晋西黄土丘陵沟壑区水平阶造林减水减沙效益研究 |
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引用本文: | 张治国. 晋西黄土丘陵沟壑区水平阶造林减水减沙效益研究[J]. 中国水土保持, 1999, 0(1): 24-25 |
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作者姓名: | 张治国 |
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摘 要: | 利用人工模拟降雨装置,对水平阶林地、梯田、坡耕地在百年一遇暴雨下的产流产沙规律进行了试验研究。研究结果表明,与陡坡耕地相比,坡耕地退耕实施水平阶整地造林后,可减少径流875%,减少土壤侵蚀997%,径流深与降雨历时之间存在着很好的对数函数关系。
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关 键 词: | 黄土丘陵沟壑区 陡坡耕地 水平阶林地 减水减沙 晋西 |
Study of Effects of Runoff and Sediment Reduction By Forestation on Leveling Steps in Rolling Gullied Loess Region in West Shanxi Province |
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Abstract: | The experimental study of runoff and sediment production law of forest on leveling steps, terrace and slope lands is carried out under the storm of once a hundred year by using man-made rainfall stimulating set. The results show that forest on smooth slope land with treatment of leveling steps can decrease runoff and soil erosion by 87.5% and 99.7% respectively in Comparison with that on steep slope lands, and there is perfect logarithmic function relation between runoff depth and rainfall duration. |
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Keywords: | rolling gullied loess region steep slope land forest on leveling steps runoff and sediment reduction west Shanxi Province |
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