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Water Vapor Transpo...
Water Vapor Transport and Moisture Budget over Eastern China: Remote Forcing from the Two Types of El Nino
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Li, X. Z. (författare)
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Zhou, W. (författare)
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- Chen, Deliang, 1961 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för geovetenskaper,Department of Earth Sciences
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Li, C. Y. (författare)
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Song, J. (författare)
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(creator_code:org_t)
- 2014-12-05
- 2014
- Engelska.
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Ingår i: Journal of Climate. - : American Meteorological Society. - 0894-8755 .- 1520-0442. ; 27:23, s. 8778-8792
- Relaterad länk:
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http://rcg.gvc.gu.se...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The water vapor transport and moisture budget over eastern China remotely forced by the cold-tongue (CT) and warm-pool (WP) El Nino show striking differences throughout their lifetime. The water vapor transport response is weak in the developing summer but strong in the remaining phases of CT El Nino, whereas the opposite occurs duringWP El Nino. WP El Nino causes a moisture deficit over the Yangtze River valley (YZ) in the developing summer and over southeastern China (SE) in the developing fall, whereas CT El Nino induces a moisture surplus first over SE during the developing fall with the influential area expanding in the decaying spring and shifting northward in the decaying summer. It is the divergence of meridional water vapor transport that dominates the total water vapor divergence anomaly, with the divergence of zonal transport showing an opposite pattern with smaller magnitude. Investigation of the vertical profile of moisture budget shows a great baroclinicity, with the strongest abnormal moisture budget occurring in different levels. The moisture transport via the southern boundary plays a crucial role in the regional moisture budget anomalies and is located near the surface over SE, in the lower troposphere over the YZ, and at the lower-middle troposphere over the eastern part of northern China. The enhanced moisture surplus near the surface forced by WP El Nino over SE in the mature winter and decaying spring is offset by a moisture deficit within the lower-middle troposphere due to a diverse response circulation at different vertical levels.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
Nyckelord
- SUMMER MONSOON RAINFALL
- WESTERN NORTH PACIFIC
- INDIAN-OCEAN
- SOUTH
- CHINA
- ANOMALOUS ANTICYCLONE
- ASIAN TELECONNECTION
- CLIMATE
- ENSO
- IMPACTS
- EVENTS
- Meteorology & Atmospheric Sciences
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