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Instruments and techniques

The ultrahigh-vacuum chamber of an optical clock operated by the National Metrology Institute of Germany. Inside the chamber, strontium atoms are cooled by a laser.
Posted inAGU News

Build It, and the Science Will Come

by Heather Goss 20 December 202120 December 2021

In January, Eos takes a look at the scientists who know that sometimes the answer to a question is a screwdriver.

A view of Earth’s thin atmosphere from the International Space Station.
Posted inAGU News

Paying Attention to the “Ignorosphere”

by Heather Goss 22 April 20213 November 2021

Scientists discuss geospace and what we could learn if we put some more eyes on this region in the atmosphere. Read more in our special themed issue.

Lightning flashes during a tornadic storm in Oklahoma.
Posted inFeatures

Lightning Research Flashes Forward

by Heather Goss 24 April 202022 November 2021

A greater understanding of lightning mechanisms is spurring the development of more accurate weather forecasting, increased public health precautions, and a more sophisticated understanding of lightning itself.

Lightning flashes over a city
Posted inAGU News

Investigating the Spark

by Heather Goss 24 April 202022 November 2021

In May, we look at lightning—what it tells us about dangerous weather, how to find it on other planets, and what we might learn if we get all that data in one place.

Multiple lightning strikes descend from clouds at night
Posted inNews

Mapping Lightning Strikes from Space

by Richard J. Sima 13 March 202022 November 2021

A new technique spatially tracks lightning in real time and has been adapted by the National Weather Service.

Bolts of lightning strike a Swiss valley at night
Posted inNews

New Study Hints at Bespoke Future of Lightning Forecasting

by Jon Kelvey 13 February 202012 May 2020

Researchers used machine learning to develop a model that can predict lightning strikes to within 30 minutes of their occurrence and within 30 kilometers of a weather station by using just four simple atmospheric measurements.

An illustration of rainfall estimates from ground-based radar and spaceborne Tropical Rainfall Measuring Mission (TRMM) radar
Posted inEditors' Highlights

Machine Learning Improves Satellite Rainfall Estimates

by Valeriy Ivanov 31 October 201924 October 2019

A new deep learning approach bridges ground rain gauge and radar data with spaceborne radar observations of Tropical Rainfall Measuring Mission to improve precipitation estimation.

Map of continental USA showing horizontal distribution of the mean of the logarithmic eddy dissipation rate in the troposphere
Posted inEditors' Highlights

Radiosondes Measure Atmospheric Turbulence Over North America

by William J. Randel 16 August 20191 August 2019

Analyses of high-resolution radiosonde balloon measurements have provided a novel climatology of atmospheric turbulence parameters in the troposphere and lower stratosphere.

Wispy cirrus clouds hover high above an open farm field.
Posted inResearch Spotlights

A Better Way to Measure Cloud Composition

by E. Underwood 30 July 2019

An enhanced satellite remote sensing suite accurately measures ice particles, temperature, and water vapor.

Aerial view of large metropolitan area
Posted inGeoFIZZ

Hotness and Coldness Indexes Based on the Fahrenheit Scale

by M. M. J. Treacy, C. N. Ramirez and M. O’Keeffe 5 July 20195 July 2019

An undergraduate project redefines the h-index.

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From AGU Journals

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Reviews of Geophysics
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HOT ARTICLE
Geophysical Research Letters
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