简介:西弗森是美国加州一名95岁的老妇人。2010年12月份的一天,她在家清理房间.当她翻开一叠纸的时候,一本书从里面掉了下来。她弯腰拾起来,发现是一本名叫《水上飞机独自飞》的书,再一看书页里的书签,她不禁大吃一惊.
简介:Dailymaximumrainfall(R1D)washigherintheJialingRiverbasin,theTaihuLakeareaandthemid-lowermainstreamsectionoftheYangtzeRiverbasininthe1990s,andtherewasagoodrelationshipbetweenECHAM5/MPI-OMmodelsimulationandtheobserveddataaboutextremeprecipitation(R1D).UndertheIPCCSRESA2,A1B,andB1scenarios,R1DsareallprojectedtobeinincreasingtrendsintheupperYangtzeRiverbasinduring2001-2050,andR1DshowsamoresignificantincreasingtendencyundertheA2scenariowhencomparedwiththeA1Bscenariobefore2020.WithrespecttothemiddleandlowerYangtzeRiverbasin,anincreasingtendencyisprojectedbefore2025,andsincethentheincreasingtendencywillbecomeinsignificant.TheremightbemorefloodstothesouthoftheYangtzeRiverandmoredroughtstothenorthinthenextdecades.