A more precise definition could help cities and governments prepare and respond to hazards.
Hydrological
Seeing Surface Water From Space
Satellite-based optical sensors can detect, measure and monitor changes in lakes, reservoirs, rivers and wetlands, providing useful data with multiple applications for science and society.
The Challenges of Global Flood Hazard Mapping and Prediction
A new book presents the latest tools in remote sensing technologies and modeling approaches for addressing challenges and meeting future needs in global flood hazard mapping and prediction.
Sea Level Rise May Swamp Many Coastal U.S. Sewage Plants
Cities typically build wastewater treatment facilities in low-lying areas. A new national study identifies which plants are most vulnerable to coastal flooding.
In Pursuit of Flash Flood Data
How remote sensing of streams provides valuable data for the characterization, prediction, and warning of impending flash floods.
What Causes Rock Avalanches?
Experimental studies of frictional weakening beneath a deadly rock avalanche in China help to clarify the mechanisms that cause these devastating natural disasters.
Can Data Extracted from Twitter Help Map Flood Hazards?
Tweets, if scrutinized closely, may allow scientists to map hazards in real time, helping to guide emergency response.
An Early Warning System for Landslide Danger
Advances in satellite imaging, mapping, and rainfall estimations have made it possible to implement a regional real-time assessment of landslide hazard threats across Central America.
Flood Response Using Earth Observation Data and Products
NASA Flood Response Workshop; Greenbelt, Maryland, 14–16 June 2016
New Flood Model Offers National Streamflow Coverage
The model, released by the National Weather Service, will provide neighborhood-level flood forecasting.
