Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2020GL087830 |
Variability of the Subantarctic Mode Water volume in the South Indian Ocean during 2004‐2018 | |
Yu Hong; Yan Du; Tangdong Qu; Ying Zhang; Wenju Cai | |
2020-04-23 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2020 |
英文摘要 | An analysis of Argo data reveals that the Subantarctic Mode Water (SAMW) in the South Indian Ocean (SIO), characterized by a vertical potential vorticity minimum, decreases by 10% in volume from 2004 to 2015. Most of this decrease occurs at the 26.8‐26.9 kg m‐3density range which forms southwest of Australia, while a slight volume increase occurs at 26.6‐26.8 kg m‐3. Further analysis indicates that the weakening of the Mascarene High and westerly winds in the SIO reduces the evaporation‐precipitation, surface heat flux and Ekman pumping and shoals the mixed layer southwest of Australia, which leads to a volume decrease at 26.8‐26.9 kg m‐3 in approximately 3 years. West of 90°E, the parameters exhibit the opposite change, leading to a volume increase at 26.6‐26.8 kg m‐3. This result suggests that surface winds play an important role in the variability of the SIO SAMW volume during the Argo period. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/249000 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Yu Hong,Yan Du,Tangdong Qu,等. Variability of the Subantarctic Mode Water volume in the South Indian Ocean during 2004‐2018[J]. Geophysical Research Letters,2020. |
APA | Yu Hong,Yan Du,Tangdong Qu,Ying Zhang,&Wenju Cai.(2020).Variability of the Subantarctic Mode Water volume in the South Indian Ocean during 2004‐2018.Geophysical Research Letters. |
MLA | Yu Hong,et al."Variability of the Subantarctic Mode Water volume in the South Indian Ocean during 2004‐2018".Geophysical Research Letters (2020). |
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