简介:在干旱—半干旱地区,陆地水是经济社会发展的重要水源。本文利用高斯平滑滤波处理的2002—2015年逐月GRACE卫星时变重力场数据,反演了西北地区陆地水储量变化。结果表明:在时间上,西北地区陆地水储量总体呈现下降趋势,每月减少0.014cm,相当于每年减少53.5亿m3。在空间上,2002—2015年间陆地水储量减少区域约为224万km2,增加区域约为106万km2。各地区陆地水储量呈现明显的季节变化,7月达到年内最大值,陆地水储量处于盈余状态;冬、春季节为年内的低值区,陆地水储量处于亏损状态;陆地水储量的变化与降雨季节变化一致,表明西北地区降水是最重要的陆地水来源。
简介:The2002Sino-AfricanSHPTrainingWorkshopwasheldfrom10Mayto18June2002atHangzhouRegionalCenterforSmallHydroPower(HRC).Attendedaltogether9participantsfrom5Africancountries,i.e.Burundi,Nigeria,SouthAfrican,TanzaniaandTunisia.ThisisthesecondtrainingworkshoponSHPthatHRCconductedforAfricancountries.
简介:IampleasedtobeheretogiveanopeningaddresstothisimportanttrainingworkshopspeciallydesignatedforourAfricanfriends,whichshowsthesincerefriendshipbetweenChinaandAfricancountries.I'dalso,togetherwithourDirectorDr.Chen,expressmycongratulationstoyouforyourparticipationintheworkshop.
简介:SponsoredbytheUNandChina,HangzhouRegionalCenterforSHP(HRC)aimsatpromotingtheSHPdevelopmentintheworld.ChinahasmostSHPstationsandhasgainedmuchexperienceinSHPdevelopment.InordertodisseminateSHPtechnology,HRChasalreadyheldwithsuccess34trainingworkshopsfor589participantsfrom60countries.
简介:SponsoredbytheUNandChina,HangzhouRegionalCenterforSHP(HRC)aimsatpromotingtheSHPdevelopmentintheworld.ChinahasmostSHPstationsandhasgainedmuchexperienceinSHPdevelopment.InordertodisseminateSHPteehnology,HRChasalreadyheldwithsuccess34trainingworkshopsfor580participantsfrom60countries.
简介:飞鸿送喜讯,春风传佳音。2012年,《南水北调与水利科技》如约而来。在您的关心和支持下,《南水北调与水利科技》入编《中文核心期刊要目总览》2011年版(第六版)之水利工程类的核心期刊。