Marine Science

this page is a work in progress

Tools for marine scientists

Bathymetry processing

• Basic DEM creation: v.in.ascii + v.surf.rst
• r.in.xyz for processing multibeam sonar swaths
• r.surf.nnbathy add-on script for creating bathymetic DEMs from input x,y,z data

• Multibeam sonar swath transect planning script

Sidescan sonar processing

• i.gdalwarp script for georectifying and mosaicking scanned paper rolls into a GeoTIFF

• v.swathwidth script for planning swath bathymetry surveys

Wave exposure

• Using GRASS to prepare and process data for the SWAN Wave Model
  • preparing input DEM
  • r.in.mat and r.out.mat

Circulation models

• Preparing input grids
  • r.in.mat and r.out.mat

Tutorials

Remote Sensing

• Importing MODIS Aqua SST and Chlorophyll-a data

Mapping and Cartography

• Using GMT with GRASS
• Using vector electronic navigation charts with GRASS
• Using rasterized navigation charts with GRASS