Data Access Acknowledgement: This material is based on [data, processing] services provided by the OpenTopography Facility with support from the National Science Foundation under NSF Award Numbers 2410799, 2410800 and 2410801 Dataset Information: Dataset Name: ALOS World 3D - 30m Ellipsoidal(AW3D30_E) Dataset Acknowledgement: J. Takaku, T. Tadono, K. Tsutsui : Generation of High Resolution Global DSM from ALOS PRISM, The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, pp.243-248, Vol. XL-4, ISPRS TC IV Symposium, Suzhou, China, 2014. [PDF file] T. Tadono, H. Ishida, F. Oda, S. Naito, K. Minakawa, H. Iwamoto : Precise Global DEM Generation By ALOS PRISM, ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, pp.71-76, Vol.II-4, 2014. [PDF file] Dataset Citation: Japan Aerospace Exploration Agency (2021). ALOS World 3D 30 meter DEM. V3.2, Jan 2021. Distributed by OpenTopography. https://doi.org/10.5069/G94M92HB. Accessed 2025-06-27 Horizontal Coordinates: WGS84 [EPSG: 4326] Vertical Coordinates: WGS84 Ellipsoid [EPSG: 4979] Job Description: User: [Guest] tsarafaly@gmail.com Job ID: rt1507725293498 Title: Tsaratanana Description: DEM Job Processing Result: Submission Time: 2017-10-11 05:34:54 Completion Time: 2017-10-11 05:35:09 Duration: 15 seconds Status: Done Data Selection Coordinates: Xmin: 48.533478 Xmax: 49.265442 Ymin: -14.153887 Ymax: -13.647321 Input & Output Options: Data Type: ALOS Output Format: GeoTiff Layer Type: Raster Visualization: None Canopy Height Model: Enable Canopy Height Model: No Hydrologic Terrain Analysis (TauDEM) Products: Hydrologically correct DEM with pits filled: No D-Infinity Flow Direction: No D-Infinity Specific Catchment Area: No Topographic Wetness Index: No D8 Flow Direction: No D8 Specific Catchment Area: No Contour Lines: Generate contour lines: No