Spatial and Temporal Variability of Landuse and Soil Erosion in Yan'an City

ZHUO Jing; LIU An-lin; DENG Feng-dong

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Spatial and Temporal Variability of Landuse and Soil Erosion in Yan'an City

- Spatial and Temporal Variability of Landuse and Soil Erosion in Yan'an City
- Bulletin of Soiland Water Conservation Vol. 27, Issue 3, Pages: 148-151(2008)
- 作者机构：
  
  1. 西北大学城市与资源学系,陕西,西安,710127
  2. 陕西省农业遥感信息中心,陕西,西安,710014
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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ZHUO Jing, LIU An-lin, DENG Feng-dong. Spatial and Temporal Variability of Landuse and Soil Erosion in Yan'an City[J]. Bulletin of Soiland Water Conservation, 2008, 27(3): 148-151.
DOI：

ZHUO Jing, LIU An-lin, DENG Feng-dong. Spatial and Temporal Variability of Landuse and Soil Erosion in Yan'an City[J]. Bulletin of Soiland Water Conservation, 2008, 27(3): 148-151. DOI：

摘要

以TM影像为数据源

动态监测了延安市宝塔区1997

2004年的土地利用、土壤侵蚀的时空变化

并对该变化进行了分析。结果表明

宝塔区土壤侵蚀主要发生在耕地、林地、草地、果园这4种土地利用类型中;1997—2004年期间

宝塔区耕地面积大幅减少

林地、草地面积有所增加

土壤侵蚀面积减少

侵蚀等级下降。总体上来说

延安市土地利用和土壤侵蚀状况都是向良性循环发展的。

Abstract

In order to dynamically monitor soil erosion and determine the relationship between landuse and soil erosion in Baota District of Yan'an City

an analysis was performed using the data from TM images in the two periods of 1997 and 2004.Results show that soil erosion occurred in cultivated land

forestland

grassland

and orchard.The area of cultivated land decreased and the areas of woodland

grassland

and orchard increased from 1997 to 2004.The area of soil erosion decreased and its grade descended.Generally speaking

landuse and soil erosion control in the study area develop towards a good direction.

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