第48卷第4期202.3年7月D0I:10.19750/j.cnki.1001-9499.2023.04.012林业科技FORESTRYSCIENCE&TECHNOLOGYVol.48No.4Jul.2023黑龙江省草原火时空分布*魏云敏1孙家宝1*袁强2（1.黑龙江省森林保护研究所，黑龙江哈尔滨150081；2.东北农业大学，黑龙江哈尔滨150040）摘要：本文主要以AQUAMODIS卫星遥感影像为主要数据源，应用地理信息数据分析技术对黑龙江省2002~2017年草原火发生时间和空间变化进行分析，结果表明：从季节尺度变化分析，春季是黑龙江省草原火的高发期，过火面积最大，变化范围为105.00~30130.25km²，秋季次之，夏季草原过火面积较春季和秋季都小，变化范围为17.00~1744.75km²；全省年际草原火面积平均为(9374.17±9812.97)km²，变化范围为1603.25~33515.75km²,存在极显著增加趋势；从空间分布可见，春季、夏季和秋季火点集中分布区域均在松嫩平原草原区齐齐哈尔和大庆。关键词：遥感影像；草原火；时空分布中图分类号：S762.3文献标识码：A文章编号：1001-9499(2023)04-0050-05TemporalandSpatialDistributionofGrasslandfiresinHeilongjiangProvinceWEIYunmin'SUNJiabaol1**YUANQiang2(HeilongjiangForestProtectionInstitue,HeilongjiangHarbin150081)AbstractInthispaper,AQUAMODISsatelliteremotesensingimagewasusedasthemaindatasource,andgeographicinformationdataanalysistechnologywasusedtoanalyzethetemporalandspatialchangesofgrasslandfireoccurrenceinHeilongjiangProvincefrom2002to2017.Theresultsshowedthat:fromtheanalysisofseasonalscalevariation,springwasthemostfrequentperiodofgrasslandfireinHeilongjiangProvince,withthelargestburningareaintherangeof105.00-30130.25km²,followedbyautumn.Summergrasslandfireareawassmallerthanspringandautumn,withtherangeof17.00-1744.75km².Theaverageannualgrasslandfireareaofthewholeprovincewas9374.17±9812.97km²,andthevariationrangewas1603.25-33515.75km?withanextremelysignificantincreasingtrend.Itcouldbeseenfromthespatialdistributionthattheconcentrateddistributionareasoffirepointsinspring,summerandautumnwereQiqiharandDaqinginSongnenplain.KeywordsHeilongjiangprovince;grasslandfire;temporalandspatialdistribution草原火灾是一种突发性的自然灾害,其破坏性大，给草原地区的经济发展、社会安定带来巨大影收稿日期：2022-12-2...
