预览加载中，请您耐心等待几秒...

基于降水Z指数的朝鲜降水及旱涝时空特征.docx

预览
1/3
2/3
3/3

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

基于降水Z指数的朝鲜降水及旱涝时空特征 Title:SpatialandTemporalCharacteristicsofNorthKoreanPrecipitationandDrought/FloodbasedonZIndex Abstract: Thestudyaimstoinvestigatethespatialandtemporalcharacteristicsofprecipitationanddrought/floodinNorthKoreausingtheZIndexasareliableindicator.TheanalysisisbasedonhistoricalprecipitationdatacollectedfrommeteorologicalstationsacrossNorthKoreaforaspecifiedperiod.Theresearchshedslightonunderstandingthepatternsandtrendsofrainfallandtheoccurrenceofdroughtsandfloodsintheregion,therebycontributingtoeffectivewaterresourcemanagementanddisastermitigationstrategies. 1.Introduction: NorthKorea,locatedintheEastAsianmonsoonregion,experiencesremarkablechangesinprecipitationpatterns,leadingtodroughtsandfloods.Understandingthespatialandtemporalvariabilityofprecipitationandassociateddroughtsandfloodsiscriticalforsustainablewaterresourcemanagementandagriculturalplanning.TheZIndex,widelyusedindroughtassessments,providesareliabletoolforquantifyingandanalyzingthesecharacteristics. 2.Methods: 2.1DataCollection: HistoricalprecipitationdatafrommeteorologicalstationsacrossNorthKoreawerecollectedforaspecifiedperiod.Thedataincludedaily,monthly,andannualprecipitationmeasurements,enablingacomprehensiveanalysisofprecipitationpatterns. 2.2CalculationofZIndex: TheZIndexiscalculatedbasedonthestandardizeddepartureofprecipitationfromitslong-termaverage.Thisindexrepresentstheconditionofdroughtorwetnessinaregionrelativetoitshistoricalpatterns.AnegativeZIndexindicatesdryconditions(drought),whilepositivevaluesindicatewetconditions(flood). 3.Results: 3.1SpatialDistribution: ThespatialdistributionoftheZIndexprovidesinsightsintothevariationsofprecipitationacrossNorthKorea.Ingeneral,thesouthwesternregionexperienceshigherprecipitation,resultinginapositiveZIndex,indicatingwetconditions.Conversely,thenortheasternregiontendstohavelowerprecipitation,contributingtoanegativeZIndexandindicatingdryconditions. 3.2TemporalVariability: ThetemporalvariabilityoftheZIndexprovidesinformationontheinterannua