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  • 11
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    Unknown
    Physical and biochemical data and N2-fixation rates in surface waters in the eastern Indian Ocean (2017)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: Ammonium; AWI_BioOce; Biological Oceanography @ AWI; Chlorophyll a; DATE/TIME; DEPTH, water; East Indian Ocean; Event label; Latitude of event; Longitude of event; Nitrate; Nitrate and Nitrite; Nitrite; Nitrogen, total; Nitrogen/Phosphorus ratio; Nitrogen fixation rate; Phosphate; Ratio; Salinity; Southern Surveyor; SS2012T06; SS2012T06-D1; SS2012T06-D10; SS2012T06-D11; SS2012T06-D12; SS2012T06-D13; SS2012T06-D14; SS2012T06-D15; SS2012T06-D16; SS2012T06-D17; SS2012T06-D18; SS2012T06-D19; SS2012T06-D2; SS2012T06-D20; SS2012T06-D21; SS2012T06-D22; SS2012T06-D23; SS2012T06-D24; SS2012T06-D25; SS2012T06-D26; SS2012T06-D27; SS2012T06-D28; SS2012T06-D29; SS2012T06-D3; SS2012T06-D30; SS2012T06-D31; SS2012T06-D32; SS2012T06-D33; SS2012T06-D34; SS2012T06-D35; SS2012T06-D36; SS2012T06-D37; SS2012T06-D38; SS2012T06-D39; SS2012T06-D4; SS2012T06-D40; SS2012T06-D41; SS2012T06-D42; SS2012T06-D43; SS2012T06-D45; SS2012T06-D46; SS2012T06-D47; SS2012T06-D48; SS2012T06-D49; SS2012T06-D5; SS2012T06-D6; SS2012T06-D7; SS2012T06-D8; SS2012T06-D9; Temperature, water; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 549 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 12
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    16S - Bacterial OTU community structure in surface waters in the eastern Indian Ocean, part 2 (2017)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: AWI_BioOce; Bacteria, operational taxonomic unit; Bacterial (16S) richness; Biological Oceanography @ AWI; Carbon fixation rate; Chao 1 richness; Chlorophyll a; DATE/TIME; DEPTH, water; East Indian Ocean; Event label; Latitude of event; Longitude of event; Ratio; Salinity; Sample ID; Southern Surveyor; SS2012T06; SS2012T06-D1; SS2012T06-D14; SS2012T06-D20; SS2012T06-D27; SS2012T06-D3; SS2012T06-D30; SS2012T06-D32; SS2012T06-D34; SS2012T06-D40; SS2012T06-D41; SS2012T06-D45; SS2012T06-D48; SS2012T06-D6; Temperature, water; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 28140 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 13
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    16S - Bacterial OTU community structure in surface waters in the eastern Indian Ocean, part 1 (2017)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: AWI_BioOce; Bacteria, operational taxonomic unit; Bacterial (16S) richness; Biological Oceanography @ AWI; Carbon fixation rate; Chao 1 richness; Chlorophyll a; DATE/TIME; DEPTH, water; East Indian Ocean; Event label; Latitude of event; Longitude of event; Nitrogen, inorganic, dissolved; Ratio; Salinity; Sample ID; Southern Surveyor; SS2012T06; SS2012T06-D1; SS2012T06-D14; SS2012T06-D20; SS2012T06-D27; SS2012T06-D3; SS2012T06-D30; SS2012T06-D32; SS2012T06-D34; SS2012T06-D40; SS2012T06-D41; SS2012T06-D45; SS2012T06-D48; SS2012T06-D6; Temperature, water; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 40809 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 14
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    nifH_OTU microbial community structure in surface waters in the eastern Indian Ocean (2017)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: AWI_BioOce; Bacteria, operational taxonomic unit; Biological Oceanography @ AWI; DATE/TIME; DEPTH, water; East Indian Ocean; Event label; Latitude of event; Longitude of event; Southern Surveyor; SS2012T06; SS2012T06-D1; SS2012T06-D14; SS2012T06-D20; SS2012T06-D27; SS2012T06-D3; SS2012T06-D32; SS2012T06-D34; SS2012T06-D40; SS2012T06-D45; SS2012T06-D48; SS2012T06-D6; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 968 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 15
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    Primary productivity experiment on board of POLARSTERN cruise PS113 (ANT-XXXIII/4), Punta Arenas - Bremerhaven, 2018-05-08 - 2018-06-11 (2021)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: This data was collected as part of the Polarstern PS113 expedition to obtain insights into primary productivity on a latitudinal transect in the Atlantic Ocean. In-situ experiments of stable isotope (13C) uptake were conducted on board in triplicates of 1L pre-acid washed polycarbonate bottles. In detail, samples were spiked with Na13CO3 at a final 13C concentration of 200 µmol L-1. Experiments were terminated after 24h incubation and filter on a 0.7 precombusted polycarbonate filter. Samples were snap fronzen and stored at -80°C while at sea. Prior analysis, samples were acid fumed and dried. Samples were analysed on a PDZ Europa ANCA-GSL elemental analyzer interfaced to a PDZ Europa 20-20 isotope ratio mass spectrometer (Sercon Ltd., Cheshire, UK) by the Isotopic Laboratory at the UC Davis, California campus. This data reflects high-resolution spatial variations in primary productivity.
    Keywords: ANT-XXXIII/4; AWI_BioOce; AWI_EcolChem; Biological Oceanography @ AWI; Carbon fixation rate; Cruise/expedition; CT; DATE/TIME; Ecological Chemistry @ AWI; Identification; Incubation volume; LATITUDE; LONGITUDE; Number; Polarstern; PS113; PS113-track; Replicates; Sample code/label; see abstract; Station label; Time Stamp; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 2079 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 16
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    Particulate organic matter from POLARSTERN cruise PS113 (ANT-XXXIII/4), Punta Arenas - Bremerhaven, 2018-05-08 - 2018-06-11 (2021)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: This data set was collected in support of an investigation of the variability of particulate organic matter content and composition across a high-resoultion latitudinal transect across the Atlantic Ocean during the PS113 expedition. 4L of seawater from the clean ships' underway system were filtered on a 0.7 µm pre-combusted GFF filter. Samples were snap-frozen and stored at -80°C while at sea. Samples were acid fumed and dried before analyses. Particulate organic carbon and particulate nitrogen contents were measured using an Euro EA elemental analyzer (CHNS; EuroVector, Italy). This data reflects high-resolution spatial variabilites in particulate organic carbon and particulate nitrogen concentrations in surface waters accompanied by few samples from higher depths (0 - 400 m).
    Keywords: ANT-XXXIII/4; AWI_BioOce; AWI_EcolChem; Biological Oceanography @ AWI; Calculated; Canarias Sea; Carbon, organic, particulate; Carbon, organic, particulate mass; Carbon/Nitrogen ratio; Cruise/expedition; CT; CTD/Rosette; CTD-RO; DATE/TIME; DEPTH, water; Ecological Chemistry @ AWI; Element analyser CHNS; Event label; Gear; LATITUDE; LONGITUDE; Nitrogen, organic, particulate; Nitrogen, organic, particulate mass; Number; Polarstern; PS113; PS113_11-2; PS113_1-2; PS113_13-2; PS113_14-2; PS113_15-1; PS113_17-2; PS113_18-2; PS113_20-1; PS113_21-1; PS113_22-2; PS113_23-2; PS113_25-1; PS113_26-2; PS113_27-1; PS113_28-1; PS113_29-2; PS113_30-2; PS113_31-1; PS113_3-2; PS113_33-1; PS113_5-2; PS113_6-2; PS113_7-2; PS113_9-2; PS113-track; Replicates; Sample code/label; South Atlantic Ocean; Underway cruise track measurements; Volume
    Type: Dataset
    Format: text/tab-separated-values, 7190 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 17
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    Ecological boundaries constrain pro- and eukaryotic richness: from the ice edge to the equator in the Pacific Ocean (2018)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven | Supplement to: Raes, Eric J; Bodrossy, Levente; Van De Kamp, Jodie; Bissett, Andrew; Ostrowski, Martin; Brown, Mark; Sow, Swan Li San; Sloyan, Bernardette; Waite, Anya M (2018): Oceanographic boundaries constrain microbial diversity gradients in the South Pacific Ocean. Proceedings of the National Academy of Sciences, 201719335, https://doi.org/10.1073/pnas.1719335115
    Details
    Publication Date: 2023-03-16
    Description: Marine microbes along with micro eukaryotes are key regulators of oceanic biogeochemical pathways. Here we present a high-resolution (every 0.5° latitude) dataset describing microbial pro- and eukaryotic diversity, in the surface and just below the thermocline, along a 7000km transect from 66° S at the Antarctic ice edge to the equator in the South Pacific Ocean. The transect, conducted in Austral winter, covered key oceanographic features including crossing of the polar front (PF), the subtropical front (STF) and the equatorial upwelling region. Our data indicate that temperature does not determine patterns of marine microbial richness, complementing the global model data from Ladau, et al. (2013). Rather, NH4⁺ nanoplankton and primary productivity were the main drivers for archaeal and bacterial richness. Eukaryote richness was highest in the least productive ocean region, the tropical oligotrophic province. We also observed a novel diversity pattern in the South Pacific Ocean; a regional increase in archaeal and bacterial diversity between 10° S and the equator. Our data showed that the mean latitudinal ranges of archaea and bacteria decreased with latitude, thereby not confirming the Rapoport's rule. We show that permanent oceanographic features, such as the STF and the equatorial upwelling can have a significant influence on pro- and eukaryotic richness.
    Keywords: AWI_BioOce; Biological Oceanography @ AWI
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 18
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    Dissolved inorganic nutrients from POLARSTERN cruise PS113 (ANT-XXXIII/4), Punta Arenas - Bremerhaven, 2018-05-08 - 2018-06-11 (2021)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: This data was collected to investigate spatial differences in dissolved inorganic nutrient concentrations in surface waters of the Atlantic Ocean as part of the PS113 expedition. Water samples for dissolved inorganic nutrient concentrations including Nitrate, Silicate and Phosphate were filtered through a 0.2 µm syringe filter and stored at -80°C while at sea. Nutrient concentrations were assayed on an Evolution 3 Alliance Autoanalyser and calibrations were corrected for concentrations using certified reference material (CRM) 7602a (JAMSTEC; JAPAN) and MERCK STD (NIST-Standard). Concentrations were calculated by means of standard colorimetric techniques (Grasshoff, Kremling, & Ehrhardt, 2009).
    Keywords: Ammonium, inorganic, dissolved; ANT-XXXIII/4; AWI_BioOce; AWI_EcolChem; Biological Oceanography @ AWI; Calculated; Cruise/expedition; CT; DATE/TIME; DEPTH, water; Ecological Chemistry @ AWI; Identification; LATITUDE; LONGITUDE; Nitrate, inorganic, dissolved; Nitrogen, inorganic, dissolved; Nitrogen/Phosphorus ratio; Number; Nutrient analyser; Phosphorus, inorganic, dissolved; Polarstern; PS113; PS113-track; Replicates; Sample code/label; Silicate, inorganic, dissolved; Station label; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 2639 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 19
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    Ecological boundaries constrain pro- and eukaryotic richness at the surface: from the ice edge to the equator in the Pacific Ocean (2018)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2023-07-17
    Keywords: Ammonia; Archaeal richness; AWI_BioOce; Bacterial richness; Biological Oceanography @ AWI; Chlorophyll a, total; DATE/TIME; DEPTH, water; Diatoms, biomass; Dinoflagellates, biomass; Elevation of event; Eukaryotic richness; Event label; IN2016-V03; IN2016-V03_100; IN2016-V03_101; IN2016-V03_102; IN2016-V03_103; IN2016-V03_104; IN2016-V03_105; IN2016-V03_106; IN2016-V03_107; IN2016-V03_108; IN2016-V03_109; IN2016-V03_11; IN2016-V03_110; IN2016-V03_111; IN2016-V03_113; IN2016-V03_114; IN2016-V03_115; IN2016-V03_116; IN2016-V03_117; IN2016-V03_118; IN2016-V03_119; IN2016-V03_12; IN2016-V03_120; IN2016-V03_121; IN2016-V03_122; IN2016-V03_123; IN2016-V03_124; IN2016-V03_125; IN2016-V03_126; IN2016-V03_127; IN2016-V03_128; IN2016-V03_129; IN2016-V03_13; IN2016-V03_130; IN2016-V03_131; IN2016-V03_132; IN2016-V03_133; IN2016-V03_134; IN2016-V03_135; IN2016-V03_136; IN2016-V03_137; IN2016-V03_138; IN2016-V03_139; IN2016-V03_140; IN2016-V03_15; IN2016-V03_17; IN2016-V03_19; IN2016-V03_2; IN2016-V03_20; IN2016-V03_21; IN2016-V03_22; IN2016-V03_23; IN2016-V03_24; IN2016-V03_25; IN2016-V03_26; IN2016-V03_27; IN2016-V03_28; IN2016-V03_29; IN2016-V03_3; IN2016-V03_30; IN2016-V03_31; IN2016-V03_32; IN2016-V03_33; IN2016-V03_34; IN2016-V03_35; IN2016-V03_36; IN2016-V03_37; IN2016-V03_38; IN2016-V03_39; IN2016-V03_4; IN2016-V03_40; IN2016-V03_41; IN2016-V03_42; IN2016-V03_43; IN2016-V03_44; IN2016-V03_45; IN2016-V03_46; IN2016-V03_47; IN2016-V03_48; IN2016-V03_49; IN2016-V03_5; IN2016-V03_50; IN2016-V03_51; IN2016-V03_52; IN2016-V03_53; IN2016-V03_54; IN2016-V03_55; IN2016-V03_56; IN2016-V03_57; IN2016-V03_58; IN2016-V03_59; IN2016-V03_6; IN2016-V03_60; IN2016-V03_61; IN2016-V03_62; IN2016-V03_64; IN2016-V03_65; IN2016-V03_66; IN2016-V03_67; IN2016-V03_68; IN2016-V03_69; IN2016-V03_70; IN2016-V03_71; IN2016-V03_72; IN2016-V03_73; IN2016-V03_74; IN2016-V03_75; IN2016-V03_76; IN2016-V03_77; IN2016-V03_78; IN2016-V03_79; IN2016-V03_8; IN2016-V03_80; IN2016-V03_81; IN2016-V03_82; IN2016-V03_84; IN2016-V03_85; IN2016-V03_86; IN2016-V03_87; IN2016-V03_88; IN2016-V03_89; IN2016-V03_9; IN2016-V03_90; IN2016-V03_91; IN2016-V03_92; IN2016-V03_93; IN2016-V03_94; IN2016-V03_95; IN2016-V03_96; IN2016-V03_97; IN2016-V03_98; IN2016-V03_99; Investigator (2014); Latitude of event; Longitude of event; Mixed layer depth; Nitrate; Nitrite; Oxygen; Phosphate; Photoperiod, hours of daylight; Primary production; Ratio; Salinity; Sample code/label; Silicate; South Pacific Ocean; Temperature, water; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 2693 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 20
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    Physical and biochemical data and C-fixation rates in surface waters along 170°W (South Pacific Ocean) in 2016 (2017)
    PANGAEA
    Details
    Publication Date: 2023-07-17
    Description: At approximate every degree, water samples to measure C assimilation rates were taken from the clean underway flow through system (intake at 6m). Triplicate incubation bottles were inoculated with 20 µmol/L of NaH13CO3. All polycarbonate incubation bottles were acid rinsed three times, rinsed two times with deionized water, and rinsed three times with seawater directly from the sample point prior to incubation. Samples were incubated for 24 hours. C assimilation rates experiments were terminated by filtering each bottle (pressure drop 〈10 kPa) through a 25 mm precombusted GF/F filter. Natural abundance samples for particulate organic carbon, used as t-zero values, were obtained by filtering 4 L water samples onto pre-combusted GF/F filters. All filters were snap frozen in liquid N and stored at -80 °C. Back on land, the filters were acidified and dried overnight at 60 °C. Samples were analysed at the Isotopic Laboratory at UC Davis, California, with an Elementar Vario EL Cube or Micro Cube elemental analyser (Elementar Analysensysteme GmbH, Hanau, Germany), interfaced to a PDZ Europa 20-20 isotope ratio mass spectrometer (Sercon Ltd., Cheshire, UK). The external error of analyses was 0.2 per mil for d13C. C fixat assimilation ion rates (rho in nmol/L/h) were calculated following Dugdale and Goering (1967) and Knap et al. (1996).
    Keywords: Ammonia; AWI_BioOce; Biological Oceanography @ AWI; Carbon fixation rate; Chlorophyll a, total; CTD; DATE/TIME; DEPTH, water; Event label; IN2016-V03; IN2016-V03_100; IN2016-V03_101; IN2016-V03_102; IN2016-V03_103; IN2016-V03_104; IN2016-V03_105; IN2016-V03_106; IN2016-V03_107; IN2016-V03_108; IN2016-V03_109; IN2016-V03_11; IN2016-V03_110; IN2016-V03_111; IN2016-V03_113; IN2016-V03_114; IN2016-V03_115; IN2016-V03_116; IN2016-V03_117; IN2016-V03_118; IN2016-V03_119; IN2016-V03_12; IN2016-V03_120; IN2016-V03_121; IN2016-V03_122; IN2016-V03_123; IN2016-V03_124; IN2016-V03_125; IN2016-V03_126; IN2016-V03_127; IN2016-V03_128; IN2016-V03_129; IN2016-V03_13; IN2016-V03_130; IN2016-V03_131; IN2016-V03_132; IN2016-V03_133; IN2016-V03_134; IN2016-V03_135; IN2016-V03_136; IN2016-V03_137; IN2016-V03_138; IN2016-V03_139; IN2016-V03_140; IN2016-V03_15; IN2016-V03_17; IN2016-V03_19; IN2016-V03_2; IN2016-V03_20; IN2016-V03_21; IN2016-V03_22; IN2016-V03_23; IN2016-V03_24; IN2016-V03_25; IN2016-V03_26; IN2016-V03_27; IN2016-V03_28; IN2016-V03_29; IN2016-V03_3; IN2016-V03_30; IN2016-V03_31; IN2016-V03_32; IN2016-V03_33; IN2016-V03_34; IN2016-V03_35; IN2016-V03_36; IN2016-V03_37; IN2016-V03_38; IN2016-V03_39; IN2016-V03_4; IN2016-V03_40; IN2016-V03_41; IN2016-V03_42; IN2016-V03_43; IN2016-V03_44; IN2016-V03_45; IN2016-V03_46; IN2016-V03_47; IN2016-V03_49; IN2016-V03_5; IN2016-V03_50; IN2016-V03_51; IN2016-V03_52; IN2016-V03_53; IN2016-V03_54; IN2016-V03_55; IN2016-V03_56; IN2016-V03_57; IN2016-V03_58; IN2016-V03_59; IN2016-V03_6; IN2016-V03_60; IN2016-V03_61; IN2016-V03_62; IN2016-V03_64; IN2016-V03_65; IN2016-V03_66; IN2016-V03_67; IN2016-V03_68; IN2016-V03_69; IN2016-V03_70; IN2016-V03_71; IN2016-V03_72; IN2016-V03_73; IN2016-V03_74; IN2016-V03_75; IN2016-V03_76; IN2016-V03_77; IN2016-V03_78; IN2016-V03_79; IN2016-V03_8; IN2016-V03_80; IN2016-V03_81; IN2016-V03_82; IN2016-V03_84; IN2016-V03_85; IN2016-V03_86; IN2016-V03_87; IN2016-V03_88; IN2016-V03_89; IN2016-V03_9; IN2016-V03_90; IN2016-V03_91; IN2016-V03_92; IN2016-V03_93; IN2016-V03_94; IN2016-V03_95; IN2016-V03_96; IN2016-V03_97; IN2016-V03_98; IN2016-V03_99; Investigator (2014); LATITUDE; LONGITUDE; Mixed layer depth; Nitrate; Nitrite; Oxygen; Phosphate; Salinity; Silicate; South Pacific Ocean; Temperature, water; Water sample; WS
    Type: Dataset
    Format: text/tab-separated-values, 2013 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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