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- W2394305710 abstract "Change detection was a technique which was used to determine the change information between two or more time periods of a particular object of the study area.Because of the advantages of macroscopic information, timeliness,periodicity and comprehensive nature,remote sensing has been popular in land use study.The land use change can be monitored quickly,objectively and precisely.In this paper,detailed introduction about the classification process of land use in Guangzhou is gaven a supported by RS and GIS software using the data of Landsat TM of 1997 and 2003.After being geometric corrected,subseted and enhanced,the images are classified into 9 classes as farmland,orchard,forest,disk-pond,urban and rural land,developing area,river,lake and unused land by using maximum likelihood classifier.The total classification accuracy was 85.4%for 2003 and 87.2%for 1997 respectively.And then the mathematic method is used to analyze the change of land use by the conversion matrix of land use between 1997 and 2003.Through the above analysis,the article draws the following conclusions:1)In 2003,the areas of orchard,forest land and rural land have higher percentage than the others in Guangzhou.And the areas of 9 types of land use are distributed unevenly in all the regions with obvious difference. 2)The characteristic of the change on the structure of land use in Guangzhou from 1997 to 2003 is that the change of farmland and forest land is not obvious while area of disk-pond and unused land decreases,orchard and that of urban and rural land and newly development zone increases.3)The change rate of newly development zone and urban and rural land is the highest followed by orchard and pond.4)Regional difference in land use change is obvious,and displays a dissimilar transformation situation for each type of the land use in space." @default.
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- W2394305710 date "2009-01-01" @default.
- W2394305710 modified "2023-09-25" @default.
- W2394305710 title "The Dynamic Monitoring of Land Use Change in Guangzhou Based on RS and GIS" @default.
- W2394305710 hasPublicationYear "2009" @default.
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