Nedashkovskii, A P; Khvedynich, S V; Petrovskii, T V (2008): Concentration of nutrients and primary production in sea ice of the high-latitudinal Arctic [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.727232, Supplement to: Nedashkovskii, AP et al. (2008): Phosphates and silicates in sea ice of the high-latitudinal Arctic: Data of the North Pole-34 drifting ice station. Oceanology, 48(5), 646-655, https://doi.org/10.1134/S0001437008050044
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Abstract:
Dynamics of phosphates and silicates in sea ice of the high-latitudinal Arctic are considered for period from November 2005 to May 2006. It is shown that, during ice formation, silicates are included into it in the same ratio to salinity that is characteristic of under-ice water. Further dynamics of silicates are determined by their bioassimilation with beginning of the polar day and by biogenic silicon accumulation at bottom meltwater pools with subsequent leaching. Phosphates are included into ice in a ratio higher than that occurring in the under-ice water. This is caused by the fact that liquid phase of sea ice represents composition of the surface microlayer at the ice-water interface, which is enriched in organic matter and in products of its destruction (particularly in phosphates). With onset of the polar day, content of phosphates first markedly increases (due to photo oxidation of biogenic organic matter) and then decreases because of bioassimilation. At the beginning of the polar day, primary production of diatoms was estimated to be ~0.3 mg C/m**2/day.
Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Median Latitude: 87.821591 * Median Longitude: 42.018412 * South-bound Latitude: 85.842200 * West-bound Longitude: 10.425000 * North-bound Latitude: 88.892200 * East-bound Longitude: 101.086700
Date/Time Start: 2005-11-14T00:00:00 * Date/Time End: 2006-05-19T00:00:00
Event(s):
NP34-1 * Latitude: 85.842200 * Longitude: 80.563100 * Date/Time: 2005-11-14T00:00:00 * Location: Arctic Ocean * Campaign: NP34 * Method/Device: Ice drill (ICEDRILL)
NP34-2 * Latitude: 86.448300 * Longitude: 73.687800 * Date/Time: 2005-12-05T00:00:00 * Location: Arctic Ocean * Campaign: NP34 * Method/Device: Ice drill (ICEDRILL)
NP34-5 * Latitude: 87.952800 * Longitude: 101.086700 * Date/Time: 2006-02-06T00:00:00 * Location: Arctic Ocean * Campaign: NP34 * Method/Device: Ice drill (ICEDRILL)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets
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Datasets listed in this publication series
- Nedashkovskii, AP; Khvedynich, SV; Petrovskii, TV (2008): (Table 1) Characteristics of ice samples collected at the North Pole 34 drift station. https://doi.org/10.1594/PANGAEA.727214
- Nedashkovskii, AP; Khvedynich, SV; Petrovskii, TV (2008): (Table 2) Chemical composition of sea ice samples collected at the North Pole 34 drift station. https://doi.org/10.1594/PANGAEA.727215
- Nedashkovskii, AP; Khvedynich, SV; Petrovskii, TV (2008): (Table 4) Estimates of diatom phytoplankton primary production from silicate decrease in one-year sea ice in May 2006, data of the North Pole 34 drift station. https://doi.org/10.1594/PANGAEA.727213