预览加载中，请您耐心等待几秒...

一种基于多源多时相遥感信息的城市水稻田分布提取方法.docx

预览
1/4
2/4
3/4
4/4

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

一种基于多源多时相遥感信息的城市水稻田分布提取方法 Abstract Riceisoneofthemostimportantcropsintheworld,withasignificantcontributiontowardsthefoodsecurityofmanycountries.Mappingthedistributionofricefieldsinacitycanprovidevaluableinformationforagriculturalplanningandmanagement.Inrecentyears,remotesensingtechnologyhasshowngreatpotentialforextractingricefieldinformation.However,duetothecomplexityofurbanlandscapesandthevariabilityinricegrowthstages,itremainsachallengetoaccuratelymapricefieldsusingremotesensingdata.Inthispaper,weproposeamulti-sourceandmulti-temporalremotesensing-basedmethodtomapricefieldsinurbanareas.TheproposedmethodintegratesLandsat,Sentinel-2,andGoogleEarthimagery,aswellasclimatedataandtopographicinformation.Theresultsshowthattheproposedmethodcanaccuratelyidentifyricefieldswithanoverallaccuracyof92.7%andaKappacoefficientof0.91. Keywords:ricefields,remotesensing,urbanareas,multi-source,multi-temporal Introduction Rice(Oryzasativa)isastaplecropthatiswidelygrowninmanypartsoftheworld,especiallyinAsia.Itprovidesfoodforabouthalfoftheglobalpopulationandplaysacrucialroleinthefoodsecurityofmanycountries.Ricecultivationhasasignificantimpactontheenvironment,includinglandusechanges,waterusage,andgreenhousegasemissions.Therefore,itisimportanttomonitorandmanagericefieldsforsustainableagricultureandenvironmentalconservation. Remotesensingtechnologyprovidesaneffectivemeanstomonitorandmanagericefields.Remotesensingdatacanprovideinformationoncropphenology,biomass,andyield,aswellassoilmoisture,temperature,andnutrientcontent.Inrecentyears,theuseofremotesensingdataformappingricefieldshasbecomeincreasinglypopular.However,itremainschallengingtoaccuratelymapricefieldsinurbanareasduetothecomplexityofurbanlandscapesandthevariabilityinricegrowthstages. Inthispaper,weproposeamulti-sourceandmulti-temporalremotesensing-basedmethodtomapricefieldsinurbanareas.TheproposedmethodintegratesLandsat,Sentinel-2,andGoogleEarthimagery,aswellasclimatedataandtopographicinformation.ThemethodwasappliedtothecityofWuhaninC