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P. A. Dirmeyer

Editor, JAMES

Storm clouds gather over dry farmland in Nebraska.
Posted inScience Updates

Bridging the Weather-to-Climate Prediction Gap

by A. Mariotti, E. A. Barnes, E. K.-M. Chang, A. Lang, P. A. Dirmeyer, K. Pegion, D. Barrie and C. Baggett 19 February 201930 January 2024

A task force of researchers set out to bridge the gap between the 2-week weather forecast and long-term climate predictions; their findings could help in forecasting the likelihood of extreme events.

Posted inEditors' Highlights

Capturing the Dynamism of Plant Roots in Models

by P. A. Dirmeyer 1 February 2019

Simulating the dynamic nature of plant root profiles in Earth system models improves the representation of the carbon and water cycles.

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.

Posted inEditors' Highlights

Bulging, Shrinking, and Deformation of Land by Hydrologic Loading

by P. A. Dirmeyer 19 June 20181 November 2021

The deformation of continents by groundwater can be measured locally by GPS or detected from satellites, but more precisely monitored when measurements are combined with a hydrologic model.

Posted inEditors' Vox

Coupled from the Start

by P. A. Dirmeyer 2 April 201818 February 2022

Atmosphere and land model development has historically been segregated but coupled processes crucial to prediction and extremes can be properly represented only with a holistic approach.

Posted inEditors' Highlights

A Powerful New Tool to Analyze and Calibrate Earth System Models

by P. A. Dirmeyer 6 March 20189 March 2023

Polynomial chaos and Bayesian compressive sensing are applied to a land surface model to understand how large numbers of tunable parameters interact and may be optimized.

Posted inEditors' Highlights

Wet Soils Elevate Nighttime Temperatures

by P. A. Dirmeyer 5 January 201824 February 2023

Soil moisture can elevate overnight temperatures, offsetting daytime cooling, especially over areas of strong land-atmosphere interactions.

Posted inEditors' Highlights

Improved Simulation of Gross Primary Productivity

by P. A. Dirmeyer 10 November 201717 March 2023

A new model better explains seasonal variations in biomass.

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