Arid
DOI10.1175/JCLI3742.1
The Community Land Model and its climate statistics as a component of the Community Climate System Model
Dickinson, Robert E.; Oleson, Keith W.; Bonan, Gordon; Hoffman, Forrest; Thornton, Peter; Vertenstein, Mariana; Yang, Zong-Liang; Zeng, Xubin
通讯作者Dickinson, Robert E.
来源期刊JOURNAL OF CLIMATE
ISSN0894-8755
EISSN1520-0442
出版年2006
卷号19期号:11页码:2302-2324
英文摘要

Several multidecadal simulations have been carried out with the new version of the Community Climate System Model (CCSM). This paper reports an analysis of the land component of these simulations. Global annual averages over land appear to be within the uncertainty of observational datasets, but the seasonal cycle over land of temperature and precipitation appears to be too weak. These departures from observations appear to be primarily a consequence of deficiencies in the simulation of the atmospheric model rather than of the land processes. High latitudes of northern winter are biased sufficiently warm to have a significant impact on the simulated value of global land temperature. The precipitation is approximately doubled from what it should be at some locations, and the snowpack and spring runoff are also excessive. The winter precipitation over Tibet is larger than observed. About two-thirds of this precipitation is sublimated during the winter, but what remains still produces a snowpack that is very large compared to that observed with correspondingly excessive spring runoff. A large cold anomaly over the Sahara Desert and Sahel also appears to be a consequence of a large anomaly in downward longwave radiation; low column water vapor appears to be most responsible. The modeled precipitation over the Amazon basin is low compared to that observed, the soil becomes too dry, and the temperature is too warm during the dry season.


类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000238148200011
WOS关键词SURFACE AIR-TEMPERATURE ; AMAZONIAN RAIN-FOREST ; GLOBAL PRECIPITATION ; SPATIAL VARIABILITY ; GAUGE OBSERVATIONS ; MODIS DATA ; WATER ; CIRCULATION ; EVAPORATION ; ATMOSPHERE
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
来源机构University of Arizona
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/152072
作者单位(1)Georgia Inst Technol, Sch Earth & Atmospher Sci, Atlanta, GA 30332 USA;(2)Natl Ctr Atmospher Res, Boulder, CO 80307 USA;(3)Oak Ridge Natl Lab, Oak Ridge, TN USA;(4)Univ Texas, Austin, TX 78712 USA;(5)Univ Arizona, Tucson, AZ USA
推荐引用方式
GB/T 7714
Dickinson, Robert E.,Oleson, Keith W.,Bonan, Gordon,et al. The Community Land Model and its climate statistics as a component of the Community Climate System Model[J]. University of Arizona,2006,19(11):2302-2324.
APA Dickinson, Robert E..,Oleson, Keith W..,Bonan, Gordon.,Hoffman, Forrest.,Thornton, Peter.,...&Zeng, Xubin.(2006).The Community Land Model and its climate statistics as a component of the Community Climate System Model.JOURNAL OF CLIMATE,19(11),2302-2324.
MLA Dickinson, Robert E.,et al."The Community Land Model and its climate statistics as a component of the Community Climate System Model".JOURNAL OF CLIMATE 19.11(2006):2302-2324.
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