流速仪法流量监测方案分析与确定摘要：确定流量监测方案是规范水文测站正常开展流量测验的必要基础工作，亦是制定《测站任务书》中有关水文测验部分的主要技术条文。确定合理的流量监测方案，可保证单次流量测验精度，即保证单次流量测验误差不超过允许误差。本文采用崖口水文站1984年至2007年实测流量和实测水位测验成果资料，通过对多年径流量采用频率计算的方法，求得丰、平、枯水的相应典型年，进而求得典型年的相应水位。在此基础上，根据分析计算的宽深比和断面概化垂线流速分布形式参数，确定高、中、低水的流量监测方案。
关键词：典型年宽深比垂线流速分布形式参数流量监测方案analysis and determination of flow monitoring scheme by velocity instrument method
li wei-hua
(tangqin hydrology and water resources survey bureau of hebei province，hebei，tangshan 063000)
abstract: determination of flow monitoring scheme is the necessary basic work for the normal development of discharge measurement in hydrometric station specification and the main technical provisions for making survey station project description related to hydrologic part. determining reasonable flow monitoring scheme can assure single time flow