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  • SRTM 1x1 degree tile reference layer with various encoding attributes. The 1X1_PY shapefile data layer is comprised of 64800 derivative vector surface water bodies features derived based on 1:100 000 data originally from SRTM-SWBD. The layer provides nominal analytical/mapping at 1:125 000. Data processing 60% complete globally, with African and Arabian subsets 100% complete. Acronyms and Abbreviations: SWBD - Surface water Body SRTM - Shuttle Radar Topography Mission;

  • Linear representation of the nominal 30 metre coastlines; this is the highest resolution determinate currently available. The CSTLN_LN shapefile data layer is comprised of 11070 derivative vector surface water bodies features derived based on 1:100 000 data originally from SRTM-SWBD. The layer provides nominal analytical/mapping at 1:125 000. Data processing 60% complete globally, with African and Arabian subsets 100% complete. Acronyms and Abbreviations: SRTM - Shuttle Radar Topography Mission; SWBD - Surface water Body.

  • Include: Soil reconnaissance, Land suitability (4 sheets)

  • Include: Soil reconnaissance map (3 sheets) Soil reconnaissance map -land suitability map (3 sheets b&w)

  • Centroid point locations of SWB, Double-Lined River and inshore island features. The SWBD_PT shapefile data layer is comprised of 38840 derivative vector surface water bodies features derived based on 1:100 000 data originally from SRTM-SWBD. The layer provides nominal analytical/mapping at 1:125 000. Data processing 60% complete globally, with African and Arabian subsets 100% complete. Acronyms and Abbreviations: SWB or SWBD - Surface Water Body; SRTM - Shuttle Radar Topography Mission.

  • Enhanced natural color orthorectified image baseline, reprojected and mosiaced into single coverage of a Megabasin. Source: NASA Landsat Orthorectified MSS, TM and ETM+. The VOLTA_TM-RGB image data layer is comprised of 42465x46324 derivative image satellite based imagery features derived based on 28.5 metre data originally from TM.

  • Seamless polygonal continental landmass and oceanic island mask data layer derived from SRTM-SWBD tiled database. The MASK_PY shapefile data layer is comprised of 4333 derivative vector surface water bodies features derived based on 1:100 000 data originally from SRTM-SWBD. The layer provides nominal analytical/mapping at 1:125 000. Data processing 60% complete globally, with African and Arabian subsets 100% complete. Acronyms and Abbreviations: SRTM - Shuttle Radar Topography Mission; SWBD - Surface water Body.

  • Polygonal seamless representation of SRTM Digital Elevation Model source reference. The SRC_PY shapefile data layer is comprised of 7536 derivative vector surface water bodies features derived based on 1:100 000 data originally from SRTM-SWBD. The layer provides nominal analytical/mapping at 1:125 000. Data processing 60% complete globally, with African and Arabian subsets 100% complete. Acronyms and Abbreviations: DEM - Digital Elevation Model; SRTM - Shuttle Radar Topography Mission.

  • Enhanced natural color and 2.5d hillshade orthorectified image derivative, reprojected and mosaiced into single coverage of a Megabasin. Source: NASA Landsat Orthorectified MSS, TM and ETM+. The VOLTA_TM-SHD image data layer is comprised of 42465x46324 derivative image satellite based imagery features derived based on 28.5 metre data originally from TM.