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  • 1
    Monograph available for loan
    Monograph available for loan
    Ocean, ice, and atmosphere : interactions at the Antarctic Continental Margin (1998)
    Washington, D.C. : American Geophysical Union
    Associated volumes
    Details Availability
    Call number: AWI A4-98-0347
    In: Antarctic research series, Volume 75
    Description / Table of Contents: The Southern Ocean strongly interacts with the atmosphere and with glacial ice, sea ice and the sea floor over the immense and productive Antarctic continental shelf and slope. Water masses transformed and ventilated there subsequently influence the properties and circulation of the deep global ocean. In this latest oceanology volume of the Antarctic Research Series, polar scientists describe and model air-sea and ice-ocean interactions, the formation and chemistry of deep and bottom waters, regional circulations, tidal heights and currents, ocean bathymetry, interannual variability and the Antarctic Slope Front. With international authorship and interdisciplinary scope, this compilation and the related volumes Antarctic Sea Ice physical processes and Antarctic Sea Ice biological processes also cover the impacts of ice crystals and icebergs, sea ice biology and geophysics, and the important roles of sea ice in atmospheric and oceanographic processes.
    Type of Medium: Monograph available for loan
    Pages: XI, 380 Seiten , Illustrationen
    ISBN: 0875909108
    Series Statement: Antarctic research series 75
    URL: http://bvbr.bib-bvb.de:8991/exlibris/aleph/a22_1/apache_media/A9F7GNMGT1HD2J8XJHUTBC4KA5GHX7.pdf
    Language: English
    Note: Contents: Preface. - Water masses and mixing near the Antarctic slope front. - Observations and modelling of Antarctic downslope flows : a review. - On the interaction of the Katabatic-Land-Sea Wind system of Antarctica with the high latitude Southern Ocean. - Thermohaline variability of the waters overlying the West Antarctica Peninsula Continental Shelf. - Oceanic erosion of a floating Antarctic Glacier in the Amundsen Sea. - Winter atmospheric forcing of the Ross Sea Polynya. - Interannual ocean and sea ice variability in the Ross Sea. - On the Origin and influence of Adélie Land bottom water. - Ocean-Ice shelf interaction and possible bottom water formation in Prydz Bay, Antarctica. - Acoustical techniques in Antarctic Oceanography. - Transport and water masses of the Antarctic slope front system in the Eastern Weddell Sea. - Western Weddell Sea thermohaline stratification. - Transient tracer observations from the western Weddell Sea during the drift and recovery of ice station Weddell. - Interactions between floating ice platelets and ocean water in the Southern Weddell Sea. - Impact of grounded icegergs on the hydrographic conditions near the Filchner Ice shelf. - Physical controls on ocean circulation beneath ice shelves revealed by numerical models. - Ocean circulation beneath the Western Ronne Ice Shelf, as derived from in situ measurements of water currents and properties. - Marine ice beneath Filchner Ice Shelf : evidence from a multi-disciplinary approach. - Tides in the Weddell Sea. - The new bathymetric charts of the Weddell Sea : AWI BCWS
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 2
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    Physical oceanography during POLARSTERN cruise ANT-XXIII/4 (2010)
    PANGAEA
    In:  Lamont-Doherty Earth Observatory of Columbia University, New York
    Details
    Publication Date: 2023-03-17
    Keywords: Amundsen Sea; ANT-XXIII/4; AWI_PhyOce; Bellingshausen Sea; Calculated; Computed; Conductivity; CTD, Sea-Bird, SBE 911plus [SN: 0485]; 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; PS69; PS69/239-1; PS69/240-1; PS69/241-1; PS69/242-1; PS69/243-1; PS69/243-2; PS69/249-1; PS69/252-1; PS69/257-1; PS69/258-1; PS69/265-1; PS69/268-1; PS69/269-3; PS69/272-1; PS69/272-1a; PS69/273-1; PS69/276-2; PS69/278-2; PS69/279-2; PS69/283-1; PS69/285-1; PS69/286-1; PS69/289-1; PS69/290-2; PS69/292-1; PS69/294-1; PS69/302-2; PS69/303-1; PS69/305-1; PS69/313-1; PS69/326-1; PS69/331-1; PS69/334-1; Salinity; Scotia Sea, southwest Atlantic; South Pacific Ocean; Temperature, water; Temperature, water, potential
    Type: Dataset
    Format: text/tab-separated-values, 192766 data points
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  • 3
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    Physical oceanography on board of POLARSTERN (1983-11-22 to 2016-02-14) (2016)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven | Supplement to: Driemel, Amelie; Fahrbach, Eberhard; Rohardt, Gerd; Beszczynska-Möller, Agnieszka; Boetius, Antje; Budéus, Gereon; Cisewski, Boris; Engbrodt, Ralph; Gauger, Steffen; Geibert, Walter; Geprägs, Patrizia; Gerdes, Dieter; Gersonde, Rainer; Gordon, Arnold L; Grobe, Hannes; Hellmer, Hartmut H; Isla, Enrique; Jacobs, Stanley S; Janout, Markus A; Jokat, Wilfried; Klages, Michael; Kuhn, Gerhard; Meincke, Jens; Ober, Sven; Østerhus, Svein; Peterson, Ray G; Rabe, Benjamin; Rudels, Bert; Schauer, Ursula; Schumacher, Stefanie; Schröder, Michael; Sieger, Rainer; Sildam, Jüri; Soltwedel, Thomas; Stangeew, Elena; Stein, Manfred; Strass, Volker H; Thiede, Jörn; Tippenhauer, Sandra; Veth, Cornelis; von Appen, Wilken-Jon; Weirig, Marie-France; Wisotzki, Andreas; Wolf-Gladrow, Dieter A; Kanzow, Torsten (2017): From pole to pole: 33 years of physical oceanography onboard R/V Polarstern. Earth System Science Data, 9(1), 211-220, https://doi.org/10.5194/essd-9-211-2017
    Details
    Publication Date: 2023-10-18
    Description: Measuring temperature and salinity profiles in the world's oceans is crucial to understanding ocean dynamics and its influence on the heat budget, the water cycle, the marine environment and on our climate. Since 1983 the German research vessel and icebreaker Polarstern has been the platform of numerous CTD (conductivity, temperature, depth instrument) deployments in the Arctic and the Antarctic. We report on a unique data collection spanning 33 years of polar CTD data. In total 131 data sets (1 data set per cruise leg) containing data from 10 063 CTD casts are now freely available. During this long period five CTD types with different characteristics and accuracies have been used. Therefore the instruments and processing procedures (sensor calibration, data validation, etc.) are described in detail. This compilation is special not only with regard to the quantity but also the quality of the data - the latter indicated for each data set using defined quality codes. The complete data collection includes a number of repeated sections for which the quality code can be used to investigate and evaluate long-term changes. Beginning with 2010, the salinity measurements presented here are of the highest quality possible in this field owing to the introduction of the OPTIMARE Precision Salinometer.
    Keywords: Author(s); AWI_PhyOce; Campaign; Date/time end; Date/time start; Method comment; Number of observations; Ocean and sea region; Persistent Identifier; Physical Oceanography @ AWI; Principal investigator; Quality code; Uniform resource locator/link to image; Uniform resource locator/link to reference
    Type: Dataset
    Format: text/tab-separated-values, 1695 data points
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  • 4
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    (Table A2) Bottom layer properties during Nathanial B. Palmer cruise NBP04-08 to the southern Ocean, October 2004 (2010)
    PANGAEA
    Details
    Publication Date: 2023-12-12
    Keywords: ANSLOPE; CTD/Rosette; CTD-RO; Date/Time of event; Elevation of event; Event label; Latitude of event; Layer thickness; Longitude of event; Nathaniel B. Palmer; NBP0408; NBP0408_11; NBP0408_12; NBP0408_15; NBP0408_18; NBP0408_19; NBP0408_20; NBP0408_21; NBP0408_22; NBP0408_23; NBP0408_28; NBP0408_3; NBP0408_30; NBP0408_34; NBP0408_4; NBP0408_41; NBP0408_42; NBP0408_43; NBP0408_44; NBP0408_45; NBP0408_46; NBP0408_47; NBP0408_5; NBP0408_73; NBP0408_74; NBP0408_75; NBP0408_76; NBP0408_77; NBP0408_78; Neutral density; Oxygen; Pressure, water; Salinity; Southern Ocean; Station label; Temperature, water, potential
    Type: Dataset
    Format: text/tab-separated-values, 308 data points
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  • 5
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    (Table A1) Bottom layer properties during Nathanial B. Palmer cruise NBP00-08 to the southern Ocean, December 2000/January 2001 (2010)
    PANGAEA
    Details
    Publication Date: 2023-12-12
    Keywords: Layer thickness; Longitude 2; MULT; Multiple investigations; Nathaniel B. Palmer; NBP0008; NBP0008_stations; Neutral density; Oxygen; Pressure, water; Salinity; Sample elevation; Southern Ocean; Station label; Temperature, water, potential
    Type: Dataset
    Format: text/tab-separated-values, 403 data points
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  • 6
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    Bottom water properties observed during Nathanial B. Palmer cruises NBP00-08 and NBP04-08 to the Southern Ocean (2010)
    PANGAEA
    In:  Supplement to: Williams, G D; Aoki, S; Jacobs, Stanley S; Rintoul, Stephen R; Tamura, T; Bindoff, Nathan L (2010): Antarctic Bottom Water from the Adélie and George V Land coast, East Antarctica (140-149°E). Journal of Geophysical Research, 115(C4), C04027, https://doi.org/10.1029/2009JC005812
    Details
    Publication Date: 2023-12-13
    Description: We report on observations of dense shelf water overflows and Antarctic Bottom Water (AABW) formation along the continental margin of the Adelie and George V Land coast between 140°E and 149°E. Vertical sections and bottom layer water mass properties sampled during two RVIB Nathaniel B Palmer hydrographic surveys (NBP00-08, December 2000/January 2001 and NBP04-08, October 2004) describe the spreading of cold, dense shelf water on the continental slope and rise from two independent source regions. The primary source region is the Adelie Depression, exporting high-salinity dense shelf water through the Adelie Sill at 143°E. An additional eastern source region of lower-salinity dense shelf water from the Mertz Depression is identified for the first time from bottom layer properties northwest of the Mertz Sill and Mertz Bank (146°E-148°E) that extend as far as the Buffon Channel (144.75°E) in summer. Regional analysis of satellite-derived ice production estimates over the entire region from 1992 to 2005 suggests that up to 40% of the total ice production for the region occurs over the Mertz Depression and therefore this area is likely to make a significant contribution to the total dense shelf water export. Concurrent time series from bottom-mounted Microcats and ADCP instruments from the Mertz Polynya Experiment (April 1998 to May 1999) near the Adelie Sill and on the upper continental slope (1150 m) and lower continental rise (3250 m) to the north describe the seasonal variability in downslope events and their interaction with the ambient water masses. The critical density for shelf water to produce AABW is examined and found to be 27.85 kg/m**3 from the Adelie Depression and as low as 27.80 kg/m**3 from the Mertz Depression. This study suggests previous dense shelf water export estimates based on the flow through the Adelie Sill alone are conservative and that other regions around East Antarctica with similar ice production to the Mertz Depression could be contributing to the total AABW in the Australian-Antarctic Basin.
    Keywords: International Polar Year (2007-2008); IPY
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 7
    Electronic Resource
    Electronic Resource
    Technical characteristics and some correlates of the california critical thinking skills test, forms A and B (1995)
    Springer
    Research in higher education 36 (1995), S. 89-108 
    Details
    ISSN: 1573-188X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Nature of Science, Research, Systems of Higher Education, Museum Science
    Notes: Abstract Forms A and B of the California Critical Thinking Skills Test (CCTST) were administered to two randomly formed groups of undergraduate students at a large eastern university, as part of the freshman orientation process. Arithmetic means for the forms were significantly different, indicating a lack of equivalence between forms. Principal component analyses and specific patterns of item intercorrelations differed between forms, with the lack of equivalence apparently due to the changes in Form A items, which were carried out in order to create Form B items. Internal consistency reliabilities for total and subtest scores were uniformly low, and it appears the CCTST scores largely reflect verbal intelligence of the type measured by the SAT. It was concluded that the CCTST may be acceptable for research purposes (e.g., as a blocking variable or covariate), but not for decision making concerning individual students, especially with respect to subtest scores and score differences.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02207768
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  • 8
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    From pole to pole: 33 years of physical oceanography onboard R/V Polarstern (2017)
    Earth System Science Data
    In:  EPIC3Earth System Science Data, Earth System Science Data, 9(1), pp. 211-220, ISSN: 1866-3508
    Details
    Publication Date: 2018-08-10
    Description: Measuring temperature and salinity profiles in the world's oceans is crucial to understanding ocean dynamics and its influence on the heat budget, the water cycle, the marine environment and on our climate. Since 1983 the German research vessel and icebreaker Polarstern has been the platform of numerous CTD (conductivity, temperature, depth instrument) deployments in the Arctic and the Antarctic. We report on a unique data collection spanning 33 years of polar CTD data. In total 131 data sets (1 data set per cruise leg) containing data from 10 063 CTD casts are now freely available at doi:10.1594/PANGAEA.860066. During this long period five CTD types with different characteristics and accuracies have been used. Therefore the instruments and processing procedures (sensor calibration, data validation, etc.) are described in detail. This compilation is special not only with regard to the quantity but also the quality of the data – the latter indicated for each data set using defined quality codes. The complete data collection includes a number of repeated sections for which the quality code can be used to investigate and evaluate long-term changes. Beginning with 2010, the salinity measurements presented here are of the highest quality possible in this field owing to the introduction of the OPTIMARE Precision Salinometer.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 9
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    The Amundsen Sea and the Antarctic Ice Sheet (2012)
    In:  EPIC3Oceanography
    Details
    Publication Date: 2019-07-16
    Description: A few decades ago, Antarctic ice sheets were expected to grow as the atmosphere warmed and increasing poleward moisture transport added snowfall to regions that would remain below freezing year-round. Concerns about their sensitivity to climate change were centered on air temperature and on glacially paced ice dynamics. Southern Ocean roles were relegated to iceberg transport, a mix of melting and freezing under ice shelves buffered by the frigid shelf waters generated by sea ice production, and slow sea level rise by other forcing. At that time, observations were lacking in the remote Amundsen Sea, where difficult ice conditions have vexed explorers for more than 200 years. Mapping of its ocean structure and circulation began in 1994, revealing that “warm” Circumpolar Deep Water has access to its continental shelf. Glacially scoured troughs in the seafloor provide conduits for that seawater to melt regional ice shelves far more rapidly near their deep grounding lines. Coincident satellite data showed the ice shelves were thinning, in turn leading to accelerated glacier flow and loss of grounded ice to the sea. Repeated measurements and modeling suggest ocean changes that could impact the stability of the marine-based West Antarctic Ice Sheet.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
    Format: application/pdf
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  • 10
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    Paleo ice flow and subglacial meltwater dynamics in Pine Island Bay, West Antarctica (2013)
    Copernicus Publications
    In:  EPIC3The Cryosphere, Copernicus Publications, 7, pp. 249-262
    Details
    Publication Date: 2018-08-10
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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