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  • Data  (15)
  • 2020-2024  (15)
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  • 1
    Publication Date: 2023-01-30
    Description: A total of 35 samples from the late-middle Eocene to earliest Oligocene (643.73-520.88 mbsf) were analysed for their pollen and spore content. Slides were analysed using a Leica DM500 and Leica DM2000 transmitted light microscopes at 200x and 1000x magnification. Where possible, counts of 300 (excluding reworked grains) sporomorphs were made. Only samples containing 50 or more in situ sporomorphs were used for further analysis and evaluation. Sporomorph diversity was measured using both the Shannon–Wiener index and the observed number of taxa. A rarefaction method for sums of ≥50 and ≥100 grains was applied, so that the effect caused by differences in the sample size may be removed allowing the estimation of the number of sporomorph species at a constant sample size. Detrended Correspondence Analysis (DCA) was performed, with downweighting of rare species by removing pollen types whose representation is 〈5%. Estimates for terrestrial mean annual temperature (MAT), mean annual precipitation (MAP), warmest month mean temperature (WMMT) and coldest month mean temperature (CMMT) were obtained using the NLR approach in conjunction with the Probability Density Function (PDF) method.
    Keywords: Antarctica; Drake Passage; Eocene-Oligocene Transition; palynology
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 2
    Publication Date: 2023-06-27
    Keywords: 113-696B; Acaena spp.; AGE; Alisporites cf. Australis; Antarctica; Araucariacites australis; Arecipites spp.; Baculatisporites comaumensis; Beaupreaidites cf. verrucosus; Beaupreaidites diversiformis; Camarozonosporites sp.; Ceratosporites cf. equalis; Chenopodipollis chenopodiaceoides; Clavatipollenites ascarinoides; Coptospora archangelskyi; Counting, light microscope; Cupanieidites orthoteichus; Cyathidites australis; Cyathidites minor; Cyathidites splendens; Cyathidites subtilis; Dacrydiumites florinii; DEPTH, sediment/rock; Dictyophyllidites arcuatus; Dilwynites granulatus; Drake Passage; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Eocene-Oligocene Transition; Ericipites cf. scabratus; Foveotriletes lacunosus; Gleicheniidites spp.; Integricorpus sp.; Ischyosporites gremius; Joides Resolution; Laevigatosporites major; Laevigatosporites ovatus; Lateropora glabra; Leg113; Ligulifloridites sp.; Liliacidites intermedius; Lymingtonia cf. cenozoica; Malvacipollis cf. subtilis; Microalatidites paleogenicus; Microcachryidites antarcticus; Monolites alveolatus; Myricipites harrisii; Myrtaceidites cf. mesonesus; Nothofagidites asperus complex; Nothofagidites brachyspinulosus complex; Nothofagidites emarcidus complex; Nothofagidites flemingii; Nothofagidites lachlaniae complex; Nothofagidites rocaensis complex; Nothofagidites spp.; Osmundacidites cf. wellmanii; palynology; Parsonsidites psilatus; Peninsulapollis gillii; Periporopollenites polyoratus; Peromonolites cf. densus; Phyllocladidites cf. mawsonii; Phyllocladidites mawsonii; Podocarpidites cf. exiguus; Podocarpidites marwickii complex; Podocarpidites rugulatus complex; Podocarpidites spp.; Podosporites cf. brevisaccatus; Podosporites cf. ohikaensis; Podosporites parvus; Pollen and spores; Polycolporopollenites; Polypodiisporites cf. radiatus; Proteacidites adenanthoides; Proteacidites cf. amolosexinus; Proteacidites cf. Lewalanipollis trycheros; Proteacidites cf. Scabratriporites spp.; Proteacidites minimus; Proteacidites obscurus; Proteacidites parvus; Proteacidites reticuloscabratus; Proteacidites scaboratus; Proteacidites sp.; Proteacidites spiniferus; Proteacidites tenuiexinus; Proteacidites tuberculatus; Retitriletes spp.; Rugulatisporites spp.; Sample code/label; Scabramonoletes; Sparganiaceaepollenites barungensis; Stereisporites antiquasporites; Stereisporites regium; Trichotomosulcites subgranulatus; Tricolpites cf. asperamarginis; Tricolpites cf. brevicolpus; Tricolpites cf. delicatulus; Tricolpites fissilis; Tricolpites inargutus; Tricolpites lilliei; Tricolpites reticulatus; Tricolpites sp.; Tricolpites spp.; Tricolporites cf. scabratus; Tricolporites sp.; Triorites sp.; Tripunctisporis maastrichtiensis; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 3535 data points
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  • 3
    Publication Date: 2023-06-27
    Keywords: 113-696B; AGE; Antarctica; Biretisporites cf. labruplenus; Brevitriletes bulliensis; Brevitriletes sp.; Calamospora spp.; Cibotiumspora cf. intrastriatus; Cicatricosisporites sp.; Classopollis spp.; Clavatipollenites hughesii; Coptospora striata; Counting, light microscope; Cyatheacidites annulatus; DEPTH, sediment/rock; Dictyophyllidites cf. harrisii; Drake Passage; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Eocene-Oligocene Transition; Granulatisporites trisinus; Joides Resolution; Leg113; Leptolepidites verrucatus; Lycopodiacidites cf. bullerensis; Lycopodiacidites cristatus; Lycopodiumsporites pseudoreticulatus; palynology; Pollen, bisaccate undifferentiated; Pollen and spores; Protohaploxypinus cf. samoilovichii; Protohaploxypinus spp.; Retitriletes cf. eminulus; Retitriletes cf. reticulumsporites; Rugulatisporites cf. trisinus; Sample code/label; Spores, trilete undifferentiated; Tricolpites cf. pachyexinus; Trilites verrucatus; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 945 data points
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  • 4
    Publication Date: 2023-06-27
    Keywords: 113-696B; AGE; Antarctica; Calculated; Correspondance analysis factor; DEPTH, sediment/rock; Detrended Correspondence Analysis; Drake Passage; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Eocene-Oligocene Transition; Joides Resolution; Leg113; palynology; Precipitation, annual mean; Precipitation, annual mean, standard deviation; Rarefaction; Sample code/label; Shannon Diversity Index; Temperature, annual mean; Temperature, annual mean, standard deviation; Temperature, coldest month; Temperature, coldest month, standard deviation; Temperature, warmest month; Temperature, warmest month, standard deviation; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 368 data points
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  • 5
    Publication Date: 2023-07-11
    Description: Zooplankton (amphipod and copepod) were collected using nets in the Fram Strait and the Arctic, in July 2018 and August 2019 for microplastic analysis. Water samples were also collected from the underway system and CTD alongside the August 2019 zooplankton samples (https://doi.pangaea.de/10.1594/PANGAEA.950239). All samples were initially digested using a homogenising solution and then filtered in preparation for Fourier Transform Infrared spectroscopy (FTIR) analysis in combination with an automated polymer identification approach (SIMPLE software) to identify polymer types, shape and size. Microplastics were also visualised using a microscope to further determine shape and size, particularly of fibres. Data collected on the microplastics found includes polymer type, shape, size, species ingestion and location.
    Keywords: Amphipoda; Arctic; Bioavailability; BONGO; Bongo net; copepod; CTD/Rosette; CTD-RO; Depth, bottom/max; Depth, top/min; Event label; Fourier Transform Infrared spectroscopy (FTIR) in combination with automated polymer identification [SIMPLE software]; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; FTIR SIMPLE software; James Clark Ross; JR18007; JR18007_11; JR18007_130; JR18007_57; JR18007_97; LATITUDE; Length, maximal; Light frame on-sight keyspecies investigation; LOKI; LONGITUDE; marine litter; microplastic ingestion; Microplastics; MSN; MSN150; Multiple opening/closing net; Multiple opening/closing net, 150 µm meshsize; Number of individuals; PARCA; Particle camera; Plastic pollution; Polarstern; Polymer; PS114; PS114_4-1; PS114_4-2; PS114_4-5; PS114_4-6; PS114_46-7; PS114_46-8; PS114_4-7; PS114_4-8; PS114_4-9; PS114_9-3; PS114_9-4; PS114_9-5; Quality level; Sample ID; Size fraction; Species; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Type
    Type: Dataset
    Format: text/tab-separated-values, 704 data points
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  • 6
    Publication Date: 2023-07-11
    Description: This dataset presents microplastics in water samples collected from the underway system and CTD alongside the August 2019 zooplankton samples presented in https://doi.pangaea.de/10.1594/PANGAEA.950296. These samples were initially digested using a homogenising solution and then filtered in preparation for Fourier Transform Infrared spectroscopy (FTIR) analysis in combination with an automated polymer identification approach (SIMPLE software) to identify polymer types, shape and size. Microplastics were also visualised using a microscope to further determine shape and size, particularly of fibres. Data collected on the microplastics found includes; polymer type, shape, size, species ingestion and location.
    Keywords: Amphipoda; Arctic; Bioavailability; BONGO; Bongo net; copepod; DEPTH, water; Event label; Fourier Transform Infrared spectroscopy (FTIR) in combination with automated polymer identification [SIMPLE software]; FRAM; Fram Strait; FRontiers in Arctic marine Monitoring; FTIR SIMPLE software; James Clark Ross; JR18007; JR18007_11; JR18007_57; JR18007_60; JR18007_75; JR18007_97; LATITUDE; Length, maximal; LONGITUDE; marine litter; microplastic ingestion; Microplastics; MSN150; Multiple opening/closing net, 150 µm meshsize; Plastic pollution; Polymer; Quality level; Size fraction; Type
    Type: Dataset
    Format: text/tab-separated-values, 368 data points
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  • 7
    Publication Date: 2023-08-28
    Description: Solid layered hydrothermal deposits have been retrieved using submersible ALVIN robotic arm over the Mid-Atlantic Ridge TAG field. These samples were analysed using Atomic absorption spectrometry (AAS) for their chemical composition and X-ray diffraction (XRD) to determine their mineralogy.
    Keywords: AL12430; AL12440; AL12470; Aluminium; ALV1243; ALV-1243; ALV1244; ALV-1244; ALV1247; ALV-1247; ALV-1247-2; Alvin; Atomic absorption spectrometry (AAS); Calcium; Cobalt; DEPTH, sediment/rock; Elevation of event; Event label; Geochemistry; Grab; GRAB; Identification; Iron; Latitude of event; Longitude of event; Loss of weight after drying at 110°C for 12h; Magnesium; Manganese; manganese micronodule; manganese nodule; Mid-Atlantic Ridge; Minerals; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; ocean; Potassium; Sample type; sediment; Silicon; Titanium; Water in rock; X-ray diffraction (XRD)
    Type: Dataset
    Format: text/tab-separated-values, 56 data points
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  • 8
    Publication Date: 2023-08-28
    Description: As a part of a continuing study of the distribution and abundance of tellurium in various materials of the earth's crust, analyses were made of 12 samples of manganese nodules from the Pacific and Indian Ocean. The quantitative determination of tellurium is based on the induced precipitation of elemental gold from a 6NHCl solution containing gold chloride, cupric chloride, and hypophosphorous acid; the amount of gold reduced is proportional to the amount of tellurium present. As little as 1 nanogram (1 × 10-9 g) of tellurium gives a measurable reaction with 1 mg of gold in 50 ml of solution.
    Keywords: ALB-13; ALB-173; Albatross (1882-1921); Albatross1899-1900; Albatross1904-1905; ALBTR-13; ALBTR-173; ALBTR-4662; Atlantic Ocean; CRU9121; Deposit type; DEPTH, sediment/rock; DNWB0ABD; DOWNWIND-B1; DOWNWIND-H; Dredge; Dredge, chain bag; Dredge, rock; DRG; DRG_C; DRG_R; DWBD1; DWHD16; DWHD47; Elevation of event; Event label; FANB01BD; FANBD-25D; FANFARE-B; Geochemistry; Horizon; Identification; Latitude of event; Longitude of event; manganese micronodule; manganese nodule; MDPC02HO-MP-025F-1; MDPC02HO-MP-033K; MIDPAC; MPC-25F-1; MPC-33K; NAGA; NAGA10C; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; ocean; Pacific Ocean; Photo/Video; PV; sediment; Spencer F. Baird; Stranger; Tellurium; TRAWL; Trawl net; V14; V14-35BT; Vema; Wet chemistry
    Type: Dataset
    Format: text/tab-separated-values, 36 data points
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  • 9
    Publication Date: 2024-03-23
    Keywords: Calanus; File format; File name; File size; foraging habitat; interannual variability; North Atlantic right whale; Uniform resource locator/link to file; Zooplankton
    Type: Dataset
    Format: text/tab-separated-values, 20 data points
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  • 10
    Publication Date: 2024-03-15
    Description: We conducted an experiment with large volume in situ mesocosms (~55–60 m3 and 21 m depth) in Raunefjord (Bergen), Norway in 2015 to investigate how ocean acidification (OA) extreme events affect food web structure and carbon export in a natural plankton community, particularly focusing on the keystone species Oikopleura dioica, a globally abundant appendicularian.
    Keywords: Abundance per volume; Alkalinity, total; Animalia; Aragonite saturation state; Area/locality; Bicarbonate ion; Biomass/Abundance/Elemental composition; Calcite saturation state; Calculated using seacarb after Nisumaa et al. (2010); Carbon, inorganic, dissolved; Carbon, organic, particulate, flux; Carbon, organic, particulate, suspended; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Chordata; Coast and continental shelf; Community composition and diversity; Counting; DATE/TIME; Day of experiment; Elemental analyser; Entire community; Event label; Field experiment; Flow cytometry Accuri C6; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Growth/Morphology; KOSMOS_2015; KOSMOS_2015_Mesocosm-M1; KOSMOS_2015_Mesocosm-M2; KOSMOS_2015_Mesocosm-M3; KOSMOS_2015_Mesocosm-M4; KOSMOS_2015_Mesocosm-M5; KOSMOS_2015_Mesocosm-M6; KOSMOS_2015_Mesocosm-M7; KOSMOS_2015_Mesocosm-M8; KOSMOS Bergen; Length; MESO; Mesocosm experiment; Mesocosm label; Mesocosm or benthocosm; Microphytoplankton, biomass as carbon; Nanophytoplankton, biomass as carbon; North Atlantic; OA-ICC; Ocean Acidification International Coordination Centre; Oikopleura dioica; Other studied parameter or process; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH; Phosphate; Picophytoplankton, biomass as carbon; Salinity; Silicate; Single species; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Temperate; Temperature, water; Treatment: partial pressure of carbon dioxide; Type of study; Zooplankton
    Type: Dataset
    Format: text/tab-separated-values, 5405 data points
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