Utilizing Landsat TM Imagery to Map Greenhouses in Qingzhou, Shandong Province, China

查看全文 作　　者：ZHAOGeng-[5]Xing;[1]LIJing;[2]LITao;YUEYu-[3]De;[4]T.WARNER

机构地区：[1]CollegeofResourcesandEnvironment,ShandongAgriculturalUniversity,Tai'an271018(China);[2]SoilandFertilizerWorkingStationofShandong,Jinan250100(China);[3]AgricultureBureauofQingzhouCity,Qingzhou262500(China);[4]DepartmentofGeologyandGeography,WestVirginiaUniversity,Morgantown,WV26505-6300(USA);[5]CollegeofResourcesandEnvironment,ShandongAgriculturalUniversity,Tai'an271018(China)

出　　处：《Pedosphere》索引2004年第14卷第3期,共7页

基　　金：Project supported by the Chinese Ministry of Education (No. [2002] 247). 摘　　要：To build a rapid and accurate method for greenhouse vegetable land information extraction using an index model derived from TM digital data of Qingzhou City, Shandong Province, based on a systematic analysis of the spectral characteristics of different land use types in the study area, a subset of the image was first made to eliminate the mountainous region not associated with vegetable distribution, and then water body pixels were masked. With this the V1 index model for greenhouse vegetable land extraction was developed. The index model indicated greenhouse vegetable land for Qingzhou in April 2002 was concentrated in the southeast and around rural residential areas. Field data used for an accuracy evaluation showed that greenhouse hectares determined with remote sensing were 95.9% accurate, and accuracy for the spatial distribution of greenhouse vegetable land cross checked with a random sample was 96.3%. Therefore, this approach provided an effective method for greenhouse vegetable land information extraction and has potential significance for management of greenhouse vegetable production in the study area, as well as North China. 关键词：温室蔬菜产量信息抽样青州市农业管理

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Utilizing Landsat TM Imagery to Map Greenhouses in Qingzhou, Shandong Province, China

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