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  • 1
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    Temperature, salinity, methane concentration, oxidation rates and methanotrophic cell number at Svalbard seeps in summer 2011 and 2012 (cruises POS419 and MSM21/4) (2015)
    PANGAEA
    In:  Supplement to: Steinle, Lea; Graves, Carolyn; Treude, Tina; Ferre, Benedicte; Biastoch, Arne; Bussmann, Ingeborg; Berndt, Christian; Krastel, Sebastian; James, Rachael H; Behrens, Erik; Böning, Claus W; Greinert, Jens; Sapart, Célia-Julia; Scheinert, Markus; Sommer, Stefan; Lehmann, Moritz F; Niemann, Helge (2015): Water column methanotrophy controlled by a rapid oceanographic switch. Nature Geoscience, 8(5), 378–382, https://doi.org/10.1038/ngeo2420
    Details
    Publikationsdatum: 2023-03-03
    Beschreibung: Large amounts of the greenhouse gas methane are released from the seabed to the water column where it may be consumed by aerobic methanotrophic bacteria. This microbial filter is consequently the last marine sink for methane before its liberation to the atmosphere. The size and activity of methanotrophic communities, which determine the capacity of the water column methane filter, are thought to be mainly controlled by nutrient and redox dynamics, but little is known about the effects of ocean currents. Here, we report measurements of methanotrophic activity and biomass (CARD-FISH) at methane seeps west of Svalbard, and related them to physical water mass properties (CTD) and modelled current dynamics. We show that cold bottom water containing a large number of aerobic methanotrophs was rapidly displaced by warmer water with a considerably smaller methanotrophic community. This water mass exchange, caused by short-term variations of the West Spitsbergen Current, constitutes a rapid oceanographic switch severely reducing methanotrophic activity in the water column. Strong and fluctuating currents are widespread oceanographic features common at many methane seep systems and are thus likely to globally affect methane oxidation in the ocean water column.
    Materialart: Dataset
    Format: application/zip, 4 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 2
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    Current meter measurements from five moorings in the subpolar North Atlantic east of the Grand Banks of Newfoundland
    PANGAEA
    In:  Supplement to: Mertens, Christian; Rhein, Monika; Walter, Maren; Böning, Claus W; Behrens, Erik; Kieke, Dagmar; Steinfeldt, Reiner; Stöber, Uwe (2014): Circulation and transports in the Newfoundland Basin, western subpolar North Atlantic. Journal of Geophysical Research: Oceans, 119(11), 7772-7793, https://doi.org/10.1002/2014JC010019
    Details
    Publikationsdatum: 2023-05-12
    Beschreibung: The southwestern part of the subpolar North Atlantic east of the Grand Banks of Newfoundland and Flemish Cap is a crucial area for the Atlantic Meridional Overturning Circulation. Here the exchange between subpolar and subtropical gyre takes place, southward flowing cold and fresh water is replaced by northward flowing warm and salty water within the North Atlantic Current (NAC). As part of a long-term experiment, the circulation east of Flemish Cap has been studied by seven repeat hydrographic sections along inline image (2003-2011), a 2 year time series of current velocities at the continental slope (2009-2011), 19 years of sea surface height, and 47 years of output from an eddy resolving ocean circulation model. The structure of the flow field in the measurements and the model shows a deep reaching NAC with adjacent recirculation and two distinct cores of southward flow in the Deep Western Boundary Current (DWBC): one core above the continental slope with maximum velocities at mid-depth and the second farther east with bottom-intensified velocities. The western core of the DWBC is rather stable, while the offshore core shows high temporal variability that in the model is correlated with the NAC strength. About 30 Sv of deep water flow southward below a density of sigma-theta = 27.68 kg/m**3 in the DWBC. The NAC transports about 110 Sv northward, approximately 15 Sv originating from the DWBC, and 75 Sv recirculating locally east of the NAC, leaving 20 Sv to be supplied by the NAC from the south.
    Materialart: Dataset
    Format: application/zip, 6 datasets
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  • 3
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    Current meter measurements from mooring B21-1
    PANGAEA
    Details
    Publikationsdatum: 2023-05-12
    Schlagwort(e): B21-1; Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Mooring (long time); MOORY; Pressure, water; South Atlantic Ocean
    Materialart: Dataset
    Format: text/tab-separated-values, 149153 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 4
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    Current meter measurements from mooring B23-1
    PANGAEA
    Details
    Publikationsdatum: 2023-05-12
    Schlagwort(e): B23-1; Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Mooring (long time); MOORY; Pressure, water; South Atlantic Ocean
    Materialart: Dataset
    Format: text/tab-separated-values, 94161 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 5
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    Current meter measurements from mooring B21-2
    PANGAEA
    Details
    Publikationsdatum: 2023-05-12
    Schlagwort(e): B21-2; Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Mooring (long time); MOORY; Pressure, water; South Atlantic Ocean
    Materialart: Dataset
    Format: text/tab-separated-values, 115041 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 6
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    Current meter measurements from mooring B22-1
    PANGAEA
    Details
    Publikationsdatum: 2023-05-12
    Schlagwort(e): B22-1; Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Mooring (long time); MOORY; Pressure, water; South Atlantic Ocean
    Materialart: Dataset
    Format: text/tab-separated-values, 128785 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 7
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    Current meter measurements from mooring B22-2
    PANGAEA
    Details
    Publikationsdatum: 2023-05-12
    Schlagwort(e): B22-2; Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Mooring (long time); MOORY; Pressure, water; South Atlantic Ocean
    Materialart: Dataset
    Format: text/tab-separated-values, 65589 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 8
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    Physical oceanography during Maria S. Merian cruise MSM38 (2017)
    PANGAEA
    Details
    Publikationsdatum: 2024-02-27
    Schlagwort(e): 0; 1; 10; 100; 101; 102; 103; 104; 105; 106; 107; 108; 109; 11; 110; 111; 112; 113; 114; 115; 116; 117; 118; 119; 12; 120; 121; 122; 123; 124; 125; 126; 127; 128; 13; 14; 15; 16; 17; 18; 19; 2; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 3; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 4; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 5; 50; 51; 52; 53; 54; 55; 56; 57; 58; 59; 6; 60; 61; 62; 63; 64; 65; 66; 67; 68; 69; 7; 70; 71; 72; 73; 74; 75; 76; 77; 78; 79; 8; 80; 81; 82; 83; 84; 85; 86; 87; 88; 89; 9; 90; 91; 92; 93; 94; 95; 96; 97; 98; 99; Calculated; 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; Maria S. Merian; MSM38; MSM38_343; MSM38_344; MSM38_345; MSM38_347; MSM38_348; MSM38_349; MSM38_350; MSM38_354; MSM38_355; MSM38_358; MSM38_359; MSM38_360; MSM38_361; MSM38_363; MSM38_364; MSM38_365; MSM38_366; MSM38_367; MSM38_368; MSM38_369; MSM38_370; MSM38_372; MSM38_373; MSM38_374; MSM38_375; MSM38_376; MSM38_377; MSM38_378; MSM38_379; MSM38_380; MSM38_381; MSM38_382; MSM38_383; MSM38_384; MSM38_385; MSM38_386; MSM38_387; MSM38_388; MSM38_389; MSM38_390; MSM38_391; MSM38_392; MSM38_393; MSM38_394; MSM38_395; MSM38_396; MSM38_397; MSM38_398; MSM38_399; MSM38_400; MSM38_401; MSM38_402; MSM38_403; MSM38_404; MSM38_405; MSM38_406; MSM38_407; MSM38_408; MSM38_409; MSM38_410; MSM38_411; MSM38_412; MSM38_413; MSM38_414; MSM38_415; MSM38_417; MSM38_418; MSM38_419; MSM38_420; MSM38_421; MSM38_422; MSM38_423; MSM38_424; MSM38_425; MSM38_426; MSM38_427; MSM38_428; MSM38_429; MSM38_430; MSM38_431; MSM38_432; MSM38_433; MSM38_434; MSM38_435; MSM38_436; MSM38_437; MSM38_438; MSM38_439; MSM38_440; MSM38_441; MSM38_442; MSM38_443; MSM38_444; MSM38_445; MSM38_446; MSM38_447; MSM38_448; MSM38_449; MSM38_450; MSM38_451; MSM38_452; MSM38_453; MSM38_454; MSM38_455; MSM38_456; MSM38_457; MSM38_458; MSM38_459; MSM38_460; MSM38_461; MSM38_462; MSM38_463; MSM38_464; MSM38_465; MSM38_466; MSM38_467; MSM38_468; MSM38_469; MSM38_470; MSM38_471; MSM38_472; MSM38_473; MSM38_474; MSM38_475; MSM38_476; MSM38_477; MSM38_478; MSM38_479; MSM38_480; Oxygen; Oxygen sensor, SBE 43; Pressure, water; Salinity; Temperature, water; Temperature, water, potential
    Materialart: Dataset
    Format: text/tab-separated-values, 2181198 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 9
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    Physical oceanography during Maria S. Merian cruise MSM09/1 (2014)
    PANGAEA
    Details
    Publikationsdatum: 2024-02-27
    Schlagwort(e): Calculated; CTD, Seabird; CTD, Sea-Bird SBE 911plus; CTD-R; CTD-yoyo; Date/Time of event; Density, sigma-theta (0); DEPTH, water; Elevation of event; Event label; Latitude of event; Longitude of event; Maria S. Merian; MSM09/1; MSM09/1_342-1; MSM09/1_343-1; MSM09/1_344-1; MSM09/1_345-1; MSM09/1_346-1; MSM09/1_347-1; MSM09/1_348-1; MSM09/1_349-1; MSM09/1_350-1; MSM09/1_351-1; MSM09/1_352-1; MSM09/1_353-1; MSM09/1_354-1; MSM09/1_355-1; MSM09/1_356-1; MSM09/1_357-1; MSM09/1_358-1; MSM09/1_359-1; MSM09/1_360-1; MSM09/1_362-1; MSM09/1_363-1; MSM09/1_364-1; MSM09/1_365-1; MSM09/1_365-2; MSM09/1_366-1; MSM09/1_366-2; MSM09/1_367-1; MSM09/1_368-1; MSM09/1_369-1; MSM09/1_370-1; MSM09/1_371-1; MSM09/1_372-1; MSM09/1_373-1; MSM09/1_376-1; MSM09/1_377-1; MSM09/1_378-1; MSM09/1_380-1; MSM09/1_381-1; MSM09/1_382-1; MSM09/1_383-1; MSM09/1_384-1; MSM09/1_385-1; MSM09/1_386-1; MSM09/1_387-1; MSM09/1_388-1; MSM09/1_389-1; MSM09/1_390-1; MSM09/1_391-1; MSM09/1_392-1; MSM09/1_393-1; MSM09/1_394-1; MSM09/1_395-1; MSM09/1_396-1; MSM09/1_397-1; MSM09/1_401-1; MSM09/1_401-10; MSM09/1_401-11; MSM09/1_401-12; MSM09/1_401-2; MSM09/1_401-3; MSM09/1_401-4; MSM09/1_401-5; MSM09/1_401-6; MSM09/1_401-7; MSM09/1_401-8; MSM09/1_401-9; MSM09/1_402-1; MSM09/1_402-2; MSM09/1_402-3; MSM09/1_402-4; MSM09/1_402-5; MSM09/1_403-1; MSM09/1_404-1; MSM09/1_405-1; MSM09/1_406-1; MSM09/1_407-1; MSM09/1_408-1; MSM09/1_409-1; MSM09/1_410-1; MSM09/1_411-1; MSM09/1_412-1; MSM09/1_413-1; MSM09/1_414-1; Pressure, water; Salinity; South Atlantic Ocean; Temperature, water; Temperature, water, potential; Yoyo-CTD
    Materialart: Dataset
    Format: text/tab-separated-values, 1348730 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
  • 10
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    Temperature and salinity profiles of Maria S. Merian cruise MSM21/4 at Svalbard seeps in summer 2012 (2015)
    PANGAEA
    Details
    Publikationsdatum: 2024-02-02
    Schlagwort(e): Campaign of event; CTD/Rosette; CTD-RO; Date/Time of event; Depth, bottom/max; DEPTH, water; Event label; Latitude of event; Longitude of event; Maria S. Merian; MSM21/4; MSM21/4_546-2; MSM21/4_550-1; MSM21/4_551-1; MSM21/4_552-1; MSM21/4_553-1; MSM21/4_554-1; MSM21/4_555-1; MSM21/4_556-1; MSM21/4_557-1; MSM21/4_558-1; MSM21/4_559-1; MSM21/4_580-1; MSM21/4_581-1; MSM21/4_582-1; MSM21/4_583-1; MSM21/4_584-1; MSM21/4_613-1; MSM21/4_633-1; MSM21/4_634-1; MSM21/4_635-1; MSM21/4_636-1; MSM21/4_637-1; MSM21/4_638-1; MSM21/4_639-1; MSM21/4_640-1; MSM21/4_641-1; MSM21/4_642-1; MSM21/4_654-1; MSM21/4_655-1; North Greenland Sea; Salinity; Sample code/label; Temperature, water; Type
    Materialart: Dataset
    Format: text/tab-separated-values, 55415 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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    DATA PANGAEA
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