Arctic Ocean submarine topography: 3D geomorphometric models

Authors: Igor Florinsky*, Keldysh Institute of Applied Mathematics, Russian Academy of Sciences, Alexander Govorov, Moscow State University of Geodesy and Cartography (MIIGAiK), Sergei Filippov, Keldysh Institute of Applied Mathematics, Russian Academy of Sciences
Topics: Geographic Information Science and Systems, Spatial Analysis & Modeling, Polar Regions
Keywords: 3D modeling, rendering, open-source software, marine geomorphometry, ocean floor, submarine topography, Arctic Ocean
Session Type: Paper
Presentation File: No File Uploaded

We develop a system for three-dimensional (3D) geomorphometric modeling of the Arctic Ocean floor. Previously, a test, low-resolution desktop version of the system was created. Here we present results of the second phase of this project. In this phase, we create multiscale, desktop and web versions of the system. As an input data, we utilize the International Bathymetric Chart of the Arctic Ocean (IBCAO) version 3.0 representing a 500-m gridded digital elevation model (DEM) of the Arctic Ocean floor and adjacent territories. To visualize and operate the DEM, we used (a) Blender 2.79b, a 3D modeling, rendering, and animation software; (b) BlenderGIS addon for import and processing of geospatial data; and (c) Verge3D, a powerful toolkit allowing to create immersive web-based experiences. A final version of the system will provide: (1) Storage of the DEM of the Arctic Ocean floor; (2) Storage of models for 18 morphometric variables derived from the DEM; (3) Interactive, real-time 3D visualization of the morphometric models; and (4) Free access to this information via Internet. The system will be used to support marine geomorphological and geological researches of the Arctic Region. The study is supported by the Russian Foundation for Basic Research, grant # 18-07-00223.

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