北京市不同治理区水土流失的环境效应分析 关键词:水土流失; 环境效应;土壤流失强度;土地利用 [gap=1285]Key words:soil and water erosion; environmental effect; soil loss intensity; land use
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Soil loss intensity had a great error based on Reference Index of Soil Erosion intensity Classification.
利用现行标准的参考指标判定土壤流失的强度出现较大的误差。
Sloping spatial distribution of soil nutrient loss responds to spatial distribution of soil erosion patterns erosion intensity. Shallow gully ditch is the severest position of soil nutrient loss.
坡面土壤养分流失的空间分布与坡面侵蚀方式和侵蚀强度的空间分布相一致，浅沟沟槽是坡面土壤养分流失最严重的部位。
Based on observation data of experiment plots at the City of Zhangjiakou, analysis was made on the effect of rainfall intensity on the relationship among slope length, runoff and soil loss.
张家口市水保试验站坡长小区五年观测资料表明，降雨强度影响径流量、侵蚀量随坡长的变化。
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