黄河源区径流对气候变化的响应及未来趋势(英文)

编号 zgly0001585781

文献类型 期刊论文

文献题名 黄河源区径流对气候变化的响应及未来趋势(英文)

作者 李林  申红艳  戴升  肖建设  时兴合 

作者单位 QinghaiClimateCentre  QinghaiKeyLaboratoryofDisasterPreventionandReduction 

母体文献 Journal of Geographical Sciences 

年卷期 2012年03期

年份 2012 

分类号 P461 

关键词 climatechange  surfacewaterresource  monsoon  frozensoil  climatemodel  sourceregionoftheYel-lowRiver 

文摘内容 This study examines the hydrological and meteorological data of the source region of the Yellow River from 1956 to 2010 and future climate scenarios from regional climate model (PRECIS) during 2010-2020. Through analyzing the flow variations and revealing the climate causes, it predicts the variation trend for future flows. It is found that the annual mean flow showed a decreasing trend in recent 50 years in the source region of the Yellow River with quasi-periods of 5a, 8a, 15a, 22a and 42a; the weakened South China Sea summer monsoon induced precipitation decrease, as well as evaporation increase and frozen soil degeneration in the scenario of global warming are the climate factors, which have caused flow decrease. Based on the regional climate model PRECIS prediction, the flows in the source region of the Yellow River are likely to decrease generally in the next 20 years.