Contrasting Impacts of South and North Tropical Indian Ocean Sea Surface Temperature Anomalies on East Asian Summer Climate
Contrasting Impacts of South and North Tropical Indian Ocean Sea Surface Temperature Anomalies on East Asian Summer Climate
复制标题
南、北热带印度洋海表温度异常对东亚夏季气候的影响对比
DOI:
10.3878/aosl20150026
复制
发表时间:
2015-01
影响因子:
2.3
通讯作者:
Kaiming Hu
中科院分区:
文献类型:
--
作者:
Kaiming Hu
Abstract Using observational data and model simulations, the author find that the North Indian Ocean (NIO) sea surface temperature (SST) anomalies can trigger an eastward atmospheric Kelvin wave propagating into the equatorial western Pacific, inducing an anomalous anticyclone over the subtropical Northwest Pacific (NWP) and resulting in prominent summer climate anomalies in the East Asia-Northwest Pacific (EANWP) region. However, the response of tropospheric temperatures and atmospheric Kelvin waves to the South Indian Ocean (SIO) SST anomalies is weak; as a result, the impact of the SIO SST anomalies on the EANWP summer climate is weak. The contrasting impacts of NIO and SIO SST anomalies on the EANWP summer climate is possibly due to the different mean state of SSTs in the two regions. In summer, the climatological SSTs in the NIO are higher than in the SIO, leading to a stronger response of atmospheric convection to the NIO SST anomalies than to the SIO SST anomalies. Thus, compared with the SIO SST anomalies, the NIO SST anomalies can lead to stronger tropospheric air temperature anomalies and atmospheric Kelvin waves to affect the EANWP summer climate.
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影响因子:
4.6
作者:
Jiepeng Chen;Z. Wen;R. Wu;Zesheng Chen;P. Zhao
通讯作者:
Jiepeng Chen;Z. Wen;R. Wu;Zesheng Chen;P. Zhao
影响因子:
4.9
作者:
Huang, Gang;Hu, Kaiming;Xie, Shang-Ping
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Xie, Shang-Ping
影响因子:
8
作者:
A. Basist;M. Chelliah
通讯作者:
A. Basist;M. Chelliah
影响因子:
5.8
作者:
Huang Gang;Qu Xia;Huang Kaiming
通讯作者:
Huang Gang;Qu Xia;Huang Kaiming
影响因子:
4.9
作者:
S. Thompson;D. Pollard
通讯作者:
S. Thompson;D. Pollard