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Discussion on the application of '3S' technology in soil and water conservation project

机译：关于“3S”技术在水土保持项目中的应用探讨

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摘要

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, harnesseddegree reaches 80.66%, the per capita net income will float up from ￥ 944.72 to ￥ 1049.75, the annual preserved area ofendangered 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.
机译：中国黄土高原土壤和水资源保护项目专注于提高其与新技术的可行性。本文讨论了“3S”技术在黄土高原精选小水土保持项目中的应用。该研究提出了一种方法来施加风险，通过“3S”技术，通过“3S”技术的帮助来量化土壤和水分损失，根据自然条件和经济发展趋势，通过评估指标实施每块土地的适当性评价，依据实现对小流域综合控制益处的分析，建立理性土地利用模式。通过五年的水土保持建设，控制土壤侵蚀面积高达2369.98公顷，利克德德雷达到80.66％，人均净收入将从944.72至1049.75日元浮动到¥1049.75，每年保存的地区的土壤将为90,000t效率增加了22％以上，最终土壤和水分损失应得到很好的控制。这表明“3S”技术使工作更具成本效益，更高效，更加可靠地考虑到规划中处理的精确数据。

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