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GPS & GIS

GPS station in southern Colorado
Posted inNews

Airborne Gravity Surveys Are Remaking Elevations in the U.S.

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 6 May 20194 April 2023

Measuring gravity’s tiny fluctuations is giving the United States an upgraded system of elevations.

Boat alone on water in Alaska
Posted inNews

NOAA Monitoring Stations Are Off-Line from a GPS Y2K Moment

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 9 April 201923 February 2023

The outage could last until November for some stations.

Geodetic GPS station P311 atop the Sierra Nevada mountains at Coyote Ridge, near Bishop, Calif., elevation 3,699 meters.
Posted inScience Updates

Harnessing the GPS Data Explosion for Interdisciplinary Science

by G. Blewitt, W. C. Hammond and C. Kreemer 24 September 201819 November 2021

More GPS stations, faster data delivery, and better data processing provide an abundance of information for all kinds of Earth scientists.

Planet Earth seen from space with illustrated data networks
Posted inNews

Hack Weeks Gaining Ground in the Earth and Space Sciences

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 14 September 201810 April 2023

Workshops that fuse traditional learning with Silicon Valley–inspired “hack sessions” are giving scientists a new venue to build community and sharpen their skills.

Map of a zoned dolomite crystal in a quartz matrix from the Strelley Pool Formation created using GIS software.
Posted inScience Updates

Making Maps on a Micrometer Scale

by B. J. Linzmeier, K. Kitajima, A. C. Denny and J. N. Cammack 17 May 20187 March 2023

Geographic information system software, created for mapping cities and continents, works equally well with the minuscule layers and inclusions that record a crystal’s history.

Diana Orlandi at the 2017 Virtual Poster Showcase
Posted inAGU News

Virtual Poster Showcase Experienced Steady Growth in 2017

Pranoti Asher, Education and Public Outreach Manager for AGU by P. M. Asher and N. Janick 6 March 20187 March 2023

A pilot project for high schools and a geographic information system map, as well as other embellishments, have enhanced a program that enables students to present research electronically.

Researchers test a new technique to measure hurricane wind speed from space.
Posted inResearch Spotlights

Measuring Hurricane Wind Speed from Space

Alexandra Branscombe by A. Branscombe 1 March 201825 July 2022

A new technique based on GPS signals could provide better wind speed measurements during hurricanes and cyclones.

Researchers analyze recent earthquakes in Chile to better understand how major earthquakes cluster
Posted inResearch Spotlights

Why Do Great Earthquakes Follow Each Other at Subduction Zones?

by Terri Cook 31 March 201716 March 2022

A decade of continuous GPS measurements in South America indicates that enhanced strain accumulation following a great earthquake can initiate failure along adjacent fault segments.

Matt Lancaster sets up a GPS receiver.
Posted inScience Updates

Using Strain Rates to Forecast Seismic Hazards

by E. L. Evans 14 March 20175 October 2022

Workshop on Geodetic Modeling for Seismic Hazard; Menlo Park, California, 19 September 2016

Posted inEditors' Vox

Global Positioning System Sparks New Data Revolution

by D. J. Knipp 30 January 201712 January 2023

Energetic particle data from the Global Positioning System constellation opens avenues for new research.

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