157赵鹏程等基于GEE的典型草原城市建筑用地与植被的热岛强度研究…第2期第42卷第2期2023年4月内蒙古工业大学学报(自然科学版)JournalofInnerMongoliaUniversityofTechnology(NaturalScienceEdition)Vol.42No.2Apr.2023文章编号:1001-5167(2023)02-0157-06基于GEE的典型草原城市建筑用地与植被的热岛强度研究——以锡林浩特市为例赵鹏程,李素英,郑宁,孙燕佳,潘心悦,王鑫厅,常英(内蒙古工业大学能源与动力工程学院,呼和浩特010051)Studyonheatislandintensityoftypicalsteppecity’sbuilt-uplandandvegetationbasedonGEE:acasestudyofXilinhotcityZHAOPengcheng,LISuying,ZHENGNing,SUNYanjia,PANXinyue,WANGXinting,CHANGYing收稿日期:2022-08-26基金项目:国家自然科学基金项目(32060251);内蒙古自治区自然科学基金项目(2020MS03078)第一作者:赵鹏程(1996—),男,硕士研究生,主要从事环境科学方面的研究。E-mail:zpcontheway@163.com通信作者:李素英(1970—),女,博士,主要从事草地遥感方面的研究。E-mail:lisuying70@aliyun.com(SchoolofEnergyandPowerEngineering,InnerMongoliaUniversityofTechnology,Hohhot010051,China)Abstract:Inordertostudythespatio-temporalcharacteristicsofheatislandintensityinthetypicalsteppecityofmediumscale,Xilinhotcitywaschosenastheresearchobject,whoseLandsat8remotesensingimagesfrom2013to2020wereusedtoretrievethelandsurfacetemperaturebasedonGoogleEarthEngine(GEE)cloudplatform.Randomforestmethodwasusedtoclassifysuburbanlanduseandcalculateurbanheatislandintensity.Theresultsshowthat:theinter-annualvariationtrendoflandsurfacetemperatureofbuilt-uplandandvegetationisgenerallysimilar,andtheincreaseoflandsurfacetemperatureinsuburbanareasislargerthanthatinurbanareas.TheurbanheatislandintensityofXilinhotwasnegativefrom2013to2020(coldislandeffect).Theheatislandintensityofbuilt-uplandinsuburbanareashasnosignificantimpactontheoverallurbanheatislandintensity,whiletheheatislandintensityofvegetationinsuburbanareashasasignificantpositiveimpactontheoverallurbanheatislandintensity.Thevegetationheatislandintensitywashigherthanthebuildingheatislandintensityfrom2013to2020.Keywords:thetypicalsteppe;...