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mapping

Blue sea meeting red sands along Western Australia coast
Posted inNews

Australia’s Complex Intertidal Zones Mapped in 3-D

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 2 August 20193 November 2021

Intertidal zones support biodiverse habitats but have lost serious ground in recent decades to development, erosion, and sea level rise.

Photo of a jetty and ocean beach
Posted inNews

Huge Aquifer Imaged off the Atlantic Coast

Mary Caperton Morton, Science Writer by Mary Caperton Morton 30 July 20193 November 2021

Offshore aquifers may be a common feature along passive continental margins around the world.

A visualization from space of rivers in Southeast and East Asia from a new global river map.
Posted inResearch Spotlights

A More Accurate Global River Map

by E. Underwood 12 July 201915 March 2023

A new map of global river systems is based on crowdsourcing and the latest topography data sets.

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.

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