Hoffmann, Ralf; Braeckman, Ulrike; Wenzhöfer, Frank (2017): Solute exchange across the sediment-water interface in the HAUSGARTEN area (Fram Strait) in 2014 (POLARSTERN cruise PS85) [dataset]. Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, PANGAEA, https://doi.org/10.1594/PANGAEA.883654, In supplement to: Hoffmann, Ralf; Braeckman, Ulrike; Hasemann, Christiane; Wenzhöfer, Frank (2018): Deep-sea benthic communities and oxygen fluxes in the Arctic Fram Strait controlled by sea-ice cover and water depth. Biogeosciences, 15(16), 4849-4869, https://doi.org/10.5194/bg-15-4849-2018
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Abstract:
During PS85 (in 2014) and PS93.2 (in 2015) sediment cores were recovered by a Multiple corer. A sodium bromide solution of similar density as seawater (1028 g/L) replaced the overlying water of the cores. Three subsamples of water were taken during an incubation at three different times (t0, t1, t2) and stored at 4 °C. Removed water volume of the subsampling at t1 was replaced with the NaBr-seawater solution. The bromide concentrations were measured using ion chromatography. The dilution of the t2-sample, due to the sampling procedure, was corrected by the known bromide concentration in the removed and the added water. The solute exchange is represented by the bromide flux
Project(s):
Coverage:
Median Latitude: 78.956626 * Median Longitude: 0.393355 * South-bound Latitude: 78.505670 * West-bound Longitude: -5.290500 * North-bound Latitude: 79.133500 * East-bound Longitude: 6.106500
Date/Time Start: 2014-06-17T14:30:00 * Date/Time End: 2014-06-24T23:34:00
Minimum Elevation: -2557.7 m * Maximum Elevation: -1056.3 m
Event(s):
PS85/436-1 (EGI) * Latitude: 78.973330 * Longitude: -5.290500 * Date/Time: 2014-06-17T14:30:00 * Elevation: -1056.3 m * Location: North Greenland Sea * Campaign: PS85 (ARK-XXVIII/2) * Basis: Polarstern * Method/Device: Multicorer with television (TVMUC)
PS85/441-1 * Latitude: 78.933500 * Longitude: -4.650330 * Date/Time: 2014-06-18T03:18:00 * Elevation: -1499.7 m * Location: North Greenland Sea * Campaign: PS85 (ARK-XXVIII/2) * Basis: Polarstern * Method/Device: Multicorer with television (TVMUC)
PS85/445-1 * Latitude: 78.803170 * Longitude: -3.875330 * Date/Time: 2014-06-19T02:02:00 * Elevation: -1943.8 m * Location: North Greenland Sea * Campaign: PS85 (ARK-XXVIII/2) * Basis: Polarstern * Method/Device: MultiCorer (MUC)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Hoffmann, Ralf | |||
| 2 | Date/Time of event | Date/Time | Hoffmann, Ralf | |||
| 3 | Latitude of event | Latitude | Hoffmann, Ralf | |||
| 4 | Longitude of event | Longitude | Hoffmann, Ralf | |||
| 5 | Elevation of event | Elevation | m | Hoffmann, Ralf | ||
| 6 | Station label | Station | Hoffmann, Ralf | |||
| 7 | Bromide, flux | Br- flux | mmol/m2/day | Hoffmann, Ralf | Solute exchange as bromide flux per day |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
20 data points
Data
| 1 Event | 2 Date/Time | 3 Latitude | 4 Longitude | 5 Elevation [m] | 6 Station | 7 Br- flux [mmol/m2/day] |
|---|---|---|---|---|---|---|
| PS85/436-1 | 2014-06-17T14:30 | 78.9733 | -5.2905 | -1056 | EGI | 29.29 |
| PS85/441-1 | 2014-06-18T03:18 | 78.9335 | -4.6503 | -1500 | EGII | 25.30 |
| PS85/445-1 | 2014-06-19T02:02 | 78.8032 | -3.8753 | -1944 | EGIII | 57.66 |
| PS85/454-3 | 2014-06-20T17:59 | 78.5057 | -2.8177 | -2558 | EGV | 28.07 |
| PS85/470-3 | 2014-06-24T23:34 | 79.1335 | 6.1065 | -1244 | HGI | 63.75 |
| PS85/470-3 | 2014-06-24T23:34 | 79.1335 | 6.1065 | -1244 | HGI | 66.45 |
| PS85/469-2 | 2014-06-24T19:18 | 79.1322 | 4.9062 | -1492 | HGII | 53.44 |
| PS85/469-2 | 2014-06-24T19:18 | 79.1322 | 4.9062 | -1492 | HGII | 55.81 |
| PS85/468-1 | 2014-06-24T15:43 | 79.1065 | 4.5850 | -1905 | HGIII | 91.80 |
| PS85/460-4 | 2014-06-22T18:47 | 79.0652 | 4.1830 | -2403 | HGIV | 90.03 |