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S. Witman

Cows lounge in a tree-dotted pasture in central Chile
Posted inResearch Spotlights

Are Studies That Evaluate Ecosystem Services Useful?

by S. Witman 2 August 20172 November 2021

Ecologists find flaws in the approach to research that focuses on services ecosystems provide to humans. These flaws limit certain studies’ utility.

A new study shows the role of small, still-water wetlands in combating algae growth.
Posted inResearch Spotlights

Small Wetlands Retain Lion’s Share of Nutrients

by S. Witman 31 July 201721 December 2022

Still-water ecosystems are key to combating explosive algae growth.

Researchers analyze seafloor sediment cores to understand past behavior of the Black Current
Posted inResearch Spotlights

Sediment Cores Reveal Ocean Current’s Past Life

by S. Witman 28 July 20179 May 2023

East Asia’s Black Current may have rerouted in the past 10,000 years or so.

Researchers look at Hubble images to spot secondary arcs of Jupiter’s aurora.
Posted inResearch Spotlights

Hubble Reveals Less Studied Regions of Jupiter’s Auroras

by S. Witman 25 July 201711 August 2022

With a dose of fiery plasma, the secondary arcs of Jupiter’s aurora shine bright.

Researchers assess how rough seafloor terrain influences waves
Posted inResearch Spotlights

Modeling Ocean Waves over Rocky Reefs

by S. Witman 12 July 201724 February 2023

A field survey in Australia links rugged seafloor terrain to erosion-causing waves.

New research reveals how timing may determine the impacts of deforestation
Posted inResearch Spotlights

Deforestation Effects as Different as Night and Day

by S. Witman 16 June 20172 November 2021

Study investigates how deforestation can cause different land surface temperature effects depending on the time of day.

Researchers try a new method to improve precipitation models
Posted inResearch Spotlights

Shedding Light on Intermittent Rainfall

by S. Witman 14 June 20177 October 2022

A study provides a new modeling method to simulate rain when it pours and when it doesn’t.

Researchers assess whether plantations for biofuel and carbon storage could help the world meet the terms of the Paris Agreement
Posted inResearch Spotlights

Removing Carbon from the Ground Up

by S. Witman 9 June 201720 October 2021

Massive plantations for storing carbon and growing biofuel won’t achieve the Paris Agreement’s “2-degree guardrail,” but they could help.

Modeling offers a glimpse of how cyclones impact the ocean depths
Posted inResearch Spotlights

Impacts of “Bomb” Cyclones Reach the Ocean Floor

by S. Witman 8 June 201716 December 2021

Japanese researchers study explosive cyclones with models to simulate decades of ocean circulation data.

Researchers explore the links between climate change and ocean tides
Posted inResearch Spotlights

Can Ocean Tides Be Powerful Indicators of Climate Change?

by S. Witman 6 June 201729 March 2023

A new study simulates how ocean warming due to climate change will affect the electromagnetic signal emitted by ocean tides over the next century.

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Features from AGU Publications

Research Spotlights

Mapping the Ocean Floor with Ancient Tides

6 May 20256 May 2025
Editors' Highlights

First Benchmarking System of Global Hydrological Models

7 May 20257 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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