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mapping

Photo of a research vessel in front of a tidewater glacier
Posted inResearch Spotlights

Arctic Glacial Retreat Alters Downstream Fjord Currents

Sarah Stanley, Science Writer by Sarah Stanley 14 June 201914 March 2024

High-resolution mapping efforts could improve predictions of coastal changes as glaciers shrink around the world.

A researcher inside the subglacial conduit under Hansbreen, Svalbard
Posted inResearch Spotlights

Mapping Subglacial Meltwater Channels

by E. Underwood 28 May 201923 January 2023

Researchers find that past studies underestimate the friction meltwater channels exert on glaciers by orders of magnitude.

Mekong River in Laos
Posted inNews

Where Did All the Free-Flowing Rivers Go?

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 8 May 201927 April 2022

A map of the world’s free-flowing rivers shows a shrinking number can still meander as they please. New plans for hydropower will further constrain flow.

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.

Meltwater flows in a canyon around 30 meters deep in Greenland.
Posted inResearch Spotlights

Mapping Ice Algal Blooms from Space

by E. Underwood 17 April 20196 July 2022

Satellite data reveal how colorful algae are melting the Greenland ice sheet.

High-resolution map of magnetic field variations in Minnesota showing details of the geology underlying glacial deposits.
Posted inScience Updates

Finding the Gaps in America’s Magnetic Maps

by B. J. Drenth and V. J. S. Grauch 16 April 20194 October 2021

A 2017 executive order mandated a plan to evaluate U.S. access to critical mineral resources, but the airborne magnetic survey maps that support this effort are sadly out of date.

Seated man in a hard hat assesses sediment patterns in a dug trench
Posted inNews

Secrets from the New Madrid Seismic Zone’s Quaking Past

Rachel Crowell, Science Writer by Rachel Crowell 9 April 20198 December 2022

High-resolution lidar topography reveals a long history of ancient earthquakes.

A sunset over Missoula, Montana.
Posted inAGU News

Mapping Heat Vulnerability to Protect Community Health

by K. McCarthy and Z. Valdez 5 April 201915 February 2023

Community leaders and scientists from two U.S. cities are combining public health data and heat maps to prepare residents for climate change–related health risks.

Seamap Australia assists efforts to protect species like the critically endangered spotted handfish.
Posted inScience Updates

Making the First National Seafloor Habitat Map

by V. Lucieer, C. Johnson and N. Barrett 11 March 20196 February 2023

Seamap Australia integrates seafloor maps with information on plant and animal habitats, environmental stressors, and resource management to create a first-of-its-kind resource.

Kody Kramer geologist
Posted inNews

Kody Kramer (1985–2018)

by W. W. Shedd 10 January 201918 May 2022

His vision and persistence created a 1.4-billion-pixel map of the Gulf of Mexico seafloor—a crucial tool in research on the Deepwater Horizon oil spill and a completely new standard for bathymetry maps.

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Research Spotlights

More Bubbles Means More Variation in Ocean Carbon Storage

8 July 20258 July 2025
Editors' Highlights

The Power of Naming Space Weather Events

10 July 20258 July 2025
Editors' Vox

Water Tracks: The Veins of Thawing Landscapes

25 June 202525 June 2025
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