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Behrendt, Axel; Dierking, Wolfgang; Fahrbach, Eberhard; Witte, Hannelore (2013): Sea ice draft measured by upward looking sonar at mooring site AWI232-4. PANGAEA, https://doi.org/10.1594/PANGAEA.785822, In supplement to: Behrendt, A et al. (2013): Sea ice draft in the Weddell Sea, measured by upward looking sonars. Earth System Science Data, 5(1), 209-226, https://doi.org/10.5194/essd-5-209-2013

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Coverage:
Latitude: -68.994200 * Longitude: -0.031800
Date/Time Start: 1999-01-19T23:58:00 * Date/Time End: 2000-12-20T19:26:00
Minimum DEPTH, water: -9.39 m * Maximum DEPTH, water: 188.95 m
Event(s):
AWI232-4 * Latitude: -68.994200 * Longitude: -0.031800 * Date/Time Start: 1999-01-20T02:00:00 * Date/Time End: 2000-12-20T20:00:00 * Elevation: -3377.0 m * Location: Weddell Sea * Campaign: ANT-XVI/2 (PS53) * Basis: Polarstern * Device: Mooring (long time) (MOORY)
Comment:
Lograte: 4 min. Time gaps: No values recorded by the ULS. The data identification flags (columns 6 & 8) stand for: 1=ice, 2=thin ice/open water, 0=water, empty cells=rejected/erroneous data. Depth was calculated by: (p_uls-p_atm)/(rho * g), where p_uls is the measured water pressure, p_atm is the atmospheric pressure from ECMWF (http://www.ecmwf.int) reanalysis, rho is 1027 kg/m**3, and g is the latitude-dependent acceleration of gravity.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DATE/TIMEDate/TimeGeocode
2DEPTH, waterDepth watermGeocode
3Pressure, waterPressdbarDierking, WolfgangUpward looking sonar (ULS)
4DraftDraftmDierking, WolfgangUpward looking sonar (ULS)Pseudo draft; uncorrected raw draft
5DraftDraftmDierking, WolfgangCalculatedzero line correction
6Validation flag/commentFlagDierking, Wolfgangzero line correction
7DraftDraftmDierking, WolfgangCalculatedmodel correction
8Validation flag/commentFlagDierking, Wolfgangmodel correction
9Two-way traveltimeTWTsDierking, WolfgangUpward looking sonar (ULS)
10Tilt angleTiltdegDierking, WolfgangUpward looking sonar (ULS)
11Temperature, waterTemp°CDierking, WolfgangTemperature recorder
Size:
1822669 data points

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