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remote sensing

Young plant shoot growing in soil
Posted inEditors' Vox

The Paramount Societal Impact of Soil Moisture

by M. Tuller, E. Babaeian, S. B. Jones, C. Montzka, Harry Vereecken and M. Sadeghi 23 July 20198 November 2022

Recent technological innovations offer new opportunities for soil moisture characterization and monitoring from the pedon to global scales.

Map showing differences in sea surface salinity between two experiments
Posted inEditors' Highlights

Salinity from Space Improves El Niño Forecasts

by Kristopher B. Karnauskas 17 July 201916 December 2021

Assimilating satellite observations of ocean surface salinity significantly improves coupled model forecasts of El Niño.

Hyperspectral imagery shows part of Swain Reefs off the eastern coast of Australia.
Posted inScience Updates

Teams Invited to Test Coastal Hyperspectral Imaging Algorithms

by M. A. McManus and E. Hochberg 15 July 201929 March 2023

Hyperspectral Remote Sensing of Coastal and Inland Waters Webinar; 28 May 2019

On 3 March 2015, Villarrica volcano near Pucón, Chile, erupted briefly but violently, for the first time in 30 years.
Posted inScience Updates

Monitoring Volcanic Craters with Infrasound “Music”

by J. B. Johnson and L. M. Watson 17 June 20195 October 2021

Volcanic craters act as giant horns that emit intense low-frequency sounds. Changes in this infrasound may be used to track rising lava lakes and identify signals of future eruptions.

Figure showing observed and modeled rates of land-surface warming relative to near-surface air during dry spells
Posted inEditors' Highlights

Diagnosing Soil Moisture Impacts on Model Energy Fluxes

by Valeriy Ivanov 13 June 201929 March 2023

Do climate models truthfully mimic how drying soil affects land-surface budget partition?

Distorted railway lines at the North Anatolian Fault due to the 1999 earthquake Aykut Barka
Posted inResearch Spotlights

Variations in Creep Along One of Earth’s Most Active Faults

by Terri Cook 6 June 201918 April 2022

Satellite-based radar images of motion along Turkey’s North Anatolian Fault are helping scientists understand when, where, and how creep occurs and its implications for seismic hazard.

The Polar 6 research airplane in Antarctica
Posted inResearch Spotlights

Missing Lakes Under Antarctic Ice Sheets

by E. Underwood 4 June 201928 July 2022

New radio sounding study finds little evidence of lakes under Antarctica’s Recovery Glacier.

Satellite image of a glacier
Posted inNews

Seismic Clues to Surging Glaciers

Jon Kelvey, Science Writer by Jon Kelvey 24 May 201920 October 2021

Measuring seismic waves passing through a glacier suggests that not only is liquid water playing a role in periodic surging but the water is channeled into cracks from across the ice.

Thóra Árnadóttir setting up GPS instrument in Iceland
Posted inResearch Spotlights

A New Way of Visualizing Iceland’s Crustal Deformation

by Terri Cook 24 April 20196 October 2021

A novel method of calculating strain rates from GPS data shows the South Iceland Seismic Zone is experiencing rapid deformation, including inflation near the island’s most active volcano.

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.

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