厄瓜多尔垂直基准面与IHRS的联系

IF 0.9 Q4 REMOTE SENSING Journal of Geodetic Science Pub Date : 2023-01-01 DOI:10.1515/jogs-2022-0151

J. L. Carrión, Sílvio R. Correia de Freitas, R. Barzaghi

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摘要

摘要本文介绍了厄瓜多尔垂直基准面(EVD)与国际高度参考系统(IHRS)之间差异的确定。基于固定大地边值问题的方法估计了EVD的垂直偏移量。实验的重点是确定埃博拉病毒病的异常电位，从而确定各自的地势值。采用地理位势天基方法，获得了埃博拉病毒病相对于国际卫生标准的两个估计值，分别为- 1.51和- 1.61 m2/s2。

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On the connection of the Ecuadorian Vertical Datum to the IHRS

Abstract In this work, the determination of the discrepancy between the Ecuadorian Vertical Datum (EVD) and the International Height Reference System (IHRS) is presented. The vertical offset was estimated at the EVD based on the fixed geodetic boundary value problem approach. The focus of the experiment was the determination of the anomalous potential in the EVD, which in turn enable determination of the respective geopotential value. Taking a geopotential space-based approach, two estimates of the EVD offset with respect to the IHRS were obtained that amount to −1.51 and −1.61 m2/s2.

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