水文测站 meaning in Chinese

discharge site
hydrometric station

Analysis of water and sediment materials from main hydro - stations in the upper reaches of the yellow river in qinghai province showed that , the area in the upper reaches of the yellow river was only 23 . 4 % of the total yellow river basin , while its runoff was 47 . 5 % , and sediment yield was only 3 . 86 % of that of the whole basin , so it was a major area of water production and supply
利用青海境内黄河上游主要水文测站的资料，对境内水沙来源及组成进行了分析，认为该区面积只占黄河流域面积的23 . 4 ，而径流量占47 . 5 ，输沙量只占3 . 86 ，是黄河的主要产流区和水量供给地之一。
Based on the thermohaline data in august of 1958 and 2000 , january of 2001 , january and august in the marine atlas of bohai sea , yellow sea , east china sea ( hydrology , 1992 ) , the normal annual wind field data in bohai sea , and the near forty years sss data observed in the four measurement stations beihuangcheng , tanggu , qinhuangdao , huludao of bohai sea : the thermohaline field ' s variance characteristics are analysed
基于1958年8月、 2000年8月、 2001年1月、《渤海、黄海、东海海洋图集( 1992 ) 》中的1月和8月份温盐资料、渤海多年平均风场资料以及渤海北隍城、塘沽、秦皇岛和葫芦岛4个水文测站近40年的sss观测资料，分析了渤海温盐场的变异特征。