| Study on dynamic monitoring of land use change in Huangling County based on TM remote image |
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| DOI：10.7606/j.issn.1000-7601.2008.03.48 |
| Key Words: Huangling County land use remote sensing dynamic monitoring |
| Author Name | Affiliation | | WU Qin | College of Resources and Environment Northwest A ＆ F University,Yangling, Shaanxi 712100,China；Office of Flood Control and Drought Relief Headquarter in Chifeng City,Chifeng 024005,China | | CHANG Qingrui | Office of Flood Control and Drought Relief Headquarter in Chifeng City,Chifeng 024005,China | | LI U Mengyun | Office of Flood Control and Drought Relief Headquarter in Chifeng City,Chifeng 024005,China | | XUE Aliang | Office of Flood Control and Drought Relief Headquarter in Chifeng City,Chifeng 024005,China | | WANG Decai | Office of Flood Control and Drought Relief Headquarter in Chifeng City,Chifeng 024005,China |
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| Abstract: |
| Based on two phases Landsat TM images of 1987 and 2002 as theinfor mation sources and using a classification method that combined computer automatic recognition and GIS spatial analysis the land use infor mation and dynamic change of Huangling County in different periods was extracted ．The result indicated that the area of woodland and grassland with thelarge area in the same ti me forest with a high coverage and woodland contributes more than 70％ of the total land area and arable land contributes a low proportion which was less than 7％ in the study area ．From 1987 to 2002 the area of arable land and grassland reduced obviously garden plot increased obviously in the meanti me. The woodland and residential paints areaincreased slightly. Among them the arable land covers the most of the changed area which reduced by 111．13 km2. The change rate of garden plot is the biggest which achieved 329．44％. |
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