New and Regenerated Production in the Equatorial Pacific
New and Regenerated Production in the Equatorial Pacific
批准号:
9022403
负责人:
Patricia Wheeler
金额:
$34.15万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1991
资助国家:
美国
项目状态:
已结题
起止时间:
1991-07-15 至 1995-06-30
中文摘要
海洋初级生产在缓冲大气CO2中起着重要作用。全球初级生产的很大一部分发生在赤道太平洋的地表水中。该项目将成为联合地面观测系统赤道太平洋实验的一个组成部分。将测量营养水平、颗粒氮分布和15n -氮同化速率,以确定:1)赤道太平洋中部出现了多少“新生产”?是什么控制着新产品的生产水平?3)是否有一些新产品以颗粒氮的形式积累?4)是否有一些新产品转化为溶解性有机氮
英文摘要
Oceanic primary production plays an important role in buffering atmospheric CO2. A significant portion of global primary production takes places in the surface water of the Equatorial Pacific. This project will be a component of the JGOFS Equatorial Pacific Experiment. Nutrient levels, distribution of particulate nitrogen and rates of 15N-nitrogen assimilation will be measured to determine: 1) How much "new production" occurs in the central Equatorial Pacific?. 2) What controls the level of new production?. 3) Does some new production accumulate as particulate nitrogen?, and 4) Is some new production converted to dissolved organic nitrogen?.//
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Configuration of an Ecosystem Model for the Chukchi Sea Using Data from 1994-1996
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批准号:9815252
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项目类别:Continuing Grant
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资助金额:$30.5万
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财政年份:1999
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负责人:Patricia Wheeler
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依托单位:
Seasonal Study of Production and Respiration in the Central Arctic
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批准号:9708088
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项目类别:Continuing Grant
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资助金额:$66.43万
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财政年份:1997
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负责人:Patricia Wheeler
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依托单位:
Standing Stocks and Production Rates in the Canada, Makarov,and Eurasian Basins of the Arctic Ocean: The Role of Lower Trophic Level Processes in the Arctic Carbon Cycle
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批准号:9400306
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项目类别:Continuing Grant
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资助金额:$36.29万
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财政年份:1994
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负责人:Patricia Wheeler
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依托单位:
What Regulates Assimilation of Inorganic Nitrogen by Heterotrophic Bacteria vs. Phytoplankton in the Euphotic Zone
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批准号:9101904
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项目类别:Continuing Grant
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资助金额:$15.02万
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财政年份:1991
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负责人:Patricia Wheeler
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依托单位:
Bacterial Biomass and N Production in the Euphotic Zone
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批准号:8711631
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项目类别:Standard Grant
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资助金额:$16.49万
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财政年份:1987
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负责人:Patricia Wheeler
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依托单位:
Nitrogen Uptake and Recycling in the Subarctic Pacific
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批准号:8613878
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项目类别:Continuing Grant
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资助金额:$37.5万
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财政年份:1986
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负责人:Patricia Wheeler
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依托单位:
Regulation of Nitrogen Utilization by Marine Macroalgae
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批准号:8501365
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项目类别:Continuing Grant
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资助金额:$14.16万
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财政年份:1985
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负责人:Patricia Wheeler
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依托单位:
Bacteria/Phytoplankton Interactions in Cycling of Dissolved Organic Nitrogen (Ecology)
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批准号:8310369
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项目类别:Standard Grant
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资助金额:$8.23万
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财政年份:1983
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负责人:Patricia Wheeler
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依托单位:
Nitrogen Utilization and Recycling in the Subarctic Pacific (SUPER)
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批准号:8308753
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项目类别:Continuing Grant
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资助金额:$28.21万
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财政年份:1983
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负责人:Patricia Wheeler
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依托单位:
Rates of Labeling of Phytoplankton Nitrogen: Reevaluation Of 15n-Tracer Measurements of Nh4 Uptake
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批准号:8208873
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项目类别:Continuing Grant
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资助金额:$14.72万
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财政年份:1982
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负责人:Patricia Wheeler
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依托单位:
海外基金