SnowCoverintheNorthernHemisphere(December2008)NorthernHemisphereDuringDecember2008,thetotalareaofsnowcoverwasobviouslysmallerthannormalinthenorthernhemisphere,EurasiaandNorthAmerica(Fig.l).Forthemonth,thenumberofdayswithsnowcover(NDSC)wasmorethan25daysinnorthernEurope,northernAsia,north-easternTibetinChina,theGreenlandIsland,northernNorthAmerica.NDSCwas5〜20dayslessthannormalincentralandsoutheasternEurope,northernCentral-Asia,partsofeasternMongolia,partsofwesternTibetandnorthernXijianginChina,locationsofNortheastChinaandnorthwesternAmerica,withover20dayslessthannormalinlocations.Meanwhile,NDSCwas5-15daysmorethannormalineasternTibetPlateauandnortheastern---本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除---5432101234567400400052007200320022000200520072085432101234567Fig.lRegionalSnowCoverAnomalyIndices(Unit:106km2)(a)NorthernHemisphere(b)Eurasia(c)NorthAmerica---本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除---America(Fig.2).numberofdayswithsnowcoverintheNorthernHemisphere2008/12MonthlyAnomaly---本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除------本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除---ClimateDiagnosticsandPredictionDivision/NCC/CMAFig.2NumberofDayswithSnowCover(left)andAnomalies(right)intheNorthernHemisphereduringNovember2008(Unit:day)---本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除------本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除------本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除---China1999200020012002200320042005200620072008"3°19992000200120022003200420052006200720081999200020012002200320042005200620072008Fig.3RegionalSnowCoverAnomalyIndices(Unit:104km2)(a)China(b)TibetanPlateau(c)NorthernXinjiang(d)NortheastChinaDuringDecember,thetotalareaofsnowcoverwassmallerthannormalinChina,withareassmallerinalloftheTibetanPlateau,northernXinjiangandNortheastChina(Fig.3).Forthemonth,thenumberofdayswithsnowcover(NDSC)wasover20daysinnorthernXinjiang,easternTibet,easternInnMongoliaandnortheasternNortheastChina・NDSCwas5〜10dayslessthannormalinpartsofnorthernXinjiang,westernTibet,locationsoftheNortheastChinaandtheNorthChina.Meanwhile,NDSCwas5〜10daysmorethannormalinpartsofwesternXinjiangandnortheasternTibet(Fig.4).---本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除---Remark:Originaldataarefromhttp://www.cgncep.noaa.2ov/data/snow/.Analyst:ClimateSystemDiagnosticsandPredictionDivision/NationalClimateCenter/CMAClimatologicfieldsarefromthe1973-2002baseperiodmeans.Reference[l]GuoYanjun,LiWei,ChenQianjin,AnOperationalMonitoringandDiagnosingSystemforSnowCoverintheNorthernHemisphere(inChinese),MeteorologicalMonthly,30(11):24-26---本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除---Fig.4NumberofDayswithSnowCover(left)andAnomalies(right)inChinaduringNovember2008(Unit:day)siston»a>i
