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Wildfires ravage Greek island of Evia
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By European Space Agency
Image: Firefighters in Greece are battling a rapidly spreading wildfire that has swept across several neighbourhoods in Athens, Greece, on Monday. Thousands of residents have been evacuated as the massive fire reached the suburbs of Athens, with some flames reaching heights of 25 m.
This image shows the fires surrounding Athens on 12 August 2024, captured by the Copernicus Sentinel-2 mission. This image has been processed in a way that highlights vegetation in red, while the burned areas can be seen in black. The estimated affected area exceeds 100 sq km.
In response to the fires, the Copernicus Emergency Management Service was activated to cover the fire event affecting the Attica Region. Copernicus EMS Rapid Mapping was requested to provide an initial rough estimate, as well as emergency mapping of the fire’s extent and damage assessment.
The Copernicus Sentinel-2 mission is based on a constellation of two identical satellites, each carrying an innovative wide swath high-resolution multispectral imager with 13 spectral bands for monitoring changes in Earth’s land and vegetation.
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By European Space Agency
Image: Ahead of World Ocean Day, the Copernicus Sentinel-2 mission takes us over the west of Grand Bahama Island, in the Bahamas. View the full article
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By NASA
2 min read
Preparations for Next Moonwalk Simulations Underway (and Underwater)
In 2022, nearly 100 large wildland fires burned in the U.S. West. Almost two dozen of those burned Washington and Oregon alone, filling the air with smoke. Plumes from the fires often could easily be seen from space.Credit: NASA Globally, nearly all wildfires start with a human ignition source – not lightning strikes or wildlife encountering power equipment. Knowing humans can be a primary cause is an example of the sort of knowledge that helps predict and prevent wildfires, a challenge that NASA and the firefighting industry are undertaking together.
As wildfires become more common in rarely experienced countries like Ireland and are more intense in other areas impacted by climate change, governments and businesses are turning to space for help.
Landsat satellite Earth-observation data, artificial intelligence, and machine learning now predict and monitor fires and support post-fire recovery. San Diego-based Technosylva Inc. provides firefighters with a wildfire monitoring service that combines all these technologies. The company also uses other NASA fire data resources compiled by the agency’s Ames Research Center in Silicon Valley to assist during the fire season and beyond.
Satellite imagery helps Technosylva’s Wildfire Analyst identify areas previously burned by wildfire to eliminate those areas without fuel like leaves or grasses (black circles) and pinpoint areas different types of available fuel (colored circles).Credit: Technosylva Inc. Technosylva uses data fusion, which integrates multiple data sources from climate, weather, landscapes, and human infrastructure, to develop a complete picture of current fire risks. Before fire season begins, these efforts help develop more resilient landscapes to make communities safer. During the fire season, models predict how fires will spread, and provide real-time equipment and personnel tracking across vast tracts of land.
During the 2017 Las Máquinas wildfire in Chile – a fire so large the only way to view the perimeter was from space – Technosylva assisted in firefighting efforts by providing satellite data to help identify new hot spots and guided containment efforts.
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By European Space Agency
Image: This rare, almost cloud-free view of the remote Elephant Island in Antarctica was captured in February 2023 by the Copernicus Sentinel-2 mission. View the full article
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By European Space Agency
ESA’s navigation testbed vehicle participated in a campaign organised by Norwegian governmental authorities to assess the impact of jamming and spoofing on satnav systems and test innovative technologies for detection and mitigation.
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