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Zimmer, Florian; Nicolaus, Marcel; Salganik, Evgenii; Tao, Ran; Schiller, Martin; Elmaleh, Coralie: Distance between ROV and sea ice from ROV survey CONTRASTS/PS149_32-1 on 2025-08-09, survey 1 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.996576 (dataset in review), In: Zimmer, F et al.: Spectral solar radiation over and under the sea ice, spectral transmittance and transflectance and sea ice draft measured by the Remotely Operated Vehicle (ROV) Beast during the CONTRASTS expedition [dataset bundled publication]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.996560 (dataset in review)

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Abstract:
The distance between a remotely operated vehicle (ROV) and the sea-ice underside was measured by a single-beam upward-looking acoustic sonar altimeter (Tritech PA500) attached to the ROV during the CONTRASTS expedition in July and August 2025. Sea-ice draft was derived by subtracting the distance to the sea-ice underside from the ROV depth, uncorrected for ROV attitude (pitch, roll). An offset between the depth reference (ROV bumper bars) and the altimeter of 0.105 m is accounted for in the presented data.
Keyword(s):
Arctic sea ice; BEAST; CONTRASTS; Polarstern; PS149; Remotely operated vehicle (ROV); sea ice draft; shortwave radiation; transmittance
Related to:
Nicolaus, Marcel (2026): The Expedition PS149 of the Research Vessel POLARSTERN to the Arctic Ocean in 2025. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 808, 382 pp, https://doi.org/10.57738/BZPM_0808_2026
Additional metadata:
O2A Registry: Metadata for altimeter PA500 High Precision Altimeter at current Version. Alfred Wegener Institut Helmholtz Centre for Polar and Marine Research, hdl:10013/sensor.f7884e10-769c-48ea-8ba6-7bd6c04baa94
Project(s):
Funding:
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven (AWI), grant/award no. AWI_PS149_01: Sea Ice Physics (CONTRASTS)
German Research Foundation (DFG), grant/award no. 268020496: TRR 172: ArctiC Amplification: Climate Relevant Atmospheric and SurfaCe Processes, and Feedback Mechanisms
Horizon Europe (HorizonEU), grant/award no. 101135051: Arctic pollution in a One Health perspective – from complex challenges to sustainable solutions
Coverage:
Median Latitude: 83.287666 * Median Longitude: 33.835871 * South-bound Latitude: 83.232233 * West-bound Longitude: 33.637523 * North-bound Latitude: 83.326878 * East-bound Longitude: 34.147091
Date/Time Start: 2025-08-09T19:42:13 * Date/Time End: 2025-08-09T21:16:50
Minimum DEPTH, water: 0.80 m * Maximum DEPTH, water: 6.40 m
Event(s):
PS149_32-1 (Ice Station 1c) * Latitude Start: 83.303888 * Longitude Start: 33.637523 * Latitude End: 83.326878 * Longitude End: 34.147091 * Date/Time Start: 2025-08-09T08:00:12 * Date/Time End: 2025-08-10T22:07:56 * Elevation Start: -3885.5 m * Elevation End: -3872.4 m * O2A Registry URI: https://registry.o2a-data.de/items/8891 * Campaign: PS149 (CONTRASTS, ArcWatch 3) * Basis: Polarstern * Method/Device: Ice station (ICE) * Comment: # Ice Station 1c
PS149_32-1-BEAST-2 * Latitude: 83.232233 * Longitude: 33.723000 * Date/Time Start: 2025-08-09T18:30:00 * Date/Time End: 2025-08-09T18:30:00 * O2A Registry URI: https://registry.o2a-data.de/items/650 * Campaign: PS149 (CONTRASTS, ArcWatch 3) * Basis: Polarstern * Method/Device: Remotely operated sensor platform BEAST (BEAST) * Comment: Not logged in DShip. Optics, main grid
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventZimmer, Florian
2Station labelStationZimmer, Florian
3DATE/TIMEDate/TimeZimmer, FlorianGeocode
4Distance, relative, XDist rel XmZimmer, Florianacoustic LBL (Long BaseLine)-positioning
5Distance, relative, YDist rel YmZimmer, Florianacoustic LBL (Long BaseLine)-positioning
6DEPTH, waterDepth watermZimmer, FlorianPressure sensor, Keller A-21YGeocode
7Distance to sea ice bottomDist sea ice bottommZimmer, FlorianDigital precision altimeter, Tritech, PA500
8Sea ice draftSea ice draftmZimmer, FlorianCalculated
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
39540 data points

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