We used synthetic GPS coordinate time series to assess the feasibility of the proposed method. Taking 63 GPS sites in a certain area of the Nevada Geodetic Laboratory GPS Networks (Fig. 1), we extracted long-term linear trend and seasonal terms from the original GPS coordinate time series of these sites.Subsequently, we simulated coseismic …Fallon FORGE InSAR and geodetic GPS deformation data. InSAR shapefiles are packaged together as .MPK (ArcMap map package, compatible with other GIS platforms), and as .CSV comma-delimited plaintext. GPS data and additional metadata are linked to the Nevada Geodetic Laboratory database at the Univ. of Nevada, Reno (UNR).Nevada Bureau of Mines and Geology, and Seismological Laboratory, University of Nevada, Reno, Nevada 89557, USA. ... Using ∼1500 geodetic velocities we model the present-day spatial patterns of areal changes inside the Pacific–North America plate boundary zone.RENO, Nev., May 10, 2021 /PRNewswire/ -- Go Solar Group, a residential solar installer based in Reno Nevada; and Albuquerque, New Mexico, has publ... RENO, Nev., May 10, 2021 /PRNe...The GPS data provided by the Nevada Geodetic Laboratory (NGL) at the University of Nevada, Reno (UNR) were used in this study. The selected data set is provided as north, east and up components for more than 15 700 GPS sites in the IGS08 reference framework, with its origin in the centre of mass of the total Earth system (CM).Nevada Geodetic Lab Staff List. Last edited 26 May 2022.The Nevada Geodetic Laboratory (NGL) produced global tropospheric products for more than 18,600 GNSS stations and the GNSS observations are processed using GipsyX 1.0 software and Repro 3.0 orbits ...Jul 3, 2021 · First published: 03 July 2021. https://doi.org/10.1029/2021JB022355. Citations: 20. Sections. PDF. Tools. Share. Abstract. We estimate the rates and patterns of vertical land motion (VLM) on all locations on Earth's land surface using GPS Imaging. |===== | | | | | NGL/UNR GPS Data Analysis Strategy and Products Summary | | | | Current Label: GipsyX-1.0/IGS14/Repro3.0 of 2019-11-28 | | | | Please cite: Blewitt ...GEODESY & TECTONICS. Located within NBMG, the Nevada Geodetic Laboratory (NGL) conducts research in the field of space geodesy to study scientific problems that have …In this research, we calculate and analyze the bias and standard deviation (std) values from the tropospheric delay data of approximately 7000 GNSS stations that …Welcome to the Nevada Geodetic Laboratory GPS Networks Map. Click on sites for station information.Position-time series of 3,658 GPS sites from 1994 to 2019 are determined by scientists at the Nevada Geodetic Laboratory (NGL) (Blewitt et al., 2018, 2019). HIGH ACCURACY REFERENCE NETWORK FOR NEVADA. The National Geodetic Survey (NGS) has recently completed the final adjustment of the Federal Base Network/Cooperative Base Network (FBN/CBN) for Nevada. Consisting of 102 stations, 43 new and 59 existing horizontal and vertical control stations spaced at approximately 50 kilometer (31 mile) intervals ... GNSS data processing: the Nevada Geodetic Laboratory publishes the NGL data by using the GIPSY/OASIS (version 6.0), and JPL's single baseless product: satellite orbit and clock offset, wide-channel phase deviation estimation, IGS antenna phase calibration and IERS2010 geoid parameters, and the elimination of ionospheric …Note that the vertical scale is three times larger than the horizontal scale in all plots. GNSS positions in the IGS14 reference frame were retrieved from and pre‐processed by the Nevada Geodetic Laboratory using GIPSY‐X software. Atmospheric and oceanic loading were removed in post‐processing.To help you find the cheapest car insurance in Nevada WalletHub collected quotes from all major auto insurers in Nevada. WalletHub makes it easy to find the cheapest car insurance ...Gostaríamos de exibir a descriçãoaqui, mas o site que você está não nos permite.Lithium, a highly sought-after metal, is a key component in the production of rechargeable batteries used in electric vehicles (EVs), smartphones, and other electronic devices. The...We compared our time series with solutions from the Nevada Geodetic Laboratory (NGL) (Blewitt et al. 2018) and found the two data sets to be in good agreement (Additional file 1: Fig. S1). Since the GPS coordinate time series for sites in Nepal routinely provided by NGL have longer duration, some of those begin in the 1990s, we used in the … The file linked below contains an unambiguous mapping of decimal year to date given in YYMMMDD (Y=year, M=month, D=day). The decimal year can be used as a time argument for plotting, kinematic fitting, etc. This year has exactly 365.25 days for all years. The year is exactly an integer for leap years on January 1, 12:00 (noon) GPS time. The National Geodetic Survey (NGS) serves as the Nation's depository for geodetic data. NGS provides the public with survey control information. This map shows geodetic control stations maintained by the National Geodetic Survey (NGS) to provide a base reference for latitude, longitude, and height throughout the United States.Jan 18, 2017 · Nevada Geodetic Lab - Reference Frames. Reference Frames Relevant publications: Gross, R., Beutler, G., & Plag, H.-P., 2009, Integrated scientific and societal user requirements and functional specifications for the GGOS, in H.-P. Plag & M. Pearlman (eds.): Global Geodetic Observing System: Meeting the Requirements of a Global Society on a Changing Planet in 2020, 209-224, Springer Berlin. Global Strain Rate Map. The mission of the Global Strain Rate Map (GSRM) project is to determine a globally self-consistent strain rate and velocity field model, consistent with geodetic and geologic field observations. Such a model is the first model of its kind to implicitly add the kinematics of plate boundary deformation to a description of ...Gostaríamos de exibir a descriçãoaqui, mas o site que você está não nos permite.Position-time series of 3,658 GPS sites from 1994 to 2019 are determined by scientists at the Nevada Geodetic Laboratory (NGL) (Blewitt et al., 2018, 2019).Characteristic differences in tropospheric delay between Nevada Geodetic Laboratory products and NWM ray-tracing. J Ding, J Chen, J Wang, Y Zhang. GPS Solutions 27 (1), 47, 2023. 3: 2023: Spatial–Temporal Variability of Global GNSS-Derived Precipitable Water Vapor (1994–2020) and Climate Implications.The median geodetic model slip rates are systematically lower than the preferred geologic model rates for faults with slip rates exceeding 10 mm/yr and systematically higher on faults with slip rates less than 0.1 mm/yr. Geodetically derived slip rates tend to the low end of the geologic model range along sections of the San Andreas …On 15 January 2022, a violent eruption and tsunami of the Hunga Tonga-Hunga Ha’apai (HTHH) volcano in Tonga, South Pacific, caused widespread international concern. In order to detect the anomalous environmental response caused by the HTHH volcanic eruption based on GNSS ionospheric data, GNSS tropospheric data and GNSS …Meredith Kraner, Graduate Research Assistant. MS Geophysics. BS Geology, with an emphasis in Geophysics. NASA Earth and Space Science Fellow. Full CV available upon request. Department of Geological Sciences and Engineering. Nevada Bureau of Mines and Geology. University of Nevada, Reno. Reno, Nevada 89557-0178, …Fallon FORGE InSAR and geodetic GPS deformation data. InSAR shapefiles are packaged together as .MPK (ArcMap map package, compatible with other GIS platforms), and as .CSV comma-delimited plaintext. GPS data and additional metadata are linked to the Nevada Geodetic Laboratory database at the Univ. of Nevada, Reno (UNR).Nevada Geodetic Lab - Basin and Range Deformation and Dynamics | Home | People | Contact | About us | Vacancies | News Archive | MAGNET ... Geodetic observation of contemporary deformation in the northern Walker Lane: 1. Semipermanent GPS strategy, p. 1–15, doi: 10.1130/2009.2447(01).Blewitt, G., M. Coolbaugh, W. E. Holt, C. Kreemer, J. L. Davis, and R. A. Bennett, 2002, Targeting of Potential Geothermal Resources in the Great Basin from Regional Relationships between Geodetic Strain and Geological Structures, Transactions Geothermal Resources Council, 26, 523-526. For more information see the UNR Great …RENO, Nev., May 10, 2021 /PRNewswire/ -- Go Solar Group, a residential solar installer based in Reno Nevada; and Albuquerque, New Mexico, has publ... RENO, Nev., May 10, 2021 /PRNe...Multiple spatial and temporal scales of deformation from geodetic monitoring point to active transcrustal magma system at Uturuncu volcano, Bolivia ... GNSS data for UTUR were processed by the University of Nevada Geodetic Laboratory (Blewitt et al., 2018). Data are in their respective satellite’s line of ...We analyzed daily GNSS time series processed at the Nevada Geodetic Laboratory (NGL) 58 from 17 September 2015 to 31 December 2020. We selected GNSS stations with sufficient temporal coverage ...Dec 16, 2020 · The 15 May 2020, M 6.5 Monte Cristo Range, Nevada earthquake (MCE) occurred inside the footprint of the semicontinuous MAGNET and continuous Network of the Americas Global Positioning System (GPS) networks, which provide precise geodetic coverage in the western Great basin. Jan 18, 2017 · The Basin And Range GEodetic Network (BARGEN) continuous GPS network has been densified around Yucca Mountain, southern Nevada, to help produce seismic hazard estimates for the proposed nuclear waste facility. The NGL has been processing data from this network since installation in May 1999. Until 2009, we were working in collaboration with the ... Jun 14, 2022 · Nevada Geodetic Laboratory, Nevada Bureau of Mines and Geology, University of Nevada, Reno, NV, USA. Contribution: Methodology, Writing - review & editing, Supervision. Search for more papers by this author Jan 18, 2017 · The Basin And Range GEodetic Network (BARGEN) continuous GPS network has been densified around Yucca Mountain, southern Nevada, to help produce seismic hazard estimates for the proposed nuclear waste facility. The NGL has been processing data from this network since installation in May 1999. Until 2009, we were working in collaboration with the ... Nevada Geodetic Lab Staff List. Last edited 26 May 2022.October 15, 2007 17:28 WSPC - Proceedings Trim Size: 9in x 6in manus 1 THE GLOBAL GEODETIC OBSERVING SYSTEM H.-P. PLAG1, M. ROTHACHER2, M. PEARLMAN3, R. NEILAN4, C. MA5 1 University of Nevada, Reno, Nevada Bureau of Mines and Geology and Seismological LaboratoryPDF | In the geothermal field at Brady Hot Springs, Nevada, subsidence occurs over an elliptical area that is ~4 km by ~1.5 km. Highly permeable ... Geodesy, and Hydrology. February 2017 ...The National Geodetic Survey (NGS) serves as the Nation's depository for geodetic data. NGS provides the public with survey control information. This map shows geodetic control stations maintained by the National Geodetic Survey (NGS) to provide a base reference for latitude, longitude, and height throughout the United States.The Nevada Geodetic Laboratory/Nevada Bureau of Mines and Geology is engaged in new and ongoing work on the Walker Lane in the western Great Basin of the …On 15 January 2022, a violent eruption and tsunami of the Hunga Tonga-Hunga Ha’apai (HTHH) volcano in Tonga, South Pacific, caused widespread international concern. In order to detect the anomalous environmental response caused by the HTHH volcanic eruption based on GNSS ionospheric data, GNSS tropospheric data and GNSS …Feb 17, 2020 · Graduate Student Opportunities. We are always interested in hearing from students or potential students in the fields of geodesy, tectonics, geophysics, geomatics, and mathematics who are interested in carrying out research in geodesy while studying for an M.S. or Ph.D in Geophysics at UNR. Our GNSS Data Management Overview illustrates the GAGE GPS/GNSS data flow from stations and campaigns to users. The GAGE Facility archives and distributes GPS/GNSS data in a variety of product levels, formats and access methods. Product levels distinguish between raw data (Level 0), pre-processed data (Level 1), and post …Feb 17, 2020 · Graduate Student Opportunities. We are always interested in hearing from students or potential students in the fields of geodesy, tectonics, geophysics, geomatics, and mathematics who are interested in carrying out research in geodesy while studying for an M.S. or Ph.D in Geophysics at UNR. Thinking about retiring in Nevada? These cities, which have large senior populations and good access to healthcare and recreation, are great for retirees. Calculators Helpful Guide...Characteristic differences in tropospheric delay between Nevada Geodetic Laboratory products and NWM ray-tracing. GPS Solutions. 2023-01 | Journal article | Author. DOI: 10.1007/s10291-022-01385-2. Part of ISSN: 1080-5370. Part of ISSN: 1521-1886. Contributors : Junsheng Ding; Junping Chen; Jungang Wang; Yize Zhang. Show more …The Great Basin area in the western United States is part of the Pacific-North America plate boundary zone. This explains its spectacular and changing landscape and its occasional earthquakes. The morphology, geology and geodetic data indicate that most of the Great Basin is under extension. However, because the Pacific plate is not moving … Nevada Geodetic Laboratory (NGL) Nevada Bureau of Mines and Geology & Department of Physics Mail Stop 178 University of Nevada Reno, Nevada 89557 United States. Phone: +1 (775) 682-8778 FAX: +1 (775) 784-1709 E-mail:[email protected] GPS DATA PRODUCTS FROM NGL Henceforth please use the following for citation of data products obtained on our web ... Fly Geyser was created by accident when a geothermal company drilled a well in Nevada. HowStuffWorks looks at how it formed and what's growing inside. Advertisement Back in the ear...Dec 16, 2020 · The 15 May 2020, M 6.5 Monte Cristo Range, Nevada earthquake (MCE) occurred inside the footprint of the semicontinuous MAGNET and continuous Network of the Americas Global Positioning System (GPS) networks, which provide precise geodetic coverage in the western Great basin. The median geodetic model slip rates are systematically lower than the preferred geologic model rates for faults with slip rates exceeding 10 mm/yr and systematically higher on faults with slip rates less than 0.1 mm/yr. Geodetically derived slip rates tend to the low end of the geologic model range along sections of the San Andreas …The Sierra Nevada mountain range is located along the eastern edge of California. It begins in the Mojave Desert and extends as far north as the Cascade range in northern Californi...Jan 8, 2024 · Two innovations are presented for coordinate time-series computation. First, an improved solution is given to a century-old problem, that is the non-iterative computation of conventional geodetic (CG: latitude, longitude, height) coordinates from geocentric Cartesian (GC: x, y, z) coordinates. The accuracy is 1 nm for heights < 500 km and < 10−15 rad for latitude at any point, terrestrial or ... University of Nevada, Reno. Nevada Seismological Laboratory. Mackay School of Mines. UNR Dept of Geological Sciences. UNR Center for Neotectonic Studies. UNR Arthur Brant Laboratory for Exploration Geophysics. Harvard-Smithsonian Center for Astrophysics. Caltech Geological and Planetary Sciences. Geomatics at the University of Newcastle-upon-Tyne. Characteristic differences in tropospheric delay between Nevada Geodetic Laboratory products and NWM ray-tracing. GPS Solutions. 2023-01 | Journal article | Author. DOI: 10.1007/s10291-022-01385-2. Part of ISSN: 1080-5370. Part of ISSN: 1521-1886. Contributors : Junsheng Ding; Junping Chen; Jungang Wang; Yize Zhang. Show more …|===== | | | | | NGL/UNR GPS Data Analysis Strategy and Products Summary | | | | Current Label: GipsyX-1.0/IGS14/Repro3.0 of 2019-11-28 | | | | Please cite: Blewitt ...Мы хотели бы показать здесь описание, но сайт, который вы просматриваете, этого не позволяет.After strict quality control and data preprocessing, we have calculated and compared the bias and standard deviation of tropospheric delay for approximately 7000 selected Nevada Geodetic Laboratory (NGL) GNSS stations in 2020 with the European Centre for Medium-Range Weather Forecasts (ECMWF) Reanalysis v5 (ERA5) hourly ray-traced …Meredith Kraner, Graduate Research Assistant. MS Geophysics. BS Geology, with an emphasis in Geophysics. NASA Earth and Space Science Fellow. Full CV available upon request. Department of Geological Sciences and Engineering. Nevada Bureau of Mines and Geology. University of Nevada, Reno. Reno, Nevada 89557-0178, …The Great Basin area in the western United States is part of the Pacific-North America plate boundary zone. This explains its spectacular and changing landscape and its occasional earthquakes. The morphology, geology and geodetic data indicate that most of the Great Basin is under extension. However, because the Pacific plate is not moving …We use metadata from the Nevada Geodetic Laboratory (Blewitt et al., 2018) to remove offsets, assuming that any remaining offsets are insignificant. We model potential offsets as a Heavyside step function in all three directions, which we scale by the difference between the median positions of the 14 days before and after the offset time.Gravity data for the entire state of Nevada and adjacent parts of California, Utah, and Arizona are available on this CD-ROM. About 80,000 gravity stations were compiled primarily from the National Geophysical Data Center and the U.S. Geological Survey. Gravity data was reduced to the Geodetic Reference System of 1967 and …We attempted to use GNSS data from the Nevada Geodetic Lab database to register the InSAR data. ... the subsidence of a few mm/yr apparent from InSAR could be overlooked due to the lack of an appropriate geodetic monitoring component. In Tianjin, subsidence of 50 mm/yr LOS is observed on the northeast corner just outside of the city ...The Nevada Geodetic Laboratory/Nevada Bureau of Mines and Geology is engaged in new and ongoing work on the Walker Lane in the western Great Basin of the United States. Mike Wolterbeek (UNR) summarized these efforts in a new Nevada Today magazine piece on new efforts and technologies that are being used to read the signs of …SUMMARY. The geothermal field at Brady Hot Springs, Nevada has subsided over the past decade. Between 2004 and 2014, the rate of downward-vertical displacement was on the order of 10 mm yr −1, as measured by two independent geodetic techniques: interferometric synthetic aperture radar (InSAR) and Global Positioning System.The …Nevada Geodetic Lab - Basin and Range Deformation and Dynamics | Home | People | Contact | About us | Vacancies | News Archive | MAGNET ... Geodetic observation of contemporary deformation in the northern Walker Lane: 1. Semipermanent GPS strategy, p. 1–15, doi: 10.1130/2009.2447(01).Nevada Geodetic Lab - Basin and Range Deformation and Dynamics | Home | People | Contact | About us | Vacancies | News Archive | MAGNET ... Geodetic observation of contemporary deformation in the northern Walker Lane: 1. Semipermanent GPS strategy, p. 1–15, doi: 10.1130/2009.2447(01).The Nevada Bureau of Mines and Geology (NBMG) is a research and public service unit of the University of Nevada and is the state geological survey. NBMG is part …Characteristic differences in tropospheric delay between Nevada Geodetic Laboratory products and NWM ray-tracing. J Ding, J Chen, J Wang, Y Zhang. GPS Solutions 27 (1), 47, 2023. 3: 2023: Spatial–Temporal Variability of Global GNSS-Derived Precipitable Water Vapor (1994–2020) and Climate Implications.We analyzed daily GNSS time series processed at the Nevada Geodetic Laboratory (NGL) 58 from 17 September 2015 to 31 December 2020. We selected GNSS stations with sufficient temporal coverage ...Geodetic determination of strain at the Nevada Test Site following the Handley event* J. C. Savage; ... a nuclear explosion at the Nevada Test Site with yield in excess of 1 megaton, suggest that the explosion induced an east-west extension of …Feb 17, 2020 · Graduate Student Opportunities. We are always interested in hearing from students or potential students in the fields of geodesy, tectonics, geophysics, geomatics, and mathematics who are interested in carrying out research in geodesy while studying for an M.S. or Ph.D in Geophysics at UNR. First, we process ~2,700 Global Positioning System (GPS) data spanning 1996–2017 provided by the Crustal Movement Observation Network of China (CMONOC) network and the Nevada Geodetic Laboratory. To produce a robust tectonic velocity solution, we implement a data editing scheme to account for 8 Mw ≥ 7 earthquakes to …As of this article’s publication in August 2020, those who have exhausted their unemployment benefits claims in Nevada may be eligible for 13 more weeks of regular employment insur...After strict quality control and data preprocessing, we have calculated and compared the bias and standard deviation of tropospheric delay for approximately 7000 selected Nevada Geodetic Laboratory (NGL) GNSS stations in 2020 with the European Centre for Medium-Range Weather Forecasts (ECMWF) Reanalysis v5 (ERA5) hourly …Lithium, a highly sought-after metal, is a key component in the production of rechargeable batteries used in electric vehicles (EVs), smartphones, and other electronic devices. The...Geodetic Laboratory products and NWM ray-tracing Junsheng Ding 1,2 · Junping Chen 1,2,3 · Jungang Wang 1,4,5 · Yize Zhang 1 Received: 11 May 2022 / Accepted: 19 December 2022In this research, we calculate and analyze the bias and standard deviation (std) values from the tropospheric delay data of approximately 7000 GNSS stations that … Nevada Geodetic Laboratory Nevada Bureau of Mines and Geology Mackay School of Earth Sciences and Engineering University of Nevada, Reno Business telephone: (775) 682-8778 Fax: (775) 784-1709 E-mail: [email protected] . Education. Ph.D. Physics, California Institute of Technology, 1986 SUMMARY. The geothermal field at Brady Hot Springs, Nevada has subsided over the past decade. Between 2004 and 2014, the rate of downward-vertical displacement was on the order of 10 mm yr −1, as measured by two independent geodetic techniques: interferometric synthetic aperture radar (InSAR) and Global Positioning System.The …We propose a MATLAB toolbox for the computation of the strain rate field from the coordinate time series of some continuous GNSS stations. It consists of several functions, also compatible with GNU Octave, implementing the following steps: (i) time series download from a data repository (e.g., the Nevada Geodetic Laboratory …GNSS daily time series of 11 IGS stations and 3 Memphis stations were downloaded from the Nevada Geodetic Laboratory (Nevada Bureau of Mines and Geology, University of Nevada; ...
Jan 8, 2024 · Two innovations are presented for coordinate time-series computation. First, an improved solution is given to a century-old problem, that is the non-iterative computation of conventional geodetic (CG: latitude, longitude, height) coordinates from geocentric Cartesian (GC: x, y, z) coordinates. The accuracy is 1 nm for heights < 500 km and < 10−15 rad for latitude at any point, terrestrial or ... . Roots tv series wiki
The 15 May 2020, M 6.5 Monte Cristo Range, Nevada earthquake (MCE) occurred inside the footprint of the semicontinuous MAGNET and continuous Network of …Feb 26, 2024 · Nevada Geodetic Lab - Publications. 2021. Faulds, J.E., R.D. Koehler, K.D. Smith, C. Kreemer, W.C. Hammond, C.M. dePolo, G. Kent, 2021, Review of previous geologic ... RENO, Nev., May 10, 2021 /PRNewswire/ -- Go Solar Group, a residential solar installer based in Reno Nevada; and Albuquerque, New Mexico, has publ... RENO, Nev., May 10, 2021 /PRNe...Nevada Geodetic Lab uses GPS and radar for most precise measurements over entire mountain rangeOctober 15, 2007 17:28 WSPC - Proceedings Trim Size: 9in x 6in manus 1 THE GLOBAL GEODETIC OBSERVING SYSTEM H.-P. PLAG1, M. ROTHACHER2, M. PEARLMAN3, R. NEILAN4, C. MA5 1 University of Nevada, Reno, Nevada Bureau of Mines and Geology and Seismological LaboratoryGPS time series solutions generated by the Nevada Geodetic Laboratory at the University of Nevada at Reno (UNR) are also available. The UNR AC analyzes data from over …Gostaríamos de exibir a descriçãoaqui, mas o site que você está não nos permite.NSF Project 1615253, "Collaborative Research: Using GPS to Unravel the Long-Term Kinematics and Dynamics of the American Southwest from an Ever-Changing Deformation Field", to Kreemer and Blewitt. In the past, …The GNSS station coordinates time series are taken from the Nevada Geodetic Laboratory (Blewitt et al., 2018, Young et al., 2021) 3. In order to show the efficiency of using uncertainties in deep learning for GNSS time series prediction, we have taken 1000 time series, which are located in different parts of the world.This is a 5-min Integrated Water Vapor (IWV) product from 12,552 ground-based GPS stations worldwide in 2020. It contains 1,093,591,492 IWV estimates in total. The dataset is an enhanced version of the existing operational GPS IWV dataset from Nevada Geodetic Laboratory. The enhancement is reached by using accurate meteorological …We show that geodetic and geologic slip rates in Southern California can be reconciled using a viscoelastic earthquake cycle model that explicitly incorporates time ... to Plutons, Volcanoes, Faults, Reefs, Dinosaurs, and Possible Glaciation in Selected Areas of Arizona, California, and Nevada. Geodetic constraints on contemporary ...Liu_etal_ITRF2008ts_UNRcomparison.zip contains plots comparing our timeseries in ITRF2008 (Figures 3-4, light gray) with those from the Nevada Geodetic Laboratory (NGL). vel_interp_ODRENGL.txt gives the estimated India-relative linear velocities at all stations (main text section 2; Figures 3-4, orange; Figure 5 and 7, red …Jan 4, 2024 · The Nevada Geodetic Laboratory processes data from a global network of about 17,000 geodetic GPS stations. Fig 2. GPS stations (circles) and observed rate of vertical velocity of continental North America. Glacial isostatic adjustment dominates the field: uplift (red) in Canada and subsidence (blue) in the United States. .