Based on the investigation of the infiltration process in soil containing gravels under simulated rainfall,the effects of gravel content and slope gradients on runoff generation time and infiltration were analyzed.The results indicated that runoff generation time was closely related to gravel content and slope gradients.When the gradient being higher than 5°,there was a negative relationship between runoff generation time and gravel content.As for the gradient less than 5°,there existed an evident differenc...
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