny
Arctic Research Center
Associate Professor
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Last Updated :2024/05/09

Researcher Profile and Settings

Alias Name

    Podolskiy Evgeny

Affiliation

  • Arctic Research Center

Job Title

  • Associate Professor

Degree

  • Ph.D.（Nagoya University）

URL

Research funding number

  • 80775536

ORCID ID

J-Global ID

Research Interests

  • marine geophysics   icequake   soundscape   narwhal   hydro-acoustics   Patagonia   Antarctica   Himalaya   Greenland   cryosphere   snow   avalanche   glacier   cryoseismology   

Research Areas

  • Environmental science/Agricultural science / Environmental dynamics / glaciology, seismology, acoustics, geophysics

Educational Organization

Academic & Professional Experience

  • 2021/10 - Today Hokkaido University Arctic Research Center Associate Professor
  • 2019/04 - Today The Cryosphere Editor
  • 2015/12 - 2021/09 Hokkaido University Arctic Research Center Assistant Professor
  • 2015/04 - 2015/11 Hokkaido University Institute of Low Temperature Science JSPS Research Fellow
  • 2012/06 - 2014/06 Joseph Fourier University IRSTEA Marie Curie Research Fellow
  • 2011/01 - 2012/05 Joseph Fourier University IRSTEA Postdoctoral Scholar
  • 2010/08 - 2010/12 Nagoya University Graduate School of Environmental Science Researcher

Education

  • 2008/10 - 2010/06  Nagoya University  Graduate School of Environmental Studies  Ph.D.
  • 2003/09 - 2005/06  Moscow State University  Faculty of Geography  M.Sc.
  • 1999/09 - 2003/06  Moscow State University  Faculty of Geography  B.Sc.
  • 1996/09 - 1999/06  Lyceum of Information Technology #1533

Research Activities

Published Papers

  • Allison P. Lepp, Lauren E. Miller, John B. Anderson, Matt O'Regan, Monica C. M. Winsborrow, James A. Smith, Claus-Dieter Hillenbrand, Julia S. Wellner, Lindsay O. Prothro, Evgeny A. Podolskiy
    The Cryosphere 2024/04/10 [Refereed]
     
    Abstract. Meltwater plume deposits (MPDs) from marine sediment cores have elucidated clearly connected, yet difficult to constrain, relationships between ice-marginal landform construction, grounding-zone retreat patterns, and subglacial hydrology for several glacial systems in both hemispheres. Few attempts have been made, however, to infer coveted details of subglacial hydrology, such as flow regime, drainage style, and mode(s) of sediment transport through time from grain-scale characteristics of MPDs. Using MPD, till, and ice-proximal diamicton samples collected offshore of six modern and relict glacial systems in both hemispheres, we examine whether grain-shape distributions and microtexture assemblages (collectively, grain micromorphology) of the silt fraction are the result of subglacial meltwater action, or are indistinguishable from glacial proximal and subglacial sediments from the same region. We find that of all grains imaged (n=9,400), three-quarters can be described by one-quarter of the full range of measured shape morphometrics, indicating widespread and efficient abrasive processes in subglacial environments. Microtexture analysis reveals that while grains comprising MPDs show evidence of edge rounding more often than tills, fluvial microtextures occur in modest amounts on grain surfaces. Furthermore, MPDs retain many mechanical (i.e., glacial) textures in comparable abundances to tills. Significant alteration of MPDs from till sources is observed for systems (1) for which intensive, potentially catastrophic, meltwater drainage events in the Holocene are inferred from marine geologic records, and (2) with comparatively less mature till grains and a contribution of supraglacial melt to the bed, indicating that quantifiable grain-shape alteration of MPDs may reflect a combination of young till, high-energy flow of subglacial meltwater, persistent sediment entrainment, and/or long sediment transport distances. We encourage future works to integrate grain micromorphology into site-specific marine sediment analyses, which may distinguish periods of persistent, well-connected subglacial discharge from periods of sporadic or disorganized drainage and provide context needed to estimate sediment fluxes and characterize ice response to subglacial meltwater transmission. In addition, this work demonstrates that glacial and fluvial surface textures are retained on silts in adequate abundance for microtexture analysis.
  • Evgeny A. Podolskiy, Monica Ogawa, Jean-Baptiste Thiebot, Kasper L. Johansen, Anders Mosbech
    Communications Biology 7 (307) 2024/03/15 [Refereed]
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  • Evgeny Podolskiy, Takuro Imazu, Shin Sugiyama
    Geophysical Research Letters 50 (e2023GL103235) 2023/04 [Refereed]
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  • Podolskiy E.A
    The Circle 4 14 - 17 2023/01 [Invited]
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  • Evgeny A. Podolskiy, Mads Peter Heide-Jørgensen
    PLOS Computational Biology 18 (9) e1010432 - e1010432 2022/09/22 [Refereed]
     
    Detecting structures within the continuous diving behavior of marine animals is challenging, and no universal framework is available. We captured such diverse structures using chaos theory. By applying time-delay embedding to exceptionally long dive records (83 d) from the narwhal, we reconstructed the state-space portrait. Using measures of chaos, we detected a diurnal pattern and its seasonal modulation, classified data, and found how sea-ice appearance shifts time budgets. There is more near-surface rest but deeper dives at solar noon, and more intense diving during twilight and at night but to shallower depths (likely following squid); sea-ice appearance reduces rest. The introduced geometrical approach is simple to implement and potentially helpful for mapping and labeling long-term behavioral data, identifying differences between individual animals and species, and detecting perturbations.
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  • E.N. Kazakova, E.A. Podolskiy, N.A. Kazakov
    Ice and Snow 62 (1) 99 - 112 2076-6734 2022/02 [Refereed]
     
    Sakhalin Island and the Kuril Islands are among the most dangerous regions in Russia in terms of the impact of avalanches on the population and economics. The orographic conditions of Sakhalin Island and the Kuril Islands impose limitations on the selection of areas for housing settlements and economic enterprises, that is why many of them are situated in avalanche-prone zones. Sixty-three settlements of the region are located in such zones. The article provides the most complete recent information about catastrophic avalanches on Sakhalin Island and the Kuril Islands for the period from 1910 to 2020. During this time, 256 events of releases of the catastrophic avalanches were recorded; as a result of which 1203 people were injured, and 783 died. Information on the conditions when catastrophic avalanches release and their characteristics are presented. It was found that during this period cases of people being caught or deceased in avalanches took place in 72% of winters, and in 12% of them there were five or more catastrophic avalanches per season. The largest number of catastrophic avalanches released on the western coast of Southern Sakhalin, which was conditioned by significant economic development and the high avalanche activity on this area. Despite the large number of avalanche victims, engineering avalanche protection still exists on Sakhalin and the Kuril Islands only on a very limited number of sites, and avalanche prevention services are few and cannot provide an adequate level of avalanche safety on these territories.
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  • Evgeny A. Podolskiy, Yoshio Murai, Naoya Kanna, Shin Sugiyama
    The Journal of the Acoustical Society of America 151 (1) 6 - 16 0001-4966 2022/01/03 [Refereed]
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  • Podolskiy, E. A
    EOS 102 2021/12/09 
    The successful deployment of a seafloor seismometer near the calving front of a Greenland glacier has opened a new avenue to study hidden glacial processes and the behavior of fjord-dwelling wildlife.
  • Podolskiy, Evgeny
    EOS 102 2021/08/19 [Not refereed][Invited]
  • Evgeny A. Podolskiy, Yoshio Murai, Naoya Kanna, Shin Sugiyama
    Nature Communications 12 (1) 3929 - 3929 2021/06/24 [Refereed][Not invited]
     
    AbstractShearing along subduction zones, laboratory experiments on analogue faults, and sliding along glacier beds are all associated with aseismic and co-seismic slip. In this study, an ocean-bottom seismometer is deployed near the terminus of a Greenlandic tidewater glacier, effectively insulating the signal from the extremely noisy surface seismic wavefield. Continuous, tide-modulated tremor related to ice speed is recorded at the bed of the glacier. When noise interference (for example, due to strong winds) is low, the tremor is also confirmed via analysis of seismic waveforms from surface stations. The signal resembles the tectonic tremor commonly observed during slow-earthquake events in subduction zones. We propose that the glacier sliding velocity can be retrieved from the observed seismic noise. Our approach may open new opportunities for monitoring calving-front processes in one of the most difficult-to-access cryospheric environments.
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  • Yota Sato, Koji Fujita, Hiroshi Inoue, Sojiro Sunako, Akiko Sakai, Akane Tsushima, Evgeny A. Podolskiy, Rakesh Kayastha, Rijan B. Kayastha
    Frontiers in Earth Science 9 2021/06/04 [Refereed]
     
    Ice cliffs can act as “hot spots” for melt on debris-covered glaciers and promote local glacier mass loss. Repeat high-resolution remote-sensing data are therefore required to monitor the role of ice cliff dynamics in glacier mass loss. Here we analyze high-resolution aerial photogrammetry data acquired during the 2007, 2018, and 2019 post-monsoon seasons to delineate and monitor the morphology, distribution, and temporal changes of the ice cliffs across the debris-covered Trakarding Glacier in the eastern Nepal Himalaya. We generate an ice cliff inventory from the 2018 and 2019 precise terrain data, with ice cliffs accounting for 4.7 and 6.1% of the debris-covered area, respectively. We observe large surface lowering (>2.0 m a−1) where there is a denser distribution of ice cliffs. We also track the survival, formation, and disappearance of ice cliffs from 2018 to 2019, and find that ∼15% of the total ice cliff area is replaced by new ice cliffs. Furthermore, we observe the overall predominance of northwest-facing ice cliffs, although we do observe spatial heterogeneities in the aspect variance of the ice cliffs (ice cliffs face in similar/various directions). Many new ice cliffs formed across the stagnant middle sections of the glacier, coincident with surface water drainage and englacial conduit intake observations. This spatial relationship between ice cliffs and the glacier hydrological system suggests that these englacial and supraglacial hydrological systems play a significant role in ice cliff formation.
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  • Evgeny A. Podolskiy, Yoshio Murai, Naoya Kanna, Shin Sugiyama
    Seismological Research Letters 92 (5) 1 - 16 0895-0695 2021/05/05 [Refereed]
     
    Abstract About 70% of Earth’s surface is covered by ocean, for which seismic observations are challenging. Seafloor seismology overcame this fundamental difficulty and radically transformed the earth sciences, as it expanded the coverage of seismic networks and revealed otherwise inaccessible features. At the same time, there has been a recent increase in the number of studies on cryoseismology. These have yielded multiple discoveries but are limited primarily to land and ice-surface receivers. Near ice calving fronts, such surface stations are noisy, primarily due to crevassing and wind, are hazardous to maintain, and can be lost due to iceberg calving. To circumvent these issues, we have applied ocean-bottom seismology to the calving front of a tidewater glacier in northwest Greenland. We present details of this experiment, and describe the technical challenges, noise analysis, and examples of recorded data. This includes tide-modulated seismicity with thousands of icequakes per day and the first near-source (∼200–640  m) underwater record of a major kilometer-scale calving event in Greenland, which generated a glacial earthquake that was detectable ∼420  km away. We also identified a decrease in bottom-water temperature, presumably due to modified water stratification driven by extreme Greenland glacial melting, at the end of July 2019. Importantly, we identify glacial sediments as the key reason for the anomalously long (∼9.7  hr) delay in the sensor release from the fjord seafloor. Our study demonstrates a methodology to undertake innovative, interdisciplinary, near-source studies on glacier basal sliding, calving, and marine-mammal vocalizations.
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  • Evgeny A. Podolskiy, Naoya Kanna, Shin Sugiyama
    Communications Earth & Environment 2 (66) 1 - 16 2021/03 [Refereed]
     
    AbstractIn the Arctic, subglacial discharge plumes have been recently recognised as a key driver of fjord-scale circulation. However, owing to the danger that accompanies prolonged observations at plumes, no time-series data are available. Here, we present results showing the chaotic and irregular dynamics of a plume revealed by continuous subsurface monitoring directly on the calving front of a Greenlandic glacier. We found intense fluctuations in the current and scalars (temperature and salinity), recognised shallow and deep tidal modulation and anomalies due to co-seismic drainage of an ice-dammed lake via the plume, and observed rapid and marked changes in stratification. Our analysis uncovers energy cascade intermittency with coherent structures, corresponding to upwelling pulses of warm water. Prior to our research, in situ evidence of time-variable plume dynamics was absent and limited to snapshots, therefore, our study and approach will enable researchers to transition from an episodic view of a plume to a continuously updated image.
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  • Shin Sugiyama, Naoya Kanna, Daiki Sakakibara, Takuto Ando, Izumi Asaji, Ken Kondo, Yefan Wang, Yoshiki Fujishi, Shungo Fukumoto, Evgeniy Podolskiy, Yasushi Fukamachi, Minori Takahashi, Sumito Matoba, Yoshinori Iizuka, Ralf Greve, Masato Furuya, Kazutaka Tateyama, Tatsuya Watanabe, Shintaro Yamasaki, Atsushi Yamaguchi, Bungo Nishizawa, Kohei Matsuno, Daiki Nomura, Yuta Sakuragi, Yoshimasa Matsumura, Yoshihiko Ohashi, Teruo Aoki, Masashi Niwano, Naotaka Hayashi, Masahiro Minowa, Guillaume Jouvet, Eef van Dongen, Andreas Bauder, Martin Funk, Anders Anker Bjørk, Toku Oshima
    Polar Science 27 100632 - 100632 1873-9652 2021/03 [Refereed]
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  • Eef C. H. van Dongen, Guillaume Jouvet, Shin Sugiyama, Evgeny A. Podolskiy, Martin Funk, Douglas I. Benn, Fabian Lindner, Andreas Bauder, Julien Seguinot, Silvan Leinss, Fabian Walter
    The Cryosphere 15 (2) 485 - 500 2021/02/02 [Refereed]
     
    Abstract. Ice mass loss from the Greenland ice sheet is the largest single contributor to sea level rise in the 21st century. The mass loss rate has accelerated in recent decades mainly due to thinning and retreat of its outlet glaciers. The diverse calving mechanisms responsible for tidewater glacier retreat are not fully understood yet. Since a tidewater glacier’s sensitivity to external forcings depends on its calving style, detailed insight into calving processes is necessary to improve projections of ice sheet mass loss by calving. As tidewater glaciers are mostly thinning, their calving styles are expected to change. Here, we study calving behaviour changes under a thinning regime at Bowdoin Glacier, north-western Greenland, by combining field and remote-sensing data from 2015 to 2019. Previous studies showed that major calving events in 2015 and 2017 were driven by hydro-fracturing and melt-undercutting. New observations from uncrewed aerial vehicle (UAV) imagery and a GPS network installed at the calving front in 2019 suggest ungrounding and buoyant calving have recently occurred as they show (1) increasing tidal modulation of vertical motion compared to previous years, (2) absence of a surface crevasse prior to calving, and (3) uplift and horizontal surface compression prior to calving. Furthermore, an inventory of calving events from 2015 to 2019 based on satellite imagery provides additional support for a change towards buoyant calving since it shows an increasing occurrence of calving events outside of the melt season. The observed change in calving style could lead to a possible retreat of the terminus, which has been stable since 2013. We therefore highlight the need for high-resolution monitoring to detect changing calving styles and numerical models that cover the full spectrum of calving mechanisms to improve projections of ice sheet mass loss by calving.
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  • Podolskiy E.A., Sugiyama S.
    Journal of Geophysical Research: Oceans 2020/04 [Refereed][Not invited]
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  • Podolskiy E.A.
    Geophysical Research Letters 47 (e2020GL086951) n/a - n/a 2020/03 [Refereed][Not invited]
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  • Sato Yota, Fujita Koji, Inoue Hiroshi, Sunako Sojiro, Sakai Akiko, Tsushima Akane, Podolskiy Evgeny, Berthier Etienne, Kayastha Rakesh, Kayastha Rijan
    Summaries of JSSI and JSSE Joint Conference on Snow and Ice Research 公益社団法人 日本雪氷学会／日本雪工学会 2020 129 - 129 1883-0870 2020
  • Minowa M, Podolskiy E, Sugiyama S
    Annals of Glaciology 60 (79) n/a - n/a 0260-3055 2019/05 [Refereed][Not invited]
     
    We recorded the ice motion and icequakes on the floating part of Langhovde Glacier in East Antarctica to better understand the dynamic behavior of ice shelves and floating tongues. Diurnal and semi-diurnal variations in ice motion and seismicity were simultaneously observed at all four global navigation satellite system and three seismic stations over 2 weeks. The short-term along-flow ice motion is explained by the elastic response of the glacier to ocean tide-induced hydrostatic stress variations, which decayed at a rate of 0.8 km(-1) toward the grounding line. We observed a large number of icequakes during mid-rising and high tides that covered a broad frequency range and formed two major groups of events centered at 10 and 120 Hz, respectively. The hourly occurrence rates were similar to 500 events h(-1), with the observed seismicity consistent with fracture due to floating tongue bending. We also observed minor secondary peaks at high ice speeds, which could reflect surface cracking due to stretching or basal friction. Our observation demonstrates that tidal-modulation was the main factor to fracture the floating tongue of Langhovde Glacier.
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  • Podolskiy E, Fujita K, Sunako S, Sato Y
    Journal of Geophysical Research 124 (6) n/a - n/a 2169-9003 2019/05 [Refereed][Not invited]
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  • Minowa, M, E.A. Podolskiy, G. Jouvet, Y. Weidmann, D. Sakakibara, S. Tsutaki, R. Genco, S. Sugiyama
    Earth and Planetary Science Letters 515 283 - 290 0012-821X 2019/04 [Refereed][Not invited]
     
    Measuring glacier calving magnitude, frequency and location in high temporal resolution is necessary to understand mass loss mechanisms of ocean-terminating glaciers. We utilized calving-generated tsunami signals recorded with a pressure sensor for estimating the calving flux of Bowdoin Glacier in northwestern Greenland. We find a relationship between calving ice volume and wave amplitude. This relationship was used to compute calving flux variation. The calving flux showed large spatial and temporal fluctuations in July 2015 and in July 2016, with a mean flux of 2.3 +/- 0.15 x 10(5) m(3) d(-1). Calving flux was greater during periods of fast ice flow, high air temperature, and at low/falling tide, indicating the importance of increased longitudinal strain due to glacier acceleration and/or submarine melting at the calving front. Long-term measurements with the method introduced here are promising for understanding the complex interplay of ice dynamics, melting and calving at glacier fronts. (C) 2019 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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  • Sato Yota, Fujita Koji, Inoue Hiroshi, Sunako Sojiro, Sasaki Akiko, Tsushima Akane, Evgeny Podolskiy, Etienne Berthier, Kayastha Etienne Berthier Rijan
    Summaries of JSSI and JSSE Joint Conference on Snow and Ice Research 公益社団法人 日本雪氷学会／日本雪工学会 2019 16  1883-0870 2019
  • De Biagi, V, Barbero, M, Barpi, M, Borri-Brunetto, M, E. Podolskiy
    European Journal of Mechanics / A Solids 74 26 - 33 2018/10 [Refereed][Not invited]
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  • Podolskiy, E. A, Fujita, K, Sunako, S, Tsushima, A, Kayastha, R
    Geophysical Research Letters 45 (18) 9699 - 9709 2018/08 [Refereed][Not invited]
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  • Masahiro Minowa, Evgeny A. Podolskiy, Shin Sugiyama, Daiki Sakakibara, Pedro Skvarca
    Journal of Glaciology 64 (245) 362 - 376 0022-1430 2018/06/01 [Refereed][Not invited]
     
    Calving plays a key role in the recent rapid retreat of glaciers around the world. However, many processes related to calving are poorly understood since direct observations are scarce and challenging to obtain. When calving occurs at a glacier front, surface-water waves arise over the ocean or a lake in front of glaciers. To study calving processes from these surface waves, we performed field observations at Glaciar Perito Moreno, Patagonia. We synchronized time-lapse photography and surface waves record to confirm that glacier calving produces distinct waves compared with local noise. A total of 1074 calving events were observed over the course of 39 d. During austral summer, calving occurred twice more frequently than in spring. The cumulative distribution of calving-interevent time interval followed exponential model, implying random occurrence of events in time. We further investigated wave properties and found that source-to-sensor distance can be estimated from wave dispersion within ∼20% error. We also found that waves produced by different calving types showed similar spectra in the same frequency range between 0.05-0.2 Hz, and that the amplitude of surface waves increased with the size of calving. This study demonstrates the potential of surface-wave monitoring for understanding calving processes.
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  • Sugiyama, S, Tsutaki, S, Sakakibara, D, Saito, J, Ohashi, Y, Katayama, N, Podolskiy, E, Matoba, S, Funk, M, Genco, R
    Low Temperature Science 低温科学第75巻編集委員会 75 1 - 13 1880-7593 2017/03 [Not refereed][Not invited]
     
    The Greenland ice sheet and peripheral ice caps are rapidly losing mass. This mass change hasbeen captured by satellite remote sensing, but more detailed investigations are necessary tounderstand the spatiotemporal variations and mechanism of the ice loss. It has increased particularlyin northwestern Greenland, but in-situ data for northern Greenland are generally sparse. To betterunderstand the ice mass loss in northwestern Greenland, we studied the ice sheet, ice caps and calvingglaciers in the Qaanaaq region, as a part of the Green Network of Excellence (GRENE) Arctic ClimateChange Research Project. Field and satellite observations were performed to measure the mass lossof the ice caps and calving glaciers in the region. Detailed processes were investigated based on fieldmeasurements to understand mechanisms driving the ice loss. The field activities include massbalance monitoring on Qaanaaq Ice Cap since 2012, integrated field observations near the front ofBowdoin Glacier since 2013 and ocean measurements near the calving glaciers. In this contribution,we summarize the results of the GRENE Greenland project, and introduce an overview of the nextproject to be carried out under the framework of the Arctic Challenge for Sustainability Project(ArCS).
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  • Podolskiy Evgeny, Genco, R. Sugiyama, S, Walter, F, Funk, M, Minowa, M, Tsutaki, S, M. Ripepe
    Low Temperature Science 低温科学第75巻編集委員会 75 15 - 36 1880-7593 2017/03 [Not refereed][Invited]
     
    Outlet glaciers in Greenland have retreated and lost mass over the past decade. Understandingthe dynamics of tidewater glaciers is crucial for forecasting sea-level rise and for understanding thefuture of the Greenland Ice Sheet, given the buttressing support that tidewater glaciers provide toinland ice. However, the mechanisms controlling glacier-front location and the role played byexternal forcings (e.g., meltwater input and tidal oscillation) in basal motion and fracture formationleading to iceberg calving are poorly understood. Today it is known that glaciers generate seismicand infrasound signals that are detectable at local and teleseismic distances and can be used to monitorglacier dynamics. Here, we present examples of data recorded by a temporary network of seismicand infrasound instruments deployed at a tidewater glacier (Bowdoin Glacier, Greenland) in July 2015.Some stations were installed on ice at distances as close as ～ 250 m from the calving front,representing the closest deployments to the calving front that have been made to date. Multipleseismic and infrasound events were recorded by five seismic and six infrasound sensors, and linked tosurface crevassing, calving, and ice-cliff collapses, and presumably also hydrofracturing, icebergrotations, teleseismic earthquakes, and helicopter-induced tremors. Using classic seismological andarray analysis approaches (e.g., "short-term averaging/long-term averaging" and "f-k" analysis), as wellas image processing techniques, we explore this unique dataset to understand the glacial response toexternal forcings. Our observations, supported by GPS measurements of ice velocity, local weatherstationrecords, and time-lapse photography, provide a valuable resource for studying seismogenicglacial processes and their dependence on ocean tides and other environmental factors.
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  • Evgeny A. Podolskiy, Fabian Walter
    REVIEWS OF GEOPHYSICS 54 (4) 708 - 758 8755-1209 2016/12 [Refereed][Invited]
     
    The last decade witnessed an explosion in yearly number of publications on passive glacier seismology. The seismic signals from a wide range of glacier-related processes fill a broad band of frequencies (from 10(-3) to 10(2) Hz) and moment magnitudes (from M-3 to M7) providing a fresh and unprecedented view on fundamental processes in the cryosphere. New insights into basal motion, iceberg calving, glacier, iceberg, and sea ice dynamics, and precursory signs of unstable glaciers and ice structural changes are being discovered with seismological techniques. These observations offer an invaluable foundation for understanding ongoing environmental changes and for future monitoring of ice bodies worldwide. In this review we discuss seismic sources in the cryosphere as well as research challenges for the near future. The field of glacier seismology is evolving so rapidly that some parts of this review will likely soon be outdated. Nevertheless, given an overwhelming number of recent publications and rapidly growing seismic data volumes provided by modern seismic installations in polar and mountain regions, this introduction to cryosphere seismicity aims to serve as a timely and comprehensive reference for glaciologists and seismologists.
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  • Evgeny A. Podolskiy, Shin Sugiyama, Martin Funk, Fabian Walter, Riccardo Genco, Shun Tsutaki, Masahiro Minowa, Maurizio Ripepe
    GEOPHYSICAL RESEARCH LETTERS 43 (5) 2036 - 2044 0094-8276 2016/03 [Refereed][Not invited]
     
    Glacier microseismicity is a promising tool to study glacier dynamics. However, physical processes connecting seismic signals and ice dynamics are not clearly understood at present. Particularly, the relationship between tide-modulated seismicity and dynamics of calving glaciers remains elusive. Here we analyze records from an on-ice seismometer placed 250m from the calving front of Bowdoin Glacier, Greenland. Using high-frequency glacier flow speed measurements, we show that the microseismic activity is related to strain rate variations. The seismic activity correlates with longitudinal stretching measured at the glacier surface. Both higher melt rates and falling tides accelerate glacier motion and increase longitudinal stretching. Long-term microseismic monitoring could therefore provide insights on how a calving glacier's force balance and flow regime react to changes at the ice-ocean interface.
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  • Evgeny A. Podolskiy, Valentina A. Lobkina, Yuri V. Gensiorovsky, Emmanuel Thibert
    COLD REGIONS SCIENCE AND TECHNOLOGY 114 44 - 60 0165-232X 2015/06 [Refereed][Not invited]
     
    Systematic snow disposal from street cleaning operations may create large anthropogenic snow/ice bodies. Such man-made cryospheric objects may be considered as complex geophysical interfaces between the atmosphere, landscape, soils and hydrosphere. Urban snow patches not only produce large amounts of meltwater (and therefore a risk of flooding), but also serve as multiphase chemical reactors due to highly polluted mixture of snow/ice with various materials and water inclusions. However, the exact roles of snow patches in the environment and the factors driving their temporal evolution remain unclear. They are nevertheless of major importance for informed decision making and sustainable disposal operations. Here we present the results of a 4-year monitoring program concerning two artificial snow patches near the town of Yuzhno-Sakhalinsk (Russia) and the results of numerical modeling inferring the main corresponding processes, i.e. melting and water discharges. The temperature-based index method proved adequate to assess the evolution of the two snow patches. Constant ablation factors of about 0.45-0.58 and 0.27-0.31 cm w.e. d(-1) degrees C-1, respectively, were found to be appropriate for a first order approximation of snow patch melt dynamics. However, twice lower melt rates were found for one of the two closely located snow patches. This suggests that other factors, such as debris content, likely play a role. This difference in melting can be accounted for by modulating the ablation factor according to debris properties. In terms of peak daily water discharge, snow patch melting produces about 5-15 cm w.e. per day, comparable to rain rates during regional typhoons. This study represents a starting point that should be followed by a more detailed monitoring program and the application of a more complex numerical model of snow disposal sites, to allow optimization of their maintenance. For example, marginal melting or the combined influence of debris and soils on surface runoff should be further investigated. Moreover, better constrained and formulated chemical processes will allow a more reliable estimate of the local environmental impact of regular snow disposal. (C) 2015 The Authors. Published by Elsevier B.V.
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  • E. A. Podolskiy, G. Chambon, M. Naaim, J. Gaume
    NATURAL HAZARDS AND EARTH SYSTEM SCIENCES 15 (1) 119 - 134 1561-8633 2015 [Refereed][Not invited]
     
    Snowpack weak layers may fail due to excess stresses of various natures, caused by snowfall, skiers, explosions or strong ground motion due to earthquakes, and lead to snow avalanches. This research presents a numerical model describing the failure of "sandwich" snow samples subjected to shaking. The finite element model treats weak layers as interfaces with variable mechanical parameters. This approach is validated by reproducing cyclic loading snow fracture experiments. The model evaluation revealed that the Mohr-Coulomb failure criterion, governed by cohesion and friction angle, was adequate to describe the experiments. The model showed the complex, non-homogeneous stress evolution within the snow samples and especially the importance of tension on fracture initiation at the edges of the weak layer, caused by dynamic stresses due to shaking. Accordingly, a simplified analytical solution, ignoring the inhomogeneity of tangential and normal stresses along the failure plane, may incorrectly estimate the shear strength of the weak layers. The values for "best fit" cohesion and friction angle were approximate to 1.6 kPa and 22.5-60 degrees. These may constitute valuable first approximations in mechanical models used for avalanche forecasting.
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  • Evgeny A. Podolskiy, Kaoru Izumi, Vladimir E. Suchkov, Nicolas Eckert
    JOURNAL OF GLACIOLOGY 60 (221) 409 - 430 0022-1430 2014 [Refereed][Not invited]
     
    The analysis of historical avalanche data is important when developing accurate hazard maps. The record of snow-avalanche disasters on Sakhalin and the Kuril Islands is incomplete, due to the historical division into periods of Japanese and Russian rule. Here we combine and analyze data from Japanese and Russian sources to reconstruct a continuous record of avalanche catastrophes in the region from 1910 to 2010. Despite the relatively small scale of the majority of catastrophic avalanches, with a total vertical drop <200 m, we document evidence that places the region among the most avalanche-affected areas in the world. In total, 756 fatalities and >238 injuries have occurred in 275 incidents over a 100 year period (two-thirds of those killed were Japanese). This death toll is higher than that in Canada, New Zealand or Iceland, or non-recreational fatalities in France. A wave of avalanche disasters (1930s-60s) following intense colonization of Sakhalin and the Kuril Islands is evident. Although this 'wave' could be considered a local issue of the past, many presently developing countries may face similar situations. The fatality rate has decreased over time, due to social factors, and differs from that of any other region, in its absence of deaths through recreational activities. Although in recent years the fatality rate is lower than that of Iceland or the USA, the per capita avalanche casualty rate on Sakhalin and the Kuril Islands remains among the highest in the world.
    ダウンロード
  • E. A. Podolskiy, M. Barbero, F. Barpi, G. Chambon, M. Borri-Brunetto, O. Pallara, B. Frigo, B. Chiaia, M. Naaim
    CRYOSPHERE 8 (5) 1651 - 1659 1994-0416 2014 [Refereed][Not invited]
     
    Natural sintering in ice is a fundamental process determining mechanical properties of various ice forms. According to the literature, limited data are available about the complex subjects of snow sintering and bond formation. Here, through cold laboratory mechanical tests with a new shear apparatus we demonstrate time-dependent effects of isothermal sintering on interface strengthening at various normal pressures. Measurements showed that interfacial strength evolved rapidly, conforming to a power law ( mean exponent approximate to 0.21); higher pressure corresponded to higher initial strength and sintering rates. Our findings are consistent with observations on homogeneous snow, provide unique records essential for slope stability models and indicate the significant importance of normal load on data interpretation.
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  • Podolskiy, E. A, M. Barbero, F. Barpi, M. Borri-Brunetto, O. Pallara, B. Chiaia, G. Chambon, M. Naaim
    Proceedings of the International Snow Science Workshop (A7270EP) 1049 - 1051 2013/10 [Not refereed]
    ダウンロード
  • Podolskiy, E. A, K. Izumi, V. E. Suchkov, N. Eckert
    Proceedings of the International Snow Science Workshop (A7045EP) 1135 - 1137 2013/10 [Not refereed]
    ダウンロード
  • Podolskiy, E.A., Chambon, G., Naaim, M., Gaume, J.
    Journal of Glaciology 59 (218) 2013
  • E. A. Podolskiy, G. Chambon, M. Naaim, J. Gaume
    JOURNAL OF GLACIOLOGY 59 (218) 1189 - 1201 0022-1430 2013 [Refereed][Not invited]
    ダウンロード
  • Podolskiy, E. A, Chambon, G, Naaim, M, Gaume, J
    Proceedings of the International Snow Science Workshop 617 - 621 2012/09 [Not refereed]
    ダウンロード
  • Evgeny Andreevich Podolskiy, Bjorn Egil Kringlebotn Nygaard, Kouichi Nishimura, Lasse Makkonen, Edward Peter Lozowski
    JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 117 (1) 2169-897X 2012/06 [Refereed][Not invited]
     
    A mesoscale atmospheric model, the Weather Research and Forecasting model (WRF), was used for a case study that reconstructs mid-spring episodes of rime formation at Mt. Zao, Japan. One particularly interesting and rare form of rime was observed. The formations were feathery, opaque aggregates of granular ice 15-30 cm long, called "shrimp tails" in Japanese. Based on an analysis of model-generated results, we find good quantitative agreement of modeled and observed wind and temperature time series at Jizosancho ropeway station. We identified two icing events (lasting for 36 and 41 h respectively, with surface air temperatures between -6.3 degrees and -0.1 degrees C, relatively constant westerly winds up to 26 m s(-1), and maximum cloud liquid water contents (LWC) between 0.72 and 1.05 g m(-3)). We confirmed that high-resolution modeling (1.1 km grid spacing) was much more accurate than simulations with coarser grids (10 and 3.3 km). The LWC during the formation period of this rare type of icing was estimated for the first time using the WRF model at Mt. Zao, and it was found to be up to several times higher than values previously used in experimental studies. We found that the joint wind speed-air temperature distribution for this type of "tail" rime was more similar to that of a hard rime or glaze, than to a soft rime. We explain the formation of "shrimp tails" by wind impact angle and report previously made laboratory results on its effect on the droplet collision efficiency and the density of rime ice.
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  • Podolskiy E
    Science. 2012/06 [Not refereed][Not invited]
     
    Podolskiy, E, 2012, 'Perspective: Learning from Others' Mistakes', <i>Science</i>.
  • Podolskiy, E. A, B. E. K. Nygaard
    Proceedings of the 14th International Workshop on Atmospheric Icing of Structures (55) 2011/05 [Not refereed]
    ダウンロード
  • Evgeny A. Podolskiy, Kouichi Nishimura, Osamu Abe, Pavel A. Chernous
    JOURNAL OF GLACIOLOGY 56 (197) 431 - 446 0022-1430 2010 [Refereed][Not invited]
     
    Strong ground motions caused by earthquakes can induce catastrophic avalanches. Massive snow avalanching has also been observed on slopes near quarries and underground mines where ground motions are produced by explosives. To address a lack of information regarding seismogenic snow avalanches, we have compiled an inventory to document case histories. For the period 1899-2010, 22 cases are identified worldwide, related to natural or artificial seismicity with magnitudes of 1.9 <= M(w) <= 9.2 and source-to-site distances of similar to 0.2-640 km. In the extreme case, many thousands of simultaneously released large-scale avalanches have been reported. The obtained distribution and variety of parameters are discussed and compared with earthquake-induced landslides and ice avalanches; the results are similar among these three types of failure events, although all data derived from statistical analyses (i.e. non-witnessed cases) represent outliers, suggesting a significant reduction in the threshold magnitudes proposed for landslides. This proposal could be verified by the collection of additional data.
    ダウンロード
  • Evgeny A. Podolskiy, Kouichi Nishimura, Osamu Abe, Pavel A. Chernous
    JOURNAL OF GLACIOLOGY 56 (197) 447 - 458 0022-1430 2010 [Refereed][Not invited]
     
    We conducted experiments on the stability of snow, subjecting snow to vibrations, with the aim of improving our understanding of poorly studied mechanisms behind the triggering of avalanches during earthquakes. Most experiments were carried out on a specially constructed shaking table using artificial snowpacks containing a weak layer. Accelerations in the snow samples were measured using high-frequency sensors, enabling calculation of vibration-induced stresses within the snow at the moment of fracture. We used a high-speed camera to film different types of fracturing. In all cases, the vibrations caused failure of the snow by fracturing along the weak layer or at the base of the snow sample. An additional inertial stress induced by accelerations normal to the shear plane was quantified. We find that this stress can be related to smaller values of the shear strength in snow.
    ダウンロード
  • Podolskiy, E.A., Abe, O., Nishimura, K., Chernous, P.A., Shinbori, K.
    Summaries of JSSI and JSSE Joint Conference on Snow and Ice Research 2009 212 - 212 2009
  • Podolskiy, E.A., Nishimura, K., Izumi, K., Murat Yava?, {\"O}.
    Summaries of JSSI and JSSE Joint Conference on Snow and Ice Research 2009 102 - 102 2009
  • Barashev, N, Podolskiy, E, Chernous, P, Abe, O, K. Nishimura
    Data of Glaciological Studies 107 115 - 119 2009/01 [Refereed]
  • Yukari TAKEUCHI, Hiroyuki HIRASHIMA, Kaoru IZUMI, Isao KAMIISHI, Katsuhisa KAWASHIMA, Satoru YAMAGUCHI, Nobuo MIYAZAKI, Koichi NISHIMURA, Evgeniy PODOLSKIY, Takashi SUZUKI, Shigeki MURAKAMI, Yasoichi ENDO
    Journal of the Japanese Society of Snow and Ice 71 (3) 167 - 176 0373-1006 2009 [Refereed]
    ダウンロード
  • Evgeny A. Podolskiy
    EARTH INTERACTIONS 13 (4) 1 - 14 1087-3562 2009 [Refereed][Not invited]
     
    A covariation of recent global environmental changes and seismicity on Earth is demonstrated. Presently, rising concern about anthropogenic activities and their consequences on the cryosphere and environment have always overlooked changes related to future tectonic activity. Possible factors affecting an increase in the number of earthquakes and volcanic eruptions are reviewed and discussed.
    ダウンロード
  • Podolskiy E
    Data of Glaciological Studies 103 213 - 221 2007 [Refereed][Not invited]
     
    This paper is dedicated to the 200th anniversary of Professor Jean Louis Rodolphe Agassiz (May, 28, 1807 – December, 14, 1873) and briefly outlines his biography and scientific heritage. This noble Swiss-born naturalist left a distinct imprint on glaciology, ichthyology, zoology and paleontology, founded the Museum of Comparative Zoology of Harvard University (1859) and contributed to the organization of the National Academy of Sciences of the USA (1863). His pioneer work was a milestone for the beginning of a new branch of science — experimental glaciology.
    ダウンロード
  • Vikulina, М, Mokrov, E.G, Podolskiy, E. A, Seliverstov, Yu.G, M. Lehning
    Data of Glaciological Studies 99 105 - 107 2005/01 [Refereed]

Conference Activities & Talks

  • Diel cycle and long-distance synchronization in bowhead whales
    Podolskiy, E, Teilmann, J, Heide-Jorgensen, M. P
    The 8th International Bio-Logging Science Symposium  2024/03
  • Sounds of ice & animals in Greenland: listen to learn
    Evgeny Podolskiy
    Greenland Science Conference  2023/11
  • Hydroacoustics in Greenland  [Invited]
    Evgeny Podolskiy
    Glacier acoustics and glacier-ocean interactions  2023/09  International Partnership for Acoustical mOnitoring of Glaciers (IPA OMG)
  • Environmental acoustics
    Evgeny Podolskiy
    Ice-sheet research from different angles: mathematical, physical, environmental and societal aspects  2023/07
  • Glacial tremor and slip  [Invited]
    Evgeny Podolskiy
    「地震活動の物理」２０２２年度 研究集会  2023/03  University of Tokyo
  • Bird-colony dynamics revealed by sound monitoring (Siorapaluk, Greenland)
    E.A. Podolskiy, M. Ogawa, J.-B. Thiebot
    The Seventh International Symposium on Arctic Research (ISAR-7)  2023/03
  • Evgeny Podolskiy
    The International Symposium on Okhotsk Sea & Polar Oceans 2023  2023/02
  • Evgeny Podolskiy, Yoshio Murai, Naoya Kanna, Shin Sugiyama
    AGU Fall Meeting 2022  2022/12  McCormick Place Convention Center  AGU
  • Detecting patterns in animal behavior
    Evgeny Podolskiy
    About active matter symposium  2022/11
  • Marine life: chasing narwhal whales in the fjords
    Evgeny Podolskiy
    Chuo High School Special Lecture  2022/10
  • Glacier Seismology Underwater  [Not invited]
    Evgeny Podolskiy, Yoshio Murai, Naoya Kanna, Shin Sugiyama
    JSSI & JSSE Joint Conference  2022/10
  • Summer with narwhals, the unicorns of the sea  [Not invited]
    Evgeny Podolskiy
    Arctic Research Center Monthly Seminar  2022/09
  • Listening to glaciers and whales with seafloor seismology  [Not invited]
    Evgeny Podolskiy, Yoshio Murai, Naoya Kanna, Shin Sugiyama
    British Seismology Meeting (BSM22: New advances in multi-disciplinary seismology)  2022/09
  • Eavesdropping on glaciers and whales with seafloor seismology  [Not invited]
    Evgeny Podolskiy, Yoshio Murai, Naoya Kanna, Shin Sugiyama
    The Third European Conference on Earthquake Engineering and Seismology (3ECEES)  2022/09
    Download
  • Chaos theory reveals the diving behaviors of a whale  [Not invited]
    Evgeny Podolskiy, M.P. Heide-Jørgensen
    Fundamentals of Active Matter across Scales for Novel Materials  2022/05
  • Rigopiano snow-avalanche controversy（Italy,18 Jan 2017）  [Not invited]
    Evgeny Podolskiy
    2022雪氷学会北海道支部研究発表会  2022/05
  • Continuous glacial tremor and slip revealed by ocean-bottom and surface seismometers
    Podolskiy, E, Murai, Y, Kanna, N, Sugiyama, S
    International Joint Workshop on Slow Earthquakes 2021  2021/09
  • Sounds of ice, whales, and humans in Greenland  [Invited]
    Podolskiy, E
    ArCS II the 2nd plenary meeting  2021/06
  • Podolskiy. E. A
    IARC-ARC Joint Seminar  2021/06  online  IARC (UAF) - ARC (HU)
     
    With climate change ongoing, the Arctic has exhibited some of the most dramatic changes in land, atmosphere, and ocean systems. This seminar series aims to promote international collaboration between the International Arctic Research Center at the University of Alaska Fairbanks (IARC/UAF) and the Arctic Research Center at Hokkaido University (ARC/HU) primarily focused on ocean sciences. Speakers and participants from other research institutions are also welcome.
  • Glacier and whale monitoring with an Ocean-Bottom Seismometer at the calving front  [Not invited]
    Podolskiy, E, Murai, Y, Kanna, N, Sugiyama, S
    Japan Geoscience Union Meeting 2021  2021/06
  • Ocean‐Bottom Seismology of Glacial Earthquakes  [Not invited]
    Podolskiy, E, Murai, Y, Kanna, N, Sugiyama, S
    2021年度第1回地震火山センター談話会  2021/04
  • Listening to the language of Arctic unicorns and ice-quakes  [Invited]
    Global ecosystem and environmental changes in the Arctic  2020/12
  • Multi-purpose ocean acoustic observations in a glacier fjord
    Evgeny Podolskiy
    ArCS-II Meeting  2020/08
  • Glacier tremors revealed by Ocean Bottom Seismometer in Greenland
    Evgeny Podolskiy, Yoshio Murai, Naoya Kanna, Shin Sugiyama
    JpGU-AGU Joint Meeting 2020  2020/07
  • Dynamics of a subglacial meltwater plume revealed by continuous subsurface monitoring directly on the calving front
    Evgeny Podolskiy, Naoya Kanna, Shin Sugiyama
    EGU General Assembly 2020  2020/05
  • Sounds of narwhals in a glacier fjord
    Podolskiy E.A.
    2020年ArCSテーマ2課題間連携会合  2020/02
  • Listening to the language of unicorns and ice-quakes in Greenland  [Not invited]
    Podolskiy Evgeny
    Seminar for Young Leaders from Alaska (Kakehashi project, MoFA)  2019/12
  • グリーンランドにおけるOBS（海底地震計）を用いた氷河地震とクジラの研究  [Not invited]
    Podolskiy Evgeny
    第３回地震火山センター談話会  2019/10
  • Continuous and discrete ice-quakes due to fracture, slow slip and fluids  [Invited]
    Podolskiy Evgeny
    The International Statistical Seismology (StatSei) workshop  2019/08
  • Volcanic‐like long-period seismic events at a tidewater glacier in Greenland  [Not invited]
    Podolskiy Evgeny
    EGU General Assembly 2019  2019/04
  • Thermal fracturing on a Himalayan debris-covered glacier  [Invited]
    Podolskiy Evgeny
    EGU General Assembly 2019  2019/04
  • Hydro-acoustic monitoring of mammals and ice dynamics in Greenland  [Not invited]
    Podolskiy Evgeny
    ArCS Joint Seminar (Thema 2 & 6), HU, Hakodate  2019/03
  • Podolskiy Evgeny
    北海道大学低温科学研究所共同利用研究集会 「気候変化に伴う質量収支と氷河変動に関する研究」  2019/01
  • Nocturnal Thermal Fracturing of a Himalayan Debris-covered Glacier: Evidence from Ambient Seismic Noise and Numerical Modeling  [Not invited]
    Podolskiy Evgeny
    AGU Fall Meeting 2018  2018/12
  • Hydraulic Link between Glacier-dammed Lake and Meltwater Plume Revealed by Seismic Tremor, Time-lapse Imagery, Radar and Mooring  [Not invited]
    Podolskiy Evgeny
    AGU Fall Meeting 2018  2018/12
  • 氷河末端の係留観測で明らかになった氷河融解水プルームによる乱流中のエネ ルギーカスケード  [Not invited]
    Podolskiy Evgeny
    ArCS氷河氷床・海洋相互作用課題 第2回会合  2018/11
  • Nocturnal thermal fracturing of a Himalayan debris-covered glacier: Evidence from ambient seismic noise and numerical modelling  [Not invited]
    Podolskiy Evgeny
    Glaciological Seminar, VAW/ETH-Zurich  2018/10
  • Seismic symphony of a tidewater glacier: tide-modulated cracks, subglacial GLOFs, calving and sliding tremors  [Not invited]
    Podolskiy Evgeny
    Glaciological Seminar, VAW/ETH-Zurich  2018/09
  • Long-period seismic events and tremor at a tidewater glacier in Greenland  [Not invited]
    Podolskiy Evgeny
    European Seismological Commission General Assembly 2018  2018/09
  • Ambient seismic noise due to nocturnal fracture at Himalayan debris-covered glacier  [Not invited]
    Podolskiy Evgeny
    Meeting of Institute of Seismology and Volcanology  2018/07
  • Ambient seismic noise at a Himalayan debris-covered glacier  [Not invited]
    Podolskiy Evgeny
    Japan Geoscience Union Meeting  2018/05
  • Seismic noise as a treasure mountain for a glaciologist  [Not invited]
    Podolskiy Evgeny
    Meeting of Institute of Seismology and Volcanology  2018/01
  • Seismic noise as a proxy for glacier dynamics  [Not invited]
    Podolskiy Evgeny
    5th International Symposium on Arctic Research (ISAR-5)  2018/01
  • Seismic noise as a treasure mountain for a glaciologist  [Not invited]
    Podolskiy Evgeny
    Greenland ice sheet and its recent changes  2017/11

MISC

Research Grants & Projects

  • Acoustic monitoring of Arctic top predators under abrupt climate change
    Grants-in-Aid for Scientific Research, JSPS：
    Date (from‐to) : 2024/04 -2028/03
  • Active matter
    Hokkaido University：SOUSEI Special Research
    Date (from‐to) : 2022/04 -2024/03 
    Author : Akira Kakugo, Yoshiyuki Kageyama, Yukinori Nishigami, Evgeny Podolskiy, Yutaka Sumino
  • Underwater seismology and acoustics for environmental studies in cold regions
    Hokkaido University：SOUSEI Support Program for Young Researchers
    Date (from‐to) : 2021/08 -2022/03
  • Hydro-acoustic monitoring in Greenland
    Hokkaido University：Research for ‘Future Strategy for the 150th Anniversary of Hokkaido University
    Date (from‐to) : 2020/06 -2021/03
  • JSPS：Grants-in-Aid for Scientific Research
    Date (from‐to) : 2018/04 -2021/03 
    Author : Podolskiy Evgeny
  • Triggering Mechanisms of Dry Snow Slab Avalanches (TRIME)
    Research Executive Agency / European Union：Marie Curie International Incoming Fellowship
    Date (from‐to) : 2012/06 -2014/06

Educational Activities

Teaching Experience

  • Inter-Graduate School Classes(Educational Program):Antarctic Science
    開講年度 : 2021
    課程区分 : 修士課程
    開講学部 : 大学院共通科目
    キーワード : 氷河、雪、氷、凍土、気象、アルプス、山岳、環境科学
  • Inter-Graduate School Classes(Educational Program):Antarctic Science
    開講年度 : 2021
    課程区分 : 修士課程
    開講学部 : 大学院共通科目
    キーワード : 野外観測、降雪、積雪、気象、水文
  • Inter-Graduate School Classes(General Subject):Inter-Disciplinary Sciences
    開講年度 : 2021
    課程区分 : 修士課程
    開講学部 : 大学院共通科目
    キーワード : 北極域、地球環境、温暖化、気候変動、炭素循環、水循環、人間活動、永久凍土、北極域航路、国際政治、持続的開発 Arctic, Global environment, Global warming, Climate change, Ecosystems, Human activity, Permafrost, Northern Sea Route, Global politics, Sustainable development
  • Introduction to Circumpolar North
    開講年度 : 2021
    課程区分 : 修士課程
    開講学部 : 環境科学院
    キーワード : 北極域、地球環境、温暖化、気候変動、炭素循環、水循環、人間活動、永久凍土、北極域航路、国際政治、持続的開発 Arctic, Global environment, Global warming, Climate change, Ecosystems, Human activity, Permafrost, Northern Sea Route, Global politics, Sustainable development
  • Fundamental Course in Cold Region Sciences
    開講年度 : 2021
    課程区分 : 修士課程
    開講学部 : 環境科学院
    キーワード : 雪氷・寒冷圏、雪、氷、極地 cryosphere, snow, ice, polar regions
  • Inter-Faculty Classes(General Subject):Inter-Disciplinary Sciences
    開講年度 : 2021
    課程区分 : 学士課程
    開講学部 : 専門横断科目
    キーワード : 北極における海洋および陸域の環境、気候変動、国際関係、北極海航路、海底ケーブル
  • Freshman Seminar
    開講年度 : 2021
    課程区分 : 学士課程
    開講学部 : 全学教育
    キーワード : 北極域、地球環境、温暖化、気候変動、炭素循環、水循環、人間活動、永久凍土、北極域航路、国際政治

Social Contribution

Social Contribution

Media Coverage

  • Seabirds in the midnight sun zone don't lose their circadian rhythm
    Date : 2024/04/12
    Writer: Other than myself
    Program, newspaper magazine: 科学新聞 第3966号
    Paper
  • Date : 2024/03/24
    Publisher, broadcasting station: NIKKEI
    Program, newspaper magazine: NIKKEI: The Nihon Keizai Shimbun
    Paper
  • Date : 2024/03/18
    Publisher, broadcasting station: Hokkaido University
    Program, newspaper magazine: Press release
    Others
  • Date : 2024/03/15
    Publisher, broadcasting station: Hokkaido University
    Program, newspaper magazine: Press release
    Others
  • Date : 2023/05/04
    Publisher, broadcasting station: BBC World Service Radio
    Program, newspaper magazine: Newsroom
    London Media report Listen to a segment from 20 min 35 sec. Read (the original paper): https://doi.org/10.1029/2018GL079653
  • Date : 2023/01
    Publisher, broadcasting station: Hokkaido University
    Program, newspaper magazine: Climate Change
    Internet
  • Date : 2023/01
    Publisher, broadcasting station: Hokkaido University
    Program, newspaper magazine: Climate Change
    Internet
  • Date : 2022/09
    Writer: Myself
    Publisher, broadcasting station: Hokkaido University
    Program, newspaper magazine: プレスリリース（研究発表）
    Internet
  • Date : 2022/09
    Publisher, broadcasting station: Hokkaido University
    Program, newspaper magazine: Press release
    Internet
  • Date : 2021/12/29
    Writer: Other than myself
    Publisher, broadcasting station: Springer Nature America, Inc.
    Program, newspaper magazine: Nature Podcast
    London Media report The Nature Podcast team select some of their favourite stories from the past 12 months.
  • Date : 2021/12/27
    Writer: Myself
    Publisher, broadcasting station: National Institute of Polar Research
    Program, newspaper magazine: ArCS II News Letter vol.3
    Tokyo Pr
  • Interview with Dr. Podolskiy about narwhals
    Date : 2021/09/21
    Writer: Other than myself
    Publisher, broadcasting station: GAZPROM
    Program, newspaper magazine: https://narwhal.ru
    Saint-Peterburg, Russia Internet
  • Date : 2021/07/29
    Writer: Other than myself
    Publisher, broadcasting station: Nature
    Program, newspaper magazine: Podcast
    London Media report 12:34 Eavesdropping on a glacier’s base "We hear about one researcher’s unorthodox attempt to listen in to the seismic-whisper at the foot of a Greenland glacier – a method that might reveal more about conditions under these enormous blocks of ice." Research Article: Podolskiy, E.A., Murai, Y., Kanna, N. et al. Ocean-bottom and surface seismometers reveal continuous glacial tremor and slip. Nat Commun 12, 3929 (2021). https://doi.org/10.1038/s41467-021-24142-4
  • Date : 2021/07/19
    Writer: Other than myself
    Publisher, broadcasting station: 日刊工業新聞社
    Program, newspaper magazine: 日本工業新聞
    東京 Paper
  • Date : 2021/07/15
    Publisher, broadcasting station: Underwater World Publications, Ltd.
    Program, newspaper magazine: International Ocean Systems
    Folcroft, PA 19032 USA Paper p. 10-11
  • Date : 2021/07/08
    Writer: Other than myself
    Publisher, broadcasting station: Hokkaido University,
    Program, newspaper magazine: Press Release
    JP Internet 世界初！海底地震計を使い，氷河流動の検出に成功～微動を使った新しい氷河観測手法を提案～
  • Date : 2021/07/01
    Writer: Other than myself
    Publisher, broadcasting station: Hokkaido University,
    Program, newspaper magazine: Press Release
    JP Internet Scientists show that an ocean-bottom seismometer deployed close to the calving front of a glacier in Greenland can detect continuous seismic radiation from a glacier sliding, reminiscent of a slow earthquake.
  • Date : 2021/05/20
    Writer: Other than myself
    Publisher, broadcasting station: American Geophysical Union,
    Program, newspaper magazine: EOS
    Paper Beurteaux, D. (2021), The chaos beneath a glacier’s calving front, AGU's Eos, 102.
  • Date : 2021/03/25
    Writer: Other than myself
    Publisher, broadcasting station: Hokkaido University,
    Program, newspaper magazine: Press Release
    JP Internet
  • Date : 2021/03/25
    Writer: Other than myself
    Publisher, broadcasting station: Hokkaido University,
    Program, newspaper magazine: Press Release
    JP Internet
  • Date : 2020/11/20
    Writer: Other than myself
    Publisher, broadcasting station: Council for Research Institutes and Centers of Japanese National Universities、
    日本 Internet 取材・文：近藤雄生 撮影：島田拓身 氷河の震動から、地球の動きが見えてくる新たな知を生み出す、「雪氷圏地震学」の取り組み
  • Date : 2020/06/18
    Writer: Other than myself
    Publisher, broadcasting station: Springer Nature America, Inc.
    Program, newspaper magazine: Scientific American Podcast
    US Media report Unicorns of the Sea Reveal Sound Activities, Scientific American, By Julia Rosen on June 18, 2020: Narwhals, recognizable by their large single tusk, make distinct sounds that are now being analyzed in depth by researchers.
  • Date : 2020/06/17
    Publisher, broadcasting station: Laboratory News
    Program, newspaper magazine: the Podcast
    UK Media report How do you record one of the most notoriously shy animals on the planet? Accidentally... Geophysicist Evgeny Podolskiy was busying himself recording the sounds of glaciers in Greenland when he suddenly realised that he had stumbled on the summering grounds of a population of narwhals. So began an odyssey in sound featuring social calls, echolocation and hunting clicks - and, amazingly, a local Inuit hunting expedition.
  • Date : 2020/06/11
    Publisher, broadcasting station: Gimlet Media
    Program, newspaper magazine: Science VS
    NY, US Media report The coronavirus seems to cause symptoms all over our body, from nose to toes. So how can one virus do so many strange things? To find out, we talk to gastroenterologist Dr. Anthony DeBenedet, virologist and immunologist Professor Ann Sheehy, otorhinolaryngologist Professor Thomas Hummel, and dermatologist Professor Amy Paller. Here’s a link to our transcript: https://bit.ly/2zqehBZ This episode was produced by Rose Rimler and Meryl Horn with help from Wendy Zukerman, Sinduja Srinivasan, Michelle Dang and Mathilde Urfalino. We’re edited by Blythe Terrell with help from Caitlin Kenney. Fact checking by Lexi Krupp. Mix and sound design by Peter Leonard. Music written by Peter Leonard, Marcus Bagala, Emma Munger, and Bobby Lord. A huge thanks to all the researchers we got in touch with for this episode, including Dr. Ahmad Sedaghat, Professor Richard Doty, Dr. Elnara Negri, Dr. Evgeniy Podolskiy, Prof. Yvonne Maldonado, Prof. Steven Mentzer, Dr. John Paget, Dr. Connor Bamford, and Dr Gaetano Santulli. And special thanks to Kendra Pierre-Louis, the Zukerman family, and Joseph Lavelle Wilson.
  • Date : 2020/06/04
    Writer: Other than myself
    Publisher, broadcasting station: The Guardian,
    Program, newspaper magazine: Podcast
    UK Media report Narwhals may be shy and elusive, but they are certainly not quiet. Nicola Davis speaks to geophysicist Dr Evgeny Podolskiy about capturing the vocalisations of narwhals in an arctic fjord, and what this sonic world could tell us about the lives of these mysterious creatures.
  • Date : 2020/05/29
    Writer: Other than myself
    Publisher, broadcasting station: Hokkaido University,
    Program, newspaper magazine: Press Release
    JP Internet Joint press release by American Geophysical Union (AGU) and Hokkaido University
  • Date : 2020/05/20
    Writer: Other than myself
    Publisher, broadcasting station: American Geophysical Union,
    Program, newspaper magazine: Press Release
    Washington DC Internet By Lauren Lipuma
  • Date : 2020/04/17
    Writer: Other than myself
    Publisher, broadcasting station: American Geophysical Union,
    Program, newspaper magazine: EOS
    US Paper Evans Ogden, L. (2020), Tuning in to a glacial symphony, AGU's Eos, 101.
  • Date : 2020/04/16
    Writer: Other than myself
    Publisher, broadcasting station: GlacierHub
    US Internet by Audrey Ramming
  • Date : 2019/09/19
    Writer: Other than myself
    Publisher, broadcasting station: Apple Podcasts,
    Program, newspaper magazine: Of volcanoes and men.
    Sweden Media report By Oles Savchuk In the 10th episode of my interview series I am delighted to speak with my friend from the good old Japanese days, Evgeny Podolskiy, assistant professor at the Arctic Research Center, Hokkaido University in Sapporo, Japan. He graduated from the Department of Cryolithology and Glaciology, Faculty of Geography, Lomonosov Moscow State University, though later on his research career took an interesting turn — for the last several years Evgeny has been working in the field that did not exist when he was a student — cryoseismology (study of ice-quakes). We speak about that and how his interest in seismic waves has evolved into smth unexpected
  • Date : 2019/04/19
    Writer: Other than myself
    Publisher, broadcasting station: Hokkaido University
    Program, newspaper magazine: Press Release
    JP Internet
  • Date : 2019/01
    Writer: Other than myself
    Publisher, broadcasting station: Springer Nature America, Inc.
    Program, newspaper magazine: Scientific American
    US Paper Qui, J. (2019), Icy nocturnes, Scientific American, 320(1), 12-13
  • Date : 2018/10
    Publisher, broadcasting station: American Geophysical Union,
    Program, newspaper magazine: GeoSpace
    US Internet Learn, J. P. (2018), Tracking exploding ice cracks on Himalayan glaciers, AGU's GeoSpace.
  • Date : 2018/06/20
    Writer: Other than myself
    Publisher, broadcasting station: GlacierHub
    Internet By Sabrina Ho Yen Yin
  • Date : 2017/04/25
    Writer: Other than myself
    Publisher, broadcasting station: Hokkaido University,
    Program, newspaper magazine: Spotlight on Research
    JP Internet By Katrina-Kay Alaimo
  • Date : 2017/02
    Writer: Other than myself
    Publisher, broadcasting station: Hokkaido University,
    Program, newspaper magazine: Strategy for Making Innovation
    JP Pr 海外の研究機関や本学低温科学研究所等を経て2015年12月に北極域研究センターに着任した ポドリスキ助教。氷河が急に亀裂を生じる際に発生する「氷河地震」について研究している。地震学の 観測手法を生かして氷河の内部を探る「Cryoseismology(氷河地震学)」という新しい分野を 開拓中。現在は、低温科学研究所や海外の研究チームと協力し、グリーンランド北西部にあるボード イン氷河の末端に計測器を設置して観測を行っている。地球温暖化等に影響を及ぼすといわれて いる氷河変動のメカニズム解明を目指す。
  • Date : 2016/06
    Writer: Other than myself
    Publisher, broadcasting station: Hokkaido University,
    Program, newspaper magazine: ILTS News
    JP Paper 2016年 6月 No.41 [pdf:29MB]
  • Date : 2016/03/28
    Writer: Other than myself
    Publisher, broadcasting station: Hokkaido University
    Program, newspaper magazine: Press Release
    JP Internet
  • Icequakes and ocean tides
    Date : 2016/03/27
    Writer: Other than myself
    Program, newspaper magazine: Yomiuri Shimbun
    Paper 27/3/2016, p. 32
  • Date : 2016/03/17
    Writer: Other than myself
    Publisher, broadcasting station: NIPR
    Program, newspaper magazine: Press Release
    JP Internet
  • Date : 2014/05/08
    Writer: Other than myself
    Publisher, broadcasting station: Springer
    Program, newspaper magazine: Nature
    UK Media report >23m:25s
  • Date : 2014/05/07
    Writer: Other than myself
    Publisher, broadcasting station: Springer
    Program, newspaper magazine: Nature
    Paper Qiu, J. Avalanche hotspot revealed. Nature 509, 142–143 (2014). https://doi.org/10.1038/509142a
  • Date : 2014/04
    Writer: Other than myself
    Publisher, broadcasting station: Irstea
    Program, newspaper magazine: Les échos d'Irstea
    Grenoble, France Pr Bomboy, A. "Evgeny Podolskiy enrichit son parcours international à Irstea", N°10, avril-mai 2014, p.7
  • Date : 2012/07/30
    Writer: Other than myself
    Publisher, broadcasting station: AAAS
    Program, newspaper magazine: Science
    Washington DC Paper

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