The paper proposes a method of the piecewise water distribution of main canal according to the characteristic of irrigation canal in mountainous area.

• 针对山区灌溉渠道的特点,提出了干渠分段配水的方法,分别对来水充足和来水不足条件下的干渠配水进行了理论分析和实例计算,取得满意成果。