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降雨条件下土石混合堆积体水土流失研究

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土石混合堆积体地区受降雨影响,水土流失问题日益突出.文中研究了土壤侵蚀加剧、坡面产流增大、生态环境恶化和土地资源损失等方面,探讨了降雨条件下土石混合堆积体水土流失的特性.为研究土石混合堆积体水土流失特性,通过人工模拟降雨,对不同土石混合堆积体侵蚀过程中的产流、产沙进行研究.研究发现水土流失加速了土壤侵蚀和流失过程,导致表层土壤肥力丧失,同时产生大量坡面产流,加剧了土壤的流失速度,对土地资源造成持续的损耗.
STUDY ON SOIL AND WATER LOSS OF SOIL-STONE MIXED PILES UNDER RAINFALL CONDITIONS
In regions with soil-stone mixed piles,the impact of rainfall has increasingly exacerbated soil erosion and water loss issues.This study explores the characteristics of soil and water loss under rainfall conditions,focusing on aspects such as intensified soil erosion,increased surface runoff,ecological degradation,and loss of land resourc-es.To investigate the erosion characteristics of soil-stone mixed piles,artificial rainfall simulations were conducted to study the runoff and sediment yield during the erosion process of different mixed pile configurations.The findings indicate that water loss accelerates the processes of soil erosion and loss,leading to the depletion of topsoil fertility.Additionally,it generates significant surface runoff,which further intensifies the rate of soil loss,resulting in a sus-tained depletion of land resources.

soil-rock mixturerainfall conditionwater and soil losssoil erosion

李宏剑

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重庆三峡学院,土木工程学院,重庆万州 404100

土石混合体 降雨条件 水土流失 土壤侵蚀

2024

低温建筑技术
黑龙江省寒地建筑科学研究院

低温建筑技术

影响因子:0.237
ISSN:1001-6864
年,卷(期):2024.46(10)