FUKAMACHI Yasushiresearchmap個人ページ

Last Updated : 2018/09/14

Basic Information

Profile

Affiliation
Institute of Low Temperature Science Water and Material Cycles
Global Institute for Collaborative Research and Education
Arctic Research Center
Job TitleAssociate Professor 
Degree
Ph.D.(Nova University (U.S.A.))
E-mail
URLhttp://wwwoa.ees.hokudai.ac.jp/people/yasuf/
Research funding number20250508

Research Keywords

Southern Ocean, Sea of Okhotsk, sea ice, Antarctic Bottom Water, Meridional overturning circulation, Polynya

Research Areas

Earth and planetary science / Meteorology/Physical oceanography/Hydrology(Polar Oceanography)
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Earth and planetary science / Meteorology/Physical oceanography/Hydrology(Polar Oceanography)

Career

2011/02
-
Today
Water and Material Cycles Section, Institute of Low Temperature Science, Hokkaido University(Associate Professor)
2008/10
-
2011/01
Water and Material Cycles Section, Institute of Low Temperature Science, Hokkaido University(Assistant Professor)
2007/04
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2008/09
Marine and Atmospheric Science Research Section, Institute of Low Temperature Science, Hokkaido University(Assistant Professor)
1995/04
-
2007/03
Marine and Atmospheric Science Research Section, Institute of Low Temperature Science, Hokkaido University(Assistant Professor)
1992/11
-
1995/03
Oceanography Section, Institute of Low Temperature Science, Hokkaido University(Assistant Professor)
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Employmentclose
2011/02
-
Today
Water and Material Cycles Section, Institute of Low Temperature Science, Hokkaido University(Associate Professor)
2008/10
-
2011/01
Water and Material Cycles Section, Institute of Low Temperature Science, Hokkaido University(Assistant Professor)
2007/04
-
2008/09
Marine and Atmospheric Science Research Section, Institute of Low Temperature Science, Hokkaido University(Assistant Professor)
1995/04
-
2007/03
Marine and Atmospheric Science Research Section, Institute of Low Temperature Science, Hokkaido University(Assistant Professor)
1992/11
-
1995/03
Oceanography Section, Institute of Low Temperature Science, Hokkaido University(Assistant Professor)

Academic Background

1986/10
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1992/10
Nova University
-
1992
Nova University Graduate School Physical Oceanography
-
1986
Hokkaido University Department of Geophysics
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1986/10
-
1992/10
Nova University
-
1992
Nova University Graduate School Physical Oceanography
-
1986
Hokkaido University Department of Geophysics

Academic Societies

The Oceanographic Society of Japan
American Geophysical Union
The Oceanography Society
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The Oceanographic Society of Japan
American Geophysical Union
The Oceanography Society

Research Activities

Papers

Sea-ice thickness in the coastal northeastern Chukchi Sea from moored ice-profiling sonar
Fukamachi, Y., D. Simizu, K. I. Ohshima, H. Eicken, A. R. Mahoney, K. Iwamoto, E. Moriya, and S. Nihashi
Journal of Glaciology 63 888-898 2017/10
Observation of frazil ice and upward sediment transport in the Sea of Okhotsk - A possible mechanism of iron supply to sea ice -
Ito, M., K. I. Ohshima, Y. Fukamachi, G. Mizuta, Y. Kusumoto, and J. Nishioka
Journal of Geophysical Research 122 788-802 2017/02
Landfast sea ice breakouts: Stabilizing ice features, oceanic and atmospheric forcing at Barrow, Alaska
Jones, J., H. Eicken, A. Mahoney, Rohith MV, C. Kambhamettu, Y. Fukamachi, K. I. Ohshima, J. C. George
Continental Shelf Research 126 50-63 2016/09
The suppression of Antarctic Bottom Water formation by melting ice shelves in Prydz Bay
Williams, G. D., L. Herraiz-Borreguero, F. Roquet, T. Tamura, K. I. Ohshima, Y. Fukamachi, A. D. Fraser, L. Gao, H. Chen, C. R. McMahon, R. Harcourt and M. Hindell
Nature Communincations 7:12577 2016/08
Surface water mass composition changes captured by cores of Arctic land-fast sea ice
Smith, I. J., H. Eicken, A. R. Mahoney, R. Van Hale, A. J. Gough, Y. Fukamachi, and J. Jones
Continental Shelf Research 118 154-164 2016/04
Estimation of wind drift current in the Soya Strait
Zhang, W., N. Ebuchi, Y. Fukamachi, and Y. Yoshikawa
Journal of Oceanography 72(2) 299-311 2016/04
Interannual variability of sea-ice thickness in the pack-ice zone off Lutzow-Holm Bay, East Antarctica
Sugimoto, F., T. Tamura, H. Shimoda, S. Uto, D. Simizu, K. Tateyama, S. Hoshino, T. Ozeki, Y. Fukamachi, S. Ushio, and K. I. Ohshima
Polar Science 10 43-51 2016/03
Observations of frazil ice formation and sediment upward transport off the northeast coast of Sakhalin
Ito, M., K. I. Ohshima, J. Nishioka, Y. Kusumoto, and Y. Fukamachi
Proceedings of the 31th International Symposium on Okhotsk Sea & Sea Ice 124-127 2016/02
A wind-driven, hybrid latent and sensible heat coastal polynya off Barrow, Alaska
Hirano, D., Y. Fukamachi, E. Watanabe, K. I. Ohshima, K. Iwamoto, A. R. Mahoney, H. Eicken, D. Simizu, and T. Tamura
Journal of Geophysical Research 121 980-997 2016/01
Water properties, heat and volume fluxes of Pacific water in Barrow Canyon during summer 2010
Itoh, M., R. S. Pickart, T. Kikuchi, Y. Fukamachi, K. I. Ohshima, D. Simizu, K. R. Arrigo, S. Vagle, J. Heg, C. Ashjian, J. T. Mathis, S. Nishino, and C. Nobre
Deep-Sea Research I 102 43-54 2015/08
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Sea-ice thickness in the coastal northeastern Chukchi Sea from moored ice-profiling sonar
Fukamachi, Y., D. Simizu, K. I. Ohshima, H. Eicken, A. R. Mahoney, K. Iwamoto, E. Moriya, and S. Nihashi
Journal of Glaciology 63 888-898 2017/10
Observation of frazil ice and upward sediment transport in the Sea of Okhotsk - A possible mechanism of iron supply to sea ice -
Ito, M., K. I. Ohshima, Y. Fukamachi, G. Mizuta, Y. Kusumoto, and J. Nishioka
Journal of Geophysical Research 122 788-802 2017/02
Landfast sea ice breakouts: Stabilizing ice features, oceanic and atmospheric forcing at Barrow, Alaska
Jones, J., H. Eicken, A. Mahoney, Rohith MV, C. Kambhamettu, Y. Fukamachi, K. I. Ohshima, J. C. George
Continental Shelf Research 126 50-63 2016/09
The suppression of Antarctic Bottom Water formation by melting ice shelves in Prydz Bay
Williams, G. D., L. Herraiz-Borreguero, F. Roquet, T. Tamura, K. I. Ohshima, Y. Fukamachi, A. D. Fraser, L. Gao, H. Chen, C. R. McMahon, R. Harcourt and M. Hindell
Nature Communincations 7:12577 2016/08
Surface water mass composition changes captured by cores of Arctic land-fast sea ice
Smith, I. J., H. Eicken, A. R. Mahoney, R. Van Hale, A. J. Gough, Y. Fukamachi, and J. Jones
Continental Shelf Research 118 154-164 2016/04
Estimation of wind drift current in the Soya Strait
Zhang, W., N. Ebuchi, Y. Fukamachi, and Y. Yoshikawa
Journal of Oceanography 72(2) 299-311 2016/04
Interannual variability of sea-ice thickness in the pack-ice zone off Lutzow-Holm Bay, East Antarctica
Sugimoto, F., T. Tamura, H. Shimoda, S. Uto, D. Simizu, K. Tateyama, S. Hoshino, T. Ozeki, Y. Fukamachi, S. Ushio, and K. I. Ohshima
Polar Science 10 43-51 2016/03
Observations of frazil ice formation and sediment upward transport off the northeast coast of Sakhalin
Ito, M., K. I. Ohshima, J. Nishioka, Y. Kusumoto, and Y. Fukamachi
Proceedings of the 31th International Symposium on Okhotsk Sea & Sea Ice 124-127 2016/02
A wind-driven, hybrid latent and sensible heat coastal polynya off Barrow, Alaska
Hirano, D., Y. Fukamachi, E. Watanabe, K. I. Ohshima, K. Iwamoto, A. R. Mahoney, H. Eicken, D. Simizu, and T. Tamura
Journal of Geophysical Research 121 980-997 2016/01
Water properties, heat and volume fluxes of Pacific water in Barrow Canyon during summer 2010
Itoh, M., R. S. Pickart, T. Kikuchi, Y. Fukamachi, K. I. Ohshima, D. Simizu, K. R. Arrigo, S. Vagle, J. Heg, C. Ashjian, J. T. Mathis, S. Nishino, and C. Nobre
Deep-Sea Research I 102 43-54 2015/08
Taking a look at both sides of the ice: comparison of ice thickness and drift speed as observed from moored, airborne and shore-based instruments near Barrow, Alaska
Mahoney, A. R., H. Eicken, Y. Fukamachi, K. I. Ohshima, D. Simizu, C. Kambhamettu, R. MV, S. Hendricks, and J. Jones
Annals of Glaciology 56(69) 363-372 2015/04
Observations of supercooled water and frazil ice formation in an Arctic coastal polynya form moorings and satellite imagery
Ito, M., K. I. Ohshima, Y. Fukamachi, K. I. D. Simizu, K. Iwamoto, Y. Matsumura, A. R. Mahoney, and H. Eicken
Annals of Glaciology 59(69) 307-314 2015/03
The role of turbulent mixing in the modified Shelf Water overflows that produce Cape Darnley Bottom Water
Hirano, D., Y. Kitade, K. I. Ohshima, and Y. Fukamachi
Journal of Geophysical Research 120 910-922 2015/02
A Numerical investigation of formation and variability of Antarctic Bottom Water off Cape Darnley, East Antarctica
Nakayama, Y., K. I. Ohshima, Y. Matsumura, Y. Fukamachi, and H. Hasumi
Journal of Physical Oceanography 44 2921-2937 2014/11
What drives the southward drift of sea ice in the Sea of Okhotsk?
Simizu, D., K. I. Ohshima, J. Ono, Y. Fukamachi, and G. Mizuta
Progress in Oceanography 126 33-43 2014/08
Antarctic Bottom Water production from the Vincennes Bay Polynya, East Antarctica
Kitade, Y., K. Shimada, T. Tamura, G. D. Williams, S. Aoki, Y. Fukamachi, F. Roquet, M. Hindell, S. Ushio, and K. I. Ohshima
Geophysical Research Letters 41 3528-3534 2014/05
Antarctic Bottom Water production by intense sea-ice formation in the Cape Darnley polynya
Ohshima, K. I.*, Y. Fukamachi*, G. D. Williams*, S. Nihashi, F. Roquet, Y. Kitade, T. Tamura, D. Hirano, L. Herraiz-Borreguero, I. Field, M. Hindell, S. Aoki, and M. Wakatsuchi (*These authors contributed equally to this work.)
Nature Geoscience 6(3) 235-240 2013/03
A treatise on frequency spectrum of drift ice velocity
Lepparanta, M., A. Oikkonen, K. Shirasawa, and Y. Fukamachi
Cold Regions Science and Technology 76-77 83-91 2012
Coastal landfast sea ice and break-up in northern Alaska: Key processes and seasonal prediction
Petrich, C., H. Eicken, J. Zhang, J. Krieger, Y. Fukamachi, and K. I. Ohshima
Journal of Geophysical Research 117 doi:10.1029/2011JC007339 2012
Enhancement of sea-ice drift due to the dynamical interaction between sea ice and a coastal ocean
Nakayama, Y., K. I. Ohshima, and Y. Fukamachi
Journal of Physical Oceanography 42(1) 179-192 2012
A method for predicting the occurrence of paralytic shellfish poisoning along the coast of Hokkaido in the Okhotsk Sea in summer
Shimada, H., M. Sawada, I. Tanaka, H. Asami, and Y. Fukamachi
Fisheries Science 78(4) 865-877 2012
Characteristics of sea ice in the Okhotsk coastal polynyas revealed from satellites, ice-profiling sonar, and digital camera observations
Nihashi, S., N. Ebuchi, Y. Fukamachi, and S. Takahashi
Annals of Glaciology 52(57) 133-139 2011
Sea-ice drift characteristics revealed by measurement of acoustic Doppler current profiler and ice-profiling sonar off Hokkaido in the Sea of Okhotsk
Fukamachi, Y., K. I. Ohshima, Y. Mukai, G. Mizuta, and M. Wakatsuchi
Annals of Glaciology 52(57) 1-8 2011
Strong export of Antarctic Bottom Water east of the Kerguelen Plateau
Fukamachi, Y., S. R. Rintoul, J. A. Church, S. Aoki, S. Sokolov, M. A. Rosenberg, and M. Wakatsuchi
Nature Geoscience 3(5) 327-331 2010/05
Volume transport in the Soya Strait during 2006-2008
Fukamachi, Y., K. I. Ohshima, N. Ebuchi, T. Bando, K. Ono, and M. Sano
Journal of Oceanography 66(5) 685-696 2010
Southern Ocean Observing Systems (SOOS): Rationale and Strategy for Sustained Observations of the Southern Ocean
Rintoul, S. R, K. Speer, M. Sparrow, M. Meredith, E. Hoffmann, E. Fahrbach, C. Summerhayes, A. Worby, M. England, R. Bellerby, S. Speich, D. Costa, J. Hall, M. Hindell, G. Hosie, K. Stansfield, Y. Fukamachi, T. de Bruin, A. Naveira Garabato, K. Alberson, V. Ryabinin, H. C. Shin, and S. Gladyshev
WPP-306 2010
Thickness and production of sea ice in the Okhotsk Sea coastal polynyas from AMSR-E
Nihashi, S., K. I. Ohshima, T. Tamura, Y. Fukamachi, and S. Saitoh
Journal of Geophysical Research. Supplement 114(C10) C10025 2009
Direct observations of sea-ice thickness and brine rejection off Sakhalin in the Sea of Okhotsk
Fukamachi, Y., K. Shirasawa, A. M. Polomoshnov, K. I. Ohshima, E. Kalinin, S. Nihashi, H. Melling, G. Mizuta, and M. Wakatsuchi
Continental Shelf Research 29(11-12) 1541-1548 2009
Subinertial, seasonal and interannual variations in the Soya Warm Current revealed by HF ocean radars, coastal tide gauges, and bottom-mounted ADCP
Ebuchi, N., Y. Fukamachi, K. I. Ohshima, and M. Wakatsuchi
Journal of Oceanography 65(1) 31-43 2009
Deep western boundary current and southern frontal systems of the Antarctic Circumpolar Current southeast of the Kerguelen Plateau
Aoki, S., N. Fujii, S. Ushio, Y. Yoshikawa, S. Watanabe, G. Mizuta, Y. Fukamachi, and M. Wakatsuchi
Journal of Geophysical Research 113(C8) C08038 2008
Material flux under seasonal sea ice at an offshore site along the Okhotsk coast of Hokkaido, Japan
Hiwatari, T., K. Shirasawa, Y. Fukamachi, R. Nagata, T. Koizumi, H. Koshikawa, and K. Kohata
Polar Science 2(1) 41-54 2008
Volume transport of the Soya Warm Current revealed by bottom-mounted ADCP and ocean-radar measurement
Fukamachi, Y., I. Tanaka, K. I. Ohshima, N. Ebuchi, G. Mizuta, H. Yoshida, S. Takayanagi, and M. Wakatsuchi
Journal of Oceanography 64(3) 385-392 2008
Diurnal coastal-trapped waves on the eastern shelf of Sakhalin in the Sea of Okhotsk and their modification by sea ice
Ono, J., K. I. Ohshima, G. Mizuta, Y. Fukamachi, and M. Wakatsuchi
Continental Shelf Research 28(6) 697-709 2008
Sea-ice thickness in the southwestern Sea of Okhotsk revealed by a moored ice-profiling sonar
Fukamachi, Y, G. Mizuta, K. I. Ohshima, T. Toyota, N. Kimura, and M. Wakatsuchi
Journal of Geophysical Research 111 doi:10.1029/2005JC003327 2006
Amplification of diurnal tides over Kashevarov Bank in the Sea of Okhotsk and its impact on water mixing and sea ice
Ono, J., K. I. Ohshima, G. Mizuta, Y. Fukamachi, and M. Wakatsuchi
Deep-Sea Research Ⅰ 53(3) 409-424 2006
Observation of the Soya Warm Current using HF Ocean Radar
Ebuchi, N., Y. Fukamachi, K. I. Ohshima, K. Shirasawa, M. Ishikawa, T. Takatsuka, T. Daibo and M. Wakatsuchi
Journal of Oceanography 62(1) 47-61 2006
The variability of the East Sakhalin Current induced by winds over the continental shelf and slope
Mizuta, G., K. I. Ohshima, Y. Fukamachi, and M. Wakatsuchi
Journal of Marine Research 63(6) 1017-1039 2005
A generation mechanism for mesoscale eddies in the Kuril Basin of the Okhotsk Sea: baroclinic instability caused by the enhanced tidal mixing
Ohshima, K. I., Y. Fukamachi, T. Mutoh, and M. Wakatsuchi
Journal of Oceanography 61(2) 247-260 2005
Biogenic and lithogenic particle flux in the western region of the Sea of Okhotsk
Nakatsuka, T., T. Fujimune, C. Yoshikawa, S. Noriki, K. Kawamura, Y. Fukamachi, G. Mizuta, and M. Wakatsuchi
Journal of Geophysical Research 109 doi:10.1029/2003JC001908 2004
Transport and modification processes of dense shelf water revealed by long-term mooring data off the east coast of Sakhalin in the Sea of Okhotsk
Fukamachi, Y., G. Mizuta, K. I. Ohshima, L. D. Talley, S. C. Riser, and M. Wakatsuchi
Journal of Geophysical Research 109 doi:10.1029/2003JC001906 2004
Winter mixed layer and its yearly variability under sea ice in the southwestern part of the Sea of Okhotsk
Mizuta, G., K. I. Ohshima, Y. Fukamachi, M. Itoh, and M. Wakatsuchi
Continental Shelf Research 24(6) 643-657 2004
Sverdrup balance and the cyclonic gyre in the Sea of Okhotsk
Ohshima, K. I., D. Shimizu, M. Itoh, G. Mizuta, Y. Fukamachi, S. C. Riser, and M. Wakatsuchi
Journal of Physical Oceanography 34(2) 513-525 2004
Structure and seasonal variability of the East Sakhalin Current
Mizuta, G., Y. Fukamachi, K. I. Ohshima, and M. Wakatsuchi
Journal of Physical Oceanography 33(11) 2430-2445 2003
Variability of sea-ice draft off Hokkaido in the Sea of Okhotsk revealed by a moored ice-profiling sonar in winter of 1999
Fukamachi, Y., G. Mizuta, K. I. Ohshima, H. Melling, D. Fissel, and M. Wakatsuchi
Geophysical Research Letters 30(7) doi:10.1029/2002GL016197 2003
Near-surface circulation and tidal currents of the Okhotsk Sea observed with the satellite-tracked drifters
Ohshima, K. I., M. Wakatsuchi, Y. Fukamachi, and G. Mizuta
Journal of Geophysical Research 107 doi:10/1029/2001JC001005 2002
Deriving sea ice thickness and ice types in the Sea of Okhotsk using dual-frequency airborne SAR (Pi-SAR) data
Matsuoka, T., S. Uratsuka, M. Satake, A. Nadai, T. Umehara, H. Maeno, H. Wakabayashi, F. Nishio, and Y. Fukamachi
Annals of Glaciology 34 429-434 2002
Winter oceanographic conditions in the southwestern part of the Okhotsk Sea and their relation to sea ice
Ohshima, K. I., G. Mizuta, M. Itoh, Y. Fukamachi, T. Watanabe, Y. Nabae, K. Suehiro, and M. Wakatsuchi
Journal of Ocenography 57(4) 451-460 2001
Seasonal variability of bottom water properties off Adelie Land, Antarctica
Fukamachi, Y., M. Wakatsuchi, K. Taira, S. Kitagawa, S. Ushio, A. Takahashi, K. Oikawa, T. Furukawa, H. Yoritaka, M. Fukuchi, and T. Yamanouchi
Journal of Geophysical Research 105(C3) 6531-6540 2000
Mesoscale ice features in the summer marginal ice zone off East Queen Maud Land observed in NOAA AVHRR imagery
Fukamachi, Y., K. I. Ohshima, and T. Ishikawa
Antarctic Research Series 74 317-324 1998
Instability of density fronts in layer and continuously stratified models
Fukamachi, Y., J. P. McCreary, and J. A. Proehl
Journal of Geophysical Research 100(C2) 2559-2577 1995
A nonlinear mechanism for maintaining coastally trapped eastern boundary currents
McCreary, J. P., Y. Fukamachi, and L. Peng
Journal of Geophysical Research 97 5677-5692 1992
A numerical investigation of jets and eddies near an eastern ocean boundary
McCreary, J. P., Y. Fukamachi, and P. K. Kundu
Journal of Geophysical Research 96(C2) 2515-2534 1991

Conferences

George, Alaska coastal sea ice in the new millennium: Findings from the Seasonal Ice Zone Observing Network and implications for sustained autonomous observations of a rapidly changing Arctic
Eicken, Mahoney, Lee, Johnson, Jones, Ohshima, Fukamachi
2018 Ocean Sciences Meeting 2018/02
Transports of macronutrient and inorganic carbon to surface waters by subglacial meltwater plume in Bowdoin Fjord in northwest Greenland
N. Kanna, S. Sugiyama, Y. Ohashi, D. Sakakibara, B. Nishizawa, I. Asaji, Y. Fukamachi and D. Nomura
2018 Ocean Sciences Meeting 2018/02
High Ice Production in Antarctic Coastal Polynyas and Its Possible Linkage to Material Cycle and Biological Productivity (Invited)
Kay I. Ohshima, Masato Ito, Sohey Nihashi, Yasushi Fukamachi, Kazuki Nakata and Daisuke Simizu
2018 Ocean Sciences Meeting 2018/02
Seasonal variability of near-inertial internal waves in the Northwind Abyssal Plain, Arctic Ocean
Y. Kawaguchi, M. Itoh, Y. Fukamachi, E. Moriya, N. Onodera and T. Kikuchi
Fifth International Symposium on Arctic Research (ISAR-5) 2018/01
Sea-ice thickness from moored ice-profiling sonar in the Canada Basin, Arctic Ocean
Motoyo Itoh, Yasushi Fukamachi, Noriaki Kimura, Richard A. Krishfield, Takashi Kikuchi, Erika Moriya, Jonaotaro Onodera and Naomi Harada
Fifth International Symposium on Arctic Research (ISAR-5) 2018/01
Continuous Sea-ice Thickness Measurement in the Northeastern Coastal Chukchi Sea from 2009
Y. Fukamachi, K. I. Ohshima, A. R. Mahoney, H. Eicken, D. Simizu, K. Iwamoto, E. Moriya, T. Takatsuka and J. Jones
Fifth International Symposium on Arctic Research (ISAR-5) 2018/01
Sea-ice thickness from moored ice-profiling sonar in the Canada Basin, Arctic Ocean
Motoyo Itoh, Yasushi Fukamachi, Noriaki Kimura, Richard A. Krishfield, Takashi Kikuchi, Erika Moriya, Jonaotaro Onodera and Naomi Harada
Arctic Change 2017 2017/12
Mooring measurement in Bowdoin Fjord in northwestern Greenland
Yasushi Fukamachi, Naoya Kanna, Shin Sugiyama, Yoshihiko Ohashi, Daiki Sakakibara and Daiki Nomura
The 8th Symposium on Polar Science 2017/12
Sea Ice Velocity Observation by HF Ocean Radar
W. Zhang, N. Ebuchi, Y. Fukamachi, and B. Emery
International Radiowave Oceanography Workshop 2017/09
The Suppression Of Antarctic Bottom Water Formation By Melting Ice Shelves In Prydz Bay
Guy WILLIAMS, Laura HERRAIZ-BORREGUERO, Fabien ROQUET, Takeshi TAMURA, Kay OHSHIMA, Yasushi FUKAMACHI, Alexander FRASER, Libao GAO, Hongxia CHEN, Clive MCMAHON, Robert HARCOURT and Mark HINDELL
14th Annual Meeting of Asia Oceania Geosciences Society 2017/08
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Conferencesclose
George, Alaska coastal sea ice in the new millennium: Findings from the Seasonal Ice Zone Observing Network and implications for sustained autonomous observations of a rapidly changing Arctic
Eicken, Mahoney, Lee, Johnson, Jones, Ohshima, Fukamachi
2018 Ocean Sciences Meeting 2018/02
Transports of macronutrient and inorganic carbon to surface waters by subglacial meltwater plume in Bowdoin Fjord in northwest Greenland
N. Kanna, S. Sugiyama, Y. Ohashi, D. Sakakibara, B. Nishizawa, I. Asaji, Y. Fukamachi and D. Nomura
2018 Ocean Sciences Meeting 2018/02
High Ice Production in Antarctic Coastal Polynyas and Its Possible Linkage to Material Cycle and Biological Productivity (Invited)
Kay I. Ohshima, Masato Ito, Sohey Nihashi, Yasushi Fukamachi, Kazuki Nakata and Daisuke Simizu
2018 Ocean Sciences Meeting 2018/02
Seasonal variability of near-inertial internal waves in the Northwind Abyssal Plain, Arctic Ocean
Y. Kawaguchi, M. Itoh, Y. Fukamachi, E. Moriya, N. Onodera and T. Kikuchi
Fifth International Symposium on Arctic Research (ISAR-5) 2018/01
Sea-ice thickness from moored ice-profiling sonar in the Canada Basin, Arctic Ocean
Motoyo Itoh, Yasushi Fukamachi, Noriaki Kimura, Richard A. Krishfield, Takashi Kikuchi, Erika Moriya, Jonaotaro Onodera and Naomi Harada
Fifth International Symposium on Arctic Research (ISAR-5) 2018/01
Continuous Sea-ice Thickness Measurement in the Northeastern Coastal Chukchi Sea from 2009
Y. Fukamachi, K. I. Ohshima, A. R. Mahoney, H. Eicken, D. Simizu, K. Iwamoto, E. Moriya, T. Takatsuka and J. Jones
Fifth International Symposium on Arctic Research (ISAR-5) 2018/01
Sea-ice thickness from moored ice-profiling sonar in the Canada Basin, Arctic Ocean
Motoyo Itoh, Yasushi Fukamachi, Noriaki Kimura, Richard A. Krishfield, Takashi Kikuchi, Erika Moriya, Jonaotaro Onodera and Naomi Harada
Arctic Change 2017 2017/12
Mooring measurement in Bowdoin Fjord in northwestern Greenland
Yasushi Fukamachi, Naoya Kanna, Shin Sugiyama, Yoshihiko Ohashi, Daiki Sakakibara and Daiki Nomura
The 8th Symposium on Polar Science 2017/12
Sea Ice Velocity Observation by HF Ocean Radar
W. Zhang, N. Ebuchi, Y. Fukamachi, and B. Emery
International Radiowave Oceanography Workshop 2017/09
The Suppression Of Antarctic Bottom Water Formation By Melting Ice Shelves In Prydz Bay
Guy WILLIAMS, Laura HERRAIZ-BORREGUERO, Fabien ROQUET, Takeshi TAMURA, Kay OHSHIMA, Yasushi FUKAMACHI, Alexander FRASER, Libao GAO, Hongxia CHEN, Clive MCMAHON, Robert HARCOURT and Mark HINDELL
14th Annual Meeting of Asia Oceania Geosciences Society 2017/08
easonal variability of near-inertial internal waves and its kinetic energy in the ice-diminishing Arctic Ocean
6. Yusuke Kawaguchi, Motoyo Itoh, Takashi Kikuchi, Jonaotaro Onodera, Naomi Harada, Yasushi Fukamachi and Erika Moriya
JpGU-AGU Joint Meeting 2017 2017/05
Effect of subglacial meltwater plume formation on phytoplankton growth in the fjord of Bowdoin Glacier in northwest Greenland
Naoya Kanna, Shin Sugiyama, Yoshihiko Ohashi, Daiki Sakakibara, Bungo Nishizawa, Izumi Asaji and Yasushi Fukamachi
JpGU-AGU Joint Meeting 2017 2017/05
Abrupt changes and interactions of polar oceans and ice sheets as a research subject in Master Plan 2020
Shin Sugiyama, Yasushi Fukamachi, Kay I. Ohshima1, Shigeru Aoki, Teruo Aoki, Michiyo Yamamoto-Kawai, Takashi Kikuchi and Daisuke Hirano
JpGU-AGU Joint Meeting 2017 2017/05
Subglacial meltwater discharge and its impact on water properties in Bowdoin Fjord, northwestern Greenland
Yoshihiko Ohashi, Shigeru Aoki, Yoshimasa Matsumura, Shin Sugiyama, Naoya Kanna, Daiki Sakakibara and Yasushi Fukamachi
JpGU-AGU Joint Meeting 2017 2017/05
Variability of sea-ice thickness in the northeastern coastal Chukchi Sea revealed by a moored ice-profiling sonar
Fukamachi Yasushi, Simizu Daisuke, Ohshima Kay, Eicken Hajo, Mahoney Andrew, Iwamoto Katsushi, Moriya Erika and Nihashi Sohey
JpGU-AGU Joint Meeting 2017 2017/05
Sea ice field course at Saroma Lagoon and Okhotsk Sea by International Antarctic Institute
Aoki, S., Fukamachi, Y., Toyota, T., Hirawake, T., Mizuta, G., Matsumura, Y., Ohshima, K. I.
The 32nd International Symposium on the Okhotsk Sea & Polar Oceans 2017/02
Underwater frazil ice formation in the Sakhalin polynya
Ito, M., Ohshima, K. I., Fukamachi, Y., Shirasawa, K.
The 32nd International Symposium on the Okhotsk Sea & Polar Oceans 2017/02
Variability of sea-ice thickness in the northeastern coastal Chukchi Sea revealed by a moored ice-profiling sonar
Fukamachi, Y., Simizu, D., Ohshima, K. I., Eicken, H., Mahoney, A. R., Iwamoto, K., Moriya, E., Nihashi, S.
The 32nd International Symposium on the Okhotsk Sea & Polar Oceans 2017/02
Turbid meltwater discharge and its impact on phytoplankton growth in the fjord of Bowdoin Glacier in northwest Greenland
Kanna, N., Sugiyama, S., Ohashi, Y., Sakakibara, D., Nishizawa, B., Asaji, I., Fukamachi, Y.
Workshop on the Dynamics and Mass Budget of Arctic Glaciers & the IASC Network on Arctic Glaciology Annual Meeting 2017/01
Variability of sea-ice thickness in the northeastern coastal Chukchi Sea revealed by a moored ice-profiling sonar
Fukamachi, Y.
Workshop on Sea Ice Remote Sensing and Modeling 2017/01
Landfast Sea Ice Breakouts: Stabilizing Ice Features, Oceanic and Atmospheric Forcing at Barrow, Alaska
Jones, J., Eicken, H., Manoney, A. R., Kambhamettu, R. MV, C., Fukamachi, Y., Ohshima, K. I., George, C.
2016 AGU Fall Meeting 2016/12
The observation of underwater frazil ice formation and upward sediment transport in an Arctic polynya in the Chukchi Sea
Ito, M., Ohshima, K. I., Fukamachi, Y., Simizu D., Mahoney, A. R., Eicken, H.
2016 AGU Fall Meeting 2016/12
Modeling glacial meltwater runoff process in Bowdoin Fjord, northwestern Greenland
Ohashi Yoshihiko, Aoki Shigeru, Matsumura Yoshimasa, Sugiyama Shin, Kanna Naoya, Sakakibara Daiki, Fukamachi Yasushi
The Seventh Symposium on Polar Science 2016/12
Changes in seabird density relative to oceanographic gradients in the glacial fjord in northwestern Greenland
Nishizawa Bungo, Kanna Naoya, Ohashi Yoshihiko, Sakakibara Daiki, Asaji Izumi, Sugiyama Shin, Fukamachi Yasushi, Watanuki Yutaka
The Seventh Symposium on Polar Science 2016/12
Turbid water and chlorophyll a distributions near the interface of the ocean and a tidewater glacier in northwest Greenland
Kanna Naoya, Sugiyama Shin, Ohashi Yoshihiko, Sakakibara Daiki, Nishizawa Bungo, Asaji Izumi, Fukamachi Yasushi
The Seventh Symposium on Polar Science 2016/12
Interannual variabilties of fluxes in Barrow Canyon from 2010-2014 : results from the DBO-5 repeat section
Itoh Motoyo, Kikuchi Takashi, Fukamachi Yasushi, Pickart Robert and collaborators
2016 PAG Fall Meeting 2016/10
Formation and Variability of Antarctic Bottom Water off Cape Darnley: the Fourth Antarctic Bottom Water
Ohshima, K. I., Nakayama, Y., Fukamachi, Y., Matsumura, Y., Nihashi, S., Tamura, T., Kitade, Y., Hirano, D., Shimizu, D., and Aoki S.
2016 AGU Ocean Sciences Meeting 2016/02
Observations of frazil ice formation and sediment upward transport off the northeast coast of Sakhalin
Ito M, Ohshima, K. I., Nishioka, J., Kusumoto, Y., Mizuta, G., Fukamachi, Y.
The 31th International Symposium on Okhotsk Sea & Sea Ice 2016/02
Validation of AMSR-E thin ice algorithm based on moored ice profiling sonar measurement
Fukamachi, Y., Ohshima, K. I., Iwamoto, K., Tamura, T., Nihashi, S.
Workshop on satellite data for Arctic research and applications, Side event during Arctic Frontiers 2016 2016/01
Sea ice formation on continental shelves: a comparison of water mass signals near an Antarctic ice shelf and off the Alaskan coast
Inga J. Smith, Alex J. Gough, Patricia J. Langhorne, Hajo Eicken, Andrew R. Mahoney, Gregory H. Leonard, Robert Van Hale, Yasushi Fukamachi, Stefan Jendersie, Joshua Jones, Timothy G. Haskell
IGS International Symposium on Contemporary Ice-Sheet Dynamics 2015/08
Numerical Investigation of Formation and Variability of Antarctic Bottom Water off Cape Darnley
Nakayama, Y., Ohshima, K. I., Matsumura, Y., Fukamachi, Y., Hiroyasu, H.
26th IUGG General Assembly 2015 2015/07
The fourth Antarctic Bottom Water: Cape Darnley Bottom Water
Ohshima, K. I., Fukamachi, Williams, G. D., Nihashi, S., Tamura, T., Kitade, Y., Hirano, D., Aoki, S., and Wakatsuchi, M.
26th IUGG General Assembly 2015 2015/07
A wind-driven, hybrid latent and sensible heat coastal polynya at Barrow, Alaska
Hirano, D., Y. Fukamachi, E. Watanabe, K. Iwamoto, A. R. Mahoney, H. Eicken, D. Simizu, K. I. Ohshima, and T. Tamura
26th IUGG General Assembly 2015 2015/06
Sediment upward dispersion and frail ice formation by strong wnd events -A possible mechanism of iron supply to sea ice
Ito, M., K. I. Ohshima, J. Nishioka, Y. Kusumoto, G. Mizuta, Y. Fukamachi
ESSAS Annual Science Meeting 2015/06
Characteristics of sea-ice draft revealed by a moored ice-profiling sonar in the Chukchi Sea off Barrow, Alaska
Fukamachi. Y., Simizu, D., Ohshima, K. I., Iwamoto, K., Eicken, H., Mahoney, A. R.
Fourth International Symposium on the Arctic Research (ISAR-4) 2015/04
A wind-driven, hybrid latent and sensible heat coastal polynya at Barrow, Alaska
Hirano, D., Y. Fukamachi, E. Watanabe, K. Iwamoto, A. R. Mahoney, H. Eicken, D. Simizu, K. I. Ohshima, and T. Tamura
Forth International Symposium on the Arctic Research (ISAR-4) 2015/04
SIZONet: Multi-purpose, multi-platform observations to inform responses to an Arctic sea ice cover in transformation
Eicken, H., Mahoney, A. R., Dammann, D. O., Jones, J., Hendricks, S., Fukamachi, Y., Ohshima, K. I., Haas, C., Gerland, S., Makshtas, A.
Fourth International Symposium on the Arctic Research (ISAR-4) 2015/04
Sediment upward dispersion and frazil ice formation by strong windy events in the Sea of Okhotsk observed with ADCP. -A possible mechanism of iron supply to sea ice-
Ito, M., Ohshima, K. I., Nishioka, J., Kusumoto, Y., Mizuta, G. and Fukamachi, Y.
The 30th International Symposium on Okhotsk Sea & Sea Ice 2015/02
A wind-driven, hybrid latent and sensible heat coastal polynya at Barrow, Alaska
Hirano, D., Y. Fukamachi, E. Watanabe, K. Iwamoto, A. Mahoney, H. Eicken, D. Shimizu, K. I. Ohshima, and T. Tamura
AGU Fall Meeting 2014 2014/11
Antarctic Bottom Water production from intense sea-ice formation in the Cape Darnley Polynya
Ohshima, K. I., Y. Fukamachi, G. D. Williams, S. Nihashi, T. Tamura, Y. Kitade, D. Hirano, S. Aoki, and M. Wakatsuchi
11th Annual Meeting, Asia Oceania Geosciences Society 2014/08
Antarctic and Arctic land-fast sea ice: deriving parent water mass properties changes from sea ice cores
I. J. Smith, A. J. Gough, P. J. Langhorne, H. Eicken, A. R. Mahoney, G. H. Leonard, R. J. Van Hale, Y. Fukamachi, S. Jendersie, J. M. Jones, and T. G. Haskell
IGS International Symposium on Sea Ice in a Changing Environment 2014/03
Characteristics of sea-ice draft revealed by a moored ice-profiling sonar in the Chukchi Sea off Barrow, Alaska
Y. Fukamachi, D. Simizu, K. I. Ohshima, K. Iwamoto, H. Eicken, and A. R. Mahoney
IGS International Symposium on Sea Ice in a Changing Environment 2014/03
Taking a look at both sides of the ice: comparing ice thickness and drift speed as observed from above and below sea ice near Barrow, Alaska
A. R. Mahoney, H. Eicken, Y. Fukamachi, K. I. Ohshima, D. Simizu, C. Kambhamettu, R. MV, S. Hendricks, and J. Jones
IGS International Symposium on Sea Ice in a Changing Environment 2014/03
A study of formation processes of supercooled water and frazil ice in a coastal polynya
Ito M, K. I. Ohshima, Y. Fukamachi, D. Simizu, K. Iwamoto, Y. Matsumura, A. R. Mahoney, and H. Eicken
IGS International Symposium on Sea Ice in a Changing Environment 2014/03
Distribution and interannual variability of sea-ice thickness in the pack-ice zone off Lützow-Holm Bay, Antarctica
F. Sugimoto, H. Shimoda, D. Simizu, S. Uto, K. Tateyama, S. Hoshino, T. Ozeki, T. Tamura, Y. Fukamachi, S. Ushio and K. I. Ohshima
IGS International Symposium on Sea Ice in a Changing Environment, 2014/03
A study of formation processes of supercooled water and frazil ice in a coastal polynya
Ito M, K. I. Ohshima, Y. Fukamachi, D. Simizu, K. Iwamoto, Y. Matsumura, A. R. Mahoney, and H. Eicken
The 29th International Symposium on Okhotsk Sea & Sea Ice 2014/02

Research Projects (Competitive Research Funds)

北極海の海氷変動の鍵を握るアラスカ北部沿岸域での海氷・海洋変動の実態解明
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 2015-2018 Author : FUKAMACHI Yasushi
海氷生成とリンクする南極底層水・深層循環の再描像
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(A))
Date (from‐to) : 2013-2016 Author : Kiichiro OHSHIMA
南極海オーバーターニングにおける淡水量変化の量的把握と原因究明
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 2013-2016 Author : Shigeru AOKI
Is the region off Cape Darnley a main source of Antarctic Bottom Water?
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 2011-2013 Author : Yasushi FUKAMACHI
Development of a measurement method of sea-ice thickness by acoustic Doppler current profiler
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(挑戦的萌芽研究)
Date (from‐to) : 2011-2013 Author : Yasushi FUKAMACHI
Estimations of freshening of Antarctic Bottom Water by international observation network and effect of glacial melt water
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 2009-2012 Author : Shigeru AOKI
Global mapping and monitoring of sea ice production
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(S))
Date (from‐to) : 2008-2012 Author : Kiichiro OHSHIMA
Direct evaluation of sea-ice production and associated volume transport of Antarctic Bottom Water in a coastal region off the Antarctica
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(C))
Date (from‐to) : 2008-2010 Author : Yasushi FUKAMACHI
Quantitative evaluations of ocean circulation and meridional themohaline transport in the Indian sector of Antarctic
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 2005-2007 Author : Masaaki WAKATSUCHI
Development of prediction system for drifting/diffusion of sea water, sea ice, and spilled oil in the Sea of Okhotsk
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 2005-2007 Author : Keiichiro OHSHIMA
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Research Projects (Competitive Research Funds)close
北極海の海氷変動の鍵を握るアラスカ北部沿岸域での海氷・海洋変動の実態解明
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 2015-2018 Author : FUKAMACHI Yasushi
海氷生成とリンクする南極底層水・深層循環の再描像
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(A))
Date (from‐to) : 2013-2016 Author : Kiichiro OHSHIMA
南極海オーバーターニングにおける淡水量変化の量的把握と原因究明
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 2013-2016 Author : Shigeru AOKI
Is the region off Cape Darnley a main source of Antarctic Bottom Water?
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 2011-2013 Author : Yasushi FUKAMACHI
Development of a measurement method of sea-ice thickness by acoustic Doppler current profiler
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(挑戦的萌芽研究)
Date (from‐to) : 2011-2013 Author : Yasushi FUKAMACHI
Estimations of freshening of Antarctic Bottom Water by international observation network and effect of glacial melt water
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 2009-2012 Author : Shigeru AOKI
Global mapping and monitoring of sea ice production
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(S))
Date (from‐to) : 2008-2012 Author : Kiichiro OHSHIMA
Direct evaluation of sea-ice production and associated volume transport of Antarctic Bottom Water in a coastal region off the Antarctica
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(C))
Date (from‐to) : 2008-2010 Author : Yasushi FUKAMACHI
Quantitative evaluations of ocean circulation and meridional themohaline transport in the Indian sector of Antarctic
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 2005-2007 Author : Masaaki WAKATSUCHI
Development of prediction system for drifting/diffusion of sea water, sea ice, and spilled oil in the Sea of Okhotsk
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 2005-2007 Author : Keiichiro OHSHIMA
Direct evaluation of sea-ice production in the Sea of Okhotsk based on in sites ice-thickness observations
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(C))
Date (from‐to) : 2005-2007 Author : Yasushi FUKAMACHI
Analysis of Environmental Variability and Sea-Ice Climate and Dynamics Process in the Sea of Okhotsk
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 2003-2005 Author : Kunio SHIRASAWA
Sea ice / ocean coupled system in the melting season for seasonal ice zones
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(C))
Date (from‐to) : 1997-1999 Author : Keiichirou OHSHIMA
Analysis of water mixing history in high latitude oceans using chemical tracers of the third generation
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(基盤研究(B))
Date (from‐to) : 1997-1998 Author : Takeshi NAKATSUKA
A study on mechanisms for the formation of polynyas in the Antarctic
Ministry of Education, Culture, Sports, Science and Technology : Grants-in-Aid for Scientific Research(一般研究(B), 基盤研究(B))
Date (from‐to) : 1995-1997 Author : Masaaki WAKATSUCHI

Educational Activities

Classes

Freshman Seminar
Year : 2015
Special Course on Antarctic Science Ⅱ
Year : 2015
Advanced Course in Atmospheric and Oceanographic Data Analysis
Year : 2015
Display all the latest year
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Freshman Seminar
Year : 2015
Special Course on Antarctic Science Ⅱ
Year : 2015
Advanced Course in Atmospheric and Oceanographic Data Analysis
Year : 2015
Display all the previous year
Classesclose
Special Course on Antarctic Science Ⅱ
Year : 2014
Advanced Course in Atmospheric and Oceanographic Data Analysis
Year : 2014
Environment and People
Year : 2014
Display all the previous two years
Classesclose
Special Course on Antarctic Science Ⅱ
Year : 2013
Advanced Course in Atmospheric and Oceanographic Data Analysis
Year : 2013
Advanced Course in Polar Oceanography
Year : 2013
Environment and People
Year : 2013

Contribution to Society

Committee Career

2007
-
Today
Polar Science (Elsevier) Associate Editor
2006
-
Today
CLIVAR/CliC/SCAR Southern Ocean Region Implementation Panel Panel member
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2007
-
Today
Polar Science (Elsevier) Associate Editor
2006
-
Today
CLIVAR/CliC/SCAR Southern Ocean Region Implementation Panel Panel member

Other

Others

Details : The 54th Japan Antarctic Research Expedition
November 25, 2011-March 20, 2013
Details : The 52nd Japan Antarctic Research Expedition
November 2010-March 2011
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Details : The 54th Japan Antarctic Research Expedition
November 25, 2011-March 20, 2013
Details : The 52nd Japan Antarctic Research Expedition
November 2010-March 2011

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