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LBA-ECO ND-01 Watershed Deforestation from Landsat TM Series, Rondonia, Brazil: 1999

Data Set Overview

Data setLBA-ECO ND-01 Watershed Deforestation from Landsat TM Series, Rondonia, Brazil: 1999
Release date2013-05-20
ProjectLarge Scale Biosphere-Atmosphere
Time Period1999-01-01


This data set provides estimates of watershed deforestation, as a proportion of the total area of watersheds, in Rondonia, Brazil for 1999. Deforestation maps were determined for the main agricultural and surrounding forested areas of Rondonia using multiple Landsat TM scenes (Biggs et al. 2008). Cumulative deforestation estimates were derived from this time series of Landsat scenes from 1975 to 1999. To obtain watershed-level estimates of deforestation, watershed boundaries and stream networks were delineated by a flow accumulation algorithm using a 90-m resolution digital elevation model (DEM) from NASA's Shuttle Radar Topography Mission (SRTM). The results were watersheds of seven Strahler stream orders (1-7) with stream networks that closely matched those of the 1:100,000 topographic maps for the area. The watershed boundaries, classified by stream order, were overlain on the time series of deforestation maps to determine the cumulative deforestation extent in 1999. This data set contains six ESRI ArcGIS shapefiles of the watershed boundaries for streams orders 2-7, the smallest watershed (second order) to the largest inclusive watershed (seventh order). The cumulative deforestation estimates, as a proportion of total area for each watershed, are available as a comma-delimited text file that can be related to the individual watershed boundary shapefiles. Cumulative deforestation data are available for first order streams, although not as a shapefile. There are six zipped ESRI ArcGIS shapefiles (*.zip) and one ASCII comma separated file with this data set.


Data set reference document


Biggs, T.W., T. Dunne, D.A. Roberts, and E.A.T. Matricardi. 2013. LBA-ECO ND-01 Watershed Deforestation from Landsat TM Series, Rondonia, Brazil: 1999. ORNL DAAC, Oak Ridge, Tennessee, USA.
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Large Scale Biosphere-Atmosphere : The Large-Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) is an intensive scientific investigation of the tropical rainforest of Brazil and portions of adjacent countries. Like FIFE and BOREAS, this project uses intensive remote-sensing techniques and ground-based experiments to investigate the atmosphere-biosphere-hydrosphere dynamics of this large tropical region. The LBA Project encompasses several scientific disciplines, or components. The LBA-ECO component focuses on the question: "How do tropical forest conversion, regrowth, and selective logging influence carbon storage, nutrient dynamics, trace gas fluxes, and the prospect for sustainable land use in Amazonia?"

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Companion Files

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  • ND01_Watershed_Defor.pdf

Data Files

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Data File (Granule)File SizeDates 153.1 KB 1999-01-01 - 1999-12-31 130.4 KB 1999-01-01 - 1999-12-31
Deforestation_watersheds.csv 280.2 KB 1999-01-01 - 1999-12-31 1.7 MB 1999-01-01 - 1999-12-31 446.7 KB 1999-01-01 - 1999-12-31 775.9 KB 1999-01-01 - 1999-12-31 257.3 KB 1999-01-01 - 1999-12-31

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Files related to this data set have been downloaded on 19 occasions since 2013-06-11, totaling 128 files.