Spatial Characteristics of Slope Soil Erosion Intensity and Susceptibility in Small Watershed of Shandong Province Middle Part

DONG Yuan-jie; SHI Yan-xi

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Spatial Characteristics of Slope Soil Erosion Intensity and Susceptibility in Small Watershed of Shandong Province Middle Part

更新时间：2024-11-07

- Spatial Characteristics of Slope Soil Erosion Intensity and Susceptibility in Small Watershed of Shandong Province Middle Part
- Vol. 20, Issue 6, Pages: 6-10(2006)
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  CLC： S157.1S153.2
- Published：2006
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DONG Yuan-jie, SHI Yan-xi. Spatial Characteristics of Slope Soil Erosion Intensity and Susceptibility in Small Watershed of Shandong Province Middle Part[J]. 2006, 20(6): 6-10.
DOI：

DONG Yuan-jie, SHI Yan-xi. Spatial Characteristics of Slope Soil Erosion Intensity and Susceptibility in Small Watershed of Shandong Province Middle Part[J]. 2006, 20(6): 6-10. DOI：

摘要

研究选取泰安市和曲阜市典型小流域，系统地研究了小流域坡面土壤磁化率与土壤侵蚀状况的空间分异特征，明确了土壤磁性与土壤侵蚀强度的关系。结果表明：自山顶往下，坡面空间尺度上的土壤磁化率均呈波状变化，总的趋势是底部高于上部。坡面中部表土磁化率为林地〉草地〉农地，坡面不同空间部位的土壤侵蚀强度为上部〉底部，农地〉草地〉林地。从不同坡向的比较来看，阳坡的土壤磁化率低且变异幅度大，其土壤侵蚀强度大于阴坡。土壤磁化率与土壤侵蚀强度呈反相关关系．不同空间部位的土壤磁化率高低可直观地反映土壤侵蚀强度的空间分异特征。

Abstract

Through studying the spatial characteristics of slope soil erosion intensity and susceptibility in the small watershed of Shandong province

we find out the relationship between soil erosion intensity and soil susceptibility. In this study

we choice the small watersheds of Taian city and Qufu city to measure the slope soil erosion intensity and susceptibility of different slope and different parts of slope in different small watershed. The results show that the slope soil susceptibility variation is like wave

from the upper part to the lower part of the slope. And the law is the soil susceptibility of lower part of the slope is higher than the upper part of the slope. It show that the susceptibility of sediment area is higher than erosion area of the slope. At the same time

we can see the soil susceptibility of woodland is higher than grassland

and the susceptibility of grassland is higher than farmland in the middle part of the slope. From the slope different direction

we can see

the soil susceptibility of the slope exposed to the sun is the lowest. And the soil susceptibility and soil erosion intensity is negative correlation. The soil susceptibility of different part of the slope can reflect the soil erosion intensity of the slope.

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