Wever, Nander; Maksym, Ted; White, Seth; Leonard, Katherine C (2021): Ice mass balance data PS81/506-1 from Weddell Sea, Antarctica, 2013-2014 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.933417
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Abstract:
Ice mass balance (IMB) buoy data PS81/506 from Weddell Sea, Antarctica, 2013-2014. The buoy was deployed together with an automatic weather station buoy (see under related) on sea ice station PS81/506 from Research Vessel Polarstern in the Antarctic Weddell Sea in austral winter 2013 (cruise leg ANT-XXIX/6, AWECS campaign). The IMB buoy provides data between 2013-07-13T12:15:00 and 2014-02-07T01:17:00.
The IMB buoy was kindly provided by the Scottish Association for Marine Science (SAMS). The IMB buoy consisted of a thermistor string of 5 m length, with a 2 cm sensor spacing. Interfaces were determined by hand. The bottom interface was determined from the existence of a knee in the temperature profile where apparent, combined with the heating cycle data. Both the amount of heating, and the ratio of heating at 60s over heating at 30s were used. This is very accurate up until ~day 300, and it is probably about +/- 4 cm after that. The snow interface was determined by the above, and looking at the knee in the temperature profile for each of the four temperature profiles during the day. This is more difficult to pick out, so accuracy here is maybe a few cm. Note flooding occurred at ~day 290 (probably up to freeboard level on ~day 278). The flooding interface was determined from day 250 on, and based mostly on the heating cycle. Clear surface snow melt on ~day 330, and IMB goes isothermal and warm on ~day 350. It may be that the thermistor string was pulled out of the ice, since it is warm at the sensors that were in the ocean.
Related to:
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
Wever, Nander; Maksym, Ted; White, Seth; Leonard, Katherine C (2021): Automatic weather station buoy data PS81/506-1 from Weddell Sea, Antarctica, 2013-2014. PANGAEA, https://doi.org/10.1594/PANGAEA.933415
Funding:
National Science Foundation (NSF), grant/award no. OPP-1142075: Role of Snow Distribution Processes in Antarctic Sea Ice Mass Balance
National Science Foundation (NSF), grant/award no. OPP-1341513: Collaborative Research: Seasonal Sea Ice Production in the Ross Sea, Antarctica
Swiss National Science Foundation (SNF), grant/award no. 142684: Antarctic precipitation, snow accumulation processes, and ice-ocean interactions
Swiss National Science Foundation (SNF), grant/award no. 172299: Spatial variability of snow on sea ice: where does it originate from and how does it impact the sea ice mass balance?
Coverage:
Latitude: -67.130000 * Longitude: -23.055670
Date/Time Start: 2013-07-11T00:00:00 * Date/Time End: 2013-07-11T00:00:00
Minimum Elevation: -4909.0 m * Maximum Elevation: -4909.0 m
Event(s):
PS81/506-1 * Latitude: -67.130000 * Longitude: -23.055670 * Date/Time: 2013-07-11T00:00:00 * Elevation: -4909.0 m * Location: Weddell Sea * Campaign: ANT-XXIX/6 (PS81 AWECS) * Basis: Polarstern * Method/Device: Ice station (ICE)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | File content | Content | Wever, Nander | |||
| 2 | Binary Object | Binary | Wever, Nander | |||
| 3 | Binary Object (Media Type) | Binary (Type) | Wever, Nander | |||
| 4 | Binary Object (File Size) | Binary (Size) | Bytes | Wever, Nander |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Basic curation (CurationLevelB)
Size:
12 data points
Data
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| 1 Content | 2 Binary | 3 Binary (Type) | 4 Binary (Size) [Bytes] |
|---|---|---|---|
| As IMB_WHOI_05_temperatures.dat, but for heating rate ratio of heating at 60s over heating at 30s. | IMB_WHOI_05_heatingrate.dat | text/plain | 1.3 MBytes |
| As IMB_WHOI_05_heatingrate.dat, but masked with the manually determined interfaces. Heating rate data above the snow surface and below the bottom of the ice is set to -9999 (nodata). | IMB_WHOI_05_heatingrate_masked.dat | text/plain | 1.2 MBytes |
| Manually determined interfaces, containing day-of-year, timestamp, top of snow (cm), bottom of ice (cm), and flooding level (cm). Negative (positive) values are above (below) the snow/ice interface upon installation. | IMB_WHOI_05_interfaces.dat | text/plain | 56.9 kBytes |
| Positional data, containing timestamp and geographical position of IMB buoy (latitude, longitude) | IMB_WHOI_05_position.dat | text/plain | 638.1 kBytes |
| Temperature data (degrees Celsius) from IMB buoy. The top row contains time stamps, the first column contains the depth (cm). Negative (positive) values of depth are above (below) the snow/ice interface upon installation. | IMB_WHOI_05_temperature.dat | text/plain | 1.8 MBytes |
| As IMB_WHOI_05_temperatures.dat, but masked with the manually determined interfaces. Temperature data above the snow surface and below the bottom of the ice is set to -9999 (nodata). | IMB_WHOI_05_temperature_masked.dat | text/plain | 1.3 MBytes |