论文部分内容阅读
风力侵蚀普查是第一次全国水利普查水土保持情况普查的重要内容之一。抽样调查方法是风力侵蚀普查的重要方法。在介绍我国风力侵蚀野外调查单元布设、基础数据收集的基础上,详细介绍风力侵蚀模型、侵蚀因子计算方法,并结合实际调查情况,对包括资料准备、野外调查、汇总上报和成果评价等普查过程的各个阶段及其质量控制措施进行详细总结。普查技术方法的正确把握对于保证普查结果的可靠性、科学性和权威性具有重要意义,普查结果可为国家水土保持规划与生态环境建设提供基础数据。
Census of wind erosion is the first national survey of water and soil conservation census one of the important contents. Sampling survey method is an important method of wind erosion survey. Based on the introduction of wind power field investigation unit layout and basic data collection in China, the wind erosion model and the calculation method of erosion factor are introduced in detail. Based on the actual investigation, the census process including data preparation, field investigation, summary report and evaluation of achievements The various stages and quality control measures are summarized in detail. Correct understanding of the census technique method is of great significance for ensuring the reliability, scientificity and authority of the census results. The census results can provide the basic data for the national plan for soil and water conservation and the ecological environment construction.