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floods

Image of a person carrying plastic chairs through floodwaters in Buliisa, Uganda
Posted inNews

Soil Saturation Dictates Africa’s Flood Severity

by Ellis Avallone 30 July 202128 September 2021

The most complete hydrological data set for the African continent reveals a surprise: Soil moisture, not heavy precipitation, best explains the timing of Africa’s most severe floods.

Aerial photo of Chennai, India, flooded
Posted inNews

Indian Cities Prepare for Floods with Predictive Technology

by Deepa Padmanaban 15 June 20215 November 2021

The number and intensity of floods are increasing—they can inundate neighborhoods in Chennai in just 15 minutes. New models can pinpoint and help warn vulnerable areas hours or even days in advance.

Dam failure in Iowa
Posted inNews

Below Aging U.S. Dams, a Potential Toxic Calamity

by J. Dinneen and A. Kennedy 11 June 20217 March 2022

Documents suggest that in more than 80 U.S. locations, the failure of an aging dam could flood a major toxic waste site.

Image of a woman walking through knee-high floodwaters while balancing a large container on her head.
Posted inNews

Why Are Women More Vulnerable to Flooding in India?

by Deepa Padmanaban 30 April 202128 September 2021

One state in India shows how policies that give women access to better resources has a real impact on mortality.

The restored floodplain of the South Fork McKenzie River in Oregon
Posted inEditors' Vox

Why Rivers Need Their Floodplains

by E. Wohl 22 April 202128 March 2022

Floodplain storage of water, nutrients, and sediment is critical to sustaining river ecosystems but has been reduced by human activities.

Buildings cling to a soil cliff cut away by a flood.
Posted inNews

Development and Climate Change Contribute to a Himalayan Tragedy

by T. V. Padma 3 March 202112 April 2022

Infrastructure projects like roads and dams destabilize slopes and compound the effects of glacial floods and avalanches, scientists say.

Dead pine tree trunks stand amid tall grass.
Posted inResearch Spotlights

Coastal Flooding Enhances Methane Buildup in Forests

by Aaron Sidder 25 February 20212 November 2021

Increased seawater exposure from flooding and storms is altering how coastal forests cycle methane, leading to more greenhouse gas accumulation in tree stems and soil.

New Orleans, La., houses surrounded by debris and floodwater from Hurricane Katrina in 2005.
Posted inScience Updates

Assessing Social Equity in Disasters

by E. Tate and C. Emrich 23 February 20213 June 2022

Natural hazard impacts and resources allocated for risk reduction and disaster recovery are often inequitably distributed. New research is developing and applying methods to measure these inequities.

Aerial photograph of the Xin’an River Hydropower Station showing the dam that forms Qiandao Lake releasing flood waters into the river below.
Posted inNews

Finding “Glocal” Solutions to Flooding Problems

by Alka Tripathy-Lang 3 February 202120 May 2022

Scientists call for joint efforts to combine real-time global rainfall data with high-resolution local hydrology to better forecast floods.

Homes on a hillside with fires in the background
Posted inNews

Homes and Other Buildings Abound in Natural Hazard Hot Spots

by Katherine Kornei 10 December 202028 October 2021

Researchers mined maps of natural hazards and land use to show that nearly 60% of structures are built in regions at high risk of earthquakes, wildfires, floods, hurricanes, and/or tornadoes.

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