Tekeli, Ahmet E; Kern, Stefan; Ackley, Stephen F; Ozsoy-Cicek, Burcu; Xie, Hongjie (2011): (Table 1) ASAR radar data in comparison with observations of total and dominant sea ice-type, ice concentration and thickness made during Nathanial B. Palmer cruise NBP09-01 and Oden cruise OSO08/09 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.839039, In supplement to: Tekeli, AE et al. (2011): Summer Antarctic sea ice as seen by ASAR and AMSR-E and observed during two IPY field cruises: a case study. Annals of Glaciology, 52(57), 327-336, https://doi.org/10.3189/172756411795931697
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Coverage:
Median Latitude: -72.825705 * Median Longitude: -118.663888 * South-bound Latitude: -75.500000 * West-bound Longitude: -151.300000 * North-bound Latitude: -71.613471 * East-bound Longitude: -102.981370
Date/Time Start: 2008-12-29T12:00:00 * Date/Time End: 2009-02-08T17:00:00
Event(s):
NBP0901_Ao1 * Latitude: -71.613471 * Longitude: -102.981370 * Date/Time: 2009-01-14T05:00:00 * Location: Southern Ocean * Campaign: NBP0901 (DynaLiFe) * Basis: Nathaniel B. Palmer * Method/Device: Ice survey (ICESUR)
NBP0901_Ao2 * Latitude: -71.935833 * Longitude: -103.721892 * Date/Time: 2009-01-14T16:00:00 * Location: Southern Ocean * Campaign: NBP0901 (DynaLiFe) * Basis: Nathaniel B. Palmer * Method/Device: Ice survey (ICESUR)
NBP0901_Ao3 * Latitude: -72.705007 * Longitude: -105.492836 * Date/Time: 2009-01-15T12:00:00 * Location: Southern Ocean * Campaign: NBP0901 (DynaLiFe) * Basis: Nathaniel B. Palmer * Method/Device: Ice survey (ICESUR)
Comment:
The number of pixels is the number of valid ASAR image gridcells of the respective 2km x 2km box (maximum number here is 288; a smaller number indicates that the box is located at the ASAR image edge).
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Latitude of event | Latitude | ||||
| 3 | Longitude of event | Longitude | ||||
| 4 | Campaign | Campaign | Tekeli, Ahmet E | |||
| 5 | DATE/TIME | Date/Time | Geocode | |||
| 6 | Ice concentration | Ice conc | tenths | Tekeli, Ahmet E | total | |
| 7 | Ice concentration | Ice conc | tenths | Tekeli, Ahmet E | dominant ice type | |
| 8 | Ice type | Ice type | Tekeli, Ahmet E | first-year ice (FY): thickness 0.7-1.2 m, thick first-year ice (TFY): thickness >1.2 m, multi-year ice (MY) | ||
| 9 | Ice thickness | Ice thick | m | Tekeli, Ahmet E | dominant ice type | |
| 10 | Snow thickness | Snow thick | m | Tekeli, Ahmet E | dominant ice type | |
| 11 | Time point, descriptive | Time point | Tekeli, Ahmet E | Time of ASAR data | ||
| 12 | Echo backscatter | Backsc | dB | Tekeli, Ahmet E | ASAR radar backscatter | |
| 13 | Standard deviation | Std dev | ± | Tekeli, Ahmet E | of radar backscatter | |
| 14 | Number of pixels | No pix | # | Tekeli, Ahmet E | ||
| 15 | Angle | Angle | deg | Tekeli, Ahmet E | ASAR incident angle (the local incidence angle (degrees from nadir) at the ship's position) |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
115 data points
Data
| 1 Event | 2 Latitude | 3 Longitude | 4 Campaign | 5 Date/Time | 6 Ice conc [tenths] (total) | 7 Ice conc [tenths] (dominant ice type) | 8 Ice type (first-year ice (FY): thicknes...) | 9 Ice thick [m] (dominant ice type) | 10 Snow thick [m] (dominant ice type) | 11 Time point (Time of ASAR data) | 12 Backsc [dB] (ASAR radar backscatter) | 13 Std dev [±] (of radar backscatter) | 14 No pix [#] | 15 Angle [deg] (ASAR incident angle (the loca...) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OSO0809_Ao1 | -72.30 | -144.00 | Oden 2008 | 2008-12-29T12:00 | 5 | 5 | FY | 1.0 | 0.5 | 1112 | -15.8 | 1.3 | 191 | 41 |
| OSO0809_Ao2 | -74.30 | -151.00 | Oden 2008 | 2008-12-31T12:00 | 6 | 6 | FY | 1.0 | 0.4 | 1149 | -15.2 | 1.0 | 225 | 34 |
| OSO0809_Ao3 | -75.50 | -151.30 | Oden 2008 | 2009-01-01T13:30 | 6 | 6 | TFY | 2.5 | 0.4 | 1118 | -13.1 | 1.0 | 281 | 23 |
| OSO0809_Ao3 | -75.50 | -151.30 | Oden 2008 | 2009-01-01T13:30 | 6 | 6 | TFY | 2.5 | 0.4 | 1257 | -16.3 | 1.1 | 238 | 40 |
| NBP0901_Ao1 | -71.61 | -102.98 | Palmer 2009 | 2009-01-14T05:00 | 7 | 7 | TFY | 2.0 | 0.2 | 0749 | -13.6 | 1.3 | 135 | 32 |
| NBP0901_Ao2 | -71.94 | -103.72 | Palmer 2009 | 2009-01-14T16:00 | 5 | 5 | TFY | 2.0 | 0.7 | 1424 | -11.9 | 1.7 | 288 | 21 |
| NBP0901_Ao3 | -72.71 | -105.49 | Palmer 2009 | 2009-01-15T12:00 | 5 | 2 | TFY | 1.5 | 0.4 | 1352 | -13.0 | 1.5 | 236 | |
| NBP0901_Ao4 | -72.82 | -105.75 | Palmer 2009 | 2009-01-15T13:00 | 7 | 5 | MY | 4.0 | 1.5 | -12.6 | 1.3 | 183 | 31 | |
| NBP0901_Ao5 | -72.42 | -107.84 | Palmer 2009 | 2009-02-08T14:00 | 5 | 3 | TFY | 1.5 | 0.5 | -10.1 | 1.3 | 288 | ||
| NBP0901_Ao6 | -72.39 | -107.54 | Palmer 2009 | 2009-02-08T15:00 | 7 | 3 | TFY | 2.0 | 0.7 | 1438 | -8.3 | 1.6 | 277 | 21 |
| NBP0901_Ao7 | -72.28 | -107.01 | Palmer 2009 | 2009-02-08T17:00 | 8 | 5 | TFY | 2.5 | 0.7 | -7.6 | 1.0 | 283 |