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  • PANGAEA  (58)
  • PUBLIC LIBRARY SCIENCE
  • 2000-2004  (11)
  • 1995-1999  (47)
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Year
  • 1
    Publication Date: 2024-06-25
    Keywords: ANT-IX/3; AWI_Paleo; DEPTH, sediment/rock; Gravity corer (Kiel type); inductive; Lazarev Sea; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS18; PS18/184; PS2037-3; Resistivity, electrical; SL
    Type: Dataset
    Format: text/tab-separated-values, 155 data points
    Location Call Number Limitation Availability
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  • 2
    facet.materialart.
    Unknown
    PANGAEA
    In:  Supplement to: Walter, Hans-Jürgen; Rutgers van der Loeff, Michiel M; Hoeltzen, H; Bathmann, Ulrich (2000): Reduced scavenging of 230Th in the Weddell Sea: implications for paleoceanographic reconstructions in the South Atlantic. Deep Sea Research Part I: Oceanographic Research Papers, 47(7), 1369-1387, https://doi.org/10.1016/S0967-0637(99)00094-1
    Publication Date: 2024-06-26
    Description: The scavenging of 230Th and 231Pa was investigated in the central Weddell Sea by combining results from a sediment trap and three sediment cores. Scavenging of both radionuclides is closely coupled with the annual cycle of particle fluxes. For 230Th the mean radionuclide flux measured in the trap is only 40% of its expected flux from production in the water column. This value is in excellent agreement with the long-term record in the sediment cores (33-43%). Similar results were obtained for 231Pa, although burial fluxes are generally higher. The data suggest that during the last 130 ka the Weddell Sea has been a net source for both radionuclides, with more than half of the 230Th and about half of the 231Pa being exported. As a consequence, 230Th normalized rain rates (assuming a constant flux equal to the production rate) overestimate the true rain rate in the Weddell Sea by 150%. The laterally transported 230Th and 231Pa activity exits the Weddell Sea to the north, where it is incorporated into the eastward flowing Antarctic Circumpolar Current (ACC). There it is scavenged in addition to local production. During its residence time in the S-Atlantic sector of the ACC about 3/4 of the dissolved 230Th imported from the Weddell Sea is transferred onto particles. Whether this particulate 230Th is entirely deposited in the S-Atlantic or is distributed over a larger area extending into the Indian and Pacific sectors of the ACC remains an open question. In the ACC, Th-normalization therefore leads to an underestimation of fluxes, but the effect is probably less than 50%. Interglacial-glacial shifts in the position of the productive belt are believed to cause temporal and regional variations in the depositon rate for 230Th.
    Keywords: ANT-V/4; ANT-VIII/2; AWI_MarGeoChem; AWI_Paleo; AWI208; Giant box corer; GKG; Gravity corer (Kiel type); Marine Geochemistry @ AWI; Mooring (long time); MOORY; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS10; PS10/818; PS10/820; PS10/824; PS1507-3; PS1508-1; PS1509-2; PS16 06AQANTVIII_2; SL; Weddell Sea
    Type: Dataset
    Format: application/zip, 6 datasets
    Location Call Number Limitation Availability
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  • 3
    facet.materialart.
    Unknown
    PANGAEA
    In:  Supplement to: Smetacek, Victor; de Baar, Hein J W; Bathmann, Ulrich; Lochte, Karin; Rutgers van der Loeff, Michiel M (1997): Ecology and biogeochemistry of the Antarctic circumpolar current during austral spring: Southern Ocean JGOFS Cruise ANT X/6 of R.V. Polarstern. Deep Sea Research Part II: Topical Studies in Oceanography, 44(1-2), 1-21, https://doi.org/10.1016/S0967-0645(96)00100-2
    Publication Date: 2024-06-26
    Description: The R.V. Polarstern cruise ANT X/6, part of the international Southern Ocean JGOFS programme, investigated phytoplankton spring bloom development and its biogeochemical effects in different water masses of the Atlantic sector of the Southern Ocean: the Polar Frontal region (PFr), the southern Antarctic Circumpolar Current zone (sACC), its boundary with the Weddell Gyre (AWB) and the marginal ice zone (MIZ). The relative roles of physical stability, iron limitation and grazing pressure in enhancing or constraining phytoplankton biomass accumulation were examined. Three sections were carried out between the PFr and the ice edge along the 6°W meridian from early October to late November 1992. This paper summarises the major findings of the cruise and discusses their implications for our understanding of Southern Ocean ecology and biogeochemistry. A major finding was the negligible build-up of plankton biomass and concomitant absence of CO2 drawdown associated with seasonal retreat of the ice cover. In striking contrast to this unexpected poverty of both the MIZ and the frontal region of the AWB, distinct phytoplankton blooms, dominated by different diatom species, accumulated in the PFr. Chlorophyll stocks in the sACC remained monotonously low throughout the study. Our findings confirm those of other studies that frontal regions are the major productive sites in the Southern Ocean and that input of meltwater and associated ice algae to the surface layer from a retreating ice edge is by itself an insufficient condition for induction of phytoplankton blooms. The blooms in the PFr developed under conditions of shallow mixing layers, high iron concentrations and relatively low grazing pressure. However, in all three blooms, high biomass extended to deeper than 70 m, which cannot be explained by either in situ growth or sinking out of a part of the population from the upper euphotic zone. Subduction of adjoining, shallower layers to explain depth distribution is invoked. Despite a clear CO2 drawdown in the Polar Frontal region, the highly variable conditions encountered render reliable estimation of annual CO2 fluxes in the Southern Ocean difficult.
    Keywords: ANT-X/6; AWI_BioOce; Biological Oceanography @ AWI; CT; CTD/Rosette; CTD-RO; DIVERSE; Giant water sampler; GWS; JGOFS; Joint Global Ocean Flux Study; MUC; MultiCorer; Polarstern; PS22; PS22/6-track; PS22/856C1; PS22/857; PS22/857C1; PS22/858C1; PS22/858C2; PS22/859; PS22/859C1; PS22/859C2; PS22/860; PS22/860C1; PS22/860C2; PS22/860C3; PS22/861C1; PS22/861C2; PS22/862; PS22/862C1; PS22/862C2; PS22/863C1; PS22/864; PS22/864C1; PS22/865; PS22/865C1; PS22/865CA1; PS22/866; PS22/866C1; PS22/866C2; PS22/866C3; PS22/866C4; PS22/866C5; PS22/867; PS22/867C1; PS22/868; PS22/868C1; PS22/868C2; PS22/869; PS22/869C1; PS22/869C2; PS22/870; PS22/870C2; PS22/870C3; PS22/870C4; PS22/871; PS22/871C1; PS22/872; PS22/872C1; PS22/872C2; PS22/872C3; PS22/873; PS22/873C1; PS22/873C2; PS22/874; PS22/874C1; PS22/874C2; PS22/874C3; PS22/875; PS22/875C1; PS22/876; PS22/876C1; PS22/876C2; PS22/877; PS22/877C1; PS22/877C2; PS22/877C3; PS22/878; PS22/878C1; PS22/878C2; PS22/879; PS22/879C1; PS22/879C2; PS22/879C3; PS22/879C4; PS22/880C1; PS22/881; PS22/881C1; PS22/882; PS22/882C1; PS22/882C2; PS22/883C1; PS22/885; PS22/885C1; PS22/886; PS22/886C1; PS22/886C10; PS22/886C2; PS22/886C3; PS22/886C4; PS22/886C5; PS22/886C6; PS22/886C7; PS22/886C8; PS22/887; PS22/887C1; PS22/887C2; PS22/887C3; PS22/888C1; PS22/889C1; PS22/890C1; PS22/891; PS22/891C1; PS22/891C2; PS22/891C3; PS22/891C4; PS22/892C1; PS22/893; PS22/893C1; PS22/893C2; PS22/893C3; PS22/894C1; PS22/895C1; PS22/895C2; PS22/895C3; PS22/895C4; PS22/896C1; PS22/897; PS22/897C1; PS22/897C2; PS22/897C3; PS22/898C1; PS22/899; PS22/899C1; PS22/899C2; PS22/899C3; PS22/899C4; PS22/900; PS22/900C1; PS22/901; PS22/901C1; PS22/901C2; PS22/901C3; PS22/901C4; PS22/901C5; PS22/902; PS22/902C1; PS22/903; PS22/903C1; PS22/903C2; PS22/903C3; PS22/903C4; PS22/904C1; PS22/905; PS22/905C1; PS22/905C2; PS22/905C3; PS22/906C1; PS22/907; PS22/907C1; PS22/907C2; PS22/907C3; PS22/907C4; PS22/907C5; PS22/908; PS22/908C1; PS22/908C2; PS22/909; PS22/909C1; PS22/909C2; PS22/910C1; PS22/911; PS22/911C1; PS22/911C2; PS22/912; PS22/912C1; PS22/912C2; PS22/913C1; PS22/914C1; PS22/915; PS22/915C1; PS22/915C2; PS22/915C3; PS22/916; PS22/916C1; PS22/916C2; PS22/916C3; PS22/917; PS22/917C1; PS22/917C2; PS22/917C3; PS22/918; PS22/918C1; PS22/918C2; PS22/918C3; PS22/919; PS22/919C1; PS22/919C2; PS22/919C3; PS22/919C4; PS22/920; PS22/920C1; PS22/921; PS22/921C1; PS22/922; PS22/922C1; PS22/923; PS22/923C1; PS22/924; PS22/924C1; PS22/925; PS22/925C1; PS22/926; PS22/926C1; PS22/927; PS22/927C1; PS22/928; PS22/928C1; PS22/929C1; PS22/930; PS22/930C1; PS22/930C2; PS22/930C3; PS22/931; PS22/931C1; PS22/931C2; PS22/932C1; PS22/933; PS22/933C1; PS22/934; PS22/934C1; PS22/934C2; PS22/934C3; PS22/934C4; PS22/934C5; PS22/934C6; PS22/935C1; PS22/935C2; PS22/936C1; PS22/937C1; PS22/938; PS22/938C1; PS22/939; PS22/939C1; PS22/939C2; PS22/940; PS22/940C1; PS22/941; PS22/941C1; PS22/941C2; PS22/941C3; PS22/942C1; PS22/943; PS22/943C1; PS22/943C2; PS22/943C3; PS22/944C1; PS22/944C2; PS22/945; PS22/945C1; PS22/945C2; PS22/945C3; PS22/945C4; PS22/946C1; PS22/947; PS22/947C1; PS22/947C2; PS22/947C3; PS22/948C1; PS22/949; PS22/949C1; PS22/949C2; PS22/949C3; PS22/949C4; PS22/950C1; PS22/951; PS22/951C1; PS22/951C2; PS22/951C3; PS22/952C1; PS22/953; PS22/953C1; PS22/953C2; PS22/953C3; PS22/954C1; PS22/955C1; PS22/956; PS22/956C1; PS22/956C2; PS22/956C3; PS22/957C1; PS22/958C1; PS22/959C1; PS22/960; PS22/960C1; PS22/960C2; PS22/960C3; PS22/961C1; PS22/962C1; PS22/963C1; PS22/964; PS22/964C1; PS22/964C2; PS22/964C3; PS22/965C1; PS22/966C1; PS22/968C1; PS22/969; PS22/969C1; PS22/969C2; PS22/969C3; PS22/970; PS22/970C1; PS22/971; PS22/971C1; PS22/972; PS22/972C1; PS22/972C2; PS22/972C3; PS22/972C4; PS22/972C5; PS22/973; PS22/973C1; PS22/974C1; PS22/975C1; PS22/976C1; PS22/977; PS22/977C1; PS22/978; PS22/978C1; PS22/978C2; PS22/978C3; PS22/979C1; PS2356-1; PS2357-1; PS2361-1; PS2362-1; PS2363-1; PS2364-1; PS2365-2; PS2366-1; PS2367-1; PS2368-1; PS2369-4; PS2370-4; PS2371-1; PS2372-1; PS2374-2; PS2376-1; Sampling gear, diverse; Scotia Sea, southwest Atlantic; South Atlantic Ocean; Underway cruise track measurements
    Type: Dataset
    Format: application/zip, 43 datasets
    Location Call Number Limitation Availability
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  • 4
    Publication Date: 2024-06-26
    Keywords: Acridine Orange Direct Counting (AODC); ANT-X/6; Bacteria; Bacteria, biomass as carbon; Bottle number; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Elevation of event; Event label; JGOFS; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Polarstern; PS22; PS22/866C2; PS22/868C2; PS22/870C3; PS22/872C2; PS22/874C2; PS22/876C2; PS22/879C2; PS22/882C2; PS22/886C1; PS22/886C10; PS22/887C2; PS22/887C3; PS22/891C1; PS22/893C1; PS22/893C2; PS22/895C1; PS22/895C2; PS22/897C1; PS22/897C2; PS22/899C2; PS22/901C2; PS22/901C3; PS22/903C1; PS22/903C2; PS22/905C1; PS22/905C2; PS22/907C2; PS22/907C3; PS22/909C1; PS22/909C2; PS22/912C1; PS22/912C2; PS22/915C2; PS22/916C1; PS22/916C2; PS22/918C1; PS22/918C2; PS22/919C1; PS22/919C2; PS22/930C1; PS22/930C2; PS22/931C1; PS22/931C2; PS22/932C1; PS22/934C1; PS22/934C2; PS22/941C1; PS22/941C2; PS22/943C1; PS22/943C2; PS22/945C1; PS22/945C2; PS22/947C1; PS22/947C2; PS22/949C2; PS22/949C3; PS22/951C2; PS22/953C1; PS22/953C2; PS22/956C1; PS22/956C2; PS22/960C1; PS22/960C2; PS22/964C2; PS22/969C2; PS22/972C2; Sample ID; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 719 data points
    Location Call Number Limitation Availability
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  • 5
    Publication Date: 2024-06-26
    Keywords: ANT-X/6; Bottle number; Carbon dioxide; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Elevation of event; Event label; JGOFS; JGOFS AWI methods; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Polarstern; PS22; PS22/860C2; PS22/862C1; PS22/862C2; PS22/864C1; PS22/866C1; PS22/866C4; PS22/868C1; PS22/870C2; PS22/872C1; PS22/874C1; PS22/876C1; PS22/877C2; PS22/879C3; PS22/882C1; PS22/885C1; PS22/886C1; PS22/886C5; PS22/887C2; PS22/891C2; PS22/893C1; PS22/897C1; PS22/899C1; PS22/901C2; PS22/903C1; PS22/905C1; PS22/907C2; PS22/909C1; PS22/911C2; PS22/915C1; PS22/916C1; PS22/918C1; PS22/919C1; PS22/920C1; PS22/921C1; PS22/923C1; PS22/924C1; PS22/926C1; PS22/928C1; PS22/930C1; PS22/931C1; PS22/934C1; PS22/941C1; PS22/943C1; PS22/945C1; PS22/947C1; PS22/947C3; PS22/949C2; PS22/953C1; PS22/956C1; PS22/956C3; PS22/960C1; PS22/964C1; PS22/969C1; PS22/970C1; PS22/972C1; PS22/972C3; PS22/973C1; PS22/975C1; PS22/977C1; Sample ID; Scotia Sea, southwest Atlantic; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 1515 data points
    Location Call Number Limitation Availability
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  • 6
    Publication Date: 2024-06-26
    Keywords: ANT-X/6; Bottle number; Chaetoceros bulbosum; Coccolithophoridae; Corethron criophilum; Corethron criophilum forma inerme; CTD/Rosette; CTD-RO; Cyanobacteria; Date/Time of event; DEPTH, water; Diatoms; Diatoms, biomass as carbon; Diatoms, pelagic, biomass as carbon; Diatoms, sea ice, biomass as carbon; Elevation of event; Event label; Flagellates, biomass as carbon; Fragilariopsis kerguelensis; JGOFS; JGOFS AWI methods; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Nanoflagellates; Nitzschia closterium; Nitzschia prolongatoides; Phytoplankton, biomass as carbon; Polarstern; PS22; PS22/930C1; PS22/931C1; PS22/932C1; PS22/933C1; PS22/934C1; PS22/939C1; PS22/940C1; PS22/941C1; PS22/943C1; PS22/945C1; PS22/947C1; PS22/949C2; PS22/950C1; PS22/953C1; PS22/954C1; PS22/956C1; PS22/958C1; PS22/960C1; PS22/962C1; PS22/964C1; PS22/966C1; PS22/969C1; Sample ID; South Atlantic Ocean; Thalassionema nitzschioides
    Type: Dataset
    Format: text/tab-separated-values, 1983 data points
    Location Call Number Limitation Availability
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  • 7
    Publication Date: 2024-06-26
    Keywords: ANT-X/6; Bottle number; Carbon, organic, particulate; Chlorophyll a; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Elevation of event; Event label; JGOFS; JGOFS AWI methods; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Nitrogen, organic, particulate; Pheophytin; Polarstern; PS22; PS22/857C1; PS22/858C1; PS22/859C1; PS22/860C1; PS22/861C1; PS22/862C1; PS22/862C2; PS22/863C1; PS22/864C1; PS22/865C1; PS22/866C2; PS22/868C2; PS22/870C2; PS22/872C3; PS22/874C2; PS22/876C2; PS22/877C3; PS22/879C2; PS22/881C1; PS22/882C2; PS22/887C3; PS22/889C1; PS22/891C1; PS22/892C1; PS22/893C2; PS22/894C1; PS22/895C2; PS22/897C2; PS22/898C1; PS22/899C2; PS22/900C1; PS22/901C3; PS22/902C1; PS22/903C2; PS22/904C1; PS22/905C2; PS22/906C1; PS22/907C3; PS22/908C1; PS22/909C2; PS22/910C1; PS22/911C1; PS22/911C2; PS22/912C2; PS22/913C1; PS22/914C1; PS22/915C2; PS22/916C2; PS22/917C1; PS22/917C2; PS22/918C2; PS22/919C2; PS22/920C1; PS22/921C1; PS22/922C1; PS22/923C1; PS22/924C1; PS22/925C1; PS22/926C1; PS22/927C1; PS22/928C1; PS22/930C2; PS22/931C2; PS22/934C2; PS22/941C2; PS22/943C2; PS22/945C2; PS22/947C2; PS22/947C3; PS22/949C3; PS22/951C2; PS22/951C3; PS22/953C2; PS22/955C1; PS22/956C2; PS22/956C3; PS22/960C2; PS22/964C2; PS22/969C2; PS22/970C1; PS22/971C1; PS22/972C2; PS22/972C3; PS22/973C1; PS22/974C1; PS22/975C1; PS22/976C1; PS22/977C1; Sample ID; Scotia Sea, southwest Atlantic; Silicate; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 3427 data points
    Location Call Number Limitation Availability
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  • 8
    Publication Date: 2024-06-26
    Keywords: Aluminium, particulate; ANT-X/6; Bottle number; Cadmium, particulate; Copper, particulate; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Elevation of event; Event label; Iron, particulate; JGOFS; JGOFS AWI methods; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Manganese, particulate; Polarstern; PS22; PS22/866C1; PS22/870C2; PS22/872C1; PS22/874C1; PS22/877C2; PS22/879C3; PS22/887C2; PS22/891C2; PS22/893C1; PS22/897C1; PS22/899C1; PS22/901C2; PS22/903C3; PS22/905C1; PS22/907C2; PS22/915C1; PS22/930C1; PS22/934C3; PS22/938C1; PS22/941C1; PS22/943C1; PS22/945C1; Sample ID; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 822 data points
    Location Call Number Limitation Availability
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  • 9
    Publication Date: 2024-06-26
    Keywords: ANT-X/6; Bottle number; Centrics; Cryptos; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Diatoms; Elevation of event; Event label; JGOFS; JGOFS AWI methods; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Nanoflagellates, autotrophic, fractionated; Nanoflagellates, heterotrophic; Nanoflagellates, heterotrophic, fractionated; Nitzschia; Picoplankton, autotrophic; Picoplankton, heterotrophic, fractionated; Polarstern; PS22; PS22/866C1; PS22/886C1; PS22/886C2; PS22/886C5; PS22/891C1; PS22/891C2; PS22/893C1; PS22/893C2; PS22/895C1; PS22/897C1; PS22/899C1; PS22/901C2; PS22/903C1; PS22/905C1; PS22/907C2; PS22/909C1; PS22/912C1; PS22/914C1; PS22/916C1; PS22/918C1; PS22/919C1; PS22/930C1; PS22/931C1; PS22/934C1; PS22/941C1; PS22/943C1; PS22/945C1; PS22/947C1; PS22/949C2; PS22/953C1; PS22/956C1; PS22/960C1; PS22/964C1; PS22/969C1; Sample ID; South Atlantic Ocean; Synechococcus
    Type: Dataset
    Format: text/tab-separated-values, 379 data points
    Location Call Number Limitation Availability
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  • 10
    Publication Date: 2024-06-26
    Keywords: ANT-X/6; Bottle number; Carbon dioxide, partial pressure; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Elevation of event; Event label; JGOFS; JGOFS AWI methods; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Polarstern; PS22; PS22/866C1; PS22/866C2; PS22/866C4; PS22/868C1; PS22/870C2; PS22/872C1; PS22/872C2; PS22/874C1; PS22/876C1; PS22/877C2; PS22/879C1; PS22/879C3; PS22/882C1; PS22/885C1; PS22/886C1; PS22/886C5; PS22/886C6; PS22/887C2; PS22/891C2; PS22/893C1; PS22/897C1; PS22/899C1; PS22/901C2; PS22/903C1; PS22/905C1; PS22/907C2; PS22/908C1; PS22/909C1; PS22/911C1; PS22/911C2; PS22/912C1; PS22/914C1; PS22/915C1; PS22/916C1; PS22/917C2; PS22/918C1; PS22/919C1; PS22/919C3; PS22/920C1; PS22/921C1; PS22/923C1; PS22/924C1; PS22/926C1; PS22/928C1; PS22/930C1; PS22/931C1; PS22/934C1; PS22/941C1; PS22/943C1; PS22/945C1; PS22/947C1; PS22/947C3; PS22/949C2; PS22/951C3; PS22/953C1; PS22/956C1; PS22/956C3; PS22/960C1; PS22/964C1; PS22/969C1; PS22/970C1; PS22/972C1; PS22/972C3; PS22/973C1; PS22/975C1; PS22/977C1; PS22/978C1; Sample ID; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 1704 data points
    Location Call Number Limitation Availability
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