Oak Ridge National Laboratory Distributed Active Archive Center

nasa-ornldaac-843

LBA-ECO LC-23 Characterization of Vegetation Fire Dynamics for Brazil: 2001-2003

ABSTRACT: Satellite fire detection was determined from two sensors—the Advanced Very High Resolution Radiometer (AVHRR) on NOAA-12 and the Moderate Resolution Imaging Spectroradiometer (MODIS) on both the Terra and Aqua platforms, for 2001- 2003 to characterize fire activity in Brazil, giving special emphasis to the Amazon region. Active fire data for AVHRR/NOAA-12 was produced using a fixed threshold fire detection technique based on the algorithm developed by the Centro de Previsao do Tempo e Estudos Climaticos (CPTEC/INPE) (Setzer and Pereira, 1991; Setzer et al., 1994; Setzer and Malingreau, 1996). Active fire data for MODIS/Terra and MODIS/Aqua was produced using a contextual fire detection technique based on NASA-University of Maryland algorithm (Justice et al., 2003; Giglio et al.2003).Resulting fire counts were compared for major biomes of Brazil (Figure 1), the nine states of the Legal Amazon (e.g., Tocantins, Figure 2), and two important road corridors in the Amazon region (Figure 3). In evaluating the daily fire counts, there is a dependence on variations in satellite viewing geometry, overpass time, atmospheric conditions, and fire characteristics (Schroeder et al., 2005). The data provided are the coordinates of daily active vegetation fires in Brazil for 2001 through 2003 at 1km resolution for both AVHRR and MODIS sensors. Data are provided in both Arcview (shape file format) and ASCII comma separated file formats. Vector files for the major biomes of Brazil, the nine states of the Legal Amazon, and two important road corridors in the Amazon region are also included.

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http://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=843

Identified by : lba_lc23_vfd

This dataset was released on January 01, 2007.

The time range for this dataset is January 01, 2001 to December 31, 2003.

The spatial range for this dataset is -33.75° to 5.3° latitude, and -74° to -34.8° longitude. map (center)

This dataset uses data from an instance of the moderate-resolution-imaging-spectroradiometer instrument on the aqua platform.
This dataset uses data from an instance of the moderate-resolution-imaging-spectroradiometer instrument on the terra platform.
This dataset uses data from an instance of the advanced-very-high-resolution-radiometer-2 instrument on the national-oceanic-and-atmospheric-administration-12 platform.
DOI : 10.3334/ORNLDAAC/843
Also known as :

• dataset oai:mercury-ops2.ornl.gov:ornldaac_843 (ornl lexicon)
• dataset oai:mercury.ornl.gov:ornldaac_843 (ornl lexicon)