Exploratory Research on the Causes of Salinity Errors in the CCSM Coupled Climate Models with Focus on the Subpolar North Pacific

以副极地北太平洋为中心的CCSM耦合气候模式盐度误差成因探索性研究

基本信息

  • 批准号:
    0451479
  • 负责人:
  • 金额:
    --
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2004
  • 资助国家:
    美国
  • 起止时间:
    2004-12-01 至 2006-11-30
  • 项目状态:
    已结题

项目摘要

0451479Intellectual Merit: Tremendous advances in coupled climate models have been made in the last 10 years and they are being used both for both region and global predictions of climate. As such, there is an urgent need to evaluate their performance critically. The Community Climate System Model (CCSM version 2) developed at National Center for Atmospheric Research (NCAR) with help from the scientific community shows significant errors in sea surface salinity in the sub-polar North Pacific where the sea surface salinity (SSS) is too high. Preliminary investigation indicates that similar errors occur in the most recent version of the model. Related to the SSS errors are far too deep mixed-layers is the western sub-polar North Pacific. This project will analyze the fully coupled ocean-atmosphere model and a mixed-layer ocean coupled to an atmospheric general circulation model when it becomes available. In particular, the research will focus on what is causing the errors and what the consequences for the errors on the ocean model.The expected results include a better understanding of the role that SSS plays in the coupled climate system. How errors in the upper ocean salinity budget act to break the fresh water dominated stratification in the subpolar North Pacific will be established. The importance of evaporation, precipitation, and runoff errors, as well as errors owing to sea-ice and ocean transport and mixing processes will be addressed. Tthe heat and fresh water transport in the ocean, with focus on the North Pacific and how mode and intermediate water form in the coupled model will also be examined. This study will lead to improved understanding on how the CCSM model works and what improvements need to be made in the model.Broader Impacts: The proposed research will add a significant contribution to the evaluation and development of the Community Climate System Modeling (CCSM) effort at NCAR by members of the academic oceanographic community. The lead investigator is also a participant in a community effort to establish petascale computing needs for the geosciences. Direct involvement with the CCSM model will help in this effort. Both PI's are from an under-represented group in oceanography and the collaboration with CCSM scientists at NCAR will enable them to further develop their careers. The lead PI is also actively involved in the planning of a workshop to establish a mentoring network for women in physical oceanography.
0451479智力上的优点:在过去的10年里,耦合气候模式取得了巨大的进步,它们被用于区域和全球气候预测。因此,迫切需要对它们的业绩进行批判性评价。在科学界的帮助下,美国国家大气研究中心(NCAR)开发的社区气候系统模型(CCSM第2版)显示,在副极地北太平洋的海表盐度(SSS)太高的地方,海表盐度存在显着误差。初步调查表明,类似的错误发生在最新版本的模型。与SSS错误相关的是西次极地北太平洋的混合层太深。该项目将分析完全耦合的海洋-大气模式和混合层海洋耦合到大气环流模式时,它成为可用的。特别是,研究将集中在什么是导致错误的海洋模式上的错误的后果是什么。预期的结果包括更好地了解SSS在耦合气候系统中发挥的作用。将建立上层海洋盐度收支的误差如何打破亚极地北太平洋淡水主导的分层。将讨论蒸发、降水和径流误差的重要性,以及海冰和海洋运输和混合过程造成的误差。还将研究海洋中的热量和淡水输送,重点是北太平洋,以及如何在耦合模式中形成模态和中间水。这项研究将导致更好地了解CCSM模型的工作原理和需要在model.Broader影响:拟议的研究将增加一个显着的贡献,社区气候系统建模(CCSM)的评估和发展的努力在NCAR的成员的学术海洋学社区。首席研究员也是社区努力的参与者,以确定地球科学的千万亿次计算需求。直接参与CCSM模型将有助于这一努力。这两个PI都来自海洋学中代表性不足的群体,与NCAR的CCSM科学家合作将使他们能够进一步发展自己的职业生涯。主要方案干事还积极参与规划一个讲习班,以建立一个物理海洋学妇女指导网络。

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)
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LuAnne Thompson其他文献

Diurnal warming rectification in the tropical Pacific linked to sea surface temperature front
热带太平洋日间变暖修正与海面温度锋相关
  • DOI:
    10.1038/s41561-024-01391-8
  • 发表时间:
    2024
  • 期刊:
  • 影响因子:
    18.3
  • 作者:
    Meghan F. Cronin;Dongxiao Zhang;Samantha M. Wills;J. E. J. Reeves Eyre;LuAnne Thompson;Nathan Anderson
  • 通讯作者:
    Nathan Anderson
Unexpected fix for ocean models
海洋模型的意外修复
  • DOI:
    10.1038/535497a
  • 发表时间:
    2016-07-27
  • 期刊:
  • 影响因子:
    48.500
  • 作者:
    Kathryn A. Kelly;LuAnne Thompson
  • 通讯作者:
    LuAnne Thompson

LuAnne Thompson的其他文献

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{{ truncateString('LuAnne Thompson', 18)}}的其他基金

EAGER: Ocean Circulation in the Amundsen Sea Embayment over the 20th Century
EAGER:20 世纪阿蒙森海湾的海洋环流
  • 批准号:
    2333370
  • 财政年份:
    2023
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
Collaborative Research: Midlatitude Marine Heatwaves in a changing climate: Variability, Predictability, and Projections
合作研究:气候变化中的中纬度海洋热浪:变化性、可预测性和预测
  • 批准号:
    2022874
  • 财政年份:
    2020
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
2016 Graduate Climate Conference; Seattle, Washington; October 28-30, 2016
2016年研究生气候会议;
  • 批准号:
    1640913
  • 财政年份:
    2016
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
2014 Graduate Climate Conference; Eatonville, Washington; October 31-November 2, 2014
2014年研究生气候会议;
  • 批准号:
    1441614
  • 财政年份:
    2014
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
2012 Graduate Climate Conference; Eatonville, Washington; October 26-28, 2012
2012年研究生气候会议;
  • 批准号:
    1242403
  • 财政年份:
    2012
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
Influence of interannual atmospheric forcing on North Pacific biogeochemical variability
年际大气强迫对北太平洋生物地球化学变化的影响
  • 批准号:
    0550771
  • 财政年份:
    2006
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
Ice-Ocean Interactions on the Okhotsk Sea Shelf
鄂霍次克海陆架上的冰海相互作用
  • 批准号:
    0526011
  • 财政年份:
    2005
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
Mechanisms Controlling the Biological Pump and CO2 Uptake Rates in the North Pacific
北太平洋生物泵和二氧化碳吸收率的控制机制
  • 批准号:
    0095106
  • 财政年份:
    2001
  • 资助金额:
    --
  • 项目类别:
    Standard Grant
Interaction of Dynamics and Thermodynamics along the Boundaries of the North Pacific Subtropical Gyre
沿着北太平洋副热带环流边界的动力学和热力学的相互作用
  • 批准号:
    9818920
  • 财政年份:
    1999
  • 资助金额:
    --
  • 项目类别:
    Continuing Grant
NSF Young Investigator
NSF 青年研究员
  • 批准号:
    9458356
  • 财政年份:
    1994
  • 资助金额:
    --
  • 项目类别:
    Continuing Grant

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