Subsidence determination in the Central Valley, California
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Department of Civil and Geomatics Engineering, California State University, Fresno, 2320 E. San Ramon Avenue, MS/EE 94, Fresno, CA 93740, USA
Submission date: 2018-09-20
Acceptance date: 2018-12-20
Online publication date: 2018-12-31
Publication date: 2018-12-01
Reports on Geodesy and Geoinformatics 2018;106:35-42
Twenty four hour GNSS (Global Navigation Satellite System) data acquired monthly for 5 years from 8 CORS (Continuously Operating Reference Station) stations in Central Valley, California are processed and vertical velocities of the points are determined. To process GNSS data, online GNSS data processing service APPS (Automatic Precise Positioning Service) is used. GNSS data downloaded from NGS (National Geodetic Survey) CORS are analyzed and subsidence at these points is portrayed with graphics. It is revealed that elevation changes range from 5 mm uplift in the north to 163 mm subsidence in the southern part of the valley.
Akarsu, V., Sanli, D., and Arslan, E. (2015). Accuracy of velocities from repeated GPS measurements. Natural Hazards and Earth System Sciences, 15(4):875-884, doi: 10.5194/nhess-15-875-2015..
Blewitt, G. and Lavallée, D. (2002). Effect of annual signals on geodetic velocity. Journal of Geophysical Research: Solid Earth, 107(B7):ETG 9-1-ETG 9-11, doi: 10.1029/2001JB000570..
California Department of Water Resources (2014). Summary of recent, historical, and estimated potential for future land subsidence in California. https://water.ca.gov/LegacyFil.... Accessed: 20.12.2018.
Farr, T. G., Jones, C., and Liu, Z. (2015). Progress report: subsidence in the Central Valley, California. Jet Propulsion Laboratory, California Institute of Technology. Accessed: 20.12.2018.
Lin, L.-S. (2013). Orthometric height improvement in Tainan City using RTK GPS and local geoid corrector surface models. Journal of surveying engineering, 140(1):35-43, doi: 10.1061/(ASCE)SU.1943-5428.0000114..
Wang, G. and Soler, T. (2014). Measuring land subsidence using GPS: ellipsoid height versus orthometric height. Journal of Surveying Engineering, 141(2):05014004, doi: 10.1061/(ASCE)SU.1943-5428.0000137..
Zumberge, J., Heflin, M., Jefferson, D., Watkins, M., and Webb, F. H. (1997). Precise point positioning for the eff- cient and robust analysis of GPS data from large networks. Journal of geophysical research: solid earth, 102(B3):5005-5017, doi: 10.1029/96JB03860..
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