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  • 2020-2023
  • 2005-2009  (8)
  • 2009  (8)
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  • 2020-2023
  • 2005-2009  (8)
Year
  • 1
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    Benthic organic carbon flux and oxygen penetration reflect different plankton provinces in the Southern Ocean (2009)
    In:  EPIC3Deep-Sea Research Part I 56, pp., pp. 1319-1335
    Details
    Publication Date: 2019-07-16
    Description: For the investigation of organic carbon fluxes reaching the seafloor, oxygen microprofiles were measured at 145 sites in different sub-regions of the Southern Ocean. At 11 sites, an in situ oxygen microprofiler was deployed for the measurement of oxygen profiles and the calculation of organic carbon fluxes. At four sites, both in situ and ex situ data were determined for high latitudes. Based on this data set as well as on previous published data, a relationship was established for the estimation of fluxes derived by ex situ measured O2 profiles. The fluxes of labile organic matter range from 0.5 to 37.1 mg C m−2 d−1. The high values determined by in situ measurements were observed in the Polar Front region (water depth of more than 4290 m) and are comparable to organic matter fluxes observed for high-productivity, upwelling areas like off West Africa. The oxygen penetration depth, which reflects the long-term organic matter flux to the sediment, was correlated with assemblages of key diatom species. In the Scotia Sea (not, vert, similar3000 m water depth), oxygen penetration depths of less than 15 cm were observed, indicating high benthic organic carbon fluxes. In contrast, the oxic zone extends down to several decimeters in abyssal sediments of the Weddell Sea and the southeastern South Atlantic. The regional pattern of organic carbon fluxes derived from microsensor data suggests that episodic and seasonal sedimentation pulses are important for the carbon supply to the seafloor of the deep Southern Ocean.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Location Call Number Limitation Availability
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    PAPER (OA)
  • 2
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    Digital Atlas of the North Sea (2009)
    In:  EPIC3Alfred Wegener Institute for Polar and Marine Research et al, 91 p.
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , notRev
    Format: application/pdf
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  • 3
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    Geo-Informationen über den Meeresboden der Nordsee Oberflächensedimente, Geochemie, gassy sediments und benthische Lebensgemeinschaften. (2009)
    In:  EPIC3"GEOPOTENZIAL DEUTSCHE NORDSEE".
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 4
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    Quantification of methane emissions from pockmarks (Lake Constance) by online and onsite membrane inlet mass spectrometry (2009)
    In:  EPIC3Goldschmidt Conference 2009, Davos.
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 5
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    Quantification of methane emissions from pockmarks (Lake Constance) by online and onsite membrane inlet mass spectrometry (2009)
    In:  EPIC3Goldschmidt Conference 2009, Davos.
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 6
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    DiaTrans - A new numerical model to simulate density-dependent flow, transport and reaction processes in subsurface sediments interacting with seawater. (2009)
    In:  EPIC3. Proceedings of the 2nd International Multidisciplinary Conference on Hydrology and Ecology (HydroEco) - Ecosystems Interfacing with Groundwater and SurfaceWater, Vienna, Austria.
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 7
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    Online membrane inlet mass spectrometry (Inspectr200-200) for quantification of the methane concentration (2009)
    In:  EPIC3HEMS Workshop 2009, Santa Barbara, California, 2009-09-21-2009-09-24
    Details
    Publication Date: 2019-07-17
    Description: Worldwide, the release of methane from sediments of lakes, coastal regions as well as ocean margins is observed. The gas release is often associated with specific features like pockmarks (morphological depressions at the seafloor), mud volcanoes, cold seeps as well as occurrence of gas hydrates. For such sites gas plumes were observed by underwater camera systems as well as acoustic techniques. Compared to such semi-quantitative information, rather little-known is the concentration field of CH4 as well as other gases around e.g. pockmarks. This is mainly to the laborious sampling schemes (e.g. by Rosette Water Sampler) and rather time consuming CH4 analysis by gas chromatography. We investigated the CH4 concentration field around pockmarks in Lake Constance by application of membrane inlet mass spectrometry (Inspectr200-200) combined with a submersible pump system. By this means very steep horizontal and vertical gradients of methane concentrations were observed in bottom as well as surface waters. Compilation of the continuous gas analyses allowed a 3D visualisation of the CH4 concentration field above pockmarks and computation of methane inventories for the water column.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
    Format: application/pdf
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  • 8
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    Benthic organic carbon flux and oxygen penetration depth in the Southern Ocean (2009)
    PANGAEA
    In:  Supplement to: Sachs, Oliver; Sauter, Eberhard-Jürgen; Schlüter, Michael; Rutgers van der Loeff, Michiel M; Jerosch, Kerstin; Holby, Ola (2009): Benthic organic carbon flux and oxygen penetration reflect different plankton provinces in the Southern Ocean. Deep Sea Research Part I: Oceanographic Research Papers, 56(8), 1319-1335, https://doi.org/10.1016/j.dsr.2009.02.003
    Details
    Publication Date: 2024-06-28
    Description: For the investigation of organic carbon fluxes reaching the seafloor, oxygen microprofiles were measured at 145 sites in different sub-regions of the Southern Ocean. At eleven sites, an in situ oxygen microprofiler was deployed for the measurement of oxygen profiles and the calculation of organic carbon fluxes. At four sites, both in situ and ex situ data were determined for high latitudes. Based on this dataset as well as on previous published data, a relationship was established for the estimation of fluxes derived by ex situ measured O2 profiles. The fluxes of labile organic matter range from 0.5 to 37.1 mgC m**2/day. The high values determined by in situ measurements were observed in the Polar Front region (water depth of more than 4290 m) and are comparable to organic matter fluxes observed for high-productivity, upwelling areas like off West Africa. The oxygen penetration depth, which reflects the long-term organic matter flux to the sediment, was correlated with assemblages of key diatom species. In the Scotia Sea (~3000 m water depth), oxygen penetration depths of less than 15 cm were observed, indicating high benthic organic carbon fluxes. In contrast, the oxic zone extends down to several decimeters in abyssal sediments of the Weddell Sea and the southeastern South Atlantic. The regional pattern of organic carbon fluxes derived from micro-sensor data suggest that episodic and seasonal sedimentation pulses are important for the carbon supply to the seafloor of the deep Southern Ocean.
    Keywords: Adelaide Island; Agulhas Basin; Amundsen Sea; Antarctic Peninsula; ANT-V/4; ANT-VI/2; ANT-VI/3; ANT-VIII/3; ANT-VIII/6; ANT-X/5; ANT-X/6; ANT-XI/3; ANT-XXI/4; ANT-XXIV/2; Anvers Island; Area/locality; Atka Bay; Atlantic Ridge; AWI_Paleo; B_LANDER; Barents Sea; BC; Bellingshausen Sea; Benthic Oxygen Lander System; Biological province; BOLAS; Bottom lander; Box corer; Bransfield Strait; Calculated; Camp Norway; Carbon, organic, flux; Comment; CTD/Rosette; CTD-RO; DATE/TIME; Depth, bathymetric; DEPTH, sediment/rock; Drake Passage; Eastern Weddell Sea, Southern Ocean; ECOFER; Event label; Factor; Filchner Shelf; Filchner Trough; Fram Strait; Gear; Giant box corer; GKG; Gravity corer (Kiel type); H1; H2; Halley Bay; Kapp Norvegia; KTB-06; KTB-11; KTB-13; KTB-16; KTB-19; KTB-23; KTB-26; KTB-28; KTB-33; Latitude of event; Lazarev Sea; Le Suroît; Longitude of event; Lyddan Island; M3; Marguerite Bay; MUC; MultiCorer; Oxygen, microelectrode; Oxygen penetration depth; Oxygen penetration depth, standard deviation; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas; PS10; PS10/672; PS10/675; PS10/678; PS10/684; PS10/686; PS10/688; PS10/690; PS10/694; PS10/697; PS10/699; PS10/701; PS10/703; PS10/707; PS10/711; PS10/719; PS10/725; PS10/738; PS10/740; PS10/748; PS10/757; PS10/760; PS10/762; PS10/766; PS10/778; PS10/782; PS10/784; PS10/794; PS10/804; PS10/813; PS10/816; PS10/818; PS10/820; PS10/824; PS12; PS12/116; PS12/128; PS12/143; PS12/186; PS12/193; PS12/201; PS12/300; PS12/310; PS12/312; PS12/319; PS12/336; PS12/338; PS12/340; PS12/348; PS12/374; PS12/380; PS12/458; PS12/465; PS12/472; PS12/486; PS12/490; PS12/526; PS1472-1; PS1474-1; PS1475-1; PS1477-1; PS1478-1; PS1479-1; PS1480-2; PS1481-2; PS1482-2; PS1483-2; PS1484-2; PS1485-1; PS1486-2; PS1487-1; PS1488-2; PS1489-3; PS1490-2; PS1491-3; PS1492-1; PS1493-2; PS1494-3; PS1495-1; PS1496-2; PS1498-1; PS1499-2; PS1500-2; PS1501-1; PS1502-1; PS1505-1; PS1506-2; PS1507-2; PS1508-2; PS1509-2; PS1537-2; PS1543-1; PS1549-1; PS1555-2; PS1557-1; PS1565-3; PS1590-1; PS1595-2; PS1596-2; PS1599-2; PS16; PS16/267; PS16/281; PS16/294; PS16/306; PS16/311; PS16/321; PS16/337; PS16/342; PS16/362; PS16/515; PS16/516; PS16/540; PS16/549; PS16/559; PS1605-2; PS1606-2; PS1607-2; PS1611-4; PS1622-2; PS1625-2; PS1635-3; PS1636-2; PS1637-2; PS1638-2; PS1639-2; PS1645-2; PS1751-2; PS1755-7; PS1759-1; PS1765-1; PS1768-1; PS1772-6; PS1776-6; PS1777-7; PS1782-6; PS1811-1; PS1812-1; PS1823-5; PS1826-6; PS1832-4; PS22; PS22/712; PS22/714; PS22/721; PS22/769; PS22/773; PS22/776; PS22/786; PS22/788; PS22/790; PS22/791; PS22/797; PS22/802; PS22/803; PS22/804; PS22/805; PS22/810; PS22/812; PS22/813; PS22/814; PS22/815; PS22/816; PS22/860; PS22/872; PS22/876; PS22/891; PS22/899; PS22/902; PS22/917; PS22/941; PS22/947; PS22/973; PS22 06AQANTX_5; PS2257-1; PS2258-1; PS2262-1; PS2276-2; PS2278-5; PS2280-1; PS2288-1; PS2290-1; PS2292-1; PS2293-1; PS2299-1; PS2304-2; PS2305-1; PS2306-1; PS2307-2; PS2312-1; PS2314-1; PS2315-1; PS2316-1; PS2317-1; PS2318-1; PS2357-2; PS2361-1; PS2362-1; PS2365-1; PS2365-2; PS2366-1; PS2367-1; PS2370-4; PS2371-1; PS2372-1; PS2376-1; PS2376-4; PS2522-1; PS2527-1; PS2528-1; PS2537-1; PS2538-1; PS2539-2; PS2542-1; PS2543-3; PS2546-1; PS2547-2; PS2548-2; PS2550-1; PS2553-2; PS2556-1; PS29; PS29/010; PS29/021; PS29/022; PS29/045; PS29/046; PS29/047; PS29/050; PS29/051; PS29/062; PS29/063; PS29/064; PS29/066; PS29/070; PS29/075; PS65; PS65/594-3; PS65/596-2; PS65/598-1; PS65/600-1; PS65/600-2; PS65/701-2; PS65/703-1; PS65/703-2; PS65/705-1; PS71/013-12; PS71/013-2; PS71/017-12; PS71/033-19; PS71/039-10; PS71/039-4; PS71/047-1; PS71/084-1; PS71/085-1; PS71/085-5; PS71/090-2; PS71 ANDEEP-SYSTCO SCACE; Reference of data; S1; S2; S6; S7; S8; S9; Sample method; Scotia Sea, southwest Atlantic; Season; Shona Ridge; SL; South Atlantic Ocean; South Sandwich Basin; SPP1158; Total mass, flux per day; Uniform resource locator/link to reference; Vestkapp; Weddell Sea; Wegener Canyon
    Type: Dataset
    Format: text/tab-separated-values, 1489 data points
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    DATA PANGAEA
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