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An assessment of Indo-Pacific oceanic channel dynamics in the FGOALS-g2 coupled climate system model
Xu Tengfei1,2; Yuan Dongliang1; Yu Yongqiang3; Zhao Xia1; Yuan, DL
2013-07-01
发表期刊ADVANCES IN ATMOSPHERIC SCIENCES
ISSN0256-1530
卷号30期号:4页码:997-1016
文章类型Article
摘要Lag correlations of sea surface temperature anomalies (SSTAs), sea surface height anomalies (SSHAs), subsurface temperature anomalies, and surface zonal wind anomalies (SZWAs) produced by the Flexible Global Ocean-Atmosphere-Land System model: Grid-point Version 2 (FGOALS-g2) are analyzed and compared with observations. The insignificant, albeit positive, lag correlations between the SSTAs in the southeastern tropical Indian Ocean (STIO) in fall and the SSTAs in the central-eastern Pacific cold tongue in the following summer through fall are found to be not in agreement with the observational analysis. The model, however, does reproduce the significant lag correlations between the SSHAs in the STIO in fall and those in the cold tongue at the one-year time lag in the observations. These, along with the significant lag correlations between the SSTAs in the STIO in fall and the subsurface temperature anomalies in the equatorial Pacific vertical section in the following year, suggest that the Indonesian Throughflow plays an important role in propagating the Indian Ocean anomalies into the equatorial Pacific Ocean. Analyses of the interannual anomalies of the Indonesian Throughflow transport suggest that the FGOALS-g2 climate system simulates, but underestimates, the oceanic channel dynamics between the Indian and Pacific Oceans. FGOALS-g2 is shown to produce lag correlations between the SZWAs over the western equatorial Pacific in fall and the cold tongue SSTAs at the one-year time lag that are too strong to be realistic in comparison with observations. The analyses suggest that the atmospheric bridge over the Indo-Pacific Ocean is overestimated in the FGOALS-g2 coupled climate model.; Lag correlations of sea surface temperature anomalies (SSTAs), sea surface height anomalies (SSHAs), subsurface temperature anomalies, and surface zonal wind anomalies (SZWAs) produced by the Flexible Global Ocean-Atmosphere-Land System model: Grid-point Version 2 (FGOALS-g2) are analyzed and compared with observations. The insignificant, albeit positive, lag correlations between the SSTAs in the southeastern tropical Indian Ocean (STIO) in fall and the SSTAs in the central-eastern Pacific cold tongue in the following summer through fall are found to be not in agreement with the observational analysis. The model, however, does reproduce the significant lag correlations between the SSHAs in the STIO in fall and those in the cold tongue at the one-year time lag in the observations. These, along with the significant lag correlations between the SSTAs in the STIO in fall and the subsurface temperature anomalies in the equatorial Pacific vertical section in the following year, suggest that the Indonesian Throughflow plays an important role in propagating the Indian Ocean anomalies into the equatorial Pacific Ocean. Analyses of the interannual anomalies of the Indonesian Throughflow transport suggest that the FGOALS-g2 climate system simulates, but underestimates, the oceanic channel dynamics between the Indian and Pacific Oceans. FGOALS-g2 is shown to produce lag correlations between the SZWAs over the western equatorial Pacific in fall and the cold tongue SSTAs at the one-year time lag that are too strong to be realistic in comparison with observations. The analyses suggest that the atmospheric bridge over the Indo-Pacific Ocean is overestimated in the FGOALS-g2 coupled climate model.
关键词Indian Ocean Dipole Enso Oceanic Channel Fgoals-g2 Indonesian Throughflow
学科领域Meteorology & Atmospheric Sciences
DOI10.1007/s00376-013-2131-2
URL查看原文
收录类别SCI
语种英语
WOS研究方向Meteorology & Atmospheric Sciences
WOS类目Meteorology & Atmospheric Sciences
WOS记录号WOS:000320561800004
WOS关键词SEA-SURFACE TEMPERATURE ; TROPICAL INDIAN-OCEAN ; COMMUNITY LAND MODEL ; ATMOSPHERIC BRIDGE ; VERSION 2 ; ENSO ; VARIABILITY ; DIPOLE ; DESIGN ; WAVE
WOS标题词Science & Technology ; Physical Sciences
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/16391
专题海洋环流与波动重点实验室
海洋地质与环境重点实验室
通讯作者Yuan, DL
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing 100029, Peoples R China
第一作者单位海洋环流与波动重点实验室
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Xu Tengfei,Yuan Dongliang,Yu Yongqiang,et al. An assessment of Indo-Pacific oceanic channel dynamics in the FGOALS-g2 coupled climate system model[J]. ADVANCES IN ATMOSPHERIC SCIENCES,2013,30(4):997-1016.
APA Xu Tengfei,Yuan Dongliang,Yu Yongqiang,Zhao Xia,&Yuan, DL.(2013).An assessment of Indo-Pacific oceanic channel dynamics in the FGOALS-g2 coupled climate system model.ADVANCES IN ATMOSPHERIC SCIENCES,30(4),997-1016.
MLA Xu Tengfei,et al."An assessment of Indo-Pacific oceanic channel dynamics in the FGOALS-g2 coupled climate system model".ADVANCES IN ATMOSPHERIC SCIENCES 30.4(2013):997-1016.
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