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Huvenne, Veerle A I; Orejas, Covadonga; Rodriguez, Pablo; Wardell, Catherine (2023): Multibeam bathymetry processed data (Atlas Hydrosweep DS 3 echo sounder working area dataset) of RV SARMIENTO DE GAMBOA during cruise iMirabilis2, Leg.1, Cabo Verde [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.954018

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Abstract:
Multibeam data collected around Cabo Verde on the iMirabilis2 Cruise, 04/08/2021-26/08/2021, as part of the iAtlantic Project. The data were collected using an Atlas Hydrosweep DS-3 Multibeam Echosounder, using Atlas Naviscan and PDS2000 from Teledyne. The data has been manually cleaned using swath and subset editors in CARIS HIPS and SIPS versions 10.4 and 11.1. CTD derived sound velocity profiles were applied during data acquisition and a Polpred generated tide file was applied during processing to correct the vertical datum to mean sea level (MSL). The dataset spans ~200m - 4500m depth. A raster was created in CARIS HIPS AND SIPS using the swath angle gridding method at 100m resolution, the 'Fill raster holiday' function was used with a matrix size 5 x 5 and 6 neighbours. This was then exported as a GeoTIFF, imported to ArcMap and reprojected to a GeoTIFF in WGS84, EPSG code: 4326.
Keyword(s):
Bathymetry; Cabo Verde; iAtlantic; iMirabilis; Multibeam Data; Multibeam Echosounder
Related to:
Orejas, Covadonga; Huvenne, Veerle A I; Sweetman, Andrew K; Vinha, Beatrix; Abella, Joan Carles; Andrade, Pablo; Alfonso, Andreia; Antelo, Juan; Austin-Berry, Richard; Baltasar, Lino; Nadito, Barbosa; Barnhill, Kelsey Archer; Barreiro, A; Bettencourt, Renato; de Jonge, Danielle; González-Solís, Jacob; Gori, Andrea; Gunn, Vikki; Menéndez, M; Raddatz, Jacek; Ramos, B; Rodriguez, Pablo; Sanchez, Mario Villatoro; Simon-Lledó, Erik; Smith, Andrew; Vélez-Belchí, Pedro (2022): Expedition report iMirabilis2 survey. Zenodo, https://doi.org/10.5281/zenodo.6352141
Project(s):
Integrated Assessment of Atlantic Marine Ecosystems in Space and Time (iAtlantic)
Funding:
Horizon 2020 (H2020), grant/award no. 818123: Integrated Assessment of Atlantic Marine Ecosystems in Space and Time
Coverage:
Median Latitude: 15.805750 * Median Longitude: -23.443500 * South-bound Latitude: 15.339400 * West-bound Longitude: -23.495000 * North-bound Latitude: 16.272100 * East-bound Longitude: -23.392000
Date/Time Start: 2021-08-04T08:43:35 * Date/Time End: 2021-08-27T00:00:00
Event(s):
iMirabilis2_Leg1_0_Underway-1 * Latitude Start: 15.339400 * Longitude Start: -23.495000 * Latitude End: 16.272100 * Longitude End: -23.392000 * Date/Time Start: 2021-08-04T08:43:35 * Date/Time End: 2021-08-27T00:00:00 * Location: Cape Verde * Campaign: iMirabilis2_Leg1 * Basis: Sarmiento de Gamboa * Method/Device: Swath-mapping system Atlas Hydrosweep DS-3 (DS3) * Comment: Event shows start/end point (date/time & coordinates) of first/last data record using Atlas Hydrographic Hydrosweep DS 3 multibeam echo sounder during cruise iMirabilis2_Leg1
Comment:
These data should not be used for navigational purposes.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Binary ObjectBinaryHuvenne, Veerle A I
2 Binary Object (File Size)Binary (Size)BytesHuvenne, Veerle A I
3 Binary Object (Media Type)Binary (Type)Huvenne, Veerle A I
4 File contentContentHuvenne, Veerle A I
5 Raster cell sizeRaster cell sizeHuvenne, Veerle A I
6 Vertical datumVertical datumHuvenne, Veerle A I
7 Horizontal datumHorizontal datumHuvenne, Veerle A I
8 Horizontal datum, projection stored in fileHorizontal datum in fileHuvenne, Veerle A I
9 Longitude, westboundLongitude westHuvenne, Veerle A I
10 Longitude, eastboundLongitude eastHuvenne, Veerle A I
11 Latitude, southboundLatitude southHuvenne, Veerle A I
12 Latitude, northboundLatitude northHuvenne, Veerle A I
13 Elevation, minimumElev minm a.s.l.Huvenne, Veerle A I
14 Elevation, maximumElev maxm a.s.l.Huvenne, Veerle A I
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 3 (ProcLevel3)
Size:
21 data points

Data

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1 
Binary		2 
Binary (Size) [Bytes]		3 
Binary (Type)		4 
Content		5 
Raster cell size		6 
Vertical datum		7 
Horizontal datum		8 
Horizontal datum in file		9 
Longitude west		10 
Longitude east		11 
Latitude south		12 
Latitude north		13 
Elev min [m a.s.l.]		14 
Elev max [m a.s.l.]
iMirabilis2_100m_Tide_SA_56_1.tif22.5 MBytesimage/tiffbathymetry raster / negative values in meters for depth measurements (= elevation)0.000928degMean sea level (MSL)EPSG:4326EPSG:4326-25.5600000-23.280000014.200000016.3300000-4504.040-195.050
iMirabilis_2021_DD.txt513.4 MBytestext/plainspace " " separated text file / longitude, lattitude, depth / positive values in meters for depth measurementsMean sea level (MSL)-25.5111125-23.352890914.248541416.29521364505.891177.032