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  • 1995-1999  (95)
Document type
Keywords
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Year
  • 1
    Online Resource
    Online Resource
    Die Struktur mariner pelagischer Systeme : Ansätze zu einer Synthese von physikoçhemischen und biologischen Betrachtungsweisen (1985-)
    Kiel
    Details Availability
    Keywords: Hochschulschrift
    Type of Medium: Online Resource
    Edition: 2021
    Language: German , English
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    GEOMAR CATALOGUE
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  • 2
    Article
    Article
    Ecology and biogeochemistry of the Antarctic Circumpolar Current during austral spring : Southern Ocean JGOFS cruise ANT X/6 of RV Polarstern (1997)
    Associated volumes
    Details Availability
    In: Deep-sea research. Part 2, Topical studies in oceanography, 1997, (1997)
    In: year:1997
    Type of Medium: Article
    Pages: Ill., graph. Darst , 1 CD-ROM
    Language: English
    Note: Deep-sea research : Part 2, Topical studies in oceanography
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  • 3
    Electronic Resource
    Electronic Resource
    Oceanography Bacteria and silica cycling (1999)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 397 (1999), S. 475-476 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As a graduate student who enjoyed counting plankton under the microscope, I felt frustrated when confronted with an occasional sample that contained almost nothing except a few bacteria flitting or gliding about on the slide. The bacteria were apparently responsible for the barrenness of the slide, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/17219
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Biological oceanography Diatoms and the silicate factor (1998)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 391 (1998), S. 224-225 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Over most of the ocean, the amount of new production (net increase in organic matter) by phytoplankton is regulated by the availability in the surface layer of the plant nutrient nitrate. In the so-called ‘high-nitrate, low-chlorophyll’ (HNLC) regions, however, phytoplankton biomass ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/34528
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    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Importance of iron for plankton blooms and carbon dioxide drawdown in the Southern Ocean (1995)
    [s.l.] : Nature Publishing Group
    Nature 373 (1995), S. 412-415 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The first iron experiments in the Weddell-Scotia Sea5'6 and the Ross Sea7 have shown stimulation of growth by iron; however, other limitations (light and grazing5'6'10'11) were also at play in these near-shore, neritic12 waters where dissolved Fe concentrations4'13'20 commonly exceed ~1 nM, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/373412a0
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Revolution in the ocean (1999)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 401 (1999), S. 647-647 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Plants dominate life on land, but in the sea they are outweighed by animals. The ocean contains less than one per cent of plant biomass, but the proportion for animals is much larger. Yet the annual production of organic matter is about the same on land and in water. The realization that the ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/44281
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    Paper (German National Licenses)
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  • 7
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    Unknown
    Physical, chemical and biological oceanography during Polarstern cruise ANT-X/6 (1997)
    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
    Details
    Publication Date: 2024-02-01
    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
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  • 8
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    Unknown
    Integrated primary production by 14C during POLARSTERN cruise ANT-X/6 (1997)
    PANGAEA
    Details
    Publication Date: 2024-02-01
    Keywords: ANT-X/6; AWI_BioOce; Biological Oceanography @ AWI; CTD/Rosette; CTD-RO; Date/Time of event; Depth, bottom/max; Depth, top/min; DEPTH, water; DIVERSE; Elevation of event; Event label; Ice coverage; JGOFS; JGOFS AWI methods; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Polarstern; Primary production of carbon per area, daily; PS22; PS22/864C1; PS22/866C2; PS22/868C2; PS22/870C2; PS22/872C2; PS22/874C2; PS22/877C3; PS22/878C1; PS22/879C2; PS22/880C1; PS22/882C2; PS22/885C1; PS22/887C3; PS22/891C1; PS22/893C2; PS22/895C1; PS22/897C2; PS22/899C2; PS22/901C1; PS22/903; PS22/907C3; PS22/909C2; PS22/912; PS22/914C1; PS22/915C2; PS22/916; PS22/918C2; PS22/919C2; PS22/931C2; PS22/934; PS22/940; PS22/943; PS22/945; PS22/947; PS22/949C3; PS22/951; PS22/953C2; PS22/956; PS22/960C2; PS22/964; PS22/969C2; Radiation, photosynthetically active; Sampling gear, diverse; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 246 data points
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    DATA PANGAEA
  • 9
    facet.materialart.
    Unknown
    Export production by 234Th, including 210Po and 210Pb measured on water bottle samples during POLARSTERN cruise ANT-X/6 (1997)
    PANGAEA
    Details
    Publication Date: 2024-02-01
    Keywords: ANT-X/6; Bottle number; Calculated; Calculated from conductivity; Carbon, organic, particulate; CTD/Rosette; CTD-RO; Date/Time of event; Density, sigma-theta (0); DEPTH, water; DIVERSE; Elevation of event; Event label; Filtration; JGOFS; JGOFS AWI methods; Joint Global Ocean Flux Study; Latitude of event; Lead-210; Lead-210, dissolved; Lead-210, dissolved, standard deviation; Lead-210, particulate; Lead-210, particulate, standard deviation; Lead-210, standard deviation; Lead-210/Radium-226 ratio; Longitude of event; Nitrate; Nitrite; Nitrogen, organic, particulate; Phosphate; Polarstern; Polonium-210; Polonium-210, dissolved; Polonium-210, dissolved, standard deviation; Polonium-210, particulate; Polonium-210, particulate, standard deviation; Polonium-210, standard deviation; Polonium-210/Lead-210, standard deviation; Polonium-210/Lead-210 activity ratio; Polonium-210/Lead-210 activity ratio, dissolved; Polonium-210/Lead-210 activity ratio, dissolved, standard deviation; Polonium-210/Lead-210 activity ratio, particulate; Polonium-210/Lead-210 activity ratio, particulate, standard deviation; PS22; PS22/857; PS22/860; PS22/862; PS22/865; PS22/866; PS22/868; PS22/872; PS22/876; PS22/877; PS22/879; PS22/886; PS22/891; PS22/895C1; PS22/899; PS22/903; PS22/907; PS22/908; PS22/911; PS22/917; PS22/931; PS22/941; PS22/945; PS22/949; PS22/953; PS22/956; PS22/960; PS22/969; PS22/972; Radium-226; Salinity; Sampling gear, diverse; Scotia Sea, southwest Atlantic; Silicate; South Atlantic Ocean; Suspended matter, particulate/solids; Temperature, water, potential; Thorium-234, dissolved; Thorium-234, dissolved, standard deviation; Thorium-234, particulate; Thorium-234, particulate, standard deviation; Thorium-234/Uranium-238 activity ratio; Thorium-234/Uranium-238 activity ratio, dissolved; Thorium-234/Uranium-238 activity ratio, particulate; Thorium-234/Uranium-238 activity ratio, standard deviation; Transmission of light; Transmissometer, Sea-Tech 25 beamlength, 660 nm; Uranium-238
    Type: Dataset
    Format: text/tab-separated-values, 5522 data points
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    DATA PANGAEA
  • 10
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    Unknown
    Pigments measured on water bottle samples during POLARSTERN cruise ANT-X/6 (1997)
    PANGAEA
    Details
    Publication Date: 2024-02-16
    Keywords: 19-Butanoyloxyfucoxanthin; 19-Hexanoyloxyfucoxanthin; Alloxanthin; ANT-X/6; Bottle number; Chlorophyll a; Chlorophyll a, epimer; Chlorophyll a allomers; Chlorophyll b; Chlorophyll c1+c2; Chlorophyll c3; Chlorophyllide a; CTD/Rosette; CTD-RO; Date/Time of event; DEPTH, water; Diadinoxanthin; Elevation of event; Event label; Fucoxanthin; JGOFS; JGOFS AWI methods; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Peridinin; Pheophorbide a; Pheophytin a; Polarstern; Prasinoxanthin; PS22; PS22/870C2; PS22/872C1; PS22/874C1; PS22/879C3; PS22/882C1; PS22/887C2; PS22/891C2; PS22/893C2; PS22/895C1; PS22/897C1; PS22/899C1; PS22/901C2; PS22/903C1; PS22/905C1; PS22/907C2; PS22/909C1; PS22/912C1; PS22/914C1; PS22/915C1; PS22/916C1; PS22/918C1; PS22/919C1; PS22/920C1; PS22/921C1; PS22/930C1; PS22/931C1; PS22/933C1; PS22/934C1; PS22/938C1; PS22/939C1; PS22/940C1; PS22/941C1; PS22/943C1; PS22/945C1; PS22/947C1; PS22/949C2; PS22/952C1; PS22/953C1; PS22/955C1; PS22/956C1; PS22/957C1; PS22/958C1; PS22/959C1; PS22/960C1; PS22/961C1; PS22/962C1; PS22/963C1; PS22/964C1; PS22/965C1; PS22/966C1; PS22/968C1; PS22/969C1; Pyropheophorbide a; Pyropheophytin a; Sample ID; South Atlantic Ocean; Zeaxanthin + Lutein
    Type: Dataset
    Format: text/tab-separated-values, 6345 data points
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