摘要
受上、下游水利枢纽运行的影响,湘潭水文站原有的流量测验规律改变,同时为避免高洪的影响亟需转变测流方式。本文对侧扫雷达测流系统与声学多普勒流速剖面仪实测数据进行比测分析,研究不同水位条件下的水位流量模型,通过误差评价、合理性评价、精度分析等确定了侧扫雷达测流系统在一定条件下应用于湘潭水文站流量监测的可行性。结果表明,在水位高于32.590m时,采用关系模型Q率定=0.7509Q雷达+63.431进行率定,雷达流量与声学多普勒流速剖面仪流量整体趋势吻合,测验精度符合规范要求,可为相似水情条件下的水文测站提供参考依据。
Due to the influence of upstream and downstream water control structures,the original flow measurement patterns at Xiangtan Hydrological Station have been altered.Therefore,it is necessary to change the flow measurement method to avoid the impact of high floods.This paper presents a comparative analysis of the measured data between the side-scan radar flow measurement system and the acoustic Doppler velocity profiler.It studies the stage-discharge models under different water level conditions.Through error evaluation,rationality assessment,and precision analysis,the feasibility of the side-scan radar flow measurement system in flow monitoring at Xiangtan Hydrological Station under certain conditions is determined.The results show that when the water level is above 32.590m,the calibration can be performed using the relationship model Q-calibrated=0.7509Q-radar+63.431.The radar flow and the acoustic Doppler velocity profiler flow demonstrate consistent overall trends,and the measurement accuracy meets the requirements specified by the standards.This paper provides a reference for hydrological stations under similar hydrological conditions.
作者
刘思维
LIU Siwei(Hunan Xiangtan Hydrology and Water Resources Survey Center,Xiangtan 411100,China)
出处
《水资源开发与管理》
2023年第11期59-66,共8页
Water Resources Development and Management
基金
湖南省国家基本水文测站提档升级建设项目。
关键词
侧扫雷达测流系统
比测分析
水位流量模型
率定
Side-scan radar flow measurement system
comparative analysis
stage-discharge model
calibration
作者简介
刘思维(1988-),男,工程师,硕士,主要从事水文水资源方面的工作。
