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  • 2005-2009  (325)
  • 1935-1939  (31)
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  • 1
    facet.materialart.
    Unknown
    PANGAEA
    In:  Supplement to: Storz, David; Schulz, Hartmut; Waniek, Joanna J; Schulz-Bull, Detlef; Kucera, Michal (2009): Seasonal and interannual variability of the planktic foraminiferal flux in the vicinity of the Azores Current. Deep Sea Research Part I: Oceanographic Research Papers, 56(1), 107-124, https://doi.org/10.1016/j.dsr.2008.08.009
    Publication Date: 2023-01-13
    Description: Planktic foraminiferal (PF) flux and faunal composition from three sediment trap time series of 2002-2004 in the northeastern Atlantic show pronounced year-to-year variations despite similar sea surface temperature (SST). The averaged fauna of the in 2002/2003 is dominated by the species Globigerinita glutinata, whereas in 2003/2004 the averaged fauna is dominated by Globigerinoides ruber. We show that PF species respond primarily to productivity, triggered by the seasonal dynamics of vertical stratification of the upper water column. Multivariate statistical analysis reveals three distinct species groups, linked to bulk particle flux, to chlorophyll concentrations and to summer/fall oligotrophy with high SST and stratification. We speculate that the distinct nutrition strategies of strictly asymbiontic, facultatively symbiontic, and symbiontic species may play a key role in explaining their abundances and temporal succession. Advection of water masses within the Azores Current and species expatriation result in a highly diverse PF assemblage. The Azores Frontal Zone may have influenced the trap site in 2002, indicated by subsurface water cooling, by highest PF flux and high flux of the deep-dwelling species Globorotalia scitula. Similarity analyses with core top samples from the global ocean including 746 sites from the Atlantic suggest that the trap faunas have only poor analogs in the surface sediments. These differences have to be taken into account when estimating past oceanic properties from sediment PF data in the eastern subtropical North Atlantic.
    Keywords: GeoTü; L1_K276; NE Atlantic - Azores Front; Paleoceanography at Tübingen University; Trap, sediment; TRAPS
    Type: Dataset
    Format: application/zip, 6 datasets
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  • 2
    Publication Date: 2023-02-12
    Keywords: Beella digitata; Berggrenia pumilio; Calculated; Counting 〉125 µm fraction; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Equitability; Foraminifera, planktic; Foraminifera, planktic indeterminata; GeoTü; Globigerina bulloides; Globigerina falconensis; Globigerinella siphonifera; Globigerinita glutinata; Globigerinoides conglobatus; Globigerinoides ruber pink; Globigerinoides ruber white; Globigerinoides sacculifer; Globigerinoides sacculifer sacculifer; Globorotalia crassaformis; Globorotalia hirsuta; Globorotalia inflata; Globorotalia scitula; Globorotalia truncatulinoides dextral; Globorotalia truncatulinoides sinistral; Globoturborotalita rubescens pink; Globoturborotalita rubescens white; Globoturborotalita tenella; Hastigerina pelagica; L1_K276; NE Atlantic - Azores Front; Neogloboquadrina dutertrei; Neogloboquadrina incompta dextral; Neogloboquadrina incompta sinistral; Orbulina universa; Paleoceanography at Tübingen University; Pulleniatina obliquiloculata; Sample code/label; Shannon Diversity Index; Trap, sediment; TRAPS; Turborotalia quinqueloba; Turborotalita humilis
    Type: Dataset
    Format: text/tab-separated-values, 664 data points
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  • 3
    Publication Date: 2023-02-12
    Keywords: Beella digitata; Berggrenia pumilio; Calculated; Counting 〉125 µm fraction; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Equitability; Foraminifera, planktic; Foraminifera, planktic indeterminata; GeoTü; Globigerina bulloides; Globigerina falconensis; Globigerinella siphonifera; Globigerinita glutinata; Globigerinoides conglobatus; Globigerinoides ruber pink; Globigerinoides ruber white; Globigerinoides sacculifer; Globigerinoides sacculifer sacculifer; Globorotalia crassaformis; Globorotalia hirsuta; Globorotalia inflata; Globorotalia scitula; Globorotalia truncatulinoides dextral; Globorotalia truncatulinoides sinistral; Globoturborotalita rubescens pink; Globoturborotalita rubescens white; Globoturborotalita tenella; Hastigerina pelagica; L1_K276; NE Atlantic - Azores Front; Neogloboquadrina dutertrei; Neogloboquadrina incompta dextral; Neogloboquadrina incompta sinistral; Orbulina universa; Paleoceanography at Tübingen University; Pulleniatina obliquiloculata; Sample code/label; Shannon Diversity Index; Trap, sediment; TRAPS; Turborotalia quinqueloba; Turborotalita humilis
    Type: Dataset
    Format: text/tab-separated-values, 664 data points
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  • 4
    Publication Date: 2023-02-12
    Keywords: Beella digitata, flux; Berggrenia pumilio, flux; Counting 〉125 µm fraction; Counting 〉63 µm fraction; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Foraminifera, planktic, flux; GeoTü; Globigerina bulloides, flux; Globigerina falconensis, flux; Globigerinella siphonifera, flux; Globigerinita glutinata, flux; Globigerinoides conglobatus, flux; Globigerinoides ruber pink, flux; Globigerinoides ruber white, flux; Globigerinoides sacculifer, flux; Globigerinoides sacculifer sacculifer, flux; Globorotalia crassaformis, flux; Globorotalia hirsuta, flux; Globorotalia inflata, flux; Globorotalia scitula, flux; Globorotalia truncatulinoides dextral, flux; Globorotalia truncatulinoides sinistral, flux; Globoturborotalita rubescens pink, flux; Globoturborotalita rubescens white, flux; Globoturborotalita tenella, flux; Hastigerina pelagica, flux; L1_K276; NE Atlantic - Azores Front; Neogloboquadrina dutertrei, flux; Neogloboquadrina incompta dextral, flux; Neogloboquadrina incompta sinistral, flux; Orbulina universa, flux; Paleoceanography at Tübingen University; Pulleniatina obliquiloculata, flux; Sample code/label; Trap, sediment; TRAPS; Turborotalia quinqueloba, flux; Turborotalita humilis, flux
    Type: Dataset
    Format: text/tab-separated-values, 594 data points
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  • 5
    Publication Date: 2023-02-12
    Keywords: Beella digitata, flux; Counting 〉125 µm fraction; Counting 〉63 µm fraction; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Foraminifera, planktic, flux; GeoTü; Globigerina bulloides, flux; Globigerina falconensis, flux; Globigerinella siphonifera, flux; Globigerinita glutinata, flux; Globigerinoides conglobatus, flux; Globigerinoides ruber pink, flux; Globigerinoides ruber white, flux; Globigerinoides sacculifer, flux; Globigerinoides sacculifer sacculifer, flux; Globorotalia crassaformis, flux; Globorotalia hirsuta, flux; Globorotalia inflata, flux; Globorotalia scitula, flux; Globorotalia truncatulinoides dextral, flux; Globorotalia truncatulinoides sinistral, flux; Globoturborotalita rubescens pink, flux; Globoturborotalita rubescens white, flux; Globoturborotalita tenella, flux; Hastigerina pelagica, flux; L1_K276; NE Atlantic - Azores Front; Neogloboquadrina dutertrei, flux; Neogloboquadrina incompta dextral, flux; Neogloboquadrina incompta sinistral, flux; Orbulina universa, flux; Paleoceanography at Tübingen University; Pulleniatina obliquiloculata, flux; Sample code/label; Trap, sediment; TRAPS; Turborotalia quinqueloba, flux; Turborotalita humilis, flux
    Type: Dataset
    Format: text/tab-separated-values, 544 data points
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  • 6
    Publication Date: 2023-02-12
    Keywords: Beella digitata; Calculated; Counting 〉125 µm fraction; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Equitability; Foraminifera, planktic; Foraminifera, planktic indeterminata; GeoTü; Globigerina bulloides; Globigerina falconensis; Globigerinella siphonifera; Globigerinita glutinata; Globigerinoides conglobatus; Globigerinoides ruber pink; Globigerinoides ruber white; Globigerinoides sacculifer; Globigerinoides sacculifer sacculifer; Globorotalia crassaformis; Globorotalia hirsuta; Globorotalia inflata; Globorotalia scitula; Globorotalia truncatulinoides dextral; Globorotalia truncatulinoides sinistral; Globoturborotalita rubescens pink; Globoturborotalita rubescens white; Globoturborotalita tenella; Hastigerina pelagica; L1_K276; NE Atlantic - Azores Front; Neogloboquadrina dutertrei; Neogloboquadrina incompta dextral; Neogloboquadrina incompta sinistral; Orbulina universa; Paleoceanography at Tübingen University; Pulleniatina obliquiloculata; Sample code/label; Shannon Diversity Index; Trap, sediment; TRAPS; Turborotalia quinqueloba; Turborotalita humilis
    Type: Dataset
    Format: text/tab-separated-values, 611 data points
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  • 7
    Publication Date: 2023-02-12
    Keywords: Beella digitata, flux; Berggrenia pumilio, flux; Counting 〉125 µm fraction; Counting 〉63 µm fraction; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Foraminifera, planktic, flux; GeoTü; Globigerina bulloides, flux; Globigerina falconensis, flux; Globigerinella siphonifera, flux; Globigerinita glutinata, flux; Globigerinoides conglobatus, flux; Globigerinoides ruber pink, flux; Globigerinoides ruber white, flux; Globigerinoides sacculifer, flux; Globigerinoides sacculifer sacculifer, flux; Globorotalia crassaformis, flux; Globorotalia hirsuta, flux; Globorotalia inflata, flux; Globorotalia scitula, flux; Globorotalia truncatulinoides dextral, flux; Globorotalia truncatulinoides sinistral, flux; Globoturborotalita rubescens pink, flux; Globoturborotalita rubescens white, flux; Globoturborotalita tenella, flux; Hastigerina pelagica, flux; L1_K276; NE Atlantic - Azores Front; Neogloboquadrina dutertrei, flux; Neogloboquadrina incompta dextral, flux; Neogloboquadrina incompta sinistral, flux; Orbulina universa, flux; Paleoceanography at Tübingen University; Pulleniatina obliquiloculata, flux; Sample code/label; Trap, sediment; TRAPS; Turborotalia quinqueloba, flux; Turborotalita humilis, flux
    Type: Dataset
    Format: text/tab-separated-values, 594 data points
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  • 8
    Publication Date: 2024-02-01
    Keywords: ARCT-L3; Calcium carbonate, flux; Calculated; Carbon, inorganic, particulate, flux per day; Carbon, organic, particulate, flux; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Event label; Flux of total mass; JGOFS; Joint Global Ocean Flux Study; Latitude of event; Lithogenic, flux; Longitude of event; NADR_L2; NAST_L1; Nitrogen, organic, particulate, flux per day; North Atlantic Arctic Region; North Atlantic Drift Region; North Atlantic sub-tropical gyre; Opal, flux; Trap, sediment; TRAPS
    Type: Dataset
    Format: text/tab-separated-values, 130 data points
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  • 9
    Publication Date: 2024-02-01
    Keywords: Calcium carbonate, flux; Carbon, organic, particulate, flux; Comment; DATE/TIME; Date/time end; DEPTH, water; Flux of total mass; JGOFS; Joint Global Ocean Flux Study; LATITUDE; Lithogenic, flux; LONGITUDE; Nitrogen, organic, particulate, flux per day; Opal, flux; Reference/source; Uniform resource locator/link to reference
    Type: Dataset
    Format: text/tab-separated-values, 478 data points
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  • 10
    Publication Date: 2019-11-04
    Description: Lichenometry is a surface-exposure-dating procedure that complements traditional trench-and-date stratigraphic studies of earthquakes. Lichens on the surficial blocks of a slump in the Seaward Kaikoura Range, South Island, New Zealand provide precise, accurate (± 2 years) dating of 20 post-landslide rockfall events. The coseismic character of these rockfall events is apparent when ages of lichen-size peaks are compared with dates of historical earthquakes. Most local prehistoric lichen-size peaks are synchronous with peaks at other lichenometry sites in a 20 000 km2 region. Lichenometry may be the best paleoseismic tool for describing the extent and intensity of seismic shaking caused by prehistoric earthquakes, and for dating earthquakes generated by concealed thrust faults and subduction fault zones.
    Description: Published
    Description: JCR Journal
    Description: open
    Keywords: earthquakes ; lichens ; paleoseismology ; 04. Solid Earth::04.04. Geology::04.04.01. Earthquake geology and paleoseismology ; 05. General::05.04. Instrumentation and techniques of general interest::05.04.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Format: 315978 bytes
    Format: application/pdf
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