夹马口灌区年度灌溉引水计划的制定与执行

文中论述了夹马口灌区年度灌溉引水计划的制定与执行情况,灌溉计划的制定是按以下步骤进行的。首先,根据夹马口灌区年度作物种植面积,灌溉定额,灌区试验站降雨资料,渠道水利用系数制定年度引水计划;再依据各支渠、各干渠管理段五年的实际引水量占全局总引水的百分比作为当年配水比例。

Drawing up and Carrying out the Annual Water Diversion Plan for Irrigation in Jiamakou Irrigation District

This paper narrates the situations to draw up annual water diversion plan for irrigation in Jiamakou Irrigation District and its execution situations.The irrigation plan is made accrding to following steps.Firstly,according to the annual crops＇planting area,the irrigation quotas,the precipitation data presented by irrigation test station and the water efficiency of canal system in Jiamakou Irrigation District,the total annual water diversion amount is determined.Then,the annual water distribution proportion in every branch canal and in every main canal management section is equal to the percent obtained from dividing these branch canal＇s or these main canal management sections＇ annual actual mean water diversion amount in last 5 years by total annual water diversion amount of the whole district in the same years.