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  • 1
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    Physical oceanography from 30 helicopter-borne CTDs during POLARSTERN cruise ANT-XXII/2 (ISPOL) (2008)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: ANT-XXII/2; ANT-XXII/2_003-1; ANT-XXII/2_004-1; ANT-XXII/2_005-1; ANT-XXII/2_006-1; ANT-XXII/2_007-1; ANT-XXII/2_007-22; ANT-XXII/2_008-1; ANT-XXII/2_008-22; ANT-XXII/2_009-1; ANT-XXII/2_009-22; ANT-XXII/2_010-1; ANT-XXII/2_011-1; ANT-XXII/2_012-1; ANT-XXII/2_013-1; ANT-XXII/2_014-1; ANT-XXII/2_015-1; ANT-XXII/2_016-1; ANT-XXII/2_017-1; ANT-XXII/2_018-1; ANT-XXII/2_019-1; ANT-XXII/2_020-1; ANT-XXII/2_021-1; ANT-XXII/2_022-1; ANT-XXII/2_066-22; ANT-XXII/2_139-22; ANT-XXII/2_140-22; ANT-XXII/2_142-22; ANT-XXII/2_143-22; ANT-XXII/2_144-22; ANT-XXII/2_146-22; AWI_PhyOce; Calculated; Conductivity; CTD, SEA-BIRD SBE 19, SN 2715, modified for continuous data acquisition; CTD from ice float; CTDIF; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Latitude of event; Longitude of event; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS67 ISPOL; Salinity; Temperature, water; Temperature, water, potential; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 167622 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Physical oceanography from 120 CTDs, 79 water bottles stations, and 30 helicopter-borne CTDs during POLARSTERN cruise ANT-XXII/2 (ISPOL)
    PANGAEA
    In:  Supplement to: Absy, Joao Marcelo; Schröder, Michael; Muench, Robin D; Hellmer, Hartmut H (2008): Early summer thermohaline characteristics and mixing in the western Weddell Sea. Deep Sea Research Part II: Topical Studies in Oceanography, 55(8-9), 1117-1131, https://doi.org/10.1016/j.dsr2.2007.12.023
    Details
    Publication Date: 2023-05-12
    Description: The Ice Station POLarstern (ISPOL) cruise revisited the western Weddell Sea in late 2004 and obtained a comprehensive set of conductivity-temperature-depth (CTD) data. This study describes the thermohaline structure and diapycnal mixing environment observed in 2004 and compares them with conditions observed more than a decade earlier. Hydrographic conditions on the central western Weddell Sea continental slope, off Larsen C Ice Shelf, in late winter/early spring of 2004/2005 can be described as a well-stratified environment with upper layers evidencing relict structures from intense winter near-surface vertical fluxes, an intermediate depth temperature maximum, and a cold near-bottom layer marked by patchy property distributions. A well-developed surface mixed layer, isolated from the underlying Warm Deep Water (WDW) by a pronounced pycnocline and characterized by lack of warming and by minimal sea-ice basal melting, supports the assumption that upper ocean winter conditions persisted during most of the ISPOL experiment. Much of the western Weddell Sea water column has remained essentially unchanged since 1992; however, significant differences were observed in two of the regional water masses. The first, Modified Weddell Deep Water (MWDW), comprises the permanent pycnocline and was less saline than a decade earlier, whereas Weddell Sea Bottom Water (WSBW) was horizontally patchier and colder. Near-bottom temperatures observed in 2004 were the coldest on record for the western Weddell Sea over the continental slope. Minimum temperatures were ~0.4 and ~0.3 °C colder than during 1992-1993, respectively. The 2004 near-bottom temperature/salinity characteristics revealed the presence of two different WSBW types, whereby a warm, fresh layer overlays a colder, saltier layer (both formed in the western Weddell Sea). The deeper layer may have formed locally as high salinity shelf water (HSSW) that flowed intermittently down the continental slope, which is consistent with the observed horizontal patchiness. The latter can be associated with the near-bottom variability found in Powell Basin with consequences for the deep water outflow from the Weddell Sea.
    Keywords: ANT-XXII/2; ANT-XXII/2_003-1; ANT-XXII/2_004-1; ANT-XXII/2_005-1; ANT-XXII/2_006-1; ANT-XXII/2_007-1; ANT-XXII/2_007-22; ANT-XXII/2_008-1; ANT-XXII/2_008-22; ANT-XXII/2_009-1; ANT-XXII/2_009-22; ANT-XXII/2_010-1; ANT-XXII/2_011-1; ANT-XXII/2_012-1; ANT-XXII/2_013-1; ANT-XXII/2_014-1; ANT-XXII/2_015-1; ANT-XXII/2_016-1; ANT-XXII/2_017-1; ANT-XXII/2_018-1; ANT-XXII/2_019-1; ANT-XXII/2_020-1; ANT-XXII/2_021-1; ANT-XXII/2_022-1; ANT-XXII/2_066-22; ANT-XXII/2_139-22; ANT-XXII/2_140-22; ANT-XXII/2_142-22; ANT-XXII/2_143-22; ANT-XXII/2_144-22; ANT-XXII/2_146-22; AWI_PhyOce; CTD/Rosette; CTD from ice float; CTDIF; CTD-RO; Physical Oceanography @ AWI; Polarstern; PS67/005-1; PS67/006-10; PS67/006-100; PS67/006-101; PS67/006-102; PS67/006-103; PS67/006-104; PS67/006-105; PS67/006-108; PS67/006-109; PS67/006-11; PS67/006-110; PS67/006-111; PS67/006-113; PS67/006-115; PS67/006-116; PS67/006-118; PS67/006-12; PS67/006-120; PS67/006-121; PS67/006-122; PS67/006-123; PS67/006-126; PS67/006-127; PS67/006-128; PS67/006-13; PS67/006-130; PS67/006-131; PS67/006-132; PS67/006-133; PS67/006-134; PS67/006-135; PS67/006-136; PS67/006-137; PS67/006-139; PS67/006-14; PS67/006-140; PS67/006-142; PS67/006-143; PS67/006-144; PS67/006-146; PS67/006-15; PS67/006-18; PS67/006-19; PS67/006-2; PS67/006-20; PS67/006-21; PS67/006-22; PS67/006-23; PS67/006-25; PS67/006-26; PS67/006-27; PS67/006-29; PS67/006-3; PS67/006-30; PS67/006-32; PS67/006-33; PS67/006-34; PS67/006-35; PS67/006-38; PS67/006-39; PS67/006-4; PS67/006-40; PS67/006-41; PS67/006-43; PS67/006-44; PS67/006-45; PS67/006-47; PS67/006-48; PS67/006-49; PS67/006-5; PS67/006-50; PS67/006-51; PS67/006-53; PS67/006-54; PS67/006-55; PS67/006-56; PS67/006-57; PS67/006-59; PS67/006-6; PS67/006-61; PS67/006-62; PS67/006-63; PS67/006-65; PS67/006-66; PS67/006-67; PS67/006-68; PS67/006-7; PS67/006-70; PS67/006-71; PS67/006-72; PS67/006-73; PS67/006-74; PS67/006-75; PS67/006-76; PS67/006-78; PS67/006-79; PS67/006-80; PS67/006-81; PS67/006-82; PS67/006-84; PS67/006-85; PS67/006-86; PS67/006-87; PS67/006-89; PS67/006-9; PS67/006-90; PS67/006-91; PS67/006-92; PS67/006-94; PS67/006-95; PS67/006-96; PS67/006-98; PS67/006-99; PS67/007-1; PS67/008-1; PS67/009-1; PS67/011-1; PS67/011-2; PS67/011-3; PS67 ISPOL; Scotia Sea, southwest Atlantic; Weddell Sea
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Physical oceanography from 120 CTD stations during POLARSTERN cruise ANT-XXII/2 (ISPOL)
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Keywords: ANT-XXII/2; Attenuation, optical beam transmission; AWI_PhyOce; Calculated; Conductivity; CTD, Sea-Bird, SBE 911plus [SN: 0561]; CTD/Rosette; CTD-RO; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Fluorometer; Fluorometer, Dr. Haardt Instruments; Latitude of event; Longitude of event; Number of observations; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS67/005-1; PS67/006-10; PS67/006-100; PS67/006-101; PS67/006-102; PS67/006-103; PS67/006-104; PS67/006-105; PS67/006-108; PS67/006-109; PS67/006-11; PS67/006-110; PS67/006-111; PS67/006-113; PS67/006-115; PS67/006-116; PS67/006-118; PS67/006-12; PS67/006-120; PS67/006-121; PS67/006-122; PS67/006-123; PS67/006-126; PS67/006-127; PS67/006-128; PS67/006-13; PS67/006-130; PS67/006-131; PS67/006-132; PS67/006-133; PS67/006-134; PS67/006-135; PS67/006-136; PS67/006-137; PS67/006-139; PS67/006-14; PS67/006-140; PS67/006-142; PS67/006-143; PS67/006-144; PS67/006-146; PS67/006-15; PS67/006-18; PS67/006-19; PS67/006-2; PS67/006-20; PS67/006-21; PS67/006-22; PS67/006-23; PS67/006-25; PS67/006-26; PS67/006-27; PS67/006-29; PS67/006-3; PS67/006-30; PS67/006-32; PS67/006-33; PS67/006-34; PS67/006-35; PS67/006-38; PS67/006-39; PS67/006-4; PS67/006-40; PS67/006-41; PS67/006-43; PS67/006-44; PS67/006-45; PS67/006-47; PS67/006-48; PS67/006-49; PS67/006-5; PS67/006-50; PS67/006-51; PS67/006-53; PS67/006-54; PS67/006-55; PS67/006-56; PS67/006-57; PS67/006-59; PS67/006-6; PS67/006-61; PS67/006-62; PS67/006-63; PS67/006-65; PS67/006-66; PS67/006-67; PS67/006-68; PS67/006-7; PS67/006-70; PS67/006-71; PS67/006-72; PS67/006-73; PS67/006-74; PS67/006-75; PS67/006-76; PS67/006-78; PS67/006-79; PS67/006-80; PS67/006-81; PS67/006-82; PS67/006-84; PS67/006-85; PS67/006-86; PS67/006-87; PS67/006-89; PS67/006-9; PS67/006-90; PS67/006-91; PS67/006-92; PS67/006-94; PS67/006-95; PS67/006-96; PS67/006-98; PS67/006-99; PS67/007-1; PS67/008-1; PS67/009-1; PS67/011-1; PS67/011-2; PS67/011-3; PS67 ISPOL; Salinity; Scotia Sea, southwest Atlantic; Temperature, water; Temperature, water, potential; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 1565623 data points
    Location Call Number Limitation Availability
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  • 4
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    Physical oceanography measured on water bottle samples during POLARSTERN cruise ANT-XXII/2 (ISPOL) (2008)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-02-27
    Keywords: ANT-XXII/2; AWI_PhyOce; Bottle number; Calculated; Calculated from pressure, temperature, and conductivity; Conductivity; CTD, Sea-Bird SBE 911plus; CTD/Rosette; CTD-RO; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Latitude of event; Longitude of event; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS67/005-1; PS67/006-100; PS67/006-102; PS67/006-103; PS67/006-108; PS67/006-109; PS67/006-11; PS67/006-110; PS67/006-111; PS67/006-113; PS67/006-115; PS67/006-118; PS67/006-12; PS67/006-120; PS67/006-123; PS67/006-126; PS67/006-128; PS67/006-13; PS67/006-130; PS67/006-131; PS67/006-134; PS67/006-135; PS67/006-139; PS67/006-140; PS67/006-142; PS67/006-144; PS67/006-146; PS67/006-15; PS67/006-18; PS67/006-19; PS67/006-2; PS67/006-21; PS67/006-22; PS67/006-23; PS67/006-25; PS67/006-27; PS67/006-30; PS67/006-32; PS67/006-35; PS67/006-38; PS67/006-4; PS67/006-40; PS67/006-41; PS67/006-43; PS67/006-45; PS67/006-47; PS67/006-48; PS67/006-51; PS67/006-53; PS67/006-57; PS67/006-59; PS67/006-61; PS67/006-63; PS67/006-65; PS67/006-66; PS67/006-68; PS67/006-7; PS67/006-70; PS67/006-73; PS67/006-74; PS67/006-76; PS67/006-78; PS67/006-79; PS67/006-82; PS67/006-84; PS67/006-87; PS67/006-89; PS67/006-9; PS67/006-92; PS67/006-94; PS67/006-96; PS67/006-98; PS67/006-99; PS67/007-1; PS67/008-1; PS67/009-1; PS67/011-1; PS67/011-2; PS67/011-3; PS67 ISPOL; Salinity; Scotia Sea, southwest Atlantic; Temperature, water; Temperature, water, potential; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 10094 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    On the near-bottom variability in the northwestern Weddell Sea (2002)
    In:  EPIC3Deep-Sea Research II, Vol. 49, 21, pp., pp. 4767-4790
    Details
    Publication Date: 2019-07-16
    Description: The thermohaline data of the first Brazilian hydrographiccruise to the northwestern Weddell Sea (AR XVIII) isdescribed. Favourable ice conditions allowed a dense stationcoverage of the area including the main pathways for WeddellSea deep and bottom waters. The results are compared withthe 1998-data of the German cruise ANT XV/4 and otherhistorical data. An interannual near-bottom variability wasdiscovered and related rather to fluctuations in theformation rate of cold bottom water in the western WeddellSea than to a long-term trend. The calculated fluctuationbased on the comparison agrees well with the formationvariance determined from mooring observations off the tipof the Antarctic Peninsula. The observed variability hasconsequences for the water mass export across the SouthScotia Ridge, as the absence of the colder/fresher/lighterWeddell Sea Bottom Water south of South Orkney Plateauduring AR XVIII might be related to a reduceed ventilationof the deep Scotia Sea. The results of this study supportongoing efforts to establish a long-term monitoring of thisregion with global importance.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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  • 6
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    Western Weddell Sea deep water variability (2007)
    In:  EPIC3EGU General Assembly (OS8), Vienna, Austria.
    Details
    Publication Date: 2019-07-16
    Description: The northwestern Weddell Sea works as a catchment basin for all newly formed Weddell water masses before portions escape to the world ocean. This region, therefore, contains all the information on changes which occur to the Weddell Sea environment influencing water mass formation. Intensive hydrographic field work initiated by the international DOVETAIL project revealed that the northwestern Weddell Sea is subject to changes on time scales still to be determined. Recent observations as part of the ISPOL experiment showed that the observed variability is caused (as previously hypothesized) by intermittent formation of water masses which contribute to different types of Weddell Sea Bottom Water located high enough in the water column to cross the South Scotia Ridge. We have evidence that the western Weddell continental shelf produces at various sites a shelf water type beyond Gills salt threshold (34.515) for the formation of deep and bottom waters which contribute significantly to the renewal of Antarctic Bottom Water. Ice shelf decay along the Antarctic Peninsula exposes larger continental shelf areas which accumulate saltier shelf water enhancing deep water formation. This might cause an increased on-shelf transport of warmer open ocean waters with the feedback of enhanced ice shelf melting and a fresher, more stable shelf water column but, in case of ice shelf decay, additional continental shelf exposure to the atmosphere and increased brine release due to sea ice formation.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 7
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    Western Weddell Sea thermohaline structure during ISPOL (2006)
    In:  EPIC3The 1st ISPOL Workshop, 9-12 March, Tvärminnen Zoological Station, Hanko, Finland.
    Details
    Publication Date: 2019-07-16
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 8
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    Sea surface temperature variability off southern Brazil and Uruguay as revealed from historical data since 1854 (1999)
    In:  EPIC3Journal of geophysical research,104 (C9),21, 021, 32 p.
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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  • 9
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    Early summer thermohaline characterisitcs and mixing in the western Weddell Sea (2008)
    In:  EPIC3Deep Sea Research II, 55(8), pp. 1117-1131
    Details
    Publication Date: 2019-07-16
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 10
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    The Flow of Dense Water Plumes in the Western Weddell Sea Simulated with the Finite Element Ocean Model (FEOM) (2015)
    Springer International Publishing
    In:  EPIC3Towards an Interdisciplinary Approach in Earth System Science, (Springer Earth System Sciences), Heidelberg [u.a.], Springer International Publishing, 251 p., pp. 125-129, ISBN: 978-3-319-13864-0, ISSN: 2197-9596
    Details
    Publication Date: 2023-06-21
    Description: Ocean simulations performed with the Finite Element Ocean Model (FEOM) were used to show the relevance of the location of the dense water plume source on the western Weddell Sea continental shelf. When the plume starts close to the tip of the Antarctic Peninsula it flows into Bransfield Strait, but if it is found further south it can flow down the slope and contribute to Weddell Sea Deep Water (WSDW). The influence of density on the spreading was also tested indicating that a denser plume reaches greater depths while lighter plumes do not interact with the WSDW.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Inbook , peerRev
    Format: application/pdf
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