[1]王飞,李锐,杨勤科,等.区域尺度土壤侵蚀研究方法[J].西北林学院学报,2003,18(04):74.
 The Methods of Soil Erosion Research at Regional Scale[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2003,18(04):74.
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区域尺度土壤侵蚀研究方法 ()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第18卷
期数:
2003年04期
页码:
74
栏目:
水土保持研究
出版日期:
2003-08-29

文章信息/Info

Title:
The Methods of Soil Erosion Research at Regional Scale
作者:
王飞; 李锐; 杨勤科; 张晓萍
中国科学院、水利部、西北农林科技大学,水土保持研究所,陕西,杨陵,712100
关键词:
土壤侵蚀 区域 尺度 方法
分类号:
S157
文献标志码:
A
摘要:
对目前常用的区域土壤侵蚀研究方法分析表明,区域尺度土壤侵蚀方法主要包括区域观测法、观测站点代表法、站点资料函数推广法和泥沙输移比转换法等4种.而区域观测法又可分为河流泥沙观测法、地貌研究法和土壤学方法;观测站点代表法包括密集站点观测法和单点资料扩展法、地理格网法和综合因子法等单元划分站点代表法等.对不同研究方法的数据特点、对机理或理论的依赖性和评价精度等的讨论表明,研究数据采集尺度越小,数据的精度就会越高,在土壤侵蚀研究时对机理等依赖性就越强;如果采集的站点和数据较多,或者对有限数据在扩展时所依据的机理把

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备注/Memo

备注/Memo:
中国科学院知识创新工程项目(KZCX3-SW-421); 中国科学院知识创新工程项目
更新日期/Last Update: 2010-04-29