Wever, Nander; Leonard, Katherine C; White, Seth; Proksch, Martin (2021): Snow density and grain size measurements from Snow Micro Pen (SMP) on ice stations PS81/517 and PS81/518 from Weddell Sea, Antarctica, 2013 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.933603
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Abstract:
This dataset contains SnowMicroPen (SMP) measurements on sea ice stations PS81/517 and PS81/518 from Research Vessel Polarstern in the Antarctic Weddell Sea in austral winter 2013 (cruise leg ANT-XXIX/6, AWECS campaign). The SMP surveyed the uppermost approximately 25-30 cm of the snow surface, and processed output is available at 2.5 mm vertical resolution. The data contains snow density and grain size. Measurements were performed between 2013-07-31 and 2013-08-04. SMP measurements were done in close proximity (approximately 1-2 m distance) of snow pit locations (see Paul et al., 2017), to enable calibration of the instrument. Two perpendicular transects were made in a field that was surveyed using terrestrial laser scanning, to sample the spatial variability of the snow microstructure on sea ice. Further information can be found in Wever et al. (2021).
Related to:
Marshall, Hans-Peter; Johnson, J B (2009): Accurate inversion of high-resolution snow penetrometer signals for microstructural and micromechanical properties. Journal of Geophysical Research, 114(F4), https://doi.org/10.1029/2009JF001269
Paul, Stephan; Arndt, Stefanie; Stoll, Nicolas (2017): Snow density measurements at ice stations during POLARSTERN cruise PS81 (ANT-XXIX/6, AWECS). PANGAEA, https://doi.org/10.1594/PANGAEA.881717
Proksch, Martin; Löwe, Henning; Schneebeli, Martin (2015): Density, specific surface area, and correlation length of snow measured by high-resolution penetrometry. Journal of Geophysical Research-Earth Surface, 120(2), 346-362, https://doi.org/10.1002/2014jf003266
Wever, Nander; Leonard, Katherine C; Maksym, Ted; White, Seth; Proksch, Martin; Lenaerts, Jan T M (2021): Spatially distributed simulations of the effect of snow on mass balance and flooding of Antarctic sea ice. Journal of Glaciology, 67(266), 1055-1073, https://doi.org/10.1017/jog.2021.54
Other version:
Wever, Nander; Leonard, Katherine C; White, Seth; Proksch, Martin (2021): Snow density and grain size measurements from Snow Micro Pen (SMP) on ice stations PS81/517 and PS81/518 from Weddell Sea, Antarctica, 2013 - links to original files. PANGAEA, https://doi.org/10.1594/PANGAEA.933101
Coverage:
Median Latitude: -63.164120 * Median Longitude: 1.142045 * South-bound Latitude: -63.394340 * West-bound Longitude: -51.130410 * North-bound Latitude: -62.933900 * East-bound Longitude: 53.414500
Date/Time Start: 2013-07-31T19:42:00 * Date/Time End: 2013-08-05T00:00:00
Minimum DEPTH, ice/snow: 0.00125 m * Maximum DEPTH, ice/snow: 0.34750 m
Event(s):
PS81/517_GPS1 * Latitude: -63.394340 * Longitude: -51.130410 * Date/Time: 2013-07-31T19:42:00 * Campaign: ANT-XXIX/6 (PS81 AWECS) * Basis: Polarstern * Method/Device: Global positioning system (GPS) * Comment: Starting point of measurement; UTM Zone 22S, northing=2970466, easting=493483
PS81/518_GPS1 * Latitude: -62.933900 * Longitude: 53.414500 * Date/Time: 2013-08-05T00:00:00 * Campaign: ANT-XXIX/6 (PS81 AWECS) * Basis: Polarstern * Method/Device: Global positioning system (GPS)
Comment:
For pts files see doi:10.1594/PANGAEA.933101
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Wever, Nander | |||
| 2 | Code | Code | Wever, Nander | snow pit number | ||
| 3 | Cartesian coordinate, x | x | m | Wever, Nander | relative to GPS1 starting position | |
| 4 | Cartesian coordinate, y | y | m | Wever, Nander | relative to GPS1 starting position | |
| 5 | Code | Code | Wever, Nander | sample number | ||
| 6 | DEPTH, ice/snow | Depth ice/snow | m | Wever, Nander | Geocode | |
| 7 | Variable | Variable | Wever, Nander | lambda (mm^-3), see Proksch et al. (2015) for details | ||
| 8 | Variable | Variable | Wever, Nander | L (mm), see Proksch et al. (2015) for details | ||
| 9 | Variable | Variable | Wever, Nander | f_0 (N), see Proksch et al. (2015) for details | ||
| 10 | delta | delta | Wever, Nander | in mm | ||
| 11 | Density, snow | Density snow | kg/m3 | Wever, Nander | rhoHP, see Marshall et al. (2009) | |
| 12 | Force | F | N | Wever, Nander | ||
| 13 | Density, snow | Density snow | kg/m3 | Wever, Nander | calibrated, using snow pits as described in Wever et al. (2021) | |
| 14 | Snow grain size | Snow grain size | mm | Wever, Nander | after calibration using snow pits as described in Wever et al. (2021). Note that due to lower sensitivity setting of the SMP when obtaining these measurements, there is significant uncertainty related to grain size derived from the measurements. |
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:
375237 data points
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