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Subsidence determination in the Central Valley, California Cover

Subsidence determination in the Central Valley, California

Open Access
|Dec 2018

Abstract

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.

DOI: https://doi.org/10.2478/rgg-2018-0012 | Journal eISSN: 2391-8152 | Journal ISSN: 0867-3179
Language: English
Page range: 35 - 42
Submitted on: Sep 20, 2018
Accepted on: Dec 20, 2018
Published on: Dec 31, 2018
Published by: Warsaw University of Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 2 issues per year

© 2018 Marcelo Romero, Mike Mustafa Berber, published by Warsaw University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.