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一、查勘选点: 1)地下水測井应布置在室曠田野中,地面平坦坡度不大,能代表該地区水文地質,使其尽量結合水文站进行观测。2)測井的深度,应在历年最低地下水位以下,但此項资料在来进行地下水观測前无法查到,根据河道与地下水互补之关系,可以用历年最低河水位資料再加上1～2公尺的系数,这样就不会干涸,另外也可
First, the survey selected points: 1) groundwater logging should be arranged in the open field in the open field, the ground is not flat slope, can represent the hydrogeology in the area, make it as far as possible hydrological observation station observations. 2) The depth of logging should be below the minimum groundwater table over the years, but this data can not be found before groundwater observation. According to the complementary relationship between river channel and groundwater, the data of the lowest river level over the years can be added to 1 ~ 2 meters coefficient, so that it will not dry up, the other can be