[1]周小成,武法东,田明中,等.基于RS和GIS技术的坝上地区土地利用/覆盖动态监测[J].水土保持研究,2004,11(03):17-20.
　ZHOU Xiao-cheng,WU Fa-dong,TIAN Ming-zhong,et al.Study on Dynamic Monitoring Land Use/Cover Change in Bashang Area Based on RS and GIS Technique[J].Research of Soil and Water Conservation,2004,11(03):17-20.
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基于RS和GIS技术的坝上地区土地利用/覆盖动态监测

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 11 期数: 2004年03期 页码: 17-20 栏目: 出版日期: 1900-01-01
Title:
Study on Dynamic Monitoring Land Use/Cover Change in Bashang Area Based on RS and GIS Technique
作者:
周小成1,2, 武法东2, 田明中2, 田淑芳2
1. 福州大学福建省空间信息工程研究中心 福州 350002;
2. 中国地质大学(北京)地球科学与资源学院 北京 100083
Author(s):
ZHOU Xiao-cheng1,2, WU Fa-dong2, TIAN Ming-zhong2, TIAN Shu-fang2
1. Spatial Information Reserarch Center of Fujian Province, Fuzhou University, Fuzhou 350002, China;
2. Faculty of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China
关键词:
动态监测; 土地利用/覆盖变化(LUCC); RS、GIS技术; 坝上地区
Keywords:
dynamic monitoring; land use/cover change(LUCC); RS; GIS technique; Bashang area
分类号:
F301.24;TV79
摘要:
以1987年和1999年 TM遥感图像为数据源，在 ERDAS8.4遥感图像处理软件和Arc Info 8.02地理信息系统软件的支持下，获取了坝上研究区两期土地利用/覆盖图。在此过程中，提出和建立了研究区土地利用/覆盖遥感图像分类体系；通过计算机自动分类和分类后人工解译纠错相结合的图像分类提取方案，提高了图像分类提取的效率和精度。动态监测结果表明：从1987～1999年的12年期间，坝上地区土地利用/覆盖动态度由大到小的顺序为：居民建设用地>林地>高覆盖度草地>水体>沙盐碱地>低覆盖度草地>耕地。其中面积增加的是居民地、林地、高覆盖草地和耕地；面积减少的是沙盐碱地、水体和低覆盖度草地。从1987～1999年的12年期间，研究区的沙盐碱地面积从 1985.89 km2减少到1250.75 km2，减少了37.02%，年动态度为-3.08%。坝上东部沙漠化得到遏制，而西部张北、康保一带沙盐碱化土地有所扩展
Abstract:
The authors obtained two land use/cover plots that is supported by remote image process software ERDAS 8.4 and Geographic Information System(GIS)software Arcinfo 8.02 by taking TM data in 1987 and 1999.Classification system of land use/cover is established and a scheme taken in classification information of image by combining automatic classification of computer and post-classification of manual interpretation based on remote image is executed.The scheme,according to practice,improved efficiency and precision of classification of remote sensing image.The result,according to dynamic monitoring,is as follows.Land use dynamic degree from maximum to minimum in 1987 and 1999 is residential landwoodlandthick grasswaterdesert and salinathin grasscropland.Those increased types are residential land,woodland,thick grass and cropland;and those decreased are desert and salina,water and thin grass.The achievement of preventing and controlling desertification is remarkable in study area.According to Statistics,desertandsalina decreased from 1 985 km2 to (1250.75 km2),decreased by 37.02%.Dynamic degree of per year of desert and salina is-3.08%.Desert and salina land change,however,is not consistent in the east and west of study area.Desertification is being contained in east and enlarging in west.

参考文献/References:

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备注/Memo

收稿日期:2004-4-29;
基金项目:河北省国土资源厅项目支持
作者简介:周小成（1977- ），男，陕西渭南人，2003年6月毕业于中国地质大学（北京）第四纪地质学专业，获硕士学位，现为福州大学福建省空间信息工程研究中心助研，研究方向：遥感与地理信息系统应用与开发.

更新日期/Last Update: 1900-01-01