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Greek fires seen from space

By [email protected] - 24th August 2009 - 09:20

ESAâs Envisat satellite captures thick clouds of smoke billowing from wildfires that have been raging through Greece and are threatening the capital, Athens.
Image: Envisatâs Medium Resolution Imaging Spectrometer (MERIS) acquired this image of Greece on 24 August 2009 at 09:14 UTC (12:14 Greece local time). A new large smoke plume is visible west of Athens, pushed southerly by strong winds. Some light smoke is also visible south of Athens and originates from the area which was under threat in previous days. The burned areas appear in dark and have been highlighted by a red line. Images from satellites with a higher spatial resolution will be used in the coming days to provide a precise estimate of the extent of the burned areas.Credits: ESAMore than 2000 firefighters and soldiers are working to contain the blazes, the worst to hit Greece since 2007 when deadly wildfires raged across the country killing more than 70 people.The wildfires, which began late Friday some 40 km northeast of Athens in the village of Grammatikos, have burned at least 15 000 hectares of land and forced thousands to flee their homes. On Saturday, Greek authorities declared a state of emergency after the fires spread to neighbouring villages.One of the biggest problems during and after fires is obtaining an overall view of the damage and its evolution. Earth Observation (EO) satellites are used to detect fire spots from space and to quickly estimate the extent of burned areas. On Sunday, the Greek General Secretariat for Civil Protection asked the International Charter on Space and Major Disasters for support. The initiative, referred to as âthe Charterâ, was established in 2000 to provide satellite data free of charge to those responding to disasters anywhere in the world.In addition to data being made available through the Charter activation, ESA provides EO data from contributing satellite missions to SAFER, the GMES Emergency Response Service. GMES is an EU-led initiative to combine ground- and space-based observations to develop an integrated environmental monitoring capability. ESAâs role within GMES is to implement its space component.These images were acquired by Envisatâs Medium Resolution Imaging Spectrometer (MERIS) optical instrument on 22 and 24 August 2009, working in Full Resolution mode to provide a spatial resolution of 300 metres and is available on ESAâs MIRAVI website, which gives free access to Envisatâs most recently acquired images.

Author: ESA Press service

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