Landuse Changes Based on CBERS Data in Lower Reaches of Yanhe River in the Loess Plateau of China

Wei Jianjun; Li Xinping; Yang Qinke; Liang Wei

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Landuse Changes Based on CBERS Data in Lower Reaches of Yanhe River in the Loess Plateau of China

- Landuse Changes Based on CBERS Data in Lower Reaches of Yanhe River in the Loess Plateau of China
- Bulletin of Soiland Water Conservation Vol. 26, Issue 2, Pages: 87-90(2007)
- 作者机构：
  
  1. 西北农林科技大学资源与环境学院, 陕西杨凌,712100
  2. 中国科学院水利部水土保持研究所, 陕西杨凌,712100
- 作者简介：
- 基金信息：
- DOI：
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- Published：2007
- 稿件说明：
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Wei Jianjun, Li Xinping, Yang Qinke, et al. Landuse Changes Based on CBERS Data in Lower Reaches of Yanhe River in the Loess Plateau of China[J]. Bulletin of Soiland Water Conservation, 2007, 26(2): 87-90.
DOI：

Wei Jianjun, Li Xinping, Yang Qinke, et al. Landuse Changes Based on CBERS Data in Lower Reaches of Yanhe River in the Loess Plateau of China[J]. Bulletin of Soiland Water Conservation, 2007, 26(2): 87-90. DOI：

摘要

随着退耕还林草政策的实施

我国的退耕还林工程取得了很大的成效。利用中巴卫星数据CBERS对陕北延河流域下游近10a的土地利用变化进行动态监测

并对其空间结构的变化进行了量化。研究结果表明

延河下河地区林地面积增加了8%

草地增加了20%

耕地减少了38%

并且有1.03%的耕地变为林地

57.49%的耕地变为草地。实现了对区域生态环境变化的动态监测

为黄土丘陵地区退耕还林还草、生态环境调查及动态监测提供了可行的方法。

Abstract

With the implementation of the policy of converting slope farmland into forest and grassland

the project has achieved great successes in China. Satellite data of CBERS are used to monitor landuse change for nearly 10 years in the lower reaches of Yanhe River in northern Shaanxi Province

and the change in the spatial st ructure are quantified as well. Result s show that forest was increased by 8 %

grassland was increased by 20%

and farmland was decreased by 38%. 1.03% of farmland was converted into woodland

and 57.49% of farmland

into grassland. Dynamic monitoring of changes in the region’s ecological environment has been achieved

and a viable way to monitor and survey ecological environment and converting slope farmland into forest and grassland in the loess hilly and gully area has been provided.

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