Toward Eliminating the Double Inter-Tropical Convergence Zone and Improving El Nino/Southern Oscillation Simulation in the NCAR Community Climate System Model Version 3 (CCSM3)
消除双热带辐合带并改进 NCAR 社区气候系统模型版本 3 (CCSM3) 中的厄尔尼诺/南方涛动模拟
基本信息
- 批准号:0601781
- 负责人:
- 金额:$ 37.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2006
- 资助国家:美国
- 起止时间:2006-05-01 至 2010-04-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This is a continuation project with a focus on mitigating the double Inter-Tropical Convergence Zone (ITCZ) problem and to improve the simulation of El Nino and Southern Oscillation (ENSO) in the fully coupled NCAR Community Climate System Model, CCSM3. These are amongst the most fundamental deficiencies in CCSM3. The basic research tools used are the CCSM3 and the improved Zhang-McFarlane convection scheme. The coupled model integrations with improved convection scheme will be analyzed to examine the improvement of ITCZ and ENSO simulations. Short term (=10 years) numerical experiments with both the original and improved convection scheme will be conducted to understand the interaction between convection and the large-scale circulation, and the role of convection parameterization in the elimination of double ITCZ. The ENSO simulation will focus on the role of the zonal wind stress off the equatorial region in relation to the improved simulation of convection in the Pacific and the role of enhanced Madden-Julian Oscillation (MJO) variability in increasing the periodicity of the simulated ENSO cycle. Intellectual merit: The PI will (1) Improve the simulation of the ITCZ precipitation to eliminate the double ITCZ problem in CCSM3, (2) Improve scientific understanding of the role of convection parameterization in the double ITCZ problem through carefully designed numerical experiments, (3) Improve the simulation of ENSO periodicity, and (4) Find the causes of the improvements, in particular, the roles of surface wind stress and enhanced MJO simulation in the CCSM3. Completion of this work will offer new insights into: (1) Ways the new cumulus convection parameterization will result in an improved simulation of ITCZ, and (2) Processes that results in the mitigation of the most fundamental model deficiencies in CCSM3Broader impacts: The research will lead to an improved climate system model that is being used worldwide by the climate research communities for a wide spectrum of climate change research. It also provides learning experiences and training for a graduate student.
这是一个继续项目,重点是减轻双重热带辐合带(ITCZ)问题,并改善完全耦合的NCAR社区气候系统模式CCSM 3中厄尔尼诺和南方涛动(ENSO)的模拟。这些都是CCSM 3中最基本的缺陷之一。基本的研究工具是CCSM 3和改进的Zhang-McFarlane对流方案。将分析改进对流方案的耦合模式积分,以检验ITCZ和ENSO模拟的改进。将用原始和改进的对流方案进行短期(=10年)数值试验,以了解对流和大尺度环流之间的相互作用,以及对流参数化在消除双ITCZ中的作用。厄尔尼诺/南方涛动模拟将侧重于赤道地区纬向风应力在改进太平洋对流模拟方面的作用,以及增强的马登-朱利安振荡变率在增加模拟的厄尔尼诺/南方涛动周期性方面的作用。 智力优点:PI将(1)改进ITCZ降水的模拟,以消除CCSM 3中的双重ITCZ问题,(2)通过精心设计的数值试验,提高对对流参数化在双重ITCZ问题中的作用的科学理解,(3)改进ENSO周期性的模拟,以及(4)找到改进的原因,特别是,CCSM 3中地面风应力和增强的MJO模拟的作用。这项工作的完成将为以下方面提供新的见解:(1)新的积云对流参数化将导致ITCZ模拟的改进,以及(2)导致CCSM 3中最基本模式缺陷缓解的过程。这项研究将导致一个改进的气候系统模型,该模型正被全球气候研究界用于广泛的气候变化research.它还为研究生提供学习经验和培训。
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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Guang Zhang其他文献
Characteristics of cavitation evolution through a butterfly valve under transient regulation
瞬态调节下蝶阀空化演化特征
- DOI:
10.1063/5.0137019 - 发表时间:
2023-01 - 期刊:
- 影响因子:4.6
- 作者:
Guang Zhang;Wei Wei Wang;Hao tian Zhang;Heuy-Dong Kim;Zhe Lin - 通讯作者:
Zhe Lin
Study on drug powder acceleration in a micro shock tube
微激波管内药粉加速研究
- DOI:
10.1007/s12206-016-0813-2 - 发表时间:
2015 - 期刊:
- 影响因子:1.6
- 作者:
Guang Zhang;Ying;T. Setoguchi;H. Kim - 通讯作者:
H. Kim
The non‑canonical functions of telomerase reverse transcriptase gene GlTert on regulating fungal growth, oxidative stress, and ganoderic acid biosynthesis in Ganoderma lucidum
端粒酶逆转录酶基因GlTert调节灵芝真菌生长、氧化应激和灵芝酸生物合成的非经典功能
- DOI:
10.1007/s00253-021-11564-9 - 发表时间:
2021 - 期刊:
- 影响因子:5
- 作者:
Guang Zhang;Chaohui Zhang;Doudou Leng;Peng Yan;Zhenhe Wang;Mingxia Zhang;Zhongwei Wu - 通讯作者:
Zhongwei Wu
Water harvesting from soils by light-to-heat induced evaporation and capillary water migration
通过光热诱导蒸发和毛细管水迁移从土壤中收集水
- DOI:
10.1016/j.applthermaleng.2020.115417 - 发表时间:
2019-11 - 期刊:
- 影响因子:6.4
- 作者:
Xiaotian Li;Guang Zhang;Chao Wang;Lichen He;Yantong Xu;Rong Ma;Wei Yao - 通讯作者:
Wei Yao
Regularized Scatter Measure for Linear Feature Extraction
用于线性特征提取的正则化散点测量
- DOI:
10.1109/icicic.2007.474 - 发表时间:
2007 - 期刊:
- 影响因子:0
- 作者:
Weixiang Liu;Kehong Yuan;Guang Zhang;Shaowei Jia;Ping Xiao - 通讯作者:
Ping Xiao
Guang Zhang的其他文献
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{{ truncateString('Guang Zhang', 18)}}的其他基金
Process-oriented Investigation of Double InterTropical Convergence Zone (ITCZ) Biases in National Center for Atmospheric Research Community Earth System Model (NCAR CESM)
国家大气研究中心社区地球系统模型 (NCAR CESM) 中双热带辐合带 (ITCZ) 偏差的面向过程调查
- 批准号:
2054697 - 财政年份:2021
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
Evaluating Convective Parameterization Schemes and Their Scale-awareness Using Simulated Convection in a Hierarchy of Models
使用模型层次结构中的模拟对流评估对流参数化方案及其尺度感知
- 批准号:
1549259 - 财政年份:2016
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
Collaborative Research: Evaluating the Roles of Factors Critical to MJO Simulations Using the NCAR CAM3 with Deterministic and Stochastic Convection Parameterization Closures
协作研究:使用具有确定性和随机对流参数化闭包的 NCAR CAM3 评估 MJO 模拟的关键因素的作用
- 批准号:
1015964 - 财政年份:2011
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
Collaborative Research: Understanding Climate Feedbacks and 3-D Global Warming Patterns in Global General Circulation Climate Models
合作研究:了解全球环流气候模型中的气候反馈和 3-D 全球变暖模式
- 批准号:
0832915 - 财政年份:2008
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
Convection Parameterization and Climate Simulation in the National Center for Atmospheric Research (NCAR) Community Climate System Model
国家大气研究中心 (NCAR) 社区气候系统模型中的对流参数化和气候模拟
- 批准号:
0204798 - 财政年份:2002
- 资助金额:
$ 37.5万 - 项目类别:
Standard Grant
Parameterization of Convective Momentum Transport Using Cloud Resolving and Single Column Models
使用云解析和单柱模型对对流动量传输进行参数化
- 批准号:
9911249 - 财政年份:2000
- 资助金额:
$ 37.5万 - 项目类别:
Continuing Grant
Investigation of the Warm Pool Surface Heat Budget and Validation of Atmospheric GCMs using TOGA COARE Data
使用 TOGA COARE 数据研究暖池表面热量收支并验证大气 GCM
- 批准号:
9525800 - 财政年份:1996
- 资助金额:
$ 37.5万 - 项目类别:
Continuing Grant
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