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Aaron Sidder, freelance science writer

Aaron Sidder

Aaron Sidder is a freelance writer based out of Denver, Colo. He has a master’s degree in ecology from Colorado State University. Aaron was an AGU-sponsored AAAS Mass Media Science & Engineering Fellow at National Geographic in 2016, and he has been writing for Eos ever since. In addition to Eos and National Geographic, he has written for National Geographic Kids Magazine, Smithosonian Smart News, 5280 Magazine, and the Santa Fe Institute. In his free time, he cultivates an extensive—and growing—collection of field guides from around the country.

A stream flowing down a valley
Posted inResearch Spotlights

Modeling River Boulders to Improve Hydropower Sustainability

Aaron Sidder, freelance science writer by Aaron Sidder 30 April 20199 March 2023

Large stones in streams provide crucial habitat for fish. Modeling the boulders and streamflow offers fresh insights into how water engineering projects alter aquatic habitats.

Tracers of ecosystem respiration
Posted inResearch Spotlights

Understanding Stream Metabolism with Reactive Tracers

Aaron Sidder, freelance science writer by Aaron Sidder 29 April 20197 March 2022

When the blue dye resazurin encounters living microorganisms, it transforms into fluorescent pink resorufin and helps scientists understand ecosystem respiration, but it has its limitations.

JIRAM camera on the Juno spacecraft captured Jupiter’s infrared aurora near its southern pole
Posted inResearch Spotlights

Jupiter’s Northern Lights on Display in Otherworldly Movie

Aaron Sidder, freelance science writer by Aaron Sidder 26 April 201914 February 2022

The first movie of Jupiter’s infrared aurora gives scientists a new look at the Jovian magnetic field.

A flooded soybean field in central Iowa in July 2018.
Posted inResearch Spotlights

Soil Wet Spots Drive Agricultural Nitrogen Gas Emissions

Aaron Sidder, freelance science writer by Aaron Sidder 16 April 201920 October 2021

A new study offers novel insights into the mechanisms driving gas releases in agricultural regions.

Drone photo of a shoal in the Turks and Caicos Islands
Posted inResearch Spotlights

Old Idea Spurs New Research into Origins of Carbonate Mudstones

Aaron Sidder, freelance science writer by Aaron Sidder 12 April 201926 October 2022

Using modern techniques, scientists tested an old hypothesis about carbonate mud production to shift the thinking about rocks that are used as seawater archives and a source of petroleum.

A student collects soil moisture data from an instrument in the field.
Posted inResearch Spotlights

Are Soil Moisture and Latent Heat Overcoupled in Land Models?

Aaron Sidder, freelance science writer by Aaron Sidder 9 April 20191 March 2023

A novel statistical approach demonstrates how to reduce bias in remote sensing estimates of soil moisture and latent heat flux coupling strength and clarifies the relationship between the variables.

An artist’s rendering of the Gravity Recovery and Climate Experiment, or GRACE
Posted inResearch Spotlights

Improving Water Resources Management with Satellite Data

Aaron Sidder, freelance science writer by Aaron Sidder 8 April 20196 March 2023

An extensive review reveals that remote sensing is changing the way we manage water resources and suggests that the coming years will bring both exciting advancements and new challenges.

Space shuttle Endeavour in 2010 with a multihued view of Earth’s atmosphere layers
Posted inResearch Spotlights

The Thermosphere Responds to a Weaker Than Normal Solar Cycle

Aaron Sidder, freelance science writer by Aaron Sidder 5 April 201927 March 2023

Infrared emissions from nitric oxide and carbon dioxide in Earth’s upper atmosphere, which are closely tied to incoming solar radiation, are drastically lower than in the previous solar cycle.

The Yellow River rushes over the Hukou Waterfall in China
Posted inResearch Spotlights

Through Flood and Drought: Reconstructing the Yellow River

Aaron Sidder, freelance science writer by Aaron Sidder 4 April 201915 October 2021

Tree ring chronologies fill in gaps in the historical record and offer insights into the natural flow of China’s Yellow River.

A view of poor air quality in Delhi, India.
Posted inResearch Spotlights

Aerosol Particle Size May Contribute to Varying Health Responses

Aaron Sidder, freelance science writer by Aaron Sidder 4 April 201923 March 2023

Particulate matter in the atmosphere derives from industrial and environmental sources. The size of the particle determines how it deposits in the body and leads to different health challenges.

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First Benchmarking System of Global Hydrological Models

7 May 20257 May 2025
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Decoding Crop Evapotranspiration

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