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remote sensing

Researchers use radar imaging to examine how snow temperature influences avalanche behavior
Posted inResearch Spotlights

Peering Beneath the Powder: Using Radar to Understand Avalanches

by Terri Cook 6 April 201831 March 2023

High-resolution radar images from Switzerland’s experimental test site show that snow temperature is a key factor in classifying avalanche behavior.

A new initiative uses satellite data, observations, and communication networks to warn Bangladeshis of cholera hazards.
Posted inScience Updates

Satellites and Cell Phones Form a Cholera Early-Warning System

by A. S. Akanda, S. Aziz, Antarpreet Jutla, A. Huq, M. Alam, G. U. Ahsan and Rita R. Colwell 27 March 201824 February 2023

A new initiative combines satellite data with ground observations to assess and predict the risk of cholera outbreaks in Bangladesh’s vulnerable populations.

Posted inEditors' Highlights

Continental Convection Reaches New Highs

by William J. Randel 12 March 201829 March 2022

Ten years of high-resolution gridded NEXRAD radar data provide a new data set to quantify tropopause-overshooting convection over the continental United States.

Caspian Sea from NASA's Landsat 8
Posted inScience Updates

Toward a Satellite-Based Monitoring System for Water Quality

by N. Pahlevan, S. G. Ackleson and B. A. Shaeffer 5 March 201831 March 2023

Water Quality Workshop for End Users; Greenbelt, Maryland, 27 September 2017

Researchers test a new technique to measure hurricane wind speed from space.
Posted inResearch Spotlights

Measuring Hurricane Wind Speed from Space

Alexandra Branscombe by A. Branscombe 1 March 201825 July 2022

A new technique based on GPS signals could provide better wind speed measurements during hurricanes and cyclones.

View from the International Space Station of lightning in Tropical Cyclone Bansi as it travels over the Indian Ocean in 2015.
Posted inScience Updates

Monitoring Tropical Cyclones with Lightning and Satellite Data

by N. N. Solorzano, J. N. Thomas and C. Bracy 19 February 201831 March 2023

A new storm-following tool continually watches for lightning over the open ocean. Combined with satellite microwave data, the new real-time observations will improve forecasts of tropical cyclones.

Landsat 8 satellite images of the Grand Canyon.
Posted inNews

Report Recommends Priorities for Earth Observations from Space

by Randy Showstack 26 January 201810 April 2023

The new strategic plan, which builds on earlier road maps for observing the planet, identifies top targets for satellite scrutiny for the next decade.

The TROCAS team studied what happens to organic matter as it travels along the Amazon River.
Posted inScience Updates

The Amazon River’s Ecosystem: Where Land Meets the Sea

by N. D. Ward, H. O. Sawakuchi and J. E. Richey 18 January 201831 March 2023

What happens to plant matter on its journey down the Amazon River to the Atlantic Ocean? One research group investigated the region where river and ocean meet to fill in this part of the story.

Researchers use radar satellite imagery to measure changes in the topography of Ecuador’s El Reventador volcano
Posted inResearch Spotlights

Using Radar to Understand How Volcanic Eruptions Evolve

by Terri Cook 5 January 201827 October 2021

Radar satellite imagery can be used to measure constructional changes in the topography of long-lived volcanoes, according to a new study of Ecuador’s El Reventador volcano.

Researchers use satellite data to analyze leaf water content
Posted inResearch Spotlights

Scientists Probe Water Inside Leaves via Satellite

by S. Witman 2 January 201831 October 2022

Improving satellite-based studies of vegetation optical depth, a critical ecosystem indicator.

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