Land Subsidence Monitoring Using GPS Network in Nansha, Guangzhou
1 School of Geosciences and Info-Physics, Central South University, 932 South-Lushan Road,Changsha 410083, China
Abstract Using three different strategies, we processed the land subsidence monitoring data collected by a mixed set of single-frequency and dual-frequency receivers installed in Nansha, Guangzhou, from July 1, 2012 to December 31, 2013. The result shows that during maximum solar sunspot cycle periods, ionospheric disturbances corrupted the precision of GPS data processing, even with the baselines less than 10 km. GPS measurement precision shows a standard deviation of about 5 mm, which is quite consistent with leveling results.
Key words ：
GPS
land subsudence
leveling
Received: 07 November 2014
Published: 10 October 2015
Cite this article:
CHEN Yulin,KUANG Cuilin,DAI Wujiao et al. Land Subsidence Monitoring Using GPS Network in Nansha, Guangzhou[J]. jgg, 2015, 35(5): 849-852.
CHEN Yulin,KUANG Cuilin,DAI Wujiao et al. Land Subsidence Monitoring Using GPS Network in Nansha, Guangzhou[J]. jgg, 2015, 35(5): 849-852.
URL:
http://www.jgg09.com/EN/10.14075/j.jgg.2015.05.027 OR http://www.jgg09.com/EN/Y2015/V35/I5/849
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