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Bauch, Dorothea; Dmitrenko, Igor; Wegner, Carolyn; Hölemann, Jens A; Kirillov, Sergey A; Timokhov, Leonid; Kassens, Heidemarie (2009): Physical oceanography and hydrochemistry from the Laptev Sea, Arctic Ocean. PANGAEA, https://doi.org/10.1594/PANGAEA.761766, Supplement to: Bauch, D et al. (2009): Exchange of Laptev Sea and Arctic Ocean halocline waters in response to atmospheric forcing. Journal of Geophysical Research: Oceans, 114, C05008, https://doi.org/10.1029/2008JC005062

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Abstract:
Combined d18O/salinity data reveal a distinctive water mass generated during winter sea ice formation which is found predominantly in the coastal polynya region of the southern Laptev Sea. Export of the brine-enriched bottom water shows interannual variability in correlation with atmospheric conditions. Summer anticyclonic circulation is favoring an offshore transport of river water at the surface as well as a pronounced signal of brine-enriched waters at about 50 m water depth at the shelf break. Summer cyclonic atmospheric circulation favors onshore or an eastward, alongshore water transport, and at the shelf break the river water fraction is reduced and the pronounced brine signal is missing, while on the middle Laptev Sea shelf, brine-enriched waters are found in high proportions. Residence times of bottom and subsurface waters on the shelf may thereby vary considerably: an export of shelf waters to the Arctic Ocean halocline might be shut down or strongly reduced during "onshore" cyclonic atmospheric circulation, while with "offshore" anticyclonic atmospheric circulation, brine waters are exported and residence times may be as short as 1 year only.
Project(s):
Coverage:
Median Latitude: 74.606260 * Median Longitude: 125.260245 * South-bound Latitude: 71.086300 * West-bound Longitude: 30.013830 * North-bound Latitude: 80.149100 * East-bound Longitude: 140.667000
Date/Time Start: 1993-08-09T00:00:00 * Date/Time End: 2003-09-03T00:00:00
Event(s):
IK03-01-A * Latitude: 74.550500 * Longitude: 130.169800 * Date/Time: 2003-08-29T12:30:00 * Elevation: -33.0 m * Location: Laptev Sea * Campaign: Transdrift-IX * Basis: Yakov Smirnitskiy * Device: CTD/Rosette (CTD-RO)
IK03-02-A * Latitude: 74.117200 * Longitude: 126.423300 * Date/Time: 2003-08-30T12:30:00 * Elevation: -25.0 m * Location: Laptev Sea * Campaign: Transdrift-IX * Basis: Yakov Smirnitskiy * Device: CTD/Rosette (CTD-RO)
IK03-03-A * Latitude: 74.115200 * Longitude: 126.450700 * Date/Time: 2003-08-31T08:00:00 * Elevation: -25.0 m * Location: Laptev Sea * Campaign: Transdrift-IX * Basis: Yakov Smirnitskiy * Device: CTD/Rosette (CTD-RO)
Size:
17 datasets

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Datasets listed in this Collection

  1. TRANSDRIFT Community Members (2009): Hydrochemistry measured on water bottle samples during IVAN KIREYEV cruise Transdrift-I to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761740
  2. TRANSDRIFT Community Members (2009): Hydrochemistry measured on water bottle samples during IVAN KIREYEV cruise Transdrift-IX to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761762
  3. TRANSDRIFT Community Members (2009): Hydrochemistry measured on water bottle samples during KAPITAN DRANITSYN cruise Transdrift-III to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761749
  4. TRANSDRIFT Community Members (2009): Hydrochemistry measured on water bottle samples during POLARSTERN cruise ARK-XIV/1b (Transdrift-V) to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761724
  5. TRANSDRIFT Community Members (2009): Hydrochemistry measured on water bottle samples during PROFESSOR MULTANOVSIY cruise Transdrift-II to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761744
  6. TRANSDRIFT Community Members (2009): Hydrochemistry measured on water bottle samples during YAKOV SMIRNITSKIY cruise Transdrift-VII to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761755
  7. TRANSDRIFT Community Members (2009): Hydrochemistry measured on water bottle samples during YAKOV SMIRNITSKIY cruise Transdrift-VIII to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761758
  8. TRANSDRIFT Community Members (2009): Hydrochemistry measured on water bottle samples during cruise Transdrift-VI to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761753
  9. TRANSDRIFT Community Members (2009): Hydrochemistry measured on water bottle samples near the Lena Nordenskøld station in the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761751
  10. TRANSDRIFT Community Members (2009): Physical oceanography during IVAN KIREYEV cruise Transdrift-I to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761742
  11. TRANSDRIFT Community Members (2009): Physical oceanography during IVAN KIREYEV cruise Transdrift-IX to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761763
  12. TRANSDRIFT Community Members (2009): Physical oceanography during KAPITAN DRANITSYN cruise Transdrift-III to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761750
  13. TRANSDRIFT Community Members (2009): Physical oceanography during PROFESSOR MULTANOVSIY cruise Transdrift-II to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761745
  14. TRANSDRIFT Community Members (2009): Physical oceanography during Transdrift-VI to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761754
  15. TRANSDRIFT Community Members (2009): Physical oceanography during YAKOV SMIRNITSKIY cruise Transdrift-VII to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761756
  16. TRANSDRIFT Community Members (2009): Physical oceanography during YAKOV SMIRNITSKIY cruise Transdrift-VIII to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761760
  17. TRANSDRIFT Community Members (2009): Physical oceanography near the Lena Nordenskøld station in the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761752