目的通过研究出露基岩形状及空间分布对喀斯特区坡地水土流失的影响,为进一步认识喀斯特坡地自然降雨条件下侵蚀规律提供科学依据。方法以喀斯特不同岩土覆被坡地为研究对象,通过自然降雨监测,研究自然降雨、出露基岩形状及空间分布对喀斯特坡地产流产沙的影响。结果1)基岩形态在雨中降雨强度下对地表径流影响显著,小雨、中雨条件下K型格局(2.01、4.79 L)>L型格局(1.75、3.34 L),大雨及以上降雨时,此趋势出现反转;空间分布对地表产流无明显影响。2)基岩形态在5种降雨条件下对坡地壤中流影响显著 ...
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