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Hydrology

The Valfredda River in the Italian Dolomites, pictured at three different dates, changes configuration in response to precipitation and dry cycles in the landscape.
Posted inResearch Spotlights

A Probabilistic Model for Classifying Temporary Rivers

by Morgan Rehnberg 17 May 202220 May 2022

The model relies on measurable broad-scale attributes, increasing its flexibility for use in diverse environments.

Experimental design of the calibration and testing experiments performed by Shen et al.
Posted inEditors' Highlights

Hydrologists Should Reconsider How They Calibrate Their Models

by Marc F. P. Bierkens 15 April 202214 April 2022

A new study suggests that the commonly used split sample approach in hydrology, where time series are divided into a part for model calibration and a part for model validation, should be abandoned.

Posted inEditors' Highlights

Urbanization and Surface Water Loss Go Together  

by Ana Barros 24 February 202215 March 2022

Mapping surface water loss from satellite data confirms decreases away from urban areas. A simple exponential distance-decay model approximates the impact of urbanization.

An artist's rendering shows a gold-coated satellite with solar panels above Earth's surface against the backdrop of the dark space sky
Posted inEditors' Highlights

Transforming Hydrology by Integrating Sensors and Disciplines

by Tissa Illangasekare 29 November 202130 November 2021

Satellite sensing has transformed hydrology by providing global information on variables and fluxes. Breakthroughs will come from integrating sensing information and cross-disciplinary approaches.

An extratropical cyclone over the U.S. Midwest
Posted inResearch Spotlights

Improving Weather Simulations Through Increased Generality

by Morgan Rehnberg 3 August 202128 September 2021

By adding support for spatially variable velocity fields and anisotropy, the CoSMoS simulation package can more accurately reproduce physical phenomena.

Aerial view of Lake Oroville near Enterprise Bridge in California on 23 October 2015 showing low water levels
Posted inFeatures

Better Subseasonal-to-Seasonal Forecasts for Water Management

by M. J. DeFlorio, F. M. Ralph, D. E. Waliser, J. Jones and M. L. Anderson 23 June 202129 September 2021

Emerging methods that improve precipitation forecasting over weeks to months could support more informed resource management and increase lead times for responding to droughts and floods.

Workers clear flood and landslide debris from a cliffside
Posted inNews

Migrant Workers Among the Most Vulnerable to Himalayan Disasters

by Rishika Pardikar 12 April 202128 September 2021

Critics say companies are failing to develop adequate emergency procedures to protect construction workers on hydropower plants in the Himalayas.

A rainy day outside the Mall of the Emirates in Dubai
Posted inNews

Can Newspaper Reporting Uncover Flood Risk?

by Sarah Derouin 2 November 202029 September 2021

In areas of low or no flood monitoring, archival coverage of historical flooding can help scientists make better risk predictions.

The skyline of Panama City, Panama, with fishing boats in the foreground
Posted inScience Updates

Torrential Rains and Poor Forecasts Sink Panama’s Infrastructure

by A. Bezanilla-Morlot, A. Centella-Artola, M. Sierra-Lorenzo and I. Borrajero-Montejo 27 October 202029 September 2021

Scientists are working to improve the forecasting of heavy rains in Panama following several events over the past decade that caused substantial flooding and damage.

Map of Bangladesh showing levels of drinking water salinity
Posted inEditors' Highlights

Does Drinking Water Salinity Affect Child Mortality?

by Avner Vengosh 25 June 202012 June 2020

An association between drinking water salinity and neonatal and infant mortality in Bangladesh indicates the critical role of water salinity on child health.

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