黄河流域内蒙古片水土流失遥感监测研究

doi:10.13826/j.cnki.cn65-1103/x.2003.02.015

Abstract

Abstract: Soil Erosion is the main land degradation in arid and sem-i arid regions. To control soil erosion is of significance for achieving a sustainable development of agriculture and animal husbandry. The Inner Mongolia area in the Yellow River watershed is located in its middle reaches, and has an area of 1.513×105 km² and population of 5.5962×106.It includes five main areas, i. e., the loess hilly-gully area, mountainous area, sanddrift area, arid steppe area, and plain area. In this paper, the data of soil erosion in the Inner Mongolia area in the Yellow River watershed are obtained based on the remote sensing images and other data by using the software of ARC/INFO contained in GIS and the ERDAS software of RS. The results show that the wind erosion and water erosion in Inner Mongolia are still serious, the proportions of the former and the latter are 48. 76% and 24.32% respectively. Comparing with the data collected in 1990, the area of soil erosion and its intensity are reduced. However, both soil erosion control and destruction exist currently. Soil erosion occurs mainly in the loess hilly-gully areas and the sand-drift areas, and these areas are the main regions of water and soil conservation. It is suggested to take the suitable measures for controlling soil erosion in the wind-erosion areas and the water-erosion areas.

Key words: RS, GIS, the Inner Mongolia area, the Yellow River watershed, soil erosion

CLC Number:

TP79

LI Zhong-feng, WANG Yan-li, Wang Yi-mou, FENG Yu-sun, WANG Jian-hua, MA An-qing. Application of RS in Surcey of Soil Erosion in the Inner Mongolia Area in the Yellow River Watershed[J].Arid Land Geography, 2003, 26(2): 180-184.

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Application of RS in Surcey of Soil Erosion in the Inner Mongolia Area in the Yellow River Watershed

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