Combined slope and aspect map of the swath sonar bathymetry in Gakkel Ridge during the POLARSTERN cruise PS101 (ARK-XXX/3), created using ArcGIS

Graphing topological features of the ocean seafloor provides insight for diverse scientific disciplines. Here, we provide visual representation of the combined slope and aspect of the swath sonar bathymetry during the POLARSTERN cruise PS101 (ARK-XXX/3). This dataset contains two raster grids in Geo...

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Bibliographic Details
Main Authors: Hehemann, Laura, Purser, Autun
Format: Dataset
Language:English
Published: PANGAEA - Data Publisher for Earth & Environmental Science 2017
Subjects:
Swath bathymetry mapping
FRontiers in Arctic marine Monitoring FRAM
Arctic
Gakkel Ridge
Online Access:https://dx.doi.org/10.1594/pangaea.883501
https://doi.pangaea.de/10.1594/PANGAEA.883501
Description
Summary:Graphing topological features of the ocean seafloor provides insight for diverse scientific disciplines. Here, we provide visual representation of the combined slope and aspect of the swath sonar bathymetry during the POLARSTERN cruise PS101 (ARK-XXX/3). This dataset contains two raster grids in GeoTiff format (color-rgb type and value type), a symbology classification layer file, and an overview map with legend. The value-type GeoTIFF has an accompanying symbology layer file that can be applied in ArcGIS. Each pixel value has an associated color (aspect) and hue (slope) classification. This combination of aspect and slope makes this layer uniquely informative and indended for visualization purposes; see "PS101_aspect_slope_map.png (hdl:10013/epic.51997.d001)" for a map preview. The orientation aspect values are from 0 to 359 degrees and the slope values are 5, 15, 30, and 45 percent rise. Values less than 5 percent are flat areas and have no associated orientation values. The GeoTiff has a pixel size of 100 m x 100 m and was created using ArcGIS 10.5 software, in stereographic polar projection, datum WGS 84.The zip file contains:1. PS101_aspect_slope.tif2. PS101_aspect_slope_value.tif3. PS101_aspect_slope_symbology.lyr4. PS101_aspect_slope_map.png (hdl:10013/epic.51997.d001)

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