Although there are several studies on influence degree of human factors on river runoff, generally acknowledged model to appraisal the weight of human activities has not show yet at present because the regional natural conditions differ widely.

• 国内虽有一些衡量人为因素对径流量影响程度的研究，但由于所处地区自然条件大不相同，所以目前尚无公认的评价人类活动因素在径流量变化原因中所占比重的模型可资借鉴。