岔路河特色农业经济开发区水土流失研究

Soil Erosion Research of the Characteristic Agricultural Economic Development Zone of Chalube

应用修正过的通用土壤流失方程USLE,在遥感(RS)和地理信息系统(GIS)技术的支持下,确定了吉林省永吉县岔路河特色农业经济开发区的降雨因子、土壤侵蚀因子、坡度坡长因子和植被覆盖因子,估算了这一地区的水土流失模数。通过对这一地区各种土地利用类型进行水土流失分析,提出了保持该地区水土及促进该地区特色农业可持续发展的相应措施。

With the technical support of Remote Sense（RS） and Geographic Information System（GIS） , the rainfall factor,soil erosion factor, slope and length factor and vegetation coverage factor of the characteristic agricultural economic development zone of Chaluhe of Yongji of Jilin Province were accurately estimated and the relationships among those factors were discussed, then, a revised Universal Soil Loss Equation（USLE） was used to calculate the soil erosion modulus of that zone. Through the analysis of every types of land use, the result shows that the quantities of soil erosion in that zone is not so high, then some measures and advice are proposed to promote the development of characteristic agriculture of that zone, based on the theory of sustainable development.