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Nicolaus, Marcel; Schwegmann, Sandra (2015): Snow height on sea ice and sea ice drift from autonomous measurements from buoy 2014S17, deployed during POLARSTERN cruise ANT-XXX/2 (PS89). Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research, Bremerhaven, PANGAEA,, In: Nicolaus, Marcel; Hoppmann, Mario; Arndt, Stefanie; Hendricks, Stefan; Katlein, Christian; König-Langlo, Gert; Nicolaus, Anja; Rossmann, Leonard; Schiller, Martin; Schwegmann, Sandra; Langevin, Danielle; Bartsch, Annekathrin (2017): Snow height and air temperature on sea ice from Snow Buoy measurements. Alfred Wegener Institute, Helmholtz Center for Polar and Marine Research, Bremerhaven, PANGAEA,

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Snow height was measured by the Snow Depth Buoy 2014S17, an autonomous platform, drifting on Antarctic sea ice, deployed during POLARSTERN cruise ANT-XXX/2 (PS89). The resulting time series describes the evolution of snow depth as a function of place and time between 20 Dec 2014 and 01 Feb 2015 in sample intervals of 1 hour. The Snow Depth Buoy consists of four independent sonar measurements representing the area (approx. 10 m**2) around the buoy. The buoy was installed on first year ice. In addition to snow depth, geographic position (GPS), barometric pressure, air temperature, and ice surface temperature were measured. Negative values of snow depth occur if surface ablation continues into the sea ice. Thus, these measurements describe the position of the sea ice surface relative to the original snow-ice interface. Differences between single sensors indicate small-scale variability of the snow pack around the buoy. The data set has been processed, including the removal of obvious inconsistencies (missing values). In this data set, diurnal variations occur in the data set, although the sonic readings were compensated for temperature changes. Records without any snow depth may still be used for sea ice drift analyses.
Median Latitude: -68.011136 * Median Longitude: -0.253870 * South-bound Latitude: -68.689000 * West-bound Longitude: -2.078000 * North-bound Latitude: -67.409400 * East-bound Longitude: 0.998200
Date/Time Start: 2014-12-20T17:00:00 * Date/Time End: 2015-02-01T04:03:00
2014S17 * Latitude Start: -67.572400 * Longitude Start: 0.127600 * Latitude End: -67.923200 * Longitude End: -1.557600 * Date/Time Start: 2014-12-20T17:00:00 * Date/Time End: 2015-02-01T04:03:00 * Location: Lazarev Sea * Device: Buoy (BUOY) * Comment: Global Telecommunication System (GTS), WMO-ID 7100236, International Programme for Antarctic Buoys (IPAB)
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DATE/TIMEDate/TimeNicolaus, MarcelGeocode
2LATITUDELatitudeNicolaus, MarcelGeocode
3LONGITUDELongitudeNicolaus, MarcelGeocode
4Snow heightSnow hmNicolaus, MarcelSensor 1
5Snow heightSnow hmNicolaus, MarcelSensor 2
6Snow heightSnow hmNicolaus, MarcelSensor 3
7Snow heightSnow hmNicolaus, MarcelSensor 4
8Snow heightSnow hmNicolaus, Marcelmean
9Pressure, atmosphericPPPPhPaNicolaus, Marcel
10Temperature, airTTT°CNicolaus, Marcel
11Temperature, technicalT tech°CNicolaus, MarcelEquipment body
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