flood
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Earth
How the failures of two dams amplified the tragedy of the flood in Dhana
Daniel’s trucks in a storm across the Mediterranean and heavy rain caused in Libya. Wadi delna Reckcomment (blue line) reduced precipitation by several tens of mm, causing flooding. Credits: Moshe Armon, Yuval Shmilovitz, Elad Dente A new study reveals that the catastrophic 2023 flood in Dhana, Libya, was dramatically strengthened by the major design shortcomings and the collapse of two…
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Earth
These California coastal cities face increasing flood risk from the tsunami, data shows
Credit: Pixabay/CC0 Public Domain The risk of damaging floods from major tsunamis may be greater than many people realized along California’s famous coastline range, state officials say it will further strengthen the need to take notes when residents live or visit dangerous areas. The latest risk assessment, published by the California Geological Survey and outlined in a map reviewed by…
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Environment
New NOAA dataset helps improve flood mitigation tools and flood risk assessments
On April 12, 2024, high tide flooding submerged vehicles and parking meters in Annapolis, Maryland. Storm surge flooding is the flooding of normally dry coastal land with water, which occurs during high tide. As sea levels rise, storm surge flooding becomes more frequent, increasing disruption to coastal communities. Credit: NOAA The first modeled historical water level and wave datasets for…
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Earth
How flood risks are classified can give developers and home buyers a false sense of security
Workflow to quantify the extent (km2) and spatial distribution of developed land across multiple scales compared to areas at high risk of flooding. Credit: PLOS ONE (2024). DOI: 10.1371/journal.pone.0311718 Common methods of communicating flood risk create a false sense of security and can lead to increased development in areas threatened by flooding. This phenomenon, called the “Safe Development Paradox,” is…
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Earth
Scientists urge an end to ‘bathtub modeling’ of flood risk
In a new paper published in the American Geophysical Union’s journal Earth’s Future, researchers from the University of California, Irvine and the University of Bristol in the UK find that outdated “bathtub modeling” of flood risk This suggests that there are limits to our ability to grasp the important factors (outlined above). Credit: University of California, Irvine The damage and…
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Science
US flood governance fosters social inequality and could lead to the next housing market crash
Regional and demographic variations in anthropogenic flood dynamics across the CONUS coast. Credit: Communications Earth & Environmental (2024). DOI: 10.1038/s43247-024-01848-z A recent study published in Communications Earth & Environmental looked at the current U.S. national flood insurance program and how another housing collapse could occur without fundamental changes. I considered it. The collaboration includes UConn School of Natural Resources and…
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