Arid
DOI10.1002/2016JD025366
Spatiotemporal variations in the difference between satellite-observed daily maximum land surface temperature and station-based daily maximum near-surface air temperature
Lian, Xu1; Zeng, Zhenzhong1; Yao, Yitong1; Peng, Shushi1; Wang, Kaicun2; Piao, Shilong1,3,4
通讯作者Piao, Shilong
来源期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
EISSN2169-8996
出版年2017
卷号122期号:4页码:2254-2268
英文摘要

There is an increasing demand to integrate land surface temperature (LST) into climate research due to its global coverage, which requires a comprehensive knowledge of its distinctive characteristics compared to near-surface air temperature (Tair). Using satellite observations and in situ station-based data sets, we conducted a global-scale assessment of the spatial and seasonal variations in the difference between daily maximum LST and daily maximum Tair (delta(T), LST - Tair) during 2003-2014. Spatially, LST is generally higher than Tair over arid and sparsely vegetated regions in the middle-low latitudes, but LST is lower than Tair in tropical rainforests due to strong evaporative cooling, and in the high-latitude regions due to snow-induced radiative cooling. Seasonally, delta(T) is negative in tropical regions throughout the year, while it displays a pronounced seasonality in both the midlatitudes and boreal regions. The seasonality in the midlatitudes is a result of the asynchronous responses of LST and Tair to the seasonal cycle of radiation and vegetation abundance, whereas in the boreal regions, seasonality is mainly caused by the change in snow cover. Our study identified substantial spatial heterogeneity and seasonality in delta(T), as well as its determinant environmental drivers, and thus provides a useful reference for monitoring near-surface air temperature changes using remote sensing, particularly in remote regions.


类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000396121200013
WOS关键词CLIMATE ; SKIN ; FEEDBACKS ; COVER ; INDEX
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
来源机构北京师范大学 ; 北京大学 ; 中国科学院青藏高原研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/200488
作者单位1.Peking Univ, Coll Urban & Environm Sci, Sinofrench Inst Earth Syst Sci, Beijing, Peoples R China;
2.Beijing Normal Univ, Coll Global Change & Earth Syst Sci, Beijing, Peoples R China;
3.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing, Peoples R China;
4.Chinese Acad Sci, Ctr Excellence Tibetan Earth Sci, Beijing, Peoples R China
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GB/T 7714
Lian, Xu,Zeng, Zhenzhong,Yao, Yitong,et al. Spatiotemporal variations in the difference between satellite-observed daily maximum land surface temperature and station-based daily maximum near-surface air temperature[J]. 北京师范大学, 北京大学, 中国科学院青藏高原研究所,2017,122(4):2254-2268.
APA Lian, Xu,Zeng, Zhenzhong,Yao, Yitong,Peng, Shushi,Wang, Kaicun,&Piao, Shilong.(2017).Spatiotemporal variations in the difference between satellite-observed daily maximum land surface temperature and station-based daily maximum near-surface air temperature.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(4),2254-2268.
MLA Lian, Xu,et al."Spatiotemporal variations in the difference between satellite-observed daily maximum land surface temperature and station-based daily maximum near-surface air temperature".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.4(2017):2254-2268.
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