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floods

A woman walks through knee-high floodwaters in a narrow street in Assam, India.
Posted inNews

New Recommendations for a Proactive Flood Policy in India

by T. V. Padma 17 September 202026 October 2022

As India grapples with devastating monsoon floods, a new review supports greater investment in nonstructural solutions.

Funafuti atoll, in Tuvalu
Posted inNews

A Brighter Future for Coral Reef Islands

Hannah Thomasy, Science Writer by Hannah Thomasy 15 July 20203 November 2021

Although some islands demonstrate more resiliency than previously thought, island communities may require significant flood-resistant infrastructure to maintain their way of life.

Motor homes stand amid floodwater
Posted inResearch Spotlights

More Warming Means Worse Impacts from Runoff and Drought

by David Shultz 15 July 202029 September 2021

New research highlights differences in drought and flood hazards globally under 1.5°C versus 2°C temperature increases and estimates associated human and economic effects.

High water enters metal structures on Lake Victoria, with three people carrying buckets
Posted inNews

Heavy Rains, Human Activity, and Rising Waters at Lake Victoria

by H. Mafaranga 7 July 202014 December 2022

Water levels in Africa’s largest lake have risen over a meter since last fall and continue to increase as land use changes and heavy rains enhance the flow.

A flooded home in Braithwaite, La., after Hurricane Isaac in 2012
Posted inOpinions

Do You Know Your Home’s Flood Risk?

by E. J. Kearns, M. Amodeo and J. Porter 29 June 20209 March 2023

Search for your address in this new database and get an easy to understand indicator of the potential for flooding now and over the next several decades as climate change alters our environment.

A dredge works through the night to clear shoaling along the Mississippi River at New Orleans.
Posted inFeatures

High Water: Prolonged Flooding on the Deltaic Mississippi River

by N. M. Gasparini and B. Yuill 20 March 202027 October 2022

Changing climate and land use practices are bringing extended periods of high water to the lower Mississippi River. New management practices are needed to protect people, industry, and the land.

Three-part image showing maps of the Missouri River near Council Bluffs, Iowa, and Omaha, Neb., in 1893 (left) and 2013 (middle) as well as a satellite image of the same area from 2019
Posted inOpinions

It’s Time to Revise Estimates of River Flood Hazards

by G. Sofia, E. I. Nikolopoulos and L. Slater 16 March 202021 February 2023

Accurately assessing flood hazards requires a better understanding of the feedbacks between natural and human influences on the characteristics of rivers.

Satellite image of the Strait of Gibraltar
Posted inNews

Sediments May Support the Mediterranean Megaflood Hypothesis

Javier Barbuzano, Science Writer by Javier Barbuzano 26 February 202016 August 2022

Millions of years ago, the Mediterranean Sea may have evaporated. A newly identified body of sediments could have been deposited by the giant flood that refilled the basin.

Black-and-white photo of people assessing damage from the 1889 Johnstown Flood
Posted inNews

Podcast: The Johnstown Flood—A Most Avoidable Tragedy

by J. Speiser 16 December 20196 March 2026

How a dam failure near a small town in Pennsylvania continues to cast a shadow over the region more than 100 years later.

The Queens, N.Y., neighborhood of Rockaway Beach was heavily damaged by flooding exacerbated by extreme storm surges during Hurricane Sandy in October 2012.
Posted inResearch Spotlights

Sea Level Science Grapples with Uncertainty and Usability

Sarah Stanley, Science Writer by Sarah Stanley 4 December 201915 February 2023

Improved transdisciplinary approaches are needed to ensure that research on rising seas is useful for planning in coastal communities.

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Over a dark blue-green square appear the words Special Report: The State of the Science 1 Year On.

Features from AGU Publications

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20 April 202620 April 2026
Editors' Highlights

Gravity Waves Help Drive Sediment to the Deep Ocean

23 April 202623 April 2026
Editors' Vox

Can Any Single Satellite Keep Up with the World’s Floods?

20 April 202620 April 2026
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