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light

A research vessel next to Arctic ice
Posted inNews

Light Permeates Seasonally Through Arctic Sea Ice

Katherine Kornei, Science Writer by Katherine Kornei 6 September 201925 January 2023

The transmission of sunlight through Arctic sea ice depends on the presence of ice, snow, and melt ponds, data collected over 6 years reveal.

Posted inEditors' Highlights

3D Radiation-Topography Interaction Warms Up Tibetan Plateau

by Z. Li 16 April 20196 December 2022

3-D radiation-topography interaction, which can increase the sunlight absorption by the surface, is missing in all climate models, causing strong cold biases over the Tibetan Plateau.

The Yenisei and Ob Rivers in Russia flow into the Kara Sea
Posted inResearch Spotlights

How Yellowing Seas Will Affect Ocean Temperatures

by E. Underwood 12 April 20191 February 2023

Materials that trap solar heat at the sea surface could cause more extreme temperatures.

Noctilucent clouds near Moscow, Russia, photographed from the SONC balloon at a height of about 8 km on 5 July 2018.
Posted inScience Updates

Looking at “Night-Shining” Clouds from the Stratosphere

by P. Dalin, N. Pertsev, V. Perminov, D. Efremov and V. Romejko 2 April 20193 February 2022

One research group studied noctilucent clouds at large distances from a different point of view, using cameras aboard a meteorological balloon that sailed into the stratosphere.

Venus’s clouds as seen by Mariner 10 in 1974
Posted inNews

Could Life Be Floating in Venus’s Clouds?

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 7 November 20188 September 2022

If present, microbes could explain evolving patterns in the planet’s atmosphere when observed in ultraviolet light.

Satellite image showing how dissolved organic matter influences ocean color.
Posted inResearch Spotlights

Yellow Detritus in the Oceans May Help Reduce Warming

Aaron Sidder, freelance science writer by Aaron Sidder 25 September 20181 February 2023

Dissolved organic matter in the oceans absorbs light near the water’s surface, leading to cooler waters that may help mitigate regional climate warming.

Posted inResearch Spotlights

How to Build a Better Light Trap

by E. Underwood 4 April 201825 March 2022

Nanosized chambers capture bits of light for infinite amounts of time.

Full moon with clouds over Arizona
Posted inNews

Exact Moonlight Measurements Could Aid Earth-Observing Missions

Ilima Loomis, Science Writer by Ilima Loomis 27 November 20172 November 2021

A new telescope’s unprecedented study of subtle variations in lunar light could finally give Earth-facing satellites a common reference point for their observations.

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.

Researchers compare Argo float data with modeling to better understand changes in ocean color and biochemistry
Posted inResearch Spotlights

Autonomous Floats Shed New Light on the Ocean’s Many Hues

Sarah Stanley, Science Writer by Sarah Stanley 11 May 20171 February 2023

Argo float data reveal regional deviations from existing models of the relationship between ocean color and biogeochemistry.

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