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Photomosaics acquired by ROV Victor during dives #653, #654, #655, and #658, along the Roseau Fault (French Antilles). The images, acquired with the ROV vertical camera, were positioned and scales using ROV navigation only (no feature matching, renavigation and reprojection). Images are corrected for uneven illumination. Photomosaics are presented in folders for each dive, and include a Geotiff (.tif) and a location file (.tfw). All photomosaics are in projection WGS84 UTM 20N.
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Multibeam bathymetry data, gridded at ~100m, acquired around during the transit towards the Mid-Atlantic ridge axis (13°20'N and 13°30'N oceanic detachments area) during the ODEMAR cruise (2013). Bathymetric data was acquired by the PourQUoi Pas? multibeam system (RESON SEABAT 7150). Data is provided as geotiffs (WGS84) ODM_transit_16Nov.tif Extent -27.8375538800000015,16.3530121699999995 : -26.3755538800000018,16.6860121699999979 Width 1463 Height 334 Data type Float32 - Thirty two bit floating point GDAL Driver Description GTiff GDAL Driver Metadata GeoTIFF Dataset Description /Users/jescartin/WORK/Proyectos/ODEMAR/DATA/Bathygrids/Transit/ODM_transit_16Nov.tif Compression PACKBITS Band 1 STATISTICS_MAXIMUM=-4139.5639648438 STATISTICS_MEAN=-4612.4823849892 STATISTICS_MINIMUM=-4866.7373046875 STATISTICS_STDDEV=121.40234041923 STATISTICS_VALID_PERCENT=29.85 Scale: 1 Offset: 0 More information AREA_OR_POINT=Area TIFFTAG_SOFTWARE=MATLAB 9.14, Mapping Toolbox 5.5 Dimensions X: 1463 Y: 334 Bands: 1 Origin -27.8375538800000015,16.6860121699999979 Pixel Size 0.0009993164730006834189,-0.0009970059880239474058 ODM_transit_17Nov.tif Extent -32.4955601099999996,15.5934151199999995 : -27.8195601099999976,16.4454151199999998 Width 4677 Height 853 Data type Float32 - Thirty two bit floating point GDAL Driver Description GTiff GDAL Driver Metadata GeoTIFF Dataset Description /Users/jescartin/WORK/Proyectos/ODEMAR/DATA/Bathygrids/Transit/ODM_transit_17Nov.tif Compression PACKBITS Band 1 STATISTICS_APPROXIMATE=YES STATISTICS_MAXIMUM=-4458.8168945312 STATISTICS_MEAN=-5144.8000932272 STATISTICS_MINIMUM=-5562.1850585938 STATISTICS_STDDEV=164.55246561258 STATISTICS_VALID_PERCENT=50.04 Scale: 1 Offset: 0 More information AREA_OR_POINT=Area TIFFTAG_SOFTWARE=MATLAB 9.14, Mapping Toolbox 5.5 Dimensions X: 4677 Y: 853 Bands: 1 Origin -32.4955601099999996,16.4454151199999998 Pixel Size 0.0009997861877271759391,-0.0009988276670574447458 ODM_transit_18Nov.tif Extent -36.9279732571747630,14.8264479347363469 : -32.4729732571747647,15.7054479347363465 Width 4456 Height 880 Data type Float32 - Thirty two bit floating point GDAL Driver Description GTiff GDAL Driver Metadata GeoTIFF Dataset Description /Users/jescartin/WORK/Proyectos/ODEMAR/DATA/Bathygrids/Transit/ODM_transit_18Nov.tif Compression PACKBITS Band 1 STATISTICS_APPROXIMATE=YES STATISTICS_MAXIMUM=-5171.58203125 STATISTICS_MEAN=-5712.1738558372 STATISTICS_MINIMUM=-5946.1611328125 STATISTICS_STDDEV=139.45706418798 STATISTICS_VALID_PERCENT=7.565 Scale: 1 Offset: 0 More information AREA_OR_POINT=Area TIFFTAG_SOFTWARE=MATLAB 9.14, Mapping Toolbox 5.5 Dimensions X: 4456 Y: 880 Bands: 1 Origin -36.9279732571747630,15.7054479347363465 Pixel Size 0.0009997755834829438748,-0.0009988636363636358394 ODM_transit_19Nov.tif Extent -41.3188024399999989,14.0843680599999992 : -36.8828024399999990,14.9493680599999994 Width 4437 Height 866 Data type Float32 - Thirty two bit floating point GDAL Driver Description GTiff GDAL Driver Metadata GeoTIFF Dataset Description /Users/jescartin/WORK/Proyectos/ODEMAR/DATA/Bathygrids/Transit/ODM_transit_19Nov.tif Compression PACKBITS Band 1 STATISTICS_APPROXIMATE=YES STATISTICS_MAXIMUM=-4540.5317382812 STATISTICS_MEAN=-5176.2961468757 STATISTICS_MINIMUM=-5426.123046875 STATISTICS_STDDEV=183.14492125461 STATISTICS_VALID_PERCENT=7.674 Scale: 1 Offset: 0 More information AREA_OR_POINT=Area TIFFTAG_SOFTWARE=MATLAB 9.14, Mapping Toolbox 5.5 Dimensions X: 4437 Y: 866 Bands: 1 Origin -41.3188024399999989,14.9493680599999994 Pixel Size 0.0009997746224926751767,-0.0009988452655889147342 ODM_transit_20Nov.tif Extent -44.9630377200000027,13.5018919999999998 : -41.3030377200000061,14.1828919999999989 Width 3661 Height 682 Data type Float32 - Thirty two bit floating point GDAL Driver Description GTiff GDAL Driver Metadata GeoTIFF Dataset Description /Users/jescartin/WORK/Proyectos/ODEMAR/DATA/Bathygrids/Transit/ODM_transit_20Nov.tif Compression PACKBITS Band 1 STATISTICS_APPROXIMATE=YES STATISTICS_MAXIMUM=-3173.7924804688 STATISTICS_MEAN=-4347.3027374804 STATISTICS_MINIMUM=-4821.65625 STATISTICS_STDDEV=276.6463937856 STATISTICS_VALID_PERCENT=42.31 Scale: 1 Offset: 0 More information AREA_OR_POINT=Area TIFFTAG_SOFTWARE=MATLAB 9.14, Mapping Toolbox 5.5 Dimensions X: 3661 Y: 682 Bands: 1 Origin -44.9630377200000027,14.1828919999999989 Pixel Size 0.0009997268505872703662,-0.000998533724340174662
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Colour seafloor photomosaics along towed camera tracks crossing the axis of the Lucky Strike ridge segment (Mid Altantic Ridge). Images were acquired with the WHOI TowCam system (https://www.whoi.edu/what-we-do/explore/underwater-vehicles/towed-vehicles/towcam/), during the Graviluck 2016 cruise. Images are process for colour and illumination correction. Images are placed and photomosaiced based on USBL navigation of the TowCam, altitude, and orientation. The datasets include geotiffs for each of the tracks. To be cited: cited: Gini et al. (submitted); Escartin et al. (2008; 2014).
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Multibeam near-bottom bathymetry from the Lucky Strike ridge segment along the Mid-Atlantic Ridge. The bathymetry data were acquired during AUV Asterx and ROV Victor6000 surveys during three different cruises (MOMARETO 2006, MOMAR'08-Leg1, & BATHYLUCK'09). The dataset includes a central grid (LuckyStrike_microbathymetry_Centre) that combines data from several AUV and ROV dives, and where original bathymetry grids for each dive have been manually shifted and combined into a single grid, using other datasets (shipboard bathymetry, acoustic sonar data from the Lustre'96 data) for geographical reference. The rest of the grids are from individual ROV or AUV dives. All grids are provided in NETCDF GMT .grd format, and with two associated GEOTIFFS with both the bathymetry DEM and the hillside (illumination) file. All grids are given in WGS84 (WGS 84 - WGS84 - EPSG:4326).