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Predicting fire risk and improving forest fire management with UAV LiDAR - sUAS News

25 May 2021
With climate change forest fires are becoming more common, causing ecological and economic loss. A forest fire site was assessed using both high-resolution LiDAR (Light Detection and Ranging), captured from a drone, and satellite optical imagery to appraise the potential of this approach for the future. The findings showed that UAV LiDAR data provided ecologically meaningful metrics which can be used to predict fire risk, develop more precise, site-specific fire impact studies and create post-fire management plans.
Establishing forest fire severity with UAV LiDAR
Wildfires don’t burn evenly through forests, some areas may be barely touched, whilst in other areas, most of the trees and foliage will be severely damaged. Understanding the severity and distribution of a fire within a forest can assist with estimating and modelling future forest fires to aid both prevention and containment. ....

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What a Geologist Sees When They Look at Perseverance's Landing Site

What a Geologist Sees When They Look at Perseverance’s Landing Site
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What a Geologist Sees When They Look at Perseverance’s Landing Site
Geologists love fieldwork. They love getting their specialized hammers and chisels into seams in the rock, exposing unweathered surfaces and teasing out the rock’s secrets. Mars would be the ultimate field trip for many of them, but sadly, that’s not possible.
Instead, we’ve sent the Perseverance rover on the field trip. But if a geologist were along for the ride, what would it look like to them?
Geologists tell us there’s no substitute for fieldwork. Jezero Crater is where Perseverance is going on its field trip, and fortunately, the crater has been examined in different ways by different satellites. To a geologist’s eyes, the crater is a bonanza. ....

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