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Managing waters shared across national boundaries: Treasury of papers helps capture 20 years of lessons
Date:7/25/2013

ional Aeronautics and Space Administration (NASA) flew a drone into the plume over Costa Rica's Turrialba Volcano to collect data about its temperature, ash height and gas concentration (such as sulphur dioxide) -- information that can help scientists determine the direction of a volcanic plume and alert populations downwind. Conventional aircraft are unable to collect such data because ash would clog the engines.

The use of drones to detect forest fires has been tested by several US agencies, enabling earlier public alerts and better firefighting plans. An 11-meter (33 foot) drone with a 20 meter (60 foot) wingspan and more than 180 kg (360 pounds) of sensors has been used by the United States Department of Agriculture (USDA) and NASA to gather fire-fighting information in California. Named Ikhana, it is designed for long flights at a typical altitude of 12 km -- high enough to stay above the fires' heat.

Rapid urbanisation and road construction in China have led to more frequency, and more intense, landslides along roads. Using high resolution cameras, drones monitor vulnerable highways, detecting telltale cracks and changes in stress to offer early landslide warnings.


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Contact: Terry Collins
tc@tca.tc
416-538-8712
United Nations University
Source:Eurekalert

Page: 1 2 3 4 5

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