The mesoscale model WRF with improved surface roughness is used to simulate the variation characteristics of surface turbulent flux over the Qinghai-Tibetan Plateau and its surrounding areas from 2004 to 2013. The results show that sensible heat flux in the central and southeastern parts of the Qinghai-Tibetan Plateau has increased by 9.952 W·m-2·(10a)-1 and 14.595 W·m-2·(10a)-1 since 2004 to 2013, respectively, sensible heat in other regions of the Qinghai-Tibetan Plateau decreased by -4.473 W·m-2·(10a)-1. The Hengduan Mountains increased by 9.928 W·m-2·(10a)-1, the Yunnan-Guizhou Plateau increased by 9.868 W·m-2·(10a)-1 and the Jiangnan Hilly Region increased by 15.177 W·m-2·(10a)-1; The sensible heat in other surrounding areas decreased, the order of magnitude is -10.26 W·m-2·(10a)-1. The latent heat increased weakly in the eastern part of the Qinghai-Tibetan Plateau[1.175 W·m-2·(10a)-1], and decreased in other parts of the Qinghai-Tibetan Plateau[-3.762 W·m-2·(10a)-1], and weakened in the Sichuan Basin on the eastern side of the Qinghai-Tibetan Plateau, the Bay of Bengal on the southern side and the surrounding northern areas, respectively, -0.27, -2.416 and -2.287 W·m-2·(10a)-1; The latent heat flux increased in different degrees in the surrounding areas. There were strong increases in Jiangsu and Zhejiang provinces in southeastern China[11.385 W·m-2·(10a)-1], increased in Indian Peninsula[2.988 W·m-2·(10a)-1], in Myanmar[9.287 W·m-2·(10a)-1] and in Loess Plateau[1.160 W·m-2·(10a)-1], but decreased in Yunnan-Guizhou Plateau[-2.705 W·m-2·(10a)-1].
LI Maoshan
,
YIN Shucheng
,
LIU Xiaoran
,
Lü Zhao
,
SONG Xingyu
,
MA Yaoming
,
SUN Fanglin
. Numerical Simulation of the Variation of the Turbulent Fluxes on the Qinghai-Tibetan Plateau and its Surrounding Area from 2004 to 2013[J]. Plateau Meteorology, 2019
, 38(6)
: 1140
-1148
.
DOI: 10.7522/j.issn.1000-0534.2018.00145
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