Evaluation of the tropical variability from the Beijing Climate Center's real-time operational global Ocean Data Assimilation System
Zhou, Wei; Chen, Mengyan; Zhuang, Wei; Xu, Fanghua; Zheng, Fei; Wu, Tongwen; Wang, Xin; Zhou, W (reprint author), China Meteorol Adm, Natl Climate Ctr, Lab Climate Studies, Beijing 100081, Peoples R China.
2016
发表期刊ADVANCES IN ATMOSPHERIC SCIENCES
卷号33期号:2页码:208-220
摘要The second-generation Global Ocean Data Assimilation System of the Beijing Climate Center (BCC GODAS2.0) has been run daily in a pre-operational mode. It spans the period 1990 to the present day. The goal of this paper is to introduce the main components and to evaluate BCC GODAS2.0 for the user community. BCC GODAS2.0 consists of an observational data preprocess, ocean data quality control system, a three-dimensional variational (3DVAR) data assimilation, and global ocean circulation model [Modular Ocean Model 4 (MOM4)]. MOM4 is driven by six-hourly fluxes from the National Centers for Environmental Prediction. Satellite altimetry data, SST, and in-situ temperature and salinity data are assimilated in real time. The monthly results from the BCC GODAS2.0 reanalysis are compared and assessed with observations for 1990-2011. The climatology of the mixed layer depth of BCC GODAS2.0 is generally in agreement with that ofWorld Ocean Atlas 2001. The modeled sea level variations in the tropical Pacific are consistent with observations from satellite altimetry on interannual to decadal time scales. Performances in predicting variations in the SST using BCC GODAS2.0 are evaluated. The standard deviation of the SST in BCC GODAS2.0 agrees well with observations in the tropical Pacific. BCC GODAS2.0 is able to capture the main features of El NiEeno Modoki I and Modoki II, which have different impacts on rainfall in southern China. In addition, the relationships between the Indian Ocean and the two types of El NiEeno Modoki are also reproduced.
部门归属[Zhou, Wei; Wu, Tongwen] China Meteorol Adm, Natl Climate Ctr, Lab Climate Studies, Beijing 100081, Peoples R China; [Chen, Mengyan; Zhuang, Wei; Wang, Xin] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Xu, Fanghua] Tsinghua Univ, Minist Educ, Key Lab Earth Syst Modeling, Beijing 100084, Peoples R China; [Xu, Fanghua] Tsinghua Univ, Ctr Earth Syst Sci, Beijing 100084, Peoples R China; [Zheng, Fei] Chinese Acad Sci, Inst Atmospher Phys, Int Ctr Climate & Environm Sci, Beijing 100029, Peoples R China ; LTO
关键词Operational Oceanography Global Ocean 3dvar El Nino Interannual Variability
学科领域Meteorology & Atmospheric Sciences
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15569
专题热带海洋环境国家重点实验室(LTO)
通讯作者Zhou, W (reprint author), China Meteorol Adm, Natl Climate Ctr, Lab Climate Studies, Beijing 100081, Peoples R China.
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GB/T 7714
Zhou, Wei,Chen, Mengyan,Zhuang, Wei,et al. Evaluation of the tropical variability from the Beijing Climate Center's real-time operational global Ocean Data Assimilation System[J]. ADVANCES IN ATMOSPHERIC SCIENCES,2016,33(2):208-220.
APA Zhou, Wei.,Chen, Mengyan.,Zhuang, Wei.,Xu, Fanghua.,Zheng, Fei.,...&Zhou, W .(2016).Evaluation of the tropical variability from the Beijing Climate Center's real-time operational global Ocean Data Assimilation System.ADVANCES IN ATMOSPHERIC SCIENCES,33(2),208-220.
MLA Zhou, Wei,et al."Evaluation of the tropical variability from the Beijing Climate Center's real-time operational global Ocean Data Assimilation System".ADVANCES IN ATMOSPHERIC SCIENCES 33.2(2016):208-220.
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