Krawczyk, Diana Wioletta: Multibeam bathymetry processed data (Reson SeaBat T50 dataset compilation) of RV SANNA during cruise SANNA_2018-05, SANNA_2019-03 & SANNA_2020-10, Nuup Kangerlua fjord, Davis Strait [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.992416 (dataset in review), In: Krawczyk, DW: Seafloor dataset (RV Sanna 2018-2020) from Nuup Kangerlua, Southwest Greenland [dataset bundled publication]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.992420 (dataset in review)
Abstract:
Multibeam data were collected during three cruises with RV Sanna between 2018 and 2020 in Nuup Kangerlua fjords, Southwest Greenland. The goal of this project was to explore seafloor terrain and environment of the entire fjord system. Multibeam bathymetry and backscatter data were aquired with hull-mounted Teledyne echo sounder SeaBat T50-ER (max. 1000 m) operated at 180 kHz. Positioning and movements of the vessel were obtained from the Applanix POS MV Surfmaster receiving data from an Integrated Motion Unit and two Trimble GNSS antennas. The accuracy of the observations is generally within 0.5 to 2 m horizontally and up to 0.03 degrees roll, pitch, and heading of the vessel. Multibeam data were SVP-corrected, tide-corrected, and cleaned using PDS software. Data were gridded at 10 x 10 m resolution for terrain analyses and at 50 x 50 m resolution for public dissemination, in accordance with Danish national hydrographic authorities and security-related restrictions on detailed seabed and depth information from national coastal waters. Gridded multibeam data were analyzed for seafloor landforms using hillshade, slope, and profile analyses which are also provided here as shapefiles.
Related to:
Krawczyk, Diana Wioletta; Batchelor, Christine Louise; Pearce, Christof; Seidenkrantz, Marit-Solveig; Sørensen, Aqqaluk David; Zinglersen, Karl Brix (submitted): New evidence show stepwise deglaciation of the Nuup Kangerlua system, Southwest Greenland. Continental Shelf Research
Coverage:
Latitude: 64.393856 * Longitude: -51.206128
Date/Time Start: 2018-05-09T00:00:00 * Date/Time End: 2020-10-09T00:00:00
Event(s):
NuupKan_Multibeam * Latitude: 64.393856 * Longitude: -51.206128 * Date/Time Start: 2018-05-09T00:00:00 * Date/Time End: 2020-10-09T00:00:00 * Method/Device: Multibeam echosounder, Teledyne Reson SeaBat T50-ER (T50-ER) * Comment: Event refers to center location of raster file in doi:10.1594/PANGAEA.992416
Sanna_2018-05_Underway-1 * Date/Time Start: 2018-05-09T00:00:00 * Date/Time End: 2018-05-16T00:00:00 * Campaign: Sanna_2018-05 (NuupKan 2018) * Basis: Sanna * Method/Device: Multibeam echosounder, Teledyne Reson SeaBat T50-ER (T50-ER)
Sanna_2019-03_Underway-1 * Date/Time Start: 2019-03-25T00:00:00 * Date/Time End: 2019-03-29T00:00:00 * Campaign: Sanna_2019-03 (NuupKan 2019) * Basis: Sanna * Method/Device: Multibeam echosounder, Teledyne Reson SeaBat T50-ER (T50-ER)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Binary Object | Binary | ||||
| 2 | Raster cell size | Raster cell size | Extracted from file | |||
| 3 | File content | Content | ||||
| 4 | Vertical datum | Vertical datum | ||||
| 5 | Horizontal datum | Horizontal datum | Extracted from file | |||
| 6 | Horizontal datum, projection stored in file | Horizontal datum in file | Extracted from file | |||
| 7 | Longitude, westbound | Longitude west | Extracted from file | |||
| 8 | Longitude, eastbound | Longitude east | Extracted from file | |||
| 9 | Latitude, southbound | Latitude south | Extracted from file | |||
| 10 | Latitude, northbound | Latitude north | Extracted from file | |||
| 11 | UTM Zone, Universal Transverse Mercator | UTM Zone | Extracted from file | |||
| 12 | UTM Easting, Universal Transverse Mercator | UTM east | m | Extracted from file | westbound | |
| 13 | UTM Easting, Universal Transverse Mercator | UTM east | m | Extracted from file | eastbound | |
| 14 | UTM Northing, Universal Transverse Mercator | UTM north | m | Extracted from file | southbound | |
| 15 | UTM Northing, Universal Transverse Mercator | UTM north | m | Extracted from file | northbound | |
| 16 | Elevation, minimum | Elev min | m a.s.l. | Extracted from file | ||
| 17 | Elevation, maximum | Elev max | m a.s.l. | Extracted from file |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 4 (ProcLevel4)
Size:
32 data points
Data
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| 1 Binary | 2 Raster cell size | 3 Content | 4 Vertical datum | 5 Horizontal datum | 6 Horizontal datum in file | 7 Longitude west | 8 Longitude east | 9 Latitude south | 10 Latitude north | 11 UTM Zone | 12 UTM east [m] (westbound) | 13 UTM east [m] (eastbound) | 14 UTM north [m] (southbound) | 15 UTM north [m] (northbound) | 16 Elev min [m a.s.l.] | 17 Elev max [m a.s.l.] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Multibeam_backscatter_50m_32622_NaN.tif | 50m | bathymetry raster / negative values in meters for depth measurements (= elevation) | none | WGS 84 / UTM zone 22N, EPSG:32622 | WGS 84 / UTM zone 22N, EPSG:32622 | -52.12 | -50.27 | 64.04 | 64.74 | 22N | 445450 | 534670 | 7102230 | 7179610 | -75.72 | 24.36 |
Multibeam_bathymetry_50m_32622_NaN.tif | 50m | backscatter raster | none | WGS 84 / UTM zone 22N, EPSG:32622 | WGS 84 / UTM zone 22N, EPSG:32622 | -53.37 | -50.17 | 63.88 | 64.74 | 22N | 383520 | 539300 | 7086360 | 7179610 |