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albedo

World map with radiative forcing data.
Posted inEditors' Highlights

Sensing the Color of Soil for Climate Modeling

Eric Davidson, president-elect of AGU by Eric Davidson 20 July 202328 August 2023

The color of soil reflecting the Sun’s rays affects the Earth’s climate and water cycle. Using satellite data that senses many wavelengths improves soil reflectivity estimates, especially in deserts.

一只驼鹿站在山上,部分被灌木遮挡,背景是松树。
Posted inResearch Spotlights

驼鹿可以给森林地面降温

by Rebecca Dzombak 29 March 202329 March 2023

通过让砍伐整齐的森林变得斑驳,驼鹿在森林中创造出一个反射表面,可以反射阳光并降低温度。

A moose stands on a hill, partially occluded by shrubbery. Pine trees rise in the background.
Posted inResearch Spotlights

Munching Moose Cool Forest Floors

by Rebecca Dzombak 7 March 202329 March 2023

By making clear-cut forests patchier, moose create a reflective surface that bounces back sunlight and keeps temperatures down.

Two graphs showing monthly mean multi-model mean shortwave flux biases over ocean and land.
Posted inEditors' Highlights

AeroCom Models Improved with Aerosol and Albedo Constraints

by Jiwen Fan 20 October 202113 March 2023

Satellite data has been used to correct the aerosol loading and land surface albedo in several AeroCom models, which has improved shortwave flux biases between models and observations.

Posted inEditors' Highlights

Is Earth’s Albedo Symmetric Between the Hemispheres?

by Sarah Kang 11 August 202122 April 2022

The two hemispheres feature the same planetary albedo despite a larger land fraction in the north, because storms over the southern ocean are cloudier than their northern counterparts.

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.

A horizon on the ocean
Posted inNews

Ice Drove Past Indo-Pacific Climate Variance

Sarah Derouin, Science Writer by Sarah Derouin 2 April 20192 March 2023

Researchers used both terrestrial and marine proxy data to reconstruct the dramatic and dynamic climatic changes.

Researchers simulate sulfate aerosol injections to better understand how solar geoengineering projects can be tailored to combat climate change
Posted inResearch Spotlights

Tailoring Aerosol Injections to Achieve Desired Climate Effects

by Terri Cook 16 April 20186 July 2022

Two-dimensional simulations of sulfate aerosol injections suggest that solar geoengineering projects can be customized to maximize solar reflection and help achieve potential climate objectives.

We may be overestimating how reflective Earth is—and underestimating how much energy the planet’s ice sheets are absorbing.
Posted inResearch Spotlights

On-the-Ground Measurements Overestimate Earth’s Albedo

by David Shultz 18 August 20176 July 2022

Weather stations can be used to calibrate and validate albedo measurements from satellites, but they fail to account for variability across landscapes, overestimating how reflective our planet is.

Satellite image of land surface in South Asia, observed in August 2004, from the Blue Marble data set.
Posted inResearch Spotlights

The Competing Climate Effects of Elevation and Albedo

by Terri Cook 1 August 20176 July 2022

Variations in surface reflectivity are as important as surface elevation changes in determining regional climate at nonpolar latitudes, according to a new modeling study.

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