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Lookup NU author(s): Dr Ruya Xiao,
Professor Zhenhong Li
This is the authors' accepted manuscript of an article that has been published in its final definitive form by IEEE, 2019.
For re-use rights please refer to the publisher's terms and conditions.
© 2019 IEEE.Deformation monitoring plays an important role in performance monitoring to ensure the reservoir dams and embankments are functioning as designed. This work should be the first deformation monitoring application of GNSS in China’s huge South-to-North Water Diversion Project. A GNSS deformation monitoring system, equipped with 4G data transmission and automated data processing software, is established at Shuangwangcheng Reservoir, an important regulation control project on the Eastern Route. Precision evaluations of different observation sessions from both GPS and BDS are conducted, and results show that the performance of BDS is comparable to that of GPS, especially for longer observation session solutions. The 1 mm horizontal and 2 mm vertical precisions of daily solutions meet the deformation monitoring requirement of the project. The deformation time series reveal an uneven settlement of Shuangwangcheng Reservoir dam. The causes of deformation are analyzed and the water level change in the reservoir is deemed as the main factor.
Author(s): Xiao R, Shi H, He X, Li Z, Jia D, Yang Z
Publication type: Article
Publication status: Published
Journal: IEEE Access
Online publication date: 22/04/2019
Acceptance date: 11/04/2019
Date deposited: 24/06/2019
ISSN (electronic): 2169-3536
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