Citation:

2008JC005062

Name: Physical oceanography and hydrochemistry from the Laptev Sea, Arctic Ocean
Published: 2009
License: https://creativecommons.org/licenses/by/3.0/

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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):

Laptev Sea System (LSS)

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: * Basis: Ivan Kireyev * Method/Device: (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: * Basis: Ivan Kireyev * Method/Device: (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: * Basis: Ivan Kireyev * Method/Device: (CTD-RO)

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

17 datasets

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Datasets listed in this publication series

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
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
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
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
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
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
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
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
TRANSDRIFT Community Members (2009): Physical oceanography near the Lena Nordenskøld station in the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761752
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
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
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
TRANSDRIFT Community Members (2009): Physical oceanography during Transdrift-VI to the Laptev Sea, Arctic Ocean. https://doi.org/10.1594/PANGAEA.761754
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
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
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
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