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CC BY-NC-ND 2019

Chart showing dependence of drag coefficients for the air-sea exchanges on wind speeds at 10 meters
Posted inEditors' Highlights

Air-Sea Exchanges from a Wave-Following Platform

by Lei Zhou 11 July 201916 December 2021

Data obtained from a wave-following platform are used to calibrate coefficients and multiple parameterizations of air-sea fluxes in swell conditions.

Black-and-orange illustration of a black hole and accretion disk
Posted inNews

New Proof That Accretion Disks Align with Their Black Holes

Rachel Crowell, Science Writer by Rachel Crowell 10 July 201924 May 2022

In the most detailed and highest-resolution black hole simulation to date, an international team of researchers showed the Bardeen-Petterson effect for the first time.

Map showing pattern of Atlantic meridional overturning circulation
Posted inEditors' Vox

Effects of Variability in Atlantic Ocean Circulation

by R. Zhang, R. Sutton, G. Danabasoglu, Y.-O. Kwon, R. Marsh, S. G. Yeager, D. E. Amrhein and C. M. Little 9 July 20192 July 2024

There is strong evidence that the Atlantic meridional overturning circulation plays an essential role in Atlantic multidecadal variability and associated climate impacts.

An illustration of the Taurid meteor stream passing below Earth's orbit
Posted inNews

Fireballs Could Provide Clues to an Outstanding Meteor Mystery

Nola Taylor Redd, Science Writer by Nola Taylor Tillman 9 July 201929 September 2021

Fireballs in the summer sky may signify a chance to probe their mysterious origin.

Detail of Europa’s icy “chaos terrain”
Posted inNews

Mmm, Salt—Europa’s Hidden Ocean May Contain the Table Variety

Katherine Kornei, Science Writer by Katherine Kornei 9 July 20197 March 2022

Hubble Space Telescope observations suggest that sodium chloride exists in young, geologically active regions on Europa, likely fed by upwelling from the moon’s subsurface ocean.

Posted inEditors' Highlights

Solar Properties Rival for Control of Mars’s Bow Shock

by Michael W. Liemohn 9 July 20194 May 2022

While most planetary bow shocks are controlled by the solar wind, at Mars the solar EUV flux is equally important.

Photo of the Yangtze River flowing through a valley lined with greenery and agricultural terraces in China
Posted inFeatures

Forgotten Legacies: Understanding Human Influences on Rivers

by E. Wohl 8 July 20198 October 2021

Logging, urbanization, and dam building are a few ways people have significantly altered natural river ecosystems. Understanding that influence is a grand challenge of our time.

A manmade lake in front of a power plant sits behind a chain link fence designed to keep boats away from the site.
Posted inNews

A North Carolina Lake’s Long Legacy of Coal Ash Spills

Mary Caperton Morton, Science Writer by Mary Caperton Morton 8 July 20191 October 2021

A new case study suggests that Sutton Lake has been contaminated by multiple coal ash spills, most of them apparently unmonitored and unreported.

Abstract drawing of multicolored circles
Posted inOpinions

An Evolutionary Leap in How We Teach Geosciences

by K. St. John, K. Bitting, C. Cervato, K. A. Kastens, R. Heather Macdonald, J. McDaris, K. S. McNeal, H. Petcovic, E. Pyle, E. Riggs, K. Ryker, S. Semken and R. Teasdale 8 July 201923 February 2023

New research into the ways that students learn and apply their knowledge is changing teaching methods and undergraduate geoscience course content.

Posted inEditors' Highlights

Red and Green Aurora Stop and Go for Different Reasons

by Viviane Pierrard 5 July 201911 August 2022

Green-line arc is found to be embedded within large-scale upward field aligned currents while red-line-only arc is found to be associated with low-energy precipitation bursts.

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