A team of geographers at University of California have developed a new approach to measure river flows from outer space. This approach relies exclusively on the measurements of a river's width over time, which can be obtained from freely available satellite imagery. "Our new method doesn't require access to the country or getting in the river to safely take measurements in the field," said Colin Gleason, lead author of the study and a doctoral student in geography in UCLA.
Flood is one of the most common geohazards, which also costs most devastation to society. There are areas more vulnerable to floods, where measures are taken to mitigate the impacts, but further research is needed for identifying flood vulnerability in order to make communities in such vulnerable areas more resilient.
The International Charter: Space and Major Disasters has been activated on 7 February following the request of UNITAR/UNOSAT on behalf of OCHA Zimbabwe. The activation was due to flash floods caused by heavy rain.
UN-SPIDER's network of Regional Support Offices is currently developing Recommended Practices on the use of
UN-SPIDER's network of Regional Support Offices is currently developing Recommended Practices on the use of space-based information for disaster risk management and emergency response. The practices deal with a variety of topics such as droughts, floods, agricultural monitoring or land degradation and include detailed information on the data and methodologies used as well as step-by-step instructions.
Recommended Practices on Space Technologies and Disaster