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  • PANGAEA  (69)
  • Elsevier  (6)
  • American Geophysical Union
  • Wiley-Blackwell
  • 2020-2024  (76)
  • 2005-2009
  • 2023  (76)
Collection
Keywords
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  • 2020-2024  (76)
  • 2005-2009
Year
  • 1
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    Chemical composition of Pacific manganese nodules and crusts analyzed at Scripps Institution of Oceanography using X-ray emission spectrometry (2023)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Description: Manganese nodules, crusts and micronodules from dredges and cores were retrieved during campaign DM14 of R/V Dmitry Mendeleev in the Pacific Ocean. Their chemical composition was determined either by wet chemistry, atomic absorption spectroscopy or neutron activation depending upon the chemical element.
    Keywords: Aluminium; Antimony; Atomic absorption spectroscopy; Barium; Cerium; Cobalt; Copper; Deposit type; DEPTH, sediment/rock; DM14; DM14-1003; DM14-1005; DM14-1006; DM14-1007; DM14-1019-1; DM14-1024-3; DM14-1058; DM14-981-2; DM14-983; DM14-984-1; DM14-985; DM14-987-3; DM14-989; DM14-989-2; DM14-992-1; DM14-992-2; DM14-993-3; DM14-994; DM14-995; DM14-996; Dmitry Mendeleev; Elevation of event; Europium; Event label; GC; Geochemistry; Grab; GRAB; Gravity corer; Hafnium; Identification; Iron; Lanthanum; Latitude of event; Lead; Longitude of event; Manganese; manganese micronodule; manganese nodule; Neutron activation analysis; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; ocean; Origin; Pacific Ocean; Quantum emission spectrography; Sample type; Scandium; sediment; Sediment type; Silicon; Size; Southeast Pacific; Thorium; Titanium; Vanadium; Water in rock; Wet chemistry; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 2159 data points
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    DATA PANGAEA
  • 2
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    FUN Azores: A trait database for the marine species of the ridges, seamounts, and hydrothermal vents of the Azores, NE Atlantic (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: Trait-based approaches that complement taxonomic-based studies have increased in popularity among the scientific community over the last decades. The collection of biological and ecological characteristics of species (i.e., traits) provides insight into species and ecosystem vulnerability to environmental and anthropogenic changes, as well as ecosystem functioning. While most of the available trait databases to date contain essential information to understand the functional diversity of a taxonomic group or functional group based on size, the FUN Azores trait database has an ecosystem-based approach that provides a comprehensive assessment of diverse fauna (meio-, macro-, and megafauna) from benthic and pelagic environments in the Azores Marine Park; including ridges, seamounts, and hydrothermal vents. We used a collaborative approach involving 30 researchers with different expertise to develop the trait database; which contains compiled data on 14 traits representing morphological, behavioral, and life history characteristics for 1210 species, across 10 phyla.
    Keywords: Azores; Azores_FUNTraits_2023; FunAzores; functional diversity; Functional traits and ecological processes in the Azores Marine Park : Understanding the biodiversity-ecosystem functioning; hydrothermal deep sea vent; Literature search; Literature survey; Marine Protected Area (MPA); Seamount; trait-based ecology; trait diversity; trait ecology
    Type: Dataset
    Format: text/plain, 1.6 MBytes
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  • 3
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    Video observations of a bathypelagic cirrate octopod Cirroteuthis muelleri (2023)
    PANGAEA
    Details
    Publication Date: 2024-07-01
    Description: These data are video observations of a bathypelagic cirrate octopod C. muelleri performed by remote operating vehicles (ROVs) and PELAGIOS towed camera system. Supplementary videos 1, 2 and 8 were recorded by ROV 'Aurora Borealis' during the cruise on R/V 'Kronprins Haakon' in the Fram Strait in October 2021. Supplementary videos 15–18 were recorded by PELAGIOS during the cruise PS126 on R/V 'Polarstern' in the Fram Strait in May and June 2021. Supplementary video 3 was recorded by ROV 'PHOCA' during the cruise PS121 on R/V 'Polarstern' in the Fram Strait in August 2019. Supplementary videos 9–14 were recorded by PELAGIOS during the cruise PS121 on R/V 'Polarstern' in the Fram Strait in August and September 2019. Supplementary videos 4–7 were recorded by ROV 'KIEL6000' during the SO276 cruise on R/V 'Sonne' off the Iceland–Faroe Ridge in July 2020. Supplementary videos 19–22 were recorded by ROV 'KIEL6000' during the SO276 cruise on R/V 'Sonne' off the Iceland–Faroe Ridge in June and July 2020. Majority of the videos (Supplementary videos 9–22) were recorded during the routine transects. Supplementary videos 1–8 are recorded when cirrate octopods were accidentally encountered on the seafloor.
    Keywords: ArCeph; Arctic; Area/locality; Behaviour; Bottom water temperature; Campaign of event; Cephalopoda; DATE/TIME; Depth, bathymetric, maximum; Depth, bathymetric, minimum; DEPTH, water; Description; Device type; drifting; EG-IV; Event label; GPF 20-1_021; HACON21; HACON21_003_1; HACON21_019_1; Iceland Sea, Arctic Ocean; In situ; Kronprins Haakon; LATITUDE; locomotion; LONGITUDE; MerMet 17-6; North Greenland Sea; Norwegian Sea, Arctic Ocean; OFOBS; Pelagic In situ Observation System PELAGIOS; PELAGIOS; Platform; Polarstern; predator; PS121; PS121_11-2; PS121_32-8; PS121_41-10; PS121_43-9; PS121_6-1; PS126; PS126_20-7; PS126_2-9; Remote operated vehicle Aurora borealis; Remote operated vehicle KIEL 6000; Remote operated vehicle PHOCA; ROV; ROV_KIEL6000; ROVAB; ROVPH; S3; SO276; SO276_37-1; SO276_4-1; SO276_54-1; Sonne_2; Tracking impacts of climate change in the Arctic marine ecosystems through cephalopod diversity and life histories; Video, under water; Video, under water (File Size); Video identification
    Type: Dataset
    Format: text/tab-separated-values, 193 data points
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  • 4
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    Chemical composition of manganese deposits from western Kiribati (Gilbert Islands) (2023)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Description: 11 stations were occupied during the survey carried out by CCOP/SOPAC on the UNDP charter vessel MACHIAS over an area southeast of Tarawa, western Kiribati. Retrieved manganese nodules and coating were analysed at the Australian Mineral Development Laboratories using atomic absorption methods following a drying period at 110°C.
    Keywords: Aluminium oxide; Atomic absorption spectroscopy; Calcium oxide; Cobalt; Copper; Deposit type; DEPTH, sediment/rock; Elevation of event; Event label; FFGR; Free-fall grab; Geochemistry; Identification; Iron; KI-79(1); KI-79(1)-FFG12; KI-79(1)-FFG13; KI-79(1)-FFG16; KI-79(1)-FFG19; KI-79-1; Latitude of event; Lead; Longitude of event; Machias; Manganese; manganese micronodule; manganese nodule; Molybdenum; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; ocean; Pacific Ocean; sediment; Silicon dioxide; Station 10; Station 6; Station 7; Station 8; Water in rock; Wet chemistry; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 84 data points
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  • 5
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    Electron microprobe analysis of selected manganese nodules from the Southwestern Pacific Basin (2023)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Description: Four manganese nodules collected south and southwest of Rarotonga one of the Cook Islands were subjected to microprobe analysis in order to determine variations in chemical composition between the concentric laminations making up the nodules. Nodules of maximum diameter of about 2.5 cm or less were selected so that the entire nodule could be sectioned for one probe mount. Probe mounts were prepared by vacuum embedding in cold-setting, clear-casting resin. Cutting and polishing were then performed using standard polished section techniques. The electron microprobe mounts were examined with a reflected light microscope in the microprobe, and 2 micrometer spots were selected for analysis along a line of traverse going through the centre (nucleus) of the nodule. Due to the fact that optically-reflective metal-rich layers were selected for analysis and darker detrital inclusions and silicate-rich layers were not analysed here the microprobe values are generally higher for Mn, Ni, Cu and Co, and lower for Fe, than the bulk chemical analyses.
    Keywords: Aluminium; Calcium; Cobalt; Copper; Deposit type; DEPTH, sediment/rock; Dredge; DRG; Electron microprobe (EMP); Elevation of event; Event label; Geochemistry; Identification; Iron; Latitude of event; Longitude of event; Magnesium; Manganese; manganese micronodule; manganese nodule; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; NZOI-Tangaroa_22; ocean; Potassium; sediment; Shape; Silicon; South Pacific Ocean; TANG22-G1006B; TANG22-G1007; TANG22-G992A; TANG22-G995; Tangaroa (1960); Texture; Titanium; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 483 data points
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    DATA PANGAEA
  • 6
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    Major element analyses of manganese nodules from the Southwestern Pacific Basin (2023)
    PANGAEA
    Details
    Publication Date: 2023-08-28
    Description: Initial attempts to classify the composition of manganese nodules in the Pacific Ocean illustrated the paucity of data for the Southwestern Pacific Basin. Recent major element analyses of 16 manganese nodules from different stations in the Southwestern Pacific Basin collected during the 1974 R. V. Tangaroa cruise are presented. They have shown high contents of elements associated with the silicate phase of nodules (36—54% as oxides on a dry weight basis). The high contents o f the elements may be due to the incomplete replacement of the volcanic nuclei of the nodules by iron-manganese oxides in the initial stages of nodule formation. Some elements (e.g. Na, Mg, Si and Ti) show particularly wide variations in composition in these nodules. Chemical analyses were performed on bulk nodule samples (including nucleus) using X-ray fluorescence spectrometry. Samples were ground in a SFEX mill grinder and ignited at 1000°C in a Pt crucible to drive off volatiles. They were then reduced to a glass bead and reground for analysis.
    Keywords: Aluminium; Calcium; Cobalt; Copper; Deposit type; DEPTH, sediment/rock; Dredge; DRG; Electron microprobe (EMP); Elevation of event; Event label; Geochemistry; Identification; Iron; Latitude of event; Longitude of event; Magnesium; Manganese; manganese micronodule; manganese nodule; Nickel; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; NZOI-Tangaroa_22; ocean; Potassium; sediment; Shape; Silicon; South Pacific Ocean; TANG22-G1006B; TANG22-G1007; TANG22-G992A; TANG22-G995; Tangaroa (1960); Texture; Titanium; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 483 data points
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  • 7
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    The link between climate change and biodiversity of lacustrine inhabitants and terrestrial plant communities of the Uvs Nuur Basin (Mongolia) during the last three millennia (2023)
    PANGAEA
    Details
    Publication Date: 2023-12-19
    Description: In August 2016 the lacustrine sediment core was obtained from lake Bayan Nuur one of the northern lakes in the Great Lake Depression of Mongolia. Exact location of coring site (50.01072 N, 93.9745 E; 932 m a.s.l.) was in a water depth of 29 m at the deepest part of the lake. Corning was performed by small platform using a 60-mm gravity corer UWITEC. A 112-cm-long sediment core (BN2016-1) was studied by number of proxies including: radiocarbon dating, geochemical, pollen, diatoms and cladocera analyses. Acquired data were used for numerical analyses such as biomization, reconstruction of annual precipitation rate based on pollen data and reconstruction mean July temperature based on chironomid data, additionally was evaluated past biodiversity of the lake's microflora and microfauna using Hill numbers (Hill, 1973) based on all bioproxies data (pollen, diatoms, cladoceran, and chironomids). Six AMS radiocarbon measurements for bulk sediment samples were used for calibration and the age modeling. The average sediment accumulation rate is estimated at 0.37 mm/year. The reservoir effect calculated as 736 years was subtracted from the age-depth model. Core BN2016-1 covers the last 2885 cal. years BP.
    Type: Dataset
    Format: application/zip, 8 datasets
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  • 8
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    Physical and chemical properties of different summer sea-ice types, sea water and precipitation in the Eurasian basin during the CAATEX 2019 cruise (2023)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Description: The physical properties of sea ice, including salinity, sea ice temperature, and sea ice texture as well as isotopic composition (oxygen and hydrogen) were analyzed from samples collected on the CAATEX 2019 expedition to the central Arctic Ocean (between North Pole and Svalbard) in late summer 2019. In addition, isotope samples were collected from precipitation, melt ponds, and under-ice seawater. Data was collected to understand the formation mechanisms of sea ice in the area. Ice cores were collected with an ice corer, and measurements (temperature) were directly carried out from ice cores after retrieval. From an additional ice core, samples (salinity and isotopes) were collected and melted onboard. Salinity of samples was measured onboard using a conductivity probe, while samples for isotopic composition were placed in sample bottles and measured at the FARLAB (University of Bergen) after the expedition . A complete ice core was brought back for texture analysis of the sea ice and processed at the freezer lab at the Norwegian Polar Institute. Texture was examined by first slicing ice samples very thin by use of a microtome. These thin ice slices were observed in polarized light that reveals the crystal structure of the ice. This data includes the photographs taken of the ice cores in natural light and in polarized light.
    Keywords: Arctic Ocean; CAATEX; Coordinated Arctic Acoustic Thermoetry Experiment; INTAROS; Integrated Arctic observation system; meteorology; precipitation; Salinity; Sea ice; sea water; stable water isotopes; Stratigraphy; Temperature; Texture
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 9
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    Drill-hole ridge ice and snow thickness and draft measurements of "Fort Ridge" during MOSAiC 2019/20 (2023)
    PANGAEA
    Details
    Publication Date: 2024-01-09
    Description: Snow and first-year sea ice ridge thickness, draft and morphology were measured using a 2-inch ice drilling auger (Kovacs Enterprises) during walking surveys on first-year ice ridge during the MOSAiC expedition. Drilling was performed during January and February 2020 across three drilling transects located 20 m from each other. The investigated "Fort Ridge" was formed from late September to early October 2019 between second- and first-year ice. It was approximately 90–100 m long and 20–30 m wide. The ridge was located on drifting sea ice in the Arctic Ocean within the Central Observatory of MOSAiC. The table contains the event label (1), event ID (2), time (3), and global coordinates (4,5) of each drilling measurement. Each separate drilling hole has its number indicating cross-section and number within cross-section (6), and local coordinate X (7) in [m] and transect name (8). Global coordinates are given for the local coordinates of X = 22 m at the transect 1. For each drill hole, the depth relative to the waterline of the top (9) and bottom (10) interface of each separate layer is given together with its ice type (11). Ice types include snow, ice (with various resistance), and voids. Information about missing freeboard measurements is given in comments (12). In the case of no freeboard measurement, it was assumed as 10% of the maximum keel draft. The drill hole with local coordinates of X = 22 m at the transect 1 coincides with the ice mass balance buoy 2020T60 installation described in doi:10.1594/PANGAEA.924269. These measurements were performed as part of the project Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean (HAVOC), funded by the Research Council of Norway, project number: 280292).
    Keywords: Arctic Ocean; Comment; DATE/TIME; Depth, relative; Description; Distance, relative, X; Event label; HAVOC; ICEDRILL; Ice drill; Identification; LATITUDE; LONGITUDE; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Polarstern; Position; PS122/2; PS122/2_19-147; PS122/2_20-81; PS122/2_21-102; PS122/2_24-104; Ridges - Safe HAVens for ice-associated Flora and Fauna in a Seasonally ice-covered Arctic OCean; sea ice draft; Sea ice thickness; snow depth; Transect
    Type: Dataset
    Format: text/tab-separated-values, 2258 data points
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  • 10
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    Mesozooplankton abundance during Hakon Mosby cruise to Fram Strait in 1987 (MIZEX87) (2023)
    PANGAEA
    Details
    Publication Date: 2024-01-31
    Description: Abundances of the life stages of zooplankton taxa were calculated in the Arctic Ocean during the Hakon Mosby cruise to Fram Strait in 1987. Samples were collected in obliquely hauled nets with a 1m diameter mesh size: 118 µm). The water volume filtered was measured with a flowmeter attached in the net. Further details on sampling and analysis methodology can be found at Smith et al. (1988). The zooplankton samples were taken as part of the international Marginal Ice Zone Experiment (MIZEX) that was designed to study the atmospheric, oceanic, and ice interactions in the Fram Strait region of the Greenland Sea.
    Keywords: Amphipoda; Appendicularia; Calanoida, copepodites; Calanus finmarchicus, c1; Calanus finmarchicus, c2; Calanus finmarchicus, c3; Calanus finmarchicus, c4; Calanus finmarchicus, c5; Calanus finmarchicus, female; Calanus finmarchicus, male; Calanus glacialis, c1; Calanus glacialis, c2; Calanus glacialis, c3; Calanus glacialis, c4; Calanus glacialis, c5; Calanus glacialis, female; Calanus glacialis, male; Calanus hyperboreus, c1; Calanus hyperboreus, c2; Calanus hyperboreus, c3; Calanus hyperboreus, c4; Calanus hyperboreus, c5; Calanus hyperboreus, female; Calanus hyperboreus, male; Chaetognatha, juvenile; Comment; Copepoda; Copepoda, nauplii; DATE/TIME; Depth, bottom/max; Depth, top/min; DEPTH, water; Eukrohnia hamata; Euphausiacea; Euphausiacea, calyptopis; Euphausiacea, furcilia; Euphausiacea, juvenile; Euphausiacea, nauplii; Event label; Fram Strait; Håkon Mosby; Harpacticoida; HM87/3; HM87/3_001; HM87/3_002; HM87/3_003; HM87/3_004; HM87/3_005; HM87/3_006; HM87/3_007; HM87/3_008; HM87/3_009; HM87/3_010; HM87/3_011; HM87/3_012; HM87/3_013; HM87/3_014; HM87/3_015; HM87/3_016; HM87/3_017; HM87/3_018; HM87/3_020; HM87/3_021; HM87/3_022; HM87/3_023; HM87/3_024; HM87/3_025; HM87/3_026; HM87/3_027; HM87/3_029; HM87/3_031; HM87/3_063; HM87/3_064; HM87/3_065; HM87/3_066; HM87/3_067; HM87/3_068; HM87/3_070; HM87/3_NT; LATITUDE; LONGITUDE; Meroplankton; Metridia longa, c1-c3; Metridia longa, c4; Metridia longa, c5; Metridia longa, female; Metridia longa, male; Microcalanus spp.; Net; NET; Oithona spp.; Oncaeidae; Ostracoda; Parasagitta elegans; Pseudocalanus minutus, c4; Pseudocalanus minutus, c5; Pseudocalanus minutus, female; Pseudocalanus minutus, male; Pseudocalanus spp., c1-c3; Scolecithricella spp.; Zooplankton; Zooplankton, gelatinous; Zooplankton, other
    Type: Dataset
    Format: text/tab-separated-values, 3876 data points
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