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甘肃省泾河流域流量监测站网布局优化设计

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鉴于河流流量监测站网是收集流域内径流相关水文信息的重要网格系统,立足于甘肃省泾河流域流量监测站网现状,采用径流递变率法和线性内插精度法确定大河控制站数目的上下限,采用欧氏贴近度法确定区域代表性站点,进而提出站网布局的优化方案.布局优化后的甘肃省泾河流域流量监测站总数由 21 站增加至 27 站,包括增设大河控制站 1 站、区域代表站 5 站,迁移区域代表站 1 站;站网密度由原来的 1 476 km2/站优化至 1 148 km2/站.研究成果实现了对甘肃省泾河流域水资源在时间和空间分布变化上的控制,提高了站网的社会效益和经济效益.
Optimization Design of Flow Monitoring Station Network Layout in Jinghe River Basin of Gansu Province
The river flow monitoring station network is an important grid system for collecting hydrological informa-tion related to the runoff in the watershed.This article is based on the current situation of the flow monitoring station network in the Jinghe River Basin of Gansu Province.The upper and lower limits of the number of large river control sta-tions are determined using the runoff rate method and linear interpolation accuracy method.The regional representative stations are determined using the Euclidean closeness method.Then,an optimization plan for the station network layout is proposed.The total number of flow monitoring stations in the Jinghe River Basin of Gansu Province has increased from 21 to 27 after layout optimization,including the addition of 1 river control station,5 regional representative stations,and the relocation of 1 regional representative station.The station network density has increased from 1 476 km2/station to 1 148 km2/station.The research results have achieved control over the temporal and spatial distribution changes of water resources in the Jinghe River Basin of Gansu Province,improving the social and economic benefits of the station network.

Jinghe River Basinstation network layoutrunoff rate methodlinear interpolation accuracy methodEuropean closeness

牛晓宇、张德栋、雒仪、邓念德

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甘肃省水文站, 甘肃 兰州 730030

甘肃省平凉水文站, 甘肃 平凉 744000

甘肃省定西水文站, 甘肃 定西 743000

泾河流域 站网布局 径流递变率法 线性内插精度法 欧氏贴近度法

甘肃省科技计划项目甘肃省水利科学试验研究及技术推广项目甘肃省自然科学基金甘肃省水利科学试验研究及技术推广项目

21ZD4FA008甘水建管发[2021]71号第5521JR7RA04323GSLK028

2024

10.20040/j.cnki.1000-7709.2024.20231875

水电能源科学
中国水力发电工程学会 华中科技大学 武汉国测三联水电设备有限公司

水电能源科学

CSTPCD北大核心
影响因子：0.525
ISSN：1000-7709
年,卷(期)：2024.42(3)
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