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25 July 2007 Discussion on the application of 3S technology in soil and water conservation project
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Soil and water conservation project in the loess plateau of China is focus on improving its feasibility with new technology. This paper discussed on the application of "3S" technology in a soil and water conservation project of selected small watershed of Jingjiahe, Loess plateau. The research presents an approach to apply RUSLE to quantify soil and water loss by the help of "3S" technology, the suitability evaluation for each piece of land is implemented with the assessment indices. Finally, according to the nature condition and economic development trend, by accomplishing the analysis of the comprehensive control benefits for the small watershed, establishing rational land use pattern. Through five years construction of soil and water conservation, the controlling soil erosion area up to 2369.98 hectares, harnessed degree reaches 80.66%, the per capita net income will float up from yen 944.72 to yen 1049.75, the annual preserved area of endangered soil will be 90,000t with the efficiency increased by more than 22%, eventually the soil and water loss shall be well under control. This indicates that "3S" technology make the work more cost-effective, more efficient and more reliable taking into account the precise data which are processed in the planning.
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Fen Qin, Sujie Hu, Yanan Wang, and Fuping Tang "Discussion on the application of 3S technology in soil and water conservation project", Proc. SPIE 6753, Geoinformatics 2007: Geospatial Information Science, 675336 (25 July 2007);

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