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  • 1
    Publication Date: 2020-02-12
    Description: Combined on- and offshore wide-angle seismic data were collected in southern Costa Rica along a profile that extends from the Middle America Trench and crosses the Pacific continental margin, the isthmus, and reaches to the Caribbean coast. Closely spaced marine airgun sources were used in the Pacific, coincident with the preexisting seismic reflection line P-1600 recorded by SHELL Int. Four large explosive charges were detonated in boreholdes onshore. The combined interpretation of the near-vertical and wide-angle data provides a detailed crustal model. The profile is located on the northern flank of Cocos Ridge, where we have determined that the subducting oceanic plate has a thickness of 11 to 12 km. It dips down with an average angle of 17° and can be imaged to a depth of at least 35 km with the available data. Erosion of the margin wedge is suggested by a thick low velocity zone overlying the downgoing slab. Like elsewhere along the Middle America Trench, the body of rock underlying forearc and slope sediment has high velocities (〉4.0 km/s). At deeper levels (〉5 km), the crustal rocks along the profile generally show high velocities (6.0 to 6.6 km/s). To the southwest, these high velocities can be followed to the mid-shelf area. The inverted Térraba Basin contains intermediate velocity sediment (3.0 km/s) with a total thickness of about 2 km. The Limón Basin has up to 6 km of Tertiary and Quaternary sediment. An intracrustal discontinuity is found at a depth of about 18 km, but cannot be determined in detail due to the limited offset of the available data.
    Keywords: 550 - Earth sciences
    Type: info:eu-repo/semantics/article
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  • 2
    Publication Date: 2024-04-20
    Keywords: Abies; Abrupt Climate Changes and Environmental Responses; Accumulation model; Acer; ACER; Agrimonia eupatoria; Alchemilla; Alisma; Allium; Alnus; Anagallis arvensis; Anagallis tenella-type; Anchusa azurea; Anthyllis-type; Apiaceae; Apium; Arbutus; Artemisia; Asparagus-type; Asphodelus fistulosus; Asplenium-type; Asteraceae; Atractylis; Betula; Blackstonia perfoliata-type; Boraginaceae; Botrychium; Brassicaceae; Bupleurum; Buxus; Calendar age; Calendar age, maximum/old; Calendar age, minimum/young; Callitriche; Campanula; Caryophyllaceae; Cedrus; Centaurea; Cerinthe-type; cf. Adiantum; Chenopodiaceae; Cistus; Cistus salviifolius; Classical age-modeling approach, CLAM (Blaauw, 2010); Conium; Conium maculatum; Convolvulus; Coriaria myrtifolia; Corylus; Counting, palynology; Crassulaceae; Cupressaceae; Cyperaceae; DEPTH, sediment/rock; Dianthus; Echinops; Echium; Ephedra distachya/E. nebrodensis; Ephedra fragilis; Epilobium; Equisetum; Erica arborea; Erica multiflora-type; Erodium; Euphorbiaceae; Fabaceae; Fraxinus; Fraxinus angustifolia; Galium aparine; Gentianaceae; Geraniaceae; Gladiolus; Hedera helix; Helianthemum; Hydrocharis; Hypecoum; Hypericum; Ilex; Iris; Isoetes; Juglans; Juniperus; Knautia; Lamiaceae; Lathyrus; Lemna; Liliaceae; Linum; Lotus-type; Lycium-type; Lysimachia ephemerum; Lythrum salicaria-type; Malvaceae; Mercurialis; Mesembryanthemum nodiflorum; Myosotis; Myrica; Myriophyllum spicatum; Myriophyllum verticillatum; Myrtus; Navarres; Nerium oleander; Nuphar; Nymphaea; Olea; Ononis-type; Ophioglossum; Orchidaceae; Papaver rhoeas-type; Parnassia palustris; Paronychia; Pellaea-type; Phillyrea; Pilularia; Pinus nigra-type; Pinus pinaster-type; Pistacia lentiscus; Pistacia terebinthus; Plantago; Plantago coronopus; Plantago lanceolata; Plumbaginaceae; Poaceae; Polygala; Polygonum aviculare-type; Polypodium; Portulaca oleracea-type; Potamogeton; Potentilla-type; Pteridium aquilinum; Pteridophyta; Quercus; Quercus cf. suber; Ranunculus peltatus-type; Resedaceae; Rhamnus; Rhus coriaria; Rosaceae; Rubiaceae; Rubus ulmifolius-type; Rumex; Rumex crispus-type; Ruta; Salix; Sambucus nigra-type; Sample ID; Sanguisorba; Sarcocapnos; Scabiosa; Scrophularia canina-type; Scrophulariaceae; Sideritis; Sorbus aucuparia-type; Sparganium; Tamarix; Taxus; Teucrium; Thalictrum; Thymelaeaceae; Trifolium-type; Type of age model; Typha angustifolia-type; Typha latifolia-type; Ulex; Ulex parviflorus-type; Ulmus; Urticaceae; Verbascum pulverulentum-type; Verbenaceae; Viburnum; Vitis; Xanthium
    Type: Dataset
    Format: text/tab-separated-values, 30245 data points
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  • 3
    Publication Date: 2024-04-20
    Description: This dataset includes all the pollen count data already published from Holocene sedimentary records of alpine wetlands in Sierra Nevada (southern Spain). These sedimentary records come from 6 sites at different elevations, ranging from 2497 to 3020 masl: Laguna de la Mula (shallow lake, 2497 masl), Laguna Hondera (shallow lake, 2899 masl), Borreguil de la Virgen (bog, 2945 masl), Laguna de Río Seco (lake, 3020 masl), Laguna de la Mosca (lake, 2889 masl) and Borreguil de la Caldera (bog, 2992 masl). The studied pollen records registered vegetation changes related with climate variability (i.e., temperature and precipitation) during the Holocene and anthropogenic activity, such as deforestation, burning or cultivation.
    Keywords: Holocene; lake; paleobotany; paleoclimate proxy; paleocology; Pollen; Sierra Nevada; Spain; wetland
    Type: Dataset
    Format: application/zip, 6 datasets
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  • 4
    Publication Date: 2024-04-20
    Keywords: Abrupt Climate Changes and Environmental Responses; Accumulation model; ACER; Calendar age; Calendar age, maximum/old; Calendar age, minimum/young; Charcoal; Classical age-modeling approach, CLAM (Blaauw, 2010); DEPTH, sediment/rock; Navarres; Sample ID; Type of age model; Unit
    Type: Dataset
    Format: text/tab-separated-values, 1125 data points
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  • 5
    Publication Date: 2024-04-20
    Keywords: Acer; Actinoptychus vulgaris; AGE; Alnus; Apiaceae; Arboreal pollen; Artemisia; Asteraceae; BdlV-06-01; Betula; Boraginaceae; Borreguil de los Tajos de la Virgen (Sierra Nevada); Botryococcus; Brassicaceae; Buxus; Campanula; Caryophyllales; Castanea; Cedrus; Celtis; Centaurea; Centropyxis aculeata; Cerealia; cf. Ilex; cf. Rhamnus; cf. Rhus; cf. Vitis; Chenopodiaceae/Amaranthaceae; Cistus; Corylus; Cyperaceae; DEPTH, sediment/rock; Drosera; Ephedra fragilis; Ericaceae; Erodium; Fabaceae; Fraxinus; Galium; Gentiana; Geranium; Helianthemum; Herniaria; Holocene; Indeterminata; Juglans; Juniperus; Lactuceae; lake; Lamiaceae; Liliaceae; LIVC; Livingstone corer; Lonicera; Non arboreal pollen; Olea; Onagraceae; paleobotany; paleoclimate proxy; paleocology; Pediastrum; Pinus indeterminata; Pistacia; Plantago; Plumbaginaceae; Poaceae; Pollen; Polygonum; Populus; Potamogeton; Primulaceae; Quercus deciduous; Quercus ilex/Q. coccifera; Ranunculus; Resedaceae; Rosaceae; Rumex; Salix; Saxifraga; Scrophulariaceae; Sierra Nevada; Spain; Sporormiella; Thymelaeaceae; Tracers; Trilete psilate; Typha; Ulmus; Urtica; wetland
    Type: Dataset
    Format: text/tab-separated-values, 9760 data points
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  • 6
    Publication Date: 2024-04-20
    Keywords: Acer; AGE; Alnus; Ambrosia; Androsace; Apiaceae; Artemisia; Asteraceae; Astragalus; Athyrium; Betula; Boraginaceae; Botrychium; Botryococcus; Brassicaceae; Buxus; Caltha; Campanula; Caryophyllaceae; Castanea; Cedrus; Celtis; cf. Cornus; cf. Gentiana; cf. Geum; cf. Ilex; cf. Mentha; cf. Oxyria; cf. Phylleria; cf. Rhamnus; cf. Rhus; cf. Sarcobatus; cf. Trollius; cf. Zea mays; Chenopodiaceae/Amaranthaceae; Cirsium; Cistus; Corylus; Cyperaceae; DEPTH, sediment/rock; Dryopteris; Ephedra fragilis; Ericaceae; Erodium; Eryngium; Fabaceae; Fern spores; Fraxinus; Fungi; Galium; Geranium; Helianthemum; Holocene; Humulus; Hypericum; Illecebrum; Indeterminata; Isoetes; Juglans; Juniperus; Koenigia; Lactuceae; Laguna de Río Seco (Sierra Nevada); lake; Lamiaceae; LdRS-06-01; Liliaceae; Limonium; LIVC; Livingstone corer; Lonicera; Malvaceae; Melampyrum; Mimulus; Monolete psilate; Morus; Olea; Onagraceae; Ononis-type; Ophioglossum; Osmunda; paleobotany; paleoclimate proxy; paleocology; Papaver; Pediastrum; Pedicularis; Phyteuma; Pinus; Pinus undifferentiated; Pistacia; Plantago; Poaceae; Polemoniaceae; Pollen; Pollen, main concentration; Pollen, total; Pollen indeterminata; Polygonaceae; Polygonum; Populus; Potamogeton; Primulaceae; Pteridium; Quercus; Quercus deciduous; Quercus evergreen; Quercus indeterminata; Ranunculus; Rosaceae; Rubus; Rumex; Salix; Saxifraga; Scrophulariaceae; Sedum; Sierra Nevada; Silene; Smyrnium; Solanaceae; Spain; Spores, monolete; Spores, trilete sculptured; Sporormiella; Stachys; Stellaria; Symphoricarpos; Thalictrum; Thymelaea hirsuta; Trifolium; Trilete psilate; Typha; Ulmus; Urtica; wetland
    Type: Dataset
    Format: text/tab-separated-values, 9315 data points
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  • 7
    Publication Date: 2024-04-20
    Keywords: Acari; Acer; AGE; Alismataceae; Allium; Alnus; Amphitrema; Anabaena; Anabaena akinete; Anthemis; Apiaceae; Apium; Arbutus; Arcella; Arctostaphylos; Armeria; Artemisia; Ascaris; Asphodelus albus-type; Asphodelus fistulosus-type; Asplenium; Aster-type; Betula; Boraginaceae; Botrychium lunaria; Botryococcus; Brassicaceae; Bryozoa; Callitriche; Campanula; Cardueae; Caryophyllaceae; Castanea; Cedrus; Celtis; Centaurea nigra-type; Ceratophyllum; Cercophora; Cerealia; Chaetomium; Chenopodiaceae; Chironomidae; Chrysophyta; Cichorioideae; Cistus ladanifer-type; Cistus-type; Cladosporium; Coniochaeta; Convolvulus; Corylus; Crassulaceae; Cryptogramma crispa; Cyperaceae; Daphne gnidium-type; DEPTH, sediment/rock; Dipsacaceae; Echium; Entorrhiza; Ephedra distachya-type; Ephedra fragilis-type; Erica; Erodium; Fraxinus; Fungi; Gaeumannomyces; Gelasinospora; Genisteae; Gentiana; Geraniaceae; Geranium; Gloeotrichia; Glomus; Gyratrix; Halimium/Helianthemum; Hedera; Herniaria; Holocene; Humulus; Hydrocharis morsus-ranae; Hyphae; Hystrichosphaera; Ilex; Indeterminata; Isoetes; Jasione; Juglans; Juniperus; Labiatae; Laguna de la Mosca (Sierra Nevada); lake; LdlMo-13-02; Leguminosae; Leguminosae undifferentiated; Liliaceae/Amaryllidaceae; Littorella uniflora; LIVC; Livingstone corer; Mougeotia; Musci; Myrmicinae, mandible; Myrtus; Olea; paleobotany; paleoclimate proxy; paleocology; Parnassia; Phaeoceros; Phillyrea; Pinus mediteranea-type; Pinus pinaster; Pinus sylvestris-type; Pistacia; Plantago; Plantago coronopus-type; Plantago lanceolata-type; Platyhelminthes; Poaceae; Podospora; Pollen; Polygonum aviculare-type; Polypodium; Populus; Potamogeton; Potentilla; Pteridium aquilinum; Quercus deciduous; Quercus evergreen; Quercus suber; Ranunculaceae; Reseda; Rhamnus; Riccia; Rivularia; Rubiaceae; Rumex acetosa; Rumex acetosella-type; Salix; Sambucus; Sanguisorba; Saxifraga; Secale; Selaginella; Sideritis; Sierra Nevada; Sorbus/Crataegus; Sordaria; Sordariaceae; Spain; Spergularia; Spirogyra; Spores, monolete; Sporormiella; Taxus; Thalictrum; Thesium; Tribulus terrestris; Tripterospora; Type; Typha; Ulmus; Urtica; Ustulina; Utricularia; Vaccinium; Vaccinium/Arctostaphylos; Valerianaceae; Vitis; wetland; Zygnemataceae; Zygnema-type
    Type: Dataset
    Format: text/tab-separated-values, 12900 data points
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  • 8
    Publication Date: 2024-04-20
    Keywords: -; AGE; Alnus; Apiaceae; Arboreal pollen; Artemisia; Asteraceae; Asteraceae Tubuliflorae; Betula; Campanulaceae; Cannabaceae/Urticaceae; Caryophyllaceae; Cedrus; Celtis; Cistus; Corylus; Cupressaceae; Cyperaceae; DEPTH, sediment/rock; Ephedra; Ericaceae; Fabaceae; Galium; Gentiana; Geraniaceae; Herniaria; Holocene; Indeterminata; Juglans; Laguna Hondera (Sierra Nevada); lake; Lamiaceae; LH-12-03; Liliaceae; LIVC; Livingstone corer; Lycopodium; Olea; Oleaceae; Onagraceae; paleobotany; paleoclimate proxy; paleocology; Pinus; Pistacia; Plantago; Plumbaginaceae; Poaceae; Pollen; Pollen, total; Polygonaceae; Pulsatilla; Quercus; Quercus deciduous; Quercus evergreen; Quercus indeterminata; Ranunculaceae; Salix; Salvia; Sanguisorba; Saxifraga; Sierra Nevada; Spain; Tamarix; Thymelaeaceae; Typha; Utricularia; Valeriana; Vitis; wetland
    Type: Dataset
    Format: text/tab-separated-values, 2515 data points
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  • 9
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    Unknown
    PANGAEA
    In:  European Pollen Database (EPD)
    Publication Date: 2024-04-20
    Keywords: Age, dated; Age, dated, error to older; Age, dated, error to younger; Age, dated material; Age, radiocarbon; Core2; DEPTH, sediment/rock; NAVA2; Navarrés, Spain; Sample, optional label/labor no
    Type: Dataset
    Format: text/tab-separated-values, 5 data points
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  • 10
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    Unknown
    PANGAEA
    In:  European Pollen Database (EPD)
    Publication Date: 2024-04-20
    Keywords: Age, dated; Age, dated, error to older; Age, dated, error to younger; Age, dated material; Age, radiocarbon; DEPTH, sediment/rock; NAVARRE3; Navarrés, Spain; Sample, optional label/labor no
    Type: Dataset
    Format: text/tab-separated-values, 70 data points
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