Abstract: This paper introduced the method, instrument, location and technique procedure of reservoir cross-sectional surveying in Ertan Hydropower Station, inquired into quality control and data processing for harvest of reservoir cross-sectional surveying, application of cross-sectional surveying technology in calibrating reservoirs’ capacity and analyzing sediment accumulation. It can provide a new method and thinking of cross-sectional survey and calibrate the reservoirs’ capacity for large and medium scale hydropower station in our country.

摘要： 本文介绍了二滩水电站库区断面测量所采取的测量方法、仪器装备、测量定位及工艺要点，探讨库区断面测量成果的数据处理，以及断面测量技术在库容率定及泥沙淤积分析中的应用，为我国众多大中型水电站库区断面测量及库容率定工作提供了一种新的思路和方法。