The Carbon Dioxide System in the Southern Ocean
南大洋的二氧化碳系统
基本信息
- 批准号:9530384
- 负责人:
- 金额:$ 40.03万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1996
- 资助国家:美国
- 起止时间:1996-08-01 至 2000-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
9530384 Millero This research project is part of the US Joint Global Ocean Flux Study (JGOFS) Southern Ocean Program aimed at (1) a better understanding of the fluxes of carbon, both organic and inorganic, in the Southern Ocean, (2) identifying the physical, ecological and biogeochemical factors and processes which regulate the magnitude and variability of these fluxes, and (3) placing these fluxes into the context of the contemporary global carbon cycle. This work is one of forty-four projects that are collaborating in the Southern Ocean Experiment, a threeyear effort south of the Antarctic Polar Frontal Zone to track the flow of carbon through its organic and inorganic pathways from the air-ocean interface through the entire water column into the bottom sediment. The experiment will make use of the RVIB Nathaniel B. Palmer and the R/V Thompson. It is known that the flux of gaseous carbon dioxide from the atmosphere to the ocean is controlled by the airsea difference in the partial pressure of CO2. In the ocean the dissolved carbon dioxide is in chemical equilibrium with the carbonate and bicarbonate ions. The carbonate ion concentration controls the rate of dissolution and precipitation of calcium carbonate, and the rate at which inorganic carbon is delivered to the sediment. What is not known very well is how these inorganic relationships are affected by biological processes in a region where production and transformation processes are quite large. This component concerns the direct measurement of the carbonate system on seven cruises between 1996 and 1998. This will involve measuring total inorganic carbon dioxide (TCO2), the partial pressure of gaseous carbon dioxide (pCO2), and total alkalinity (TA) in the surface waters, as well as the pCO2 in atmosphere, continuously along the cruise tracks. Complementary depth profiles of the oceanic parameters will be made at some of the stations. These measurements will be made in cooperation with the carbon-related measurements planned by other groups that receive support to participate in the experiment. The resulting carbon-based and nutrient measurements should provide the necessary field data that will be required in examining the flux of carbon dioxide across the air-sea interface and the changes resulting from primary productivity and the oxidation of plant material. ***
小行星9530384 该研究项目是美国联合全球海洋通量研究(JGOFS)南大洋计划的一部分,旨在(1)更好地了解南大洋有机和无机碳通量,(2)确定调节这些通量的大小和变化的物理,生态和生物地球化学因素和过程,(3)将这些通量置于当代全球碳循环的背景下。 这项工作是南大洋实验中合作的44个项目之一,南大洋实验是一项为期三年的努力,在南极极地锋区以南跟踪碳通过其有机和无机途径从空气-海洋界面通过整个水柱进入底部沉积物的流动。 实验将使用RVI B Nathaniel B。帕默和汤普森号 众所周知,从大气到海洋的气态二氧化碳通量是由CO2分压的海气差异控制的。 在海洋中,溶解的二氧化碳与碳酸盐和碳酸氢盐离子处于化学平衡。 碳酸根离子浓度控制碳酸钙的溶解和沉淀速率,以及无机碳被输送到沉积物的速率。 在一个生产和转化过程相当大的地区,这些无机关系是如何受到生物过程的影响的,这一点还不太清楚。 这一部分涉及1996年至1998年期间在七次航行中对碳酸盐系统的直接测量。 这将涉及沿着巡航轨迹连续测量表层沃茨中的无机二氧化碳总量(TCO 2)、气态二氧化碳分压(pCO 2)和总碱度(TA),以及大气中的pCO 2。 将在一些台站制作海洋参数的补充深度剖面图。 这些测量将与其他获得支持参与实验的团体计划的碳相关测量合作进行。 由此产生的碳基和养分测量应提供必要的实地数据,这将是审查二氧化碳通过大气-海洋界面的通量以及初级生产力和植物材料氧化所造成的变化所需要的。 ***
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Frank Millero其他文献
Frank Millero的其他文献
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{{ truncateString('Frank Millero', 18)}}的其他基金
RAPID: Carbonate Measurements for the US GEOTRACES Zonal North Atlantic Survey Section
RAPID:美国 GEOTRACES 分区北大西洋调查部分的碳酸盐测量
- 批准号:
1137651 - 财政年份:2011
- 资助金额:
$ 40.03万 - 项目类别:
Standard Grant
Collaborative Research: Global Ocean Repeat Hydrography, Carbon, and Tracer Measurements, 2009-2014
合作研究:全球海洋重复水文学、碳和示踪剂测量,2009-2014
- 批准号:
0752972 - 财政年份:2009
- 资助金额:
$ 40.03万 - 项目类别:
Continuing Grant
Collaborative Research: Global Ocean Repeat Hydrography, Carbon and Tracer Measurements
合作研究:全球海洋重复水文学、碳和示踪剂测量
- 批准号:
0223815 - 财政年份:2003
- 资助金额:
$ 40.03万 - 项目类别:
Continuing Grant
Collaborative Research: Southern Ocean Iron Experiments (SOFEX)
合作研究:南大洋铁实验(SOFEX)
- 批准号:
0000365 - 财政年份:2001
- 资助金额:
$ 40.03万 - 项目类别:
Standard Grant
Study of Ionic Interactions in Seawater
海水中离子相互作用的研究
- 批准号:
0081073 - 财政年份:2000
- 资助金额:
$ 40.03万 - 项目类别:
Standard Grant
Study of Ionic Interactions In Seawater
海水中离子相互作用的研究
- 批准号:
9617721 - 财政年份:1997
- 资助金额:
$ 40.03万 - 项目类别:
Continuing Grant
Instrument and Laboratory Improvement in Chemical Oceanography
化学海洋学仪器和实验室改进
- 批准号:
9651018 - 财政年份:1996
- 资助金额:
$ 40.03万 - 项目类别:
Standard Grant
JGOFS: The Carbon Dioxide System in the Arabian Sea
JGOFS:阿拉伯海的二氧化碳系统
- 批准号:
9310594 - 财政年份:1994
- 资助金额:
$ 40.03万 - 项目类别:
Continuing Grant
Study of Ionic Interactions In Seawater
海水中离子相互作用的研究
- 批准号:
9400784 - 财政年份:1994
- 资助金额:
$ 40.03万 - 项目类别:
Continuing Grant
Study of Ionic Interactions in Seawater
海水中离子相互作用的研究
- 批准号:
9201739 - 财政年份:1992
- 资助金额:
$ 40.03万 - 项目类别:
Continuing Grant
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