The water cycle processes in large scale were studied by many scientists. However, the studies of the water cycle processes between land and atmosphere are still not so much. This is especially true on Tibetan Plateau. Because the soil temperature and moisture distribution reflect the soil wet/dry and energy conditions, the variation of the temporal and spatial distributions of the soil moisture and temperature is one of the very important parts in the water cycle processes in land atmosphere system. In order to examine the water and energy cycle processes on Qinghai-Xizang(Tibet) Plateau and their roles in the context of the Asian monsoon system, the GAME (GEWEX Asian Monsoon Experiment) Tibet project was carried out. In this paper, using the high temporal resolution soil moisture and temperature as well as precipitation data of GAME Tibet, the water cycle processes between land surface and atmosphere in the northern part of Tibetan Plateau were analyzed. The results showed that the evaporation from the flat lan surface from July to August is 177.1mm(73.3mm) in the south(north) side of Tanggula Mt., which is 73.2%(57.7%) of the precipitation in the same period. The evaporation processes not only transport much water but also much energy from land surface to atmosphere, which can restrain the rising of the soil temperature. The difference of the evaporation between the two sides of Tanggula Mt. is mainly caused by the difference of precipitation in the two sides.
YANG Mei-xue, YAO Tan-dong, HE Yuan-qing, ZHANG Xiao-jun, MA Yao-ming
. The Water Cycles Between Land Surface and Atmosphere in Northern Part of Tibetan Plateau[J]. SCIENTIA GEOGRAPHICA SINICA, 2002
, 22(1)
: 29
-33
.
DOI: 10.13249/j.cnki.sgs.2002.01.29
[1] 刘国纬.水文循环的大气过程[M].北京:科学出版社,1997.1～20.
[2] 刑如楠.大尺度海气相互作用与水分循环[J].水科学进展,1999,10(3):271 277.
[3] 张家诚.水分循环与气候背景[J].水科学进展,1999,10(3):265～270.
[4] 刘昌明,孙睿.水循环的生态学方面:土壤-植被-大气系统水分能量平衡研究进展[J].水科学进展,1999,10(3):251～259
[5] Shukla J and Mintz Y. Influence of land - surface environment on the earth climate[J]. Science, 1982, 215:1498 - 1501.
[6] Dickinson R E and Henderson-sellers A. Modelling tropical deforestation: A study of GCM land - surface parameterizations[J]. Quart. J. R. Met. Soc. 1988, 114: 439-461.
[7] Mintz Y. The Global Climate[M]. Cambridge Uni. Press,Cambridge, 1984. 79-105.
[8] Yeh T C, Wetherald R T and Manabe S. The effect of soil moisture on the short-term climate and hydrology change-A numerical experiment[J]. Mon. Wea. Rev., 1984, 112:474- 490.
[9] 刘晓东,罗四维,钱永莆.青藏高原地表热状况对东亚大气环流影响的数值模拟[J].高原气象,1989,8(3):205～215
[10] 刘永强,叶笃正,季劲均.土壤湿度和植被对气候的影响-1.短期气候持续异常性的理论分析[J]中国科学(B辑),1992,(4):441～448.
[11] 刘永强,叶笃正,季劲均.土壤湿度和植被对气候的影响-2.短期气候持续异常性的数值试验[J]中国科学(B辑),1992,(5):551 560.
[12] Barnnet T P, Dumenil L, Schlese U, et al.. The effect of Eurasian snow cover on region and global climate variations[J].J. Atmos Sci, 1989, 46:661-685.
[13] Vernekar A D, Zhou J, Shukla J. The effect of the Eurasian snow cover on the India monsoon[J]. J. Clim, 1995, 8:248- 266.
[14] Yasunari T, Kitoh A, Tokioka T. Local and remote responses to excessive snow mass over Eurasia appearing in the northern spring and summer climate-A study with the MRI - GCM[J]. J. Meteor Soc Japan, 1991, 69:473-487.
[15] 郑新江,许健民,李献州.夏季青藏高原水汽输送特征[J].高原气象,1997,16(3):274～281.
[16] 杨梅学,姚檀栋.古里雅冰芯中降水量与温度关系及其原因[J].冰川冻土,1999,21(2):141～144.
[17] 杨梅学,姚檀栋,上野健一.青藏高原唐古拉山北坡夏季风降水特征的初步分析[J].冰川冻土,1999,21(3):233～237.
[18] 张寅生,姚檀栋,蒲建辰,等.1997,青藏高原唐古拉山冬克玛底河流域水文过程特征分析[J].冰川冻土,19(3):214～221
[19] Chahine M T. The hydrological cycle and its influence on climate[J]. Nature, 1992, 359: 373 - 380.
[20] Numaguti A. Origin and recycling processes of precipitating water over the Eurasian continent: Experiments using an atmospheric general circulation model[J]. J. Geophys. Res.,1998, 104:1957 - 1972.
[21] 杨梅学,姚檀栋,勾晓华.青藏公路沿线土壤的冻融过程及水热分布特征[J].自然科学进展,2000,10(5):443～450
