Access Restriction

Author Barbosa, Paulo ♦ Strobl, Peter
Source CiteSeerX
Content type Text
File Format PDF
Language English
Subject Domain (in DDC) Computer science, information & general works ♦ Data processing & computer science
Subject Keyword Cloud Free Land ♦ European Tailored Service ♦ Rapid Damage Assessment ♦ European Forest Fire Information System ♦ European Country ♦ Important Part ♦ Abrupt Post-fire Vegetation Change ♦ Fire Season ♦ Full Data Set ♦ Quick Look ♦ Different Tile ♦ Modis Imagery ♦ Visual Classification ♦ Meter Short-infrared Band ♦ Land Resource ♦ Summer Fire Season ♦ Time Response ♦ Quick Look Retrieval ♦ Burned Area ♦ Direct Broadcast ♦ Imagery Time Series Analysis ♦ Meter Resolution ♦ Scene Identification ♦ Visual Inspection ♦ Burned Area Mapping ♦ Official Statistic ♦ Large Uncontrolled Fire ♦ Different Step ♦ Aqua Modis Image ♦ Image Selection ♦ Rda Module ♦ Time Series ♦ Analysed Country ♦ Automatic Method
Description exceptionally large uncontrolled fires that occurred during 2003 and destroyed important parts of the land resources led to the development of the Rapid Damage Assessment (RDA) module within EFFIS. In this paper we present the different steps of the implementation of the RDA module that was built in order to map the extent of burned areas during the summer fire season. Burned areas of at least 50 ha were mapped from 2003 to 2006. The data used for the burned area mapping are both TERRA and AQUA MODIS images at 250 meters resolution, although the use of the 500 meters short-infrared bands is also foreseen. During 2003 only a selected number of images were used and the burned areas were visually classified. In 2004 the system was improved using an automatic method for scene identification and Quick Look retrieval followed by a visual inspection of these Quick Looks before downloading the full data sets. In 2005 the image selection was further improved by automating the Quick Look analyses considering the percentage of cloud free land in each scene. Selected images were then automatically downloaded, geo-coded and used to compile time series in 8 different tiles covering most of Europe. In 2006 the system was set to receive the MODIS imagery through direct broadcast allowing for a better time response and to have an European tailored service. The results of the burned area mapping of 2006 in a number of European countries are presented and compared with official statistics from each analysed country. An alternative to visual classification that relies on imagery time series analysis is also presented; this method is based on abrupt post-fire vegetation change detected
Educational Role Student ♦ Teacher
Age Range above 22 year
Educational Use Research
Education Level UG and PG ♦ Career/Technical Study
Learning Resource Type Article
Publisher Date 2003-01-01
Publisher Institution Centre, Institute for Environment and Sustainability, Land Management Unit