Investigations of the Western Arctic: Variability of Sea Ice Thickness Distribution in Bering Strait and the Chukchi Sea
北极西部调查:白令海峡和楚科奇海海冰厚度分布的变化
基本信息
- 批准号:9222331
- 负责人:
- 金额:$ 40.64万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1993
- 资助国家:美国
- 起止时间:1993-05-15 至 1996-10-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A collaborative research project will be undertaken by investiga- tors at the University of Washington and the University of Alaska as part of the Ocean-Atmosphere-Ice Interactions (OAII) component of the Arctic System Science (ARCSS) global change research program. The research objective is to measure the transport of water through the Bering Straits and to determine the influence of this transport on the physical properties and variability of the Arctic Ocean, and particularly the surface layer. These physical properties, such as ice cover and thickness, vertical mixing, and thermo-haline structure affect the extent of the Arctic ice pack. If changing climate conditions caused the ice pack to shrink or change significantly, the effect would be felt throughout the world's atmosphere and ocean. The influx of water through the Bering Strait is one of the major inputs to the Arctic Ocean, therefore its volume and physical properties must be known if one is to understand the processes that control the Arctic Ocean's physical features. Three coordinated projects will each deal with one or more aspects of the system, and together provide insight into the broader workings of the Arctic's physical and geochemical processes. Moorings will be deployed for a three-year period at key locations. They will provide concurrent time series of water column properties including temperature, sal- inity, currents and an upward looking sonar (ULS) will make a full year of ice thickness observations. A hydrographic program will also examine water column variability in the northeastern Chukchi Sea, where the low-salinity portion of the Pacific inflow drains into the Arctic Ocean. The work builds on earlier efforts funded by ONR and NSF that were conducted in cooperation with the physical and chemical oceanographic programs of NOAA/PMEL.
华盛顿大学和阿拉斯加大学的研究人员将开展一项合作研究项目,作为北极系统科学全球变化研究计划海洋-大气-冰相互作用(OAII)部分的一部分。研究目的是测量通过白令海峡的水的输送情况,并确定这种输送对北冰洋的物理性质和可变性的影响,特别是对表层的影响。这些物理性质,如冰盖和厚度、垂直混合和热盐碱结构,影响着北极冰盖的范围。如果不断变化的气候条件导致冰层缩小或显著变化,整个世界的大气和海洋都会感受到影响。通过白令海峡流入的水是北冰洋的主要输入之一,因此,如果要了解控制北冰洋物理特征的过程,就必须了解其体积和物理性质。三个协调的项目将分别涉及该系统的一个或多个方面,并共同提供对北极物理和地球化学过程的更广泛工作原理的洞察。将在关键地点部署为期三年的系泊设施。他们将提供水柱属性的同步时间序列,包括温度、盐度、洋流和向上俯视声纳(ULS)将进行全年的冰层厚度观测。一个水文项目还将检查楚科奇海东北部的水柱变异性,太平洋流入的低盐度部分流入北冰洋。这项工作建立在ONR和NSF资助的早期努力的基础上,这些努力是与NOAA/PMEL的物理和化学海洋学计划合作进行的。
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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Richard Moritz其他文献
Richard Moritz的其他文献
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{{ truncateString('Richard Moritz', 18)}}的其他基金
Spatial and Temporal Variability of Sea-Ice Draft Near the North Pole from ULS Data, 1975 - 2005
1975 - 2005 年 ULS 数据显示的北极附近海冰吃水的时空变化
- 批准号:
0612944 - 财政年份:2006
- 资助金额:
$ 40.64万 - 项目类别:
Standard Grant
Collaborative Research: Attachment/Detachment of Algae to/from Sea Ice: Mechanisms and Consequences for Biogenic Fluxes and Polar Ecosystems
合作研究:藻类与海冰的附着/分离:生物通量和极地生态系统的机制和后果
- 批准号:
0454955 - 财政年份:2005
- 资助金额:
$ 40.64万 - 项目类别:
Standard Grant
SGER: Modeling the Atmospheric Circulation Over the Arctic
SGER:模拟北极上空的大气环流
- 批准号:
0004261 - 财政年份:2000
- 资助金额:
$ 40.64万 - 项目类别:
Standard Grant
Collaborative Research: Studies of Arctic Climate Feedbacks Using SHEBA Data and the NCAR Climate System Model
合作研究:利用 SHEBA 数据和 NCAR 气候系统模型研究北极气候反馈
- 批准号:
0084287 - 财政年份:2000
- 资助金额:
$ 40.64万 - 项目类别:
Continuing Grant
Science Management Office ARCSS Ocean-Atmosphere-Ice Interactions
科学管理办公室 ARCSS 海洋-大气-冰相互作用
- 批准号:
9224892 - 财政年份:1993
- 资助金额:
$ 40.64万 - 项目类别:
Continuing Grant
Time-Space Coherence of Sea Ice Draft Distribution
海冰吃水分布的时空相干性
- 批准号:
9118424 - 财政年份:1991
- 资助金额:
$ 40.64万 - 项目类别:
Standard Grant
Coupled Modelling of the Arctic Ocean-Atmosphere-Ice System
北冰洋-大气-冰系统的耦合模拟
- 批准号:
9113851 - 财政年份:1991
- 资助金额:
$ 40.64万 - 项目类别:
Continuing Grant
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