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mapping

A true-color satellite image of the Gulf of Mexico on 17 July 2019
Posted inScience Updates

Filling the Gaps in Ocean Maps

by X. Liu and M. Wang 21 November 20199 February 2022

A new software application merges ocean color data from instruments aboard two satellites to provide gap-free, near-real-time monitoring of the global ocean environment.

A brown cow grazing in a green meadow in Colombia
Posted inNews

How Conflict Influenced Land Use in Colombia

Kate Wheeling, freelance science writer by Kate Wheeling 20 November 20192 November 2021

Researchers use new maps and statistical techniques to infer how armed conflict influenced land cover in the understudied Caribbean region of the country.

An iceberg floats in the Southern Ocean.
Posted inResearch Spotlights

Ship-Based Measurements Overestimate Southern Ocean Carbon Sink

Kate Wheeling, freelance science writer by Kate Wheeling 19 November 201917 August 2022

New research suggests that combining ship- and float-based observations provides a more accurate measure of how much carbon the Southern Ocean absorbs.

Illustration of a boat sailing across a black background with colorful plankton in its wake
Posted inNews

Plankton Biodiversity Mapped Globally

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 14 November 20194 January 2023

A team of scientists sailed around the world to catalog the diversity of plankton species in the ocean. Their findings have important economic implications as climate warms.

Colorful satellite image of the location where a submarine canyon’s deep waters meet the Grand Bahama Bank
Posted inNews

How Do Submarine and Terrestrial Canyons Compare?

Rachel Crowell, Science Writer by Rachel Crowell 6 November 201929 June 2022

Insights from a new study could spark discoveries about Martian landscapes and also help researchers get to the bottom of canyon formation here on Earth.

Physical world map showing the tectonic plate boundaries with their movement vectors and selected hot spots
Posted inNews

Podcast: Plate Tectonics, the Theory That Changed Earth Science

Nanci Bompey, assistant director of AGU’s media relations department by N. Bompey 22 October 20194 October 2022

Third Pod from the Sun talks with pioneering geophysicist Xavier Le Pichon about what it was like to be a young scientist challenging deeply held theories.

World maps showing estimated width and mean discharge of all mapped reaches
Posted inEditors' Highlights

Reconstructing Natural Streamflow at Unprecedented Resolution

by Marc F. P. Bierkens 3 September 20196 February 2023

A new research effort has mapped 35 years of naturalized streamflow for 2.94 million river reaches worldwide: an invaluable dataset for hydrology, biogeochemistry, ecology, and remote sensing.

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.

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Features from AGU Publications

Research Spotlights

Tracing Black Carbon’s Journey to the Ocean

11 July 202510 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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