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floods

Photo showing flooded city roads in Thailand. Seven vehicles are driving through the flood waters.
Posted inNews

Paleostorm Chasers Test a New Detection Tool

by Erin Martin-Jones 20 September 202320 September 2023

A method typically used to date sediments shows promise for documenting tropical storms through history—information needed for future projections of storm activity.

A winding river is overflowing its banks.
Posted inNews

Natural Floodplains Are Quickly Vanishing

by Deepa Padmanaban 18 September 202318 September 2023

From 1992 to 2019, 600,000 square kilometers of natural floodplains were lost globally due to land conversion.

Photo of monitoring station in a river and map of study area with mass of bedload transport.
Posted inEditors' Highlights

Seismometers Listening at Rivers to Measure Sediment Transport

by Odin Marc 8 September 20236 September 2023

Bedload sediment, transported throughout an alpine catchment by a flood, was remotely tracked in detail by analyzing the ground vibrations recorded by a network of 24 seismic sensors.

A rural road in Bandera, Santiago del Estero, Argentina, is flooded.
Posted inNews

Farming Is Intensifying Floods in the South American Plains

by Sofia Moutinho 10 August 202310 August 2023

The replacement of native vegetation by crops has raised groundwater levels in the Pampas, a new study suggests.

Layers of stacked sedimentary rock of different thicknesses.
Posted inResearch Spotlights

Specious Timescales from Sedimentary Layers

by Saima May Sidik 12 July 202322 August 2023

Changing environments can dramatically change how quickly layers form in sedimentary rocks, leading to incorrect time estimates.

Photo of a flooded neighborhood.
Posted inEditors' Vox

Unlocking the Secrets of Floods: Breakthroughs in Riverine and Coastal Modeling

by Keighobad Jafarzadegan, Hamed Moftakhari and Hamid Moradkhani 5 July 20235 July 2023

To enhance flood modeling, it is imperative to gain a comprehensive understanding of the causative mechanisms and cutting-edge models and tools, while also acknowledging their uncertainties. 

A river with milky blue water is bordered by trees and fields of grass.
Posted inNews

Forecasting Earthquake-Induced Floods

Katherine Kornei, Science Writer by Katherine Kornei 12 June 202312 June 2023

Surface-rupturing earthquakes can abruptly reroute rivers when fault scarps function like dams. Researchers have now successfully modeled such an event that occurred in New Zealand.

Diagrams showing the two effects of water storage change can be sensed by GPS.
Posted inEditors' Highlights

GPS Observations Sense Groundwater Change in Australia

by Annette Eicker 20 April 202319 April 2023

By exploiting the fact that changes in groundwater cause deformations of the Earth’s surface, GPS receivers are used to detect groundwater changes related to extreme events and to seasonal oscillations.

Diagrams from the paper
Posted inEditors' Highlights

A Turning Point for Estuaries Worldwide

by Gonéri Le Cozannet 4 April 20237 June 2023

As estuarine barriers are built in response to sea level rise, flooding, and salinization, more research is needed to better understand their implications for human activities and ecosystems.

Two hurricanes shown against a dark ocean. A chain of small islands is visible on the left.
Posted inNews

Back-to-Back Hurricanes Could Become Common by 2100

by Nathaniel Scharping 30 March 202330 March 2023

New research shows back-to-back hurricanes could strike the United States every few years by 2100.

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