نتایج جستجو برای: burned surface
تعداد نتایج: 640284 فیلتر نتایج به سال:
Accurate production of regional burned area maps are necessary to reduce uncertainty in emission estimates from African savannah fires. Numerous methods have been developed that map burned and unburned surfaces. These methods are typically applied to coarse spatial resolution (1 km) data to produce regional estimates of the area burned, while higher spatial resolution (,30 m) data are used to a...
A two stage burned scar detection approach is applied to produce a burned scar map for Mediterranean Europe using IRS-AWiFS imagery acquired at the end of the 2009 fire season. The first stage identified burned scar seeds based on a learning algorithm (Artificial Neural Network) coupled with a bootstrap aggregation process. The second stage implemented a region growing process to extend the are...
Infectious complications are reported frequently in combat trauma patients treated at military hospitals. Infections in 4566 noncombat related trauma patients treated at a military trauma center were retrospectively reviewed from 1/2003 to 5/2007 using registry data. Burns, penetrating, and blunt trauma accounted for 17%, 19%, and 64%, respectively; the median age was 38 and 22% were female. Pu...
Proper evaluation of the surface and the depth of a burn wound, especially in the case of a severe burn, enables an appropriate choice of treatment to be made. This choice decides subsequently about the success of the entire medical treatment. Clinical assessment is currently the most frequently applied method in burn depth evaluation. Unfortunately the use of this method results in a high numb...
Recent suggestions that patients "hopelessly burned" be permitted to die peacefully have refocused attention on the accuracy of different methods of predicting whether an individual burn patient will survive. The purpose of this presentation is to compare the accuracy of mortality predictions based upon four different statistical methods: (1) Baux's rule which adds the patient's age in years to...
This paper presents results of the AQL2004 project, which has been develope within the GOFC-GOLD Latin American network of remote sensing and forest fires (RedLatif). The project intended to obtain monthly burned-land maps of the entire region, from Mexico to Patagonia, using MODIS (moderate-resolution imaging spectroradiometer) reflectance data. The project has been organized in three differen...
We present a method for estimating monthly burned area globally at 1 spatial resolution using Terra MODIS data and ancillary vegetation cover information. Using regression trees constructed for 14 different global regions, MODIS active fire observations were calibrated to burned area estimates derived from 500-m MODIS imagery based on the assumption that burned area is proportional to counts of...
The application of an integrated monitoring tool to assess and understand the effects of annually occurring forest fires is presented, with special emphasis to Mediterranean and Temperate Continental zones of Europe. The distinctive features of the information conveyed by optical and microwave remote sensing data have been firstly investigated, and pertinent information have been subsequently c...
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