[1]张少伟,杨勤科,任宗萍,等.江西省赣南地区土地利用动态分析[J].水土保持研究,2011,18(02):53-56,65.
　ZHANG Shao-wei,YANG Qin-ke,REN Zong-ping,et al.Dynamic Analysis of Land Use in Ganzhou, Jiangxi Province[J].Research of Soil and Water Conservation,2011,18(02):53-56,65.
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江西省赣南地区土地利用动态分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 18 期数: 2011年02期 页码: 53-56,65 栏目: 出版日期: 2011-04-20
Title:
Dynamic Analysis of Land Use in Ganzhou, Jiangxi Province
作者:
张少伟1, 杨勤科2,1, 任宗萍3, 刘红艳3, 李俊3, 陆广勇1
1. 中国科学院 水利部 水土保持研究所, 陕西 杨凌 712100;
2. 西北大学 城市与 环境学院, 西安 710069;
3. 西北农林科技大学 资源环境学院, 陕西 杨凌 712100
Author(s):
ZHANG Shao-wei1, YANG Qin-ke2,1, REN Zong-ping3, LIU Hong-yan3, LI Jun3, LU Guang-yong1
1. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China;
2. College of Urban And Environmental Science, Northwest University, Xi’an, 710069, China;
3. College of Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
关键词:
遥感; 土地利用; 地形格局; 土壤侵蚀
Keywords:
remote sensing; land use; terrain pattern; soil erosion
分类号:
F301.24;TP79
摘要:
使用江西省赣南地区1980年、1998年、2008年三期遥感影像，运用计算机分类方法，配合实地考察和文字资料提取了改革开放初期、20世纪末和当前的土地利用图。将数字高程模型（DEM）作为地形表达数据基础，对改革开放30年来赣南地区的土地利用分布、变化和地形格局进行分析，并根据水利部土壤侵蚀分级标准（SL190-2007）进行了土壤侵蚀评价。结果表明：赣南地区30年间居民地、果园增长快速，土地综合利用程度不断提高；草地大量转化为林地类型，提高了植被覆盖度；耕地在平地上的变化非常剧烈，陡坡耕地减少，耕地总量有所减少。草地向林地的转化在各种地形上均有发生，但25°；附近的低山丘陵地区最为强烈。随着土地利用的变化，赣南地区的土壤侵蚀程度得到控制，2008年中度及以上侵蚀面积小于14%。
Abstract:
Based on the remote sensing images in 1980, 1998 and 2008, land use information of Ganzhou in Jiangxi Province was firstly interpreted through method of computer-assistant classification in the paper. The information represents circumstances corresponding to the three periods: the initial stage of the Reform Opens, the end of 20th century and the present. With Digital Elevation Model (10 m resolution) applied to represent terrain, then, land use, land use change and its terrain pattern in Ganzhou during the 30 years were analyzed, meanwhile, soil erosion was also evaluated via Standards For Classification and Gradation of Soil Erosion(SL190-2007). Results show that the rapid growth of residential and garden land enhanced the land use intensity. Vegetation coverage increased quickly since large area changed from grass land to forest. This transformation was intense, and its extreme case appeared in the place where slope was around 20 degrees, i.e. low mountain and hillock. Farmland with steep slope decreased, whereas, farmland in flat ground increased accordingly. Consequently, the total quantity of cultivated land reduced a little. Fortunately, with the land use changing, the soil erosion intensity was under control, the area with the soil erosion grade of moderate and above was less than 14% in 2008.

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备注/Memo

收稿日期:2010-9-8;改回日期:2010-11-12。
基金项目:水土保持措施调控鄱阳湖径流泥沙研究技术研究（区域侵蚀模型研究）（200801066）
作者简介:张少伟（1985- ），男，陕西省户县人，研究生在读，主要从事基于GIS的区域水土流失研究。E-mail：swei_117@yahoo.com.cn
通讯作者:杨勤科（1962- ），男，陕西省陇县人，教授，博士，主要从事基于GIS的区域水土流失研究。E-mail：qkyang@nwu.edu.cn

更新日期/Last Update: 1900-01-01