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Earth science

Skyline of the downtown business district of Addis Ababa, Ethiopia
Posted inNews

New Hazard Exposure Model for Africa

by Munyaradzi Makoni 31 March 202231 March 2022

The rapid pace of urbanization could encroach on hazard-prone regions without adequate land management and building design regulations, a new modeling project shows.

A river in Katherine, Northern Territory, Australia
Posted inResearch Spotlights

Tree Rings Reveal a Puzzling Trend in Monsoon Intensity

by Saima May Sidik 31 March 202221 July 2022

Tree rings confirm that in northern Australia, the past 40 years have experienced more rain than any similar length of time in the past 600 years.

Fires burn over the mountains close to Lake Elsinore, Calif., on 9 August 2018.
Posted inNews

Wildfires Will Worsen, Warns U.N. Report

by Meghie Rodrigues 30 March 20227 September 2022

From the equator to the Arctic, wildfires are likely to increase, and climate change can make them worse, according to a new United Nations report. Action is still possible, say the authors.

A person holding soil lets it fall from one hand to the other with a blurred background.
Posted inNews

Traditional Fertilizers Beat Out Industrial Chemicals in Soil Health Test

by Andrew Chapman 29 March 202229 March 2022

New research in western India found that fertilizer based on Traditional Ecological Knowledge made soil more fertile in a head-to-head test with industrial fertilizers.

Meltwater draining through a crack in a glacier
Posted inNews

It’s Getting Hot Under Greenland

by Danielle Beurteaux 29 March 202229 March 2022

Meltwater draining through an area of the Greenland Ice Sheet creates enough energy to rival that of a massive hydroelectric power station, researchers say.

In the humid highlands of San Cristóbal Island, researchers take soil samples from a pit.
Posted inNews

The Galápagos Islands: The Ultimate Outdoor Soil Science Laboratory

by DJ McCauley 28 March 202228 March 2022

A new study has spurred further research into the impacts of soil formation on modern-day problems like heavy metal contamination in agricultural soils.

Nighttime photo of a firefighter holding a hose and spraying water on the Caldor Fire in California.
Posted inNews

Warmer Nights Are Adding Fuel to Nighttime Fires

by Jennifer Schmidt 28 March 202228 March 2022

Cool, moist nights are rarer than they were a few decades ago, and that’s giving wildfires an edge over crews trying to hold fire lines.

Camino dañado por un terremoto en Calexico, California, 2010. El camino muestra grietas en el pavimento. Al fondo se observa un edificio de una planta cercado y el cielo azul.
Posted inNews

Buscando terremotos en la ionosfera

by Nathaniel Scharping 28 March 202228 March 2022

Los terremotos pueden liberar ráfagas de energía eléctrica que se pueden sentir en la ionosfera, a kilómetros por encima de la Tierra. Sin embargo, la teoría sigue siendo controvertida.

Tree-lined cliffs and hills rise from a coastal beach where ocean waves gently wash ashore.
Posted inFeatures

Exploring Subduction Zone Geohazards on Land and at Sea

by Mong-Han Huang, Kristin Morell, Alison Duvall, Sean F. Gallen and George E. Hilley 25 March 20221 June 2022

A new initiative is bringing together scientists to address fundamental questions about subduction zone geohazards, using the latest advances in observation technology and computational resources.

Artist’s concept of the twin satellites in the GRACE program
Posted inResearch Spotlights

Fresh Approaches to Processing GRACE Data

Sarah Derouin, Science Writer by Sarah Derouin 24 March 202221 December 2022

Two studies showcase new methods for analyzing GRACE data that better match the land surface, producing clearer estimates of mass variations.

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