Clarification of Antarctic Bottom Water circulation in the Indian sector of Antarctic, particularly direct observation of its meridionall volume transport
澄清南极印度段的南极底水循环,特别是对其经向体积输送的直接观测
基本信息
- 批准号:14403006
- 负责人:
- 金额:$ 8.45万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2002
- 资助国家:日本
- 起止时间:2002 至 2004
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The Southern Ocean plays an important role on global climate through the directl heat and mass connections with Pacific Ocean, Atlantic Ocean and Indian Ocean. Especially, it is well known that the Antarctic Ocean is the largest seasonal sea ice zone in the world and produces the Antarctic Bottom Water (AABW) which is one of sources for general deep ocean circulation. In spite of its importance in earth sciences, there is very few direct observation for the meridional volume transport of AABW and its seasonal variations. It is widely believed that the AABW is produced in three coastal regions in the Weddell Sea, Ross Sea and off the Adelie coast. Recently, observational plans on the AABW formation are preceeded to have in the Weddell and Ross Seas by US and Europian oceanographers.The purpose of this study is to quantitatively evaluate the meridional volume transport of AABW (hereafter called to the Adelie AABW) which should be produced in the coastal polynyas off the Adelie coast by direct observations through a joint program with CSIRO in Australia. A recent result of numerical simulation on global ocean circulation suggests that the Adelie AABW may be the important source of Pacific and Indian Ocean deep water. We have deployed mooring systems with about 30 current meters and CT meters at 8 stations east of the Kerguelen Plateau for two years from February 2003 to February 2005, to observe the meridional volume transport of Adelie AABW as a werstern boundary current and its seasonal variations. We could successfully recover all the current and CT instrument mooring systems. We have now numerous valuable data. Since we fortunately could obtain a new research fund on ou study of the Adelie AABW formation, we are planning to progress analyzes of numerous and valuable data and would like to evaluate the meridional heat and volume transport of the Adelie AABW and its seasonal variability quantitatively.
南大洋通过与太平洋、大西洋和印度洋的直接热量和质量联系,对全球气候发挥着重要作用。特别是众所周知,南极海洋是世界上最大的季节性海冰区,产生的南极底层水(AABW)是一般深海环流的来源之一。尽管它在地球科学中很重要,但对 AABW 的经向体积传输及其季节变化的直接观测却很少。人们普遍认为,AABW产生于威德尔海、罗斯海和阿德利海岸附近的三个沿海地区。最近,美国和欧洲海洋学家率先在威德尔海和罗斯海制定了关于 AABW 形成的观测计划。本研究的目的是定量评估 AABW(以下称为阿德利 AABW)的经向体积输送。通过与澳大利亚联邦科学与工业研究组织 (CSIRO) 的联合项目直接观测,在阿德利海岸附近的沿海冰间湖中产生。最近对全球海洋环流的数值模拟结果表明,阿德利AABW可能是太平洋和印度洋深水的重要来源。 2003年2月至2005年2月两年间,我们在凯尔盖朗高原以东的8个站部署了约30个海流表和CT表的系泊系统,观测了阿德利AABW作为西边界流的经向体积输送及其季节变化。我们能够成功恢复所有当前和 CT 仪器系泊系统。我们现在拥有大量有价值的数据。由于我们有幸获得了阿德利 AABW 形成研究的新研究基金,我们计划对大量有价值的数据进行分析,并希望定量评估阿德利 AABW 的经向热量和体积输送及其季节变化。
项目成果
期刊论文数量(56)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Coherent sea level response to the Antarctic Oscillation
海平面对南极涛动的一致响应
- DOI:
- 发表时间:2002
- 期刊:
- 影响因子:0
- 作者:Aoki;S
- 通讯作者:S
Winter mixed layer and its yearly variability under sea ice in the southwestern part of the Sea of Okhotsk
鄂霍茨克海西南部海冰下冬季混合层及其年际变化
- DOI:
- 发表时间:2004
- 期刊:
- 影响因子:0
- 作者:Mizuta;G.;M.Wakatsuchi
- 通讯作者:M.Wakatsuchi
A simplified ice-ocean coupled model for the Antarctic ice melt season
南极冰雪融化季节的简化冰海耦合模型
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:Ohshima;K.I.;S.Nihashi
- 通讯作者:S.Nihashi
Reconstruction of plaeoproductivity in the Sea of Okhotsk over the last 30 kyrs
近30年来鄂霍次克海古生产力重建
- DOI:
- 发表时间:2004
- 期刊:
- 影响因子:0
- 作者:Seki;O.;M.Ikehara;K.Kawamura;T.Nakatsuka;H.Narita;他
- 通讯作者:他
Nakatsuka, T., M.Wakatsuchi: "An extremely turbid intermediate water in the Sea of Okhotsk : Implication for the transport of particulate organic matter in a seasonally ice-bound sea"Geophys. Res. Lett.. 29, 16. 10-13 (2002)
Nakatsuka, T., M.Wakatsuchi:“鄂霍次克海极其浑浊的中间水:对季节性冰封海中颗粒有机物运输的影响”地球物理学。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
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WAKATSUCHI Masaaki其他文献
WAKATSUCHI Masaaki的其他文献
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{{ truncateString('WAKATSUCHI Masaaki', 18)}}的其他基金
Elucidation of thermohaline/biogeochemical circulation systems connecting the Sea of Okhotsk with subarctic North Pacific Ocean
连接鄂霍次克海与亚北极北太平洋的温盐/生物地球化学循环系统的阐明
- 批准号:
22221001 - 财政年份:2010
- 资助金额:
$ 8.45万 - 项目类别:
Grant-in-Aid for Scientific Research (S)
Quantitative evaluations of ocean circulation and meridional themohaline transport in the Indian sector of Antarctic
南极印度段海洋环流和经向温盐输送的定量评估
- 批准号:
17340138 - 财政年份:2005
- 资助金额:
$ 8.45万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
A study on mechanisms for the formation of polynyas in the Antarctic
南极冰间湖形成机制研究
- 批准号:
07454107 - 财政年份:1995
- 资助金额:
$ 8.45万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
A New Finding of Large-Scale Ocean Eddy in the Antarctic
南极大范围海洋涡旋的新发现
- 批准号:
03452059 - 财政年份:1991
- 资助金额:
$ 8.45万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
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