由水文局负责完成的《1950～1990年黄河水文基本资料审查评价及天然径流量计算》项目日前通过水利部鉴定。由水利部水文司、中国水科院、水规院、黄委会等专家组成的鉴定委员会对此进行了鉴定。该项目自1992年4月正式开展工作,到1997年12月全部完成,历时5年多时间。全部成果汇编成八册,并以年鉴和数据库两种形 Completed by the Bureau of Hydrology “Yellow River hydrological data from 1950 to 1990 review and evaluation of natural runoff calculation” project recently identified by the Ministry of Water Resources. The appraisal committee composed of experts from Hydrology Division of Ministry of Water Resources, China Hydrology Bureau, Water Regulation Institute, Yellow Committee and other experts conducted the appraisal. The project formally started its work in April 1992 and was completed by December 1997, which lasted more than five years. All results compiled into eight volumes, and two types of yearbook and database