| 中国近海以及邻近海域海洋再分析产品(CORA)中季节内变化的评估 |
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| 引用本文： | 张敏,周磊,付红丽,姜良红,章向明. 中国近海以及邻近海域海洋再分析产品(CORA)中季节内变化的评估[J]. 海洋学报(英文版), 2016, 35(3): 90-101. DOI: 10.1007/s13131-016-0820-2 |
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| 作者姓名： | 张敏 周磊 付红丽 姜良红 章向明 |
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| 作者单位： | 河海大学海岸灾害及防护教育部重点实验室, 南京 210098,国家海洋局第二海洋研究所卫星海洋动力学国家重点实验室, 杭州 310012,国家海洋局海洋环境信息保障技术重点实验室(国家海洋信息中心), 天津 300171,国家海洋局第二海洋研究所卫星海洋动力学国家重点实验室, 杭州 310012,国家海洋局第二海洋研究所卫星海洋动力学国家重点实验室, 杭州 310012 |
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| 摘 要： | A regional reanalysis product—China Ocean Reanalysis(CORA)—has been developed for the China's seas and the adjacent areas. In this study, the intraseasonal variabilities(ISVs) in CORA are assessed by comparing with observations and two other reanalysis products(ECCO2 and SODA). CORA shows a better performance in capturing the intraseasonal sea surface temperatures(SSTs) and the intraseasonal sea surface heights(SSHs) than ECCO2 and SODA do, probably due to its high resolution, stronger response to the intraseasonal forcing in the atmosphere(especially the Madden-Julian Oscillation), and more available regional data for assimilation. But at the subsurface, the ISVs in CORA are likely to be weaker than reality, which is probably attributed to rare observational data for assimilation and weak diapycnal eddy diffusivity in the CORA model. According to the comparison results, CORA is a good choice for the study related to variabilities at the surface, but cares have to be taken for the study focusing on the subsurface processes.
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| 关 键 词： | CORA 季节内变化 MJO 海洋再分析产品 |
| 收稿时间： | 2015-06-01 |
| 修稿时间： | 2015-11-13 |
Assessment of intraseasonal variabilities in China Ocean Reanalysis (CORA) |
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| ZHANG Min,ZHOU Lei,FU Hongli,JIANG Lianghong and ZHANG Xiangming. Assessment of intraseasonal variabilities in China Ocean Reanalysis (CORA)[J]. Acta Oceanologica Sinica, 2016, 35(3): 90-101. DOI: 10.1007/s13131-016-0820-2 |
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| Authors: | ZHANG Min ZHOU Lei FU Hongli JIANG Lianghong ZHANG Xiangming |
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| Affiliation: | 1.Key Laboratory of Coastal Disaster and Defence of Ministry of Education, Hohai University, Nanjing 210098, China2.State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China3.Key Laboratory of Marine Environment Information Technology, National Marine Data and Information Service, State Oceanic Administration, Tianjin 300171, China |
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| Abstract: | A regional reanalysis product-China Ocean Reanalysis (CORA)-has been developed for the China's seas and the adjacent areas. In this study, the intraseasonal variabilities (ISVs) in CORA are assessed by comparing with observations and two other reanalysis products (ECCO2 and SODA). CORA shows a better performance in capturing the intraseasonal sea surface temperatures (SSTs) and the intraseasonal sea surface heights (SSHs) than ECCO2 and SODA do, probably due to its high resolution, stronger response to the intraseasonal forcing in the atmosphere (especially the Madden-Julian Oscillation), and more available regional data for assimilation. But at the subsurface, the ISVs in CORA are likely to be weaker than reality, which is probably attributed to rare observational data for assimilation and weak diapycnal eddy diffusivity in the CORA model. According to the comparison results, CORA is a good choice for the study related to variabilities at the surface, but cares have to be taken for the study focusing on the subsurface processes. |
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| Keywords: | China Ocean Reanalysis (CORA) intraseasonal variability Madden-Julian Oscillation ocean reanalysis product |
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