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Modeling

A researcher checking instruments used to collect soil moisture data
Posted inResearch Spotlights

Evaluating the Efficiency of Data Assimilation

Aaron Sidder, freelance science writer by Aaron Sidder 7 January 201914 June 2022

Information is lost when researchers combine statistical models and remote sensing data, but just how much is often unclear. A new study offers a framework to measure the inefficiency.

Posted inEditors' Highlights

First Multi-Decade Simulation of the Earth’s Radiation Belt

by P. O’Brien 19 December 201827 March 2023

A new simulation of the Earth’s electron radiation belts captures large-scale variations over nearly three solar cycles, and replicates primary cyclical features and extreme behaviors.

Phytoplankton bloom in the Tasman Sea captured by the MODIS instrument on the Aqua satellite on 21 November 2017.
Posted inFeatures

Interpreting Mosaics of Ocean Biogeochemistry

by Andrea Fassbender, A. Bourbonnais, S. Clayton, P. Gaube, M. Omand, P. J. S. Franks, M. A. Altabet and D. J. McGillicuddy Jr. 17 December 201816 April 2025

Advances in technology and modeling capabilities are driving a surge in progress in our understanding of how ocean ecosystems mix and mingle on medium to small scales.

Posted inEditors' Highlights

Measuring the Magnetic Reconnection Rate in the Magnetotail

by Y. Wang 7 December 201818 July 2023

Both simulations and observations are used to measure the magnetic reconnection rate in the Earth’s magnetotail, suggesting that the rate is correlated with the intensity of a magnetic substorm.

A debris jet from chemical explosives detonated by volcano researchers to imitate an eruption
Posted inScience Updates

Facilitating Field-Scale Experiments in Volcano Hazards

by G. Valentine and I. Sonder 4 December 20182 May 2022

Multidisciplinary Volcano Hazards Experiments at the Geohazards Field Station; Amherst and Springville, New York, 24–27 July 2018

Posted inEditors' Highlights

The ILAMB System for Benchmarking Land Surface Models

by P. A. Dirmeyer 29 November 201821 March 2022

An evolving set of tools helps land surface model developers optimize the realism of their parameterizations for the next generation of weather and climate models.

A view of the blue haze of the Earth’s atmosphere
Posted inResearch Spotlights

Satellite Observations Validate Stratosphere Temperature Models

by David Shultz 21 November 20183 May 2022

Since the 1970s, the stratosphere has cooled as ozone levels dropped and carbon dioxide levels increased. Chemical models of the temperature decline conflicted with satellite observations—until now.

Schematic of information theory flow in Earth sciences
Posted inScience Updates

Using Information Theory in Earth Sciences

by C. Prieto, U. Ehret and G. Nearing 10 October 201830 March 2023

Second Workshop on Information Theory and the Earth Sciences; Santander, Spain, 16–19 May 2018

Posted inEditors' Highlights

The Acid Tongue of Climate Change Strikes Our Streams

by Ankur R. Desai 5 October 201821 March 2022

Clear air policies have led to dramatic reductions in acid rain and improved ecosystem health, but it now appears that climate change could counteract those gains.

Ecologist Maria Uriarte of Columbia University records damage that Hurricane Maria did to trees in Puerto Rico
Posted inNews

Congress Throws Tropical Forest Research Program a Lifeline

by G. Popkin 5 October 201813 March 2023

Climate researchers and ecologists laud the continuation of effort to fuse data from tropical forests with modeling.

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