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2003 Fiscal Year Final Research Report Summary

Studies on monitoring of marginal sea using satellite and monitoring of the Kuroshio variation

Research Project

Project/Area Number 11205208
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Review Section Science and Engineering
Research InstitutionTohoku University

Principal Investigator

KAWAMURA Hiroshi  Tohoku University, Graduate School of Science, Professor, 大学院・理学研究科, 教授 (40169769)

Co-Investigator(Kenkyū-buntansha) KIZU Shoichi  Tohoku University, Graduate School of Science, Associate Professor, 大学院・理学研究科, 助教授 (40241517)
SUGA Toshio  Tohoku University, Graduate School of Science, Associate Professor, 大学院・理学研究科, 助教授 (70211977)
HANAWA Kimio  Tohoku University, Graduate School of Science, Professor, 大学院・理学研究科, 教授 (40142921)
IWASAKA Naoto  Tokyo University of Mercantile Marine, Associate Professor, 商船学部, 助教授 (60211760)
EBUCHI Naoto  Hokkaido University, Institute of Low Temperature, Professor, 低温科学研究所, 教授 (10203655)
Project Period (FY) 1999 – 2002
KeywordsJapan Sea / sea surface temperature / the Kuroshio / XBT / ADCP / altimeter / mesoscale eddy / heat transport
Research Abstract

Studies made in 2002 are as follows. (1)We investigated the spatio-temporal correlation analyses for the sea surface temperature (SST) data free from clouds, and we also developed the advanced method generating new generation SST
(2)We prepared the daily and cloud-free SST dataset for September and October 2000, which was used in the numerical model for prediction. This dataset was archived in the CD-ROM recording the present study results.
(3)Under the cooperative study with Japan Marine Science and Technology Center, we made ADCP monitoring through a year by a ferry regularly shuttling between Tokyo and Ogasawara Islands.
(4)Using the training vessel, "Miyagi-Maru" belonging to Miyagi Prefectural Education Committee, we made high density XBT monitoring three times a year between Hawaii and Japan. Using these data together with the PX-37 data, we estimated heat and freshwater transports crossing these lines.
(5)We investigated an interaction between mesoscale eddies and the Kuroshio path variation using TOPEX POSEIDEON altimeter data. It was found that the collision of eddy to the Kuroshio caused the small meander of the Kuroshio.
(6)Detailed analyses of the XBT data showed that several Japanese XBT converters were suffered from so-called "Bowing phenomenon". It was also found that the XBT data from the sea surface to 4m were suffered from the transient response of the XBT measurement system.

  • Research Products

    (12 results)

All Other

All Publications (12 results)

  • [Publications] Aoki, Y., T.Suga, K.Hanawa: "Subsurface subtropical fronts of the North Pacific as inherent boundaries in the ventilated thermocline"Journal of Physical Oceanography. 32・8. 2299-2311 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Bingham, F.M., T.Suga, K.Hanawa: "Origin of waters observed along 137°E"Journal of Geophysical Research. 107・C7. 10.1029/2000JC000722 (2002)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Ebuchi, N., K.Hanawa: "Influence of mesoscale eddies on variations of the Kuroshio path south of Japan"Journal of Oceanography. 59・1. 25-36 (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Guan, L., H.Kawamura: "SST availabilities of satellite infrared and microwave measurements"Journal of Oceanography. 59・2. 201-209 (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Guan, L., H.Kawamura, H.Miirakami: "Retrieval of sea surface temperature from TRMM VIRS"Journal of Oceanography. 59・2. 245-249 (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hasegawa, T., K.Hanawa: "Heat content variability related to ENSO events in the Pacific"Journal of Physical Oceanography. 33・2. 407-421 (2003)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Aoki, Y., T.Suga, K.Hanawa: "Subsurface subtropical fronts of the North Pacific as inherent boundaries in the ventilated thermocline"Journal of Physical Oceanography. 32(8). 2299-2311 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Bingham, F.M., T.Suga, K.Hanawa: "Origin of waters observed along 137°E"Journal of Geophysical Research. 107(C7). 10.1029/2000JC000722 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Ebuchi, N., K.Hanawa: "Influence of mesoscale eddies on variations of the Kuroshio path south of Japan"Journal of Oceanography. 59(1). 25-36 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Guan, L., H.Kawamura: "SST availabilities of satellite infrared and microwave measurements"Journal of Oceanography. 59(2). 201-209 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Guan, L., H.Kawamura, H.Murakami: "Retrieval of sea surface temperature from TRMM VIRS"Journal of Oceanography. 59(2). 245-249 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Hasegawa, T., K.Hanawa: "Heat content variability related to ENSO events in the Pacific"Journal of Physical Oceanography. 33(2). 407-421 (2003)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 2005-04-19  

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