| 长江三峡库区水文观测吴淞高程系统的确定 |
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| 引用本文： | 周建红,王泽民.长江三峡库区水文观测吴淞高程系统的确定[J].地理空间信息,2013,11(2):127-129. |
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| 作者姓名： | 周建红 王泽民 |
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| 作者单位： | 1. 长江水利委员会水文局,湖北武汉,430010
2. 武汉大学中国南极测绘研究中心,湖北武汉,430079 |
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| 摘 要： | 利用三峡库区平水区对似大地水准面高度"贴合"的特点,探索性地建立了库区水文基本点吴淞高程系统与1985国家高程基准的转换关系;基于大量水位观测数据,采用线性拟合的方法,对吴淞高程系统归化进行了探求与分析,并对库区上游平水区水文基本点吴淞高程数据进行精化,得到了一些有益的结论。
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| 关 键 词： | 定水面线 线性拟合 资用吴淞高程转换关系 |
Establishment of Wusong Datum System for Hydrologic Monitoring in Three Gorges Reservoir Area |
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| Institution: | ZHOU Jianhong |
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| Abstract: | Considering the flat water-surface-profile area of Three Gorgers Reservoir(TGR) is highly close to the quasi-geoid,we carried out studies on calculations to correct the hydrologic benchmarks in the TGR area to the Wusong Datum system and tried to establish a conversion relation between the Wusong datum system and the 85 datum system.Based on large amount of water level measurements,using linear fitting method,we had refined the Wusong datum data of the hydrologic benchmarks in the upstream flat water-surface-profile area of The TGR and obtained some useful conclusions. |
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| Keywords: | fixed-elevation water-surface-profile linear fitting conversion relation with Wusong datum system |
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