[1]王飞,李锐,杨勤科.土壤侵蚀研究的尺度转换[J].水土保持研究,2003,10(02):9-12.
　WANG Fei,LI Rui,YANG Qinke.Scaling in the Soil Erosion Research[J].Research of Soil and Water Conservation,2003,10(02):9-12.
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土壤侵蚀研究的尺度转换

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 10 期数: 2003年02期 页码: 9-12 栏目: 出版日期: 1900-01-01
Title:
Scaling in the Soil Erosion Research
作者:
王飞1,2, 李锐1,2, 杨勤科1,2
1. 中国科学院水利部水土保持研究所;
2. 西北农林科技大学, 陕西, 杨陵712100
Author(s):
WANG Fei1,2, LI Rui1,2, YANG Qinke1,2
1. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling 712100, Shanxi, China;
2. Northwestern Sci tech University of Agriculture and Forestry, Yangling 712100, Shanxi, China
关键词:
土壤侵蚀; 尺度; 尺度转换; 水土流失
Keywords:
soil erosion; scale; scaling; soil loss
分类号:
S157.1
摘要:
研究对象不同,测试点的代表性、因子匹配和泥沙产生和输移过程的复杂性,尺度对研究结论和方法影响很大.尺度转换对现有小区、坡面和小流域等较小尺度与流域、区域等较大尺度土壤侵蚀资料的应用和印证等研究有着非常重要的意义.影响土壤侵蚀的因子和形式在时间和空间尺度方面应用的适宜程度不同.尺度转换方法主要有主导因子更替法、影响因子尺度转换法和泥沙输移比转换法等,在转换过程中,应结合现有资料和复杂的土壤侵蚀规律加以选择
Abstract:
The soil erosion is affected by scale because of the main research object concerned,the selection of experimental units,the match of each indicators,and the complexity of erosion process.Scaling issues is very important for the better usage of data at different scales.The factors affected the soil erosion,such as rainfall,landform,vegetation coverage,geology condition and soil properties,have many kinds of original and derived indicators.It is necessary to select proper indicators when the scales of temporal and spatial are taken into account.Changing the dominant factors,factors scaling,and calculation with sediment delivery ratio are common methods of scaling in the soil erosion research.

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备注/Memo

收稿日期:2003-3-7
基金项目:中国科学院知识创新方向项目"黄土高原水土保持的区域环境研究(KZCX3-SW-421)
作者简介:王飞(1971- ),男,陕西户县人,助理研究员,博士生,主要从事区域水土保持及其环境效应方面研究.

更新日期/Last Update: 1900-01-01