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Evapotranspiration

Four plots comparing the accuracy of predicted latent heat and sensible heat fluxes with observations from flux towers.
Posted inEditors' Highlights

Combining Deep Learning Methods with Process-based Models

by Marc F. P. Bierkens 2 July 202128 September 2021

Using turbulent heat fluxes as an example, a new study shows that exchange of information between process-based models and deep learning methods may lead to improved predictions.

Posted inResearch Spotlights

A Well-Balanced Ecosystem Uses Water Most Efficiently

by Elizabeth Thompson 13 May 202128 September 2021

Excess of a single nutrient, such as nitrogen, may boost plant productivity, but the imbalance leads to less efficient water use as plants scramble for the nutrients they lack.

Six plots showing spatial distribution of steady-state groundwater aquifer salinity (colors) and flow streamlines (white) for the two-dimensional simulations of the floodplain
Posted inEditors' Highlights

Evaporation Reverses Groundwater Flow and Forms Hyper-Salinity

by D. Scott Mackay 4 December 202030 November 2020

A numerical model of groundwater-surface water systems shows how floodplain evaporation can reverse stream-groundwater flow and produce strong buoyancy changes associated with salinity.

Smoke billows in the distance from a mountain near Ukiah, Calif., as motorists drive down a street in the foreground.
Posted inResearch Spotlights

“Thirstier” Atmosphere Will Increase Wildfire Risk out West

by Sarah Stanley 2 December 2020

New climate projections could inform long-term wildfire and water resources management strategies in California and Nevada.

A student collects soil moisture data from an instrument in the field.
Posted inResearch Spotlights

Are Soil Moisture and Latent Heat Overcoupled in Land Models?

by Aaron Sidder 9 April 2019

A novel statistical approach demonstrates how to reduce bias in remote sensing estimates of soil moisture and latent heat flux coupling strength and clarifies the relationship between the variables.

A dry drainage basin in Sossusvlei, Namibia
Posted inResearch Spotlights

What Climate Models Get Wrong About Future Water Availability

by E. Underwood 5 April 2019

Models that accurately represent past and present rainfall provide more accurate projections of water availability, a new study suggests.

Twilight in the Tapajós National Forest, seen from an observation tower
Posted inResearch Spotlights

A Simplified Model of Water Vapor Exchange in the Amazon

by Aaron Sidder 27 March 2019

Evapotranspiration is the exchange of water vapor between land and the atmosphere, and it is hard to measure and model. A new study shows promise for its estimation over large, vegetated landscapes.

A satellite image of urban sprawl in Shanghai
Posted inResearch Spotlights

The Urban Dry Island Effect

by E. Underwood 28 February 2019

A study of the Yangtze River Delta shows how urbanization dries out the atmosphere.

Vegetation dynamics in Amazonia
Posted inEditors' Highlights

Seasonal Leaf Production Is Key Control on Amazon Carbon Balance

by G. Vourlitis 12 July 2018

Characterizing leaf phenology in process-based models reconciles both “dry season green-up” and drought controls on Amazonian carbon balance.

lake-mead-nevada-reservoir
Posted inScience Updates

New Interest in Reservoir Evaporation in Western United States

by B. Livneh, K. Friedrich and P. D. Blanken 23 March 201623 March 2016

Reservoir Evaporation Workshop; Boulder, Colorado, 22–23 October 2015

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