云南省西北部水文站网分析与优化调整

Hydrologic Network Analysis and Optimal Adjustment in the Northwest Yunnan Province

摘要: 通过对云南省西北部大理、迪庆、怒江州三个州境内的流域、河流、水利水电工程和水文站网进行调查，对各类监测站网密度及布局进行分析，结果表明云南省西北部除雨量站网、蒸发站网和地下水站网外的其它各类监测站网密度基本达到世界气象组织及《水文站网规划技术导则》规定的密度要求。根据完全水文空白河流与流量测验空白河流评价方法，对河流的水文监测覆盖程度进行分析与评价，结果表明云南省西北部部分流域河流存在流量测验空白河流。根据成果提出站网优化调整对策。

Abstract: Through investigating the river basin, rivers, hydropower engineering and hydrologic network in the northwest of Yunnan province, which consists of Dali, Diqing and Nujiang states, the networks’ density and layout of all kinds of monitoring stations is analyzed. The results show that the density of monitoring station network has reached basic requirements of World Meteorological Organization and “Technical Regulations for Hydrologic Network Design” except for the precipitation, evaporation and groundwater station networks. Based on the evaluation methods of the hydrologic completely blank river and the flow measurement blank river, the degree of rivers’ coverage is analyzed and evaluated. It is shown that the flow measurement blank rivers exist in some river basin in the northwest of Yunnan province. Finally, some optimized and adjusted countermeasures are put forward.