基于mm5与calmet相结合的江苏风能资源模拟与评估

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1、AbstractWindenergyisallinexhaustiblesupplyofgreenenergy,whichiswidespreadconcernedaroundtheworld．Atpresent,Chinahasbecomethesecondlargestenergyconsumerintheworld．Rationaldevelopmentandutilizationofwindresourcesisofvitalimportancetotheenvironmentalprotection

2、andsustainabledevelopmentofeconomy．Asthemajorofcleanenergy,thewindenergyindustrydevelopmentmustbebuildonthebasisofwindenergyresourceassessment．ByUSingMM5andMM5／CALMETcoupledmodelwhichbasedonreanalysisdataofNCEP／NCARfromMay1st，2009toApril30th，2010，soundingan

3、dsurfaceobservationdataofMicapsinJiangsuarea,numericalmodelingthewindenergyinthisarea．MM5／CALM匣Tcoupledmodelismuchmoreaccurateandpreciseinnumericalmodelingthewindenergy．1)TherelativeerrorbetweenannualaveragewindspeedwhichsimulatedbyⅣ【M5／CALMETcoupledmodelan

4、dobservedwindspeedatheightof70metersis12．7％，whichhas3．4percentagepointslowerthanMM5；2)InfluencesofsurfaceconditionsonwindspeedismoresignificantinMM5／CALMETcoupledmodel；3)The仔equencyofwinddirectionandwindpowerdensitydirectionsimulatedbyMM5／CALMETcoupledmodel

5、ismoreconsistentwithobservationdata．InthesimulationresuItsareevaluatedbasedontheuseMM5／CALMETsimulationresultswiththeprogram，JiangsuProvince，ananalyticalassessmentofwindresources，thespecificdistributioncharacteristics，1)distributionofwindenergyresourcesinJi

6、angsuProvinceshowedadecreasingstatefromeasttowest，coastalwindenergydensitySignificantlyhigherthaninlandareas，TaiLakeandHongzeLakeandotherlargeinlandwaterareaisthemostabundantwindresourcesoftheregion；2)，JiangsuProvince，theincreaseinwindenergydensityincreases

7、withaltitude，inthe70mheight,HongzcLakeandotherlargewaterareaswindenergydensityinthe300—。350W·m-2betweenthecoastalwindenergydensityinthe390W·m一2above，whichLianyungang，NantongQidongandcoastalwindenergydensityof450W·m-2above，Canbeusedasthemainuseofregionalwind

8、energyresources．3)ThedistributionofJiangsuProvince，withseasonalchangesinwindobviously,thehighestdensityinwinterwind，seaandlandsignificantlydifferent,thebasicwindenergydensityintheprovince170W·m-2above，