<abstract xmlns="http://www.w3.org/1999/xhtml"><p> 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.</p></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.

Subsidence determination in the Central Valley, California

Reports on Geodesy and Geoinformatics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Subsidence determination in the Central Valley, California"}

Twenty four hour GNSS (Global Navigation Satellite System) data acquired monthly for 5 years from 8 CORS (Continuously Operating Reference Station) stations in...

Subsidence determination in the Central Valley, California

Published Online: Dec 31, 2018

Page range: 35 - 42

Received: Sep 20, 2018

Accepted: Dec 20, 2018

DOI: https://doi.org/10.2478/rgg-2018-0012

Keywords
subsidence, Global Navigation Satellite System, Automatic Precise Positioning Service, elevation changes

© 2019 Marcelo Romero, Mike Mustafa Berber, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Subsidence determination in the Central Valley, California

Published Online: Dec 31, 2018

Page range: 35 - 42

Received: Sep 20, 2018

Accepted: Dec 20, 2018

DOI: https://doi.org/10.2478/rgg-2018-0012

Keywordssubsidence, Global Navigation Satellite System, Automatic Precise Positioning Service, elevation changes

© 2019 Marcelo Romero, Mike Mustafa Berber, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
subsidence, Global Navigation Satellite System, Automatic Precise Positioning Service, elevation changes