Spatiotemporal variations of annual shallow soil temperature on the Tibetan Plateau during 1983-2013
Zhu, Fuxin1,2; Cuo, Lan1,2,3; Zhang, Yongxin4; Luo, Jing-Jia5; Lettenmaier, Dennis P.6; Lin, Yumei2,7; Liu, Zhe1,2
Source PublicationCLIMATE DYNAMICS
Corresponding AuthorCuo, Lan(lancuo@itpcas.ac.cn)
AbstractSoil temperature changes in cold regions can have great impacts on the land surface energy and water balance, and hence changes in weather and climate, surface and subsurface hydrology and ecosystem. We investigate the spatiotemporal variations of annual soil temperature at depths of 0, 5, 10, 15, 20, and 40 cm during 1983-2013 using observations at 85 stations on the Tibetan Plateau (TP). Our results show that the climatological soil temperatures exhibit a similar spatial pattern among different depths and they are generally higher than surface air temperature at the individual stations. Spatially averaged soil temperature show that the TP has experienced significant warming trends at all six depths during 1983-2013, and the soil at 0-cm depth has the fastest warming rate among all the six layers and the surface air temperature. The first leading mode of joint empirical orthogonal function (EOF) analysis exhibits a spatially prevailing warming pattern across the six depths. This plateau-wide soil warming correlates very well with surface air temperature and sea surface temperature in response to increasing radiative forcing caused by greenhouse gases. The joint EOF2 displays a southeastern-northwestern dipole pattern on the TP in the interannual-decadal variability of soil temperature at all layers, which appears to be related to the warm season precipitation and anomalous atmospheric circulations. The spatial difference of soil warming rates across stations on the TP is associated primarily with the spatial distribution of precipitation (mainly rainfall), with vegetation, snowfall and elevation playing a rather limited role.
KeywordSoil temperature Tibetan Plateau Climate change Joint empirical orthogonal function (joint EOF)
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[41571067] ; Chinese Academy of Sciences[131C11KYSB20160061] ; National Basic Research Program[2013CB956004]
Funding OrganizationNational Natural Science Foundation of China ; Chinese Academy of Sciences ; National Basic Research Program
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences
WOS IDWOS:000442433200034
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorCuo, Lan
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Bldg 3,Courtyard 16,Lin Cui Rd, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China
4.Natl Ctr Atmospher Res, POB 3000, Boulder, CO 80307 USA
5.Australian Bur Meteorol, Melbourne, Vic, Australia
6.Univ Calif Los Angeles, Dept Geog, Los Angeles, CA 90024 USA
7.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Resource Use & Environm Remediat, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Zhu, Fuxin,Cuo, Lan,Zhang, Yongxin,et al. Spatiotemporal variations of annual shallow soil temperature on the Tibetan Plateau during 1983-2013[J]. CLIMATE DYNAMICS,2018,51(5-6):2209-2227.
APA Zhu, Fuxin.,Cuo, Lan.,Zhang, Yongxin.,Luo, Jing-Jia.,Lettenmaier, Dennis P..,...&Liu, Zhe.(2018).Spatiotemporal variations of annual shallow soil temperature on the Tibetan Plateau during 1983-2013.CLIMATE DYNAMICS,51(5-6),2209-2227.
MLA Zhu, Fuxin,et al."Spatiotemporal variations of annual shallow soil temperature on the Tibetan Plateau during 1983-2013".CLIMATE DYNAMICS 51.5-6(2018):2209-2227.
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