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OCEAN STRUCTURE AND OCEAN HEAT FLUX UNDER FAST ICE IN LUTZOW-HOLM BAY,ANTARCTICA

Research Project

Project/Area Number 04640406
Research Category

Grant-in-Aid for General Scientific Research (C)

Allocation TypeSingle-year Grants
Research Field 気象・海洋・陸水学
Research InstitutionHOKKAIDO UNIVERSITY,INSTITUTE OF LOW TEMPERATURE SCIENCE

Principal Investigator

KAWAMURA Toshiyuki  HOKKAIDO UNIV., INST.LOW TEMPERATURE SCIENCE,RESEARCH ASSOCIATE, 低温科学研究所, 助手 (50091434)

Co-Investigator(Kenkyū-buntansha) ENOMOTO H.  KITAMI INST.TECHNOLOGY,DEPART.ENGNEERING,ASSOCIATE PROFESSOR, 工学部, 助教授 (00213562)
OHSHIMA K.i.  HOKKAIDO UNIV., INST.LOW TEMPERATURE SCIENCE,ASSOCIATE PROFESSOR, 低温科学研究所, 助教授 (30185251)
WAKATSUCHI M.  HOKKAIDO UNIV., INST.LOW TEMPERATURE SCIENCE,PROFESSOR, 低温科学研究所, 教授 (60002101)
Project Period (FY) 1992 – 1994
Project Status Completed (Fiscal Year 1994)
Budget Amount *help
¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 1994: ¥300,000 (Direct Cost: ¥300,000)
Fiscal Year 1993: ¥600,000 (Direct Cost: ¥600,000)
Fiscal Year 1992: ¥800,000 (Direct Cost: ¥800,000)
KeywordsPOLAR OCEANOGRAPHY / AIR-SEA INTERACTION / OCEAN STRUCTURE / OCEAN HEAT FLUX / SEA ICE / SUPERIMPOSED ICE / MICROWAVE RADIOMETER / SURFACE MELTING / 極地海洋 / 海洋構造
Research Abstract

Accurate valuations of atmosphere-ocean interactions in the polar regions are essential for a right understanding of the climate variation. Although the collection of the observed data are strongly requested in wider area and longer period, field observations in the polar regions are restricted both spatially and seasonally. The Antarctic Climate Research Program was planned to evaluate the air-sea interactions by the Japanese Antarctic Research Expedition. Intensive studies were conducted between 1990 and 1992 in Lutzow-Holm Bay where the Syowa Station is located. The following results are obtained on ocean and sea-ice studies in the bay :
(1) In the Antarctic coastal ocean, the thickness of the Winter Water becomes maximum in fall and minimum in summer.
(2) It is proposed that the above seasonal variation is caused by the variation of Ekman convergence.
(3) Flows under land-fast ice strongly depend on the location of the fast ice margin.
(4) Snow depth and sea-ice thickness in the bay increases with distance from the continent.
(5) Fast ice is controlled by extraordinary growth process : The sea ice shows little increase even in winter. However, in summer, an extreme upward growth was observed, to which snow cover contributes.
(6) Microwave rediometer is useful to detect melting at the surface of snow/ice.
(7) Microwave data reveal that sea ice distribution off the bay converges in summer.
(8) Satellite images show that the polynya "Ohtone Suiro" is located on the extension of areas with low ice concentration from Cosmonant Polynya.

Report

(4 results)
  • 1994 Annual Research Report   Final Research Report Summary
  • 1993 Annual Research Report
  • 1992 Annual Research Report
  • Research Products

    (54 results)

All Other

All Publications (54 results)

  • [Publications] K.I.Ohshima et al.: "Air-ice-sea interaction studies on the Antarctic Climate Research." Progress Report of WCRP in Japan. 204-207 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "A note on water exchange under fast ice in Lutzow-Holm Bay,Antarctica." Proc.NIPR Symp.Polar Meteorol.Glaciol.4. 74-80 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] H.Enomoto et al.: "Interannual fluctuations of sea ice extent in the Antarctic and associated atmospheric conditions." Proc.NIPR Symp.Polar Meteorol.Glaciol.6. 132-142 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] T.Takizawa et al.: "Preliminary results of hydrography under fast ice in Lutzow-Holm bay,Antarctica in 1990." Proc.NIPR Symp.Polar Meteorol.Glaciol.6. 106-125 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] T.Kawamura et al.: "Sea-ice growth in Ongul Strait,Antactica." Ann.Glaciol.18. 97-101 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "Seasonal variations of the flow and oceanic structure under fast ice in Lutzow-Holm Bay,Antarctica" Proc.the Fourth International Conference on Southern Hemisphere Meteorology and Oceanography.4. 467-468 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "Seasonal variations in ocean structure and current in Ongul Strait,Antarctica." Proc.NIPR Symp.Polar Meteorol.Glaciol.7. 51-59 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "Seasonal variations of the flow and oceanic structure under fast ice in Lutzow-Holm Bay,Antarctica" Proc.Int.Symp.ISY Polar Ice Extent.87-90 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] T.Takizawa et al.: "Thermal structure on the Cosmonaut Polynya region in the Antarctic." Proc.Int.Symp.ISY Polar Ice Extent.82-86 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "Antarctic sea ice variation and surface atmospheric field deduced from SSM/I and ECMWF deta sets." Proc.Int.Symp.ISY Polar Ice Extent.91-104 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "Oceanic deta in Lutzow-Holm Bay of the Antarctic Climate Research Program from January 1991 to February 1992(JARE-32)." JARE Date Reports.198. 35 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "Step-like structure in temperature and salinity'profiles,observed near icebergs trapped by fast ice,Antarctica." Journal of Oceanography.50. 365-372 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] M.Wakatsuchi et al.: "Observation of a street of cyclonic eddies in the Indian Ocean sector of the Antarctic Divergence." Journal of Geophysical Research.99. 20417-20426 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] T.Takizawa et al.: "Temperature structure and characteristics appearing on SSM/I images in the Cosmonaut Sea." Ann.Glaciol.20(in press). (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] S.Ushio et al.: "Ocean-atmosphere interaction through sea ice processes in the Antarctic." Antarctic Climate Research from Final Report of WCRP in Japan.(in press). (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] T.Kawamura et al.: "Data of sea-ice cores obtained in Lutzow-Holm Bay from 1990 to 1992(JARE-31,-32)in the period of Japanese Antarctic Climate Research." JARE Data Reports.(in press). (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] 河村俊行: "南極域の海氷" 海洋月刊. 25-9. 588-596 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] 大島慶一郎: "南極海洋場における季節サイクル -最近の現場海洋観測の成果より-" 月刊海洋. 25-9. 574-581 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] 榎本浩之: "南極圏の海氷 -大気相互作用" 月刊海洋. 25-9. 537-544 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] 榎本浩之他: "大気・雪氷相互作用" 日本気象学会、気象研究ノート. 177. 77-129 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] 牛尾収輝他: "昭和基地沖に形成される沿岸ポリニアの水温構造" 南極資料. 37-3. 252-259 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "Air-ice-sea interaction studies on the Antarctic Climate Research." Progress Report of WCRP in Japan.204-207 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "A note on water exchange under fast ice in Lutzow-Holm Bay, Antarctica." Proc.NIPR Symp.Polar Meteorol.Glaciol.4. 74-80 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] H.Enomoto et al.: "Interannual fluctuations of sea ice extent in the Antarctic and associated atmospheric conditions." Proc.NIPR Symp.Polar Meteorol.Glaciol.6. 132-142 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] T.Takizawa et al.: "Preliminary results of hydrography under fast ice in Lutzow-Holm bay, antarctica in 1990." Proc.NIPR Symp.Polar Meteorol.Glaciol.6. 106-125 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] T.Kawamura et al.: "Sea-ice growth in Ongul Strait, Antactica." Ann.Glaciol.18. 97-101 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "Seasonal variations of the flow and oceanic structure under fast ice in Lutzow-Holm Bay, Antarctica" Proc.the Fourth International Conference on Southern Hemisphere Meteorol, and Oceanography. 4. 467-468 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "Seasonal variations in ocean structure and current in Ongul Strait, Antarctica." Proc.NIPR Symp.Polar Meteorol.Glaciol.7. 51-59 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "Seasonal variations of the flow and oceanic structure under fast ice in Lutzow-Holm Bay, Antarctica" Proc.Int.Symp.ISY Polar Ice Extent.87-90 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] T.Takizawa et al.: "Thermal structure on the Cosmonaut Polynya region in the Antarctic." Proc.Int.Symp.ISY Polar Ice Extent.82-86 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] T.Oshiyama et al.: "Antarctic sea ice variation and surface atmospheric field deduced from SSM/I and ECMWF data sets." Proc.Int.Symp.ISY Polar Ice Extent.91-104 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "Oceanic data in Lutzow-Holm Bay of the Antarctic Climate Research Program from January 1991 to February 1992 (JARE-32) ." JARE Data Reports.198. 35 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "Step-like structure in temperature and salinity profiles, observed near icebergs trapped by fast ice, Antarctica." Journal of Oceanography.50. 365-372 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] M.Wakatsuchi et al.: "Observation of a street of cyclonic eddies in the Indian Ocean sector of the Antarctic Divergence." Journal of Geophysical Research.99,20,417-20,426. (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] T.Takizawa et al.: "Temperature structure and characteristics appearing on SSM/I images in the Cosmonaut Sea." Ann.Glaciol.20 (in press). (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] S.Ushio et al.: "Ocean-atmosphere interaction through sea ice processes in the Antarctic." Antarctic Climate Research from Final Report of WCRP in Japan.(in press). (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] T.Kawamura et al.: "Data of sea-ice cores obtained in Lutzow-Holm Bay from 1990 to 1992 (JARE-31, -32) in the period of Japanese Antarctic Climate Research." JARE Data Reports.(in press). (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1994 Final Research Report Summary
  • [Publications] K.I.Ohshima et al.: "Seasonal variations of the flow and oceanic structure under fast ice in Lutzow-Holm Bay,Antarctica" Proc.Int.Symp.ISY Polar Ice Extent.87-90 (1993)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Takizawa et al.: "Thermal structure on the Cosmonaut Polynya region in the Antarctic." Proc.Int.Symp.ISY Polar Ice Extent.82-86 (1993)

    • Related Report
      1994 Annual Research Report
  • [Publications] K.I.Ohshima et al.: "Antarctic sea ice variation and surface atmospheric field deduced from SSM/I and ECMWF data sets." Proc.Int.Symp.ISY Polar Ice Extent.91-104 (1993)

    • Related Report
      1994 Annual Research Report
  • [Publications] K.I.Ohshima et al.: "Oceanic data in Lutzow-Holm Bay of the Antarctic Climate Research Program from January 1991 to February 1992(JARE-32)." JARE Data Reports.198. 1-35 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] M.Wakatsuchi et al.: "Observation of a street of cyclonic eddies in the Indian Ocean sector of the Antarctic Divergence." Journal of Geophysical Research.99. 20417-20426 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Takizawa et al.: "Temperature structure and characteristics appearing on SSM/I images in the Cosmonaut Sea." Ann.Glaciol.20(in press). (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] S.Ushio et al.: "Ocean-atmosphere interaction through sea ice processes in the Antarctic." Antarctic Climate Research from Final Report of WCRP. (in press). (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Kawamura et al.: "Data of sea-ice cores obtained in Lutzow-Holm Bay from 1990 to 1992 (JARE-31,32)in the period of Japanese Antarctic Climate Research." JARE Data Reports.204. 1-42 (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.KAWAMURA et al.: "Sea-ice growth in Ongul Strait,Antarctica" Ann.Glaciol.18(in press). (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] 河村俊行: "南極域の海氷" 月刊海洋. 25. 588-596 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] K.I.OHSHIMA et al.: "Seasonal variations in ocean structure and current in Ongul Strait,Antarctica" Proc.NIPR Symposium on Polar Meteorol.Glaciol.7. 51-59 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] K.I.OHSHIMA et al.: "Seasonal variations of the flow and oceanic structure-under fast ice in Litzow-Holm Bay" Proc.4th Intil Corf.on Southern Hemisphere Meteorol.Oceano.4. 467-468 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] K.I.OHSHIMA et al.: "Step-like structure in tempenature and salinities profiles" J.Oceanography. (in press). (1994)

    • Related Report
      1993 Annual Research Report
  • [Publications] 牛尾収輝 他: "昭和基地沖に形成される沿岸ポソニアの水温構造" 南極資料. 37. 252-259 (1993)

    • Related Report
      1993 Annual Research Report
  • [Publications] T.Takizawa: "Preliminary results of hydrography under fast ice in Lutzow-Holm Bay,Antarctica in 1990" Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology. 6. 106-125 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] H.Enomoto: "InTerannal fluctuations of sea ice extent in the Antaretic and associated atmospheric conditions" Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology. 6. 132-142 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] T.Kawamura: "Sea-ice growth in Orgul Strait,Antarctica" Annals of Glaciology. 18. (1993)

    • Related Report
      1992 Annual Research Report

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Published: 1992-04-01   Modified: 2016-04-21  

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