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Description
This data set provides high-resolution (~500 m) gridded land and stream drainage direction maps for the Amazon River basin, excluding the Rio Tocantins basin. These maps are the result of a new topography-independent analysis method (Mayorga et al., 2005) using the vector river network from the Digital Chart of the World (DCW, Danko, 1992) to create a high-resolution flow direction map.
The data products include (1) a stream network coverage with stream order assigned to each reach; (2) the basin boundaries of the major tributaries to the Amazon mainstem; (3) the mouths; and (4) the source points of these tributaries.
There are 7 ESRI ArcGIS shapefiles provided in compressed *.zip format and 4 GeoTiff image files with this data set.
Citation is critically important for dataset documentation and discovery. This dataset is openly shared, without restriction, in accordance with the EOSDIS Data Use and Citation Guidance.
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Mayorga, E., Logsdon, M. G., Ballester, M. V. R., & Richey, J. E. (2012). LBA-ECO CD-06 Amazon River Basin Land and Stream Drainage Direction Maps (Version 1). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/1086 Date Accessed: 2026-09-28
@article{mayorga_logsdon_ballester_richey_2012,
title={LBA-ECO CD-06 Amazon River Basin Land and Stream Drainage Direction Maps},
url={https://www.earthdata.nasa.gov/data/catalog/ornl-cloud-cd06-camrex-1086-1},
DOI={10.3334/ORNLDAAC/1086},
abstractNote={This data set provides high-resolution (~500 m) gridded land and stream drainage direction maps for the Amazon River basin, excluding the Rio Tocantins basin. These maps are the result of a new topography-independent analysis method (Mayorga et al., 2005) using the vector river network from the Digital Chart of the World (DCW, Danko, 1992) to create a high-resolution flow direction map.
The data products include (1) a stream network coverage with stream order assigned to each reach; (2) the basin boundaries of the major tributaries to the Amazon mainstem; (3) the mouths; and (4) the source points of these tributaries.
There are 7 ESRI ArcGIS shapefiles provided in compressed *.zip format and 4 GeoTiff image files with this data set.},
publisher={ORNL Distributed Active Archive Center},
author={Mayorga, E. and Logsdon, M.G. and Ballester, M.V.R. and Richey, J.E.},
year={2012},
language={en},
}
Mayorga, E., Logsdon, M. G., Ballester, M. V. R., & Richey, J. E. (2012). LBA-ECO CD-06 Amazon River Basin Land and Stream Drainage Direction Maps (Version 1). ORNL Distributed Active Archive Center. https://doi.org/10.3334/ORNLDAAC/1086 Date Accessed: 2026-09-28
Mayorga, E., et al. “LBA-ECO CD-06 Amazon River Basin Land and Stream Drainage Direction Maps.” With ORNL DAAC, Version 1, ORNL Distributed Active Archive Center, 1 Jan. 2012, https://doi.org/10.3334/ORNLDAAC/1086. Date Accessed: 2026-09-28
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