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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
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    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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  • 3
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    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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  • 4
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    Unknown
    PANGAEA
    In:  European Pollen Database (EPD)
    Publication Date: 2024-04-20
    Keywords: Abies; Acaulon-type; Acer; Agrimonia eupatoria; Alchemilla; Alisma; Allium; Alnus; Anagallis arvensis; Anagallis tenella-type; Anchusa azurea; Anchusa azurea-type; Andropogon; Anthyllis-type; Apium; Arbutus; Artemisia; Asparagus-type; Asphodelus fistulosus; Asplenium-type; Asteroideae; Atractylis; Betula; Blackstonia perfoliata-type; Botrychium; Botryococcus; Bryophyte spores; Bupleurum; Buxus; Callitriche; Caryophyllaceae; Cedrus; Centaurea; Cerealia-type; Cerinthe-type; cf. Adiantum; Chaetomium; Chenopodiaceae; Cichorioideae; Cistus; Cistus salvifolius; Closterium cf. rostratum; Closterium idiosporum; Closterium idiosporum-type; Conium maculatum; Conium-type; Convolvulus; Coriaria myrtifolia; Corylus; Crassulaceae; Cruciferae; Cupressaceae-type; Cyperaceae; Debarya; DEPTH, sediment/rock; Dianthus; Dyadosporites; Echinops; Echium; Ephedra distachya-nebrodensis; Ephedra fragilis; Epilobium; Equisetum; Erica arborea-type; Erica multiflora-type; Erodium; Euphorbiaceae; Fraxinus; Fraxinus angustifolia; Fusiformisporites; Galium aparine; Gelasinospora; Gentianaceae; Geraniaceae; Gloeotrichia; Glomus; Gramineae; Hedera helix; Helianthemum; Hydrocharis; Hypecoum; Hypericum; Ilex; Indeterminable: unknown; Iris; Isoetes; Juglans; Knautia; Labiatae (3); Labiatae (6); Lathyrus; Leguminosae; Lemna; Liliaceae; Linum; Lotus-type; Lycium-type; Lycopodium; Lysimachia ephemerum; Lythrum salicaria-type; Malvaceae; Mercurialis; Microthyrium-type; Monolete spore(s); Mougeotia-type; Myosotis; Myrica; Myriophyllum spicatum; Myriophyllum verticillatum; Myrtus; NAVARRE3; Navarrés, Spain; Nerium oleander; Nuphar; Nymphaea; Olea; Ononis-type; Ophioglossum; Papaver rhoeas-type; Parnassia palustris; Paronychia; Pellaea-type; Phillyrea; Pilularia; Pinus nigra-type; Pinus pinaster-type; Pistacia lentiscus; Pistacia terebinthus; Pluricellasporites; Polyadosporites; Polygala; Polygonum aviculare-type; Polypodium; Portulaca oleracea-type; Potamogeton; Potentilla-type; Pseudoschizaea; Pteridium aquilinum; Puccinia; Quercus cf. suber; Quercus ilex-type; Quercus robur-type; Ranunculus peltatus-type; Resedaceae; Rhamnus; Rhus coriaria; Riccia lamellosa-type; Rivularia; Rosaceae; Rubiaceae; Rubus ulmifolius-type; Rumex; Rumex crispus-type; Ruta; Salix; Sambucus nigra-type; Sample volume; Sanguisorba; Sarcocapnos; Scabiosa; Scrophularia canina-type; Scrophulariaceae; Sideritis (4); Sorbus aucuparia-type; Sordariaceae; Sparganium; Spikes/tablet; Spirogyra-type; Spores, trilete; Tablets; Tamarix; Taxus; Tecaphora-type; Teucrium; Thalictrum; Thymelaeaceae; Tilletia caries-type; Trichuris; Trifolium-type; Typha angustifolia-type; Typha latifolia-type; Ulex-type; Ulmus; Umbelliferae; Urticaceae; Verbascum pulverulentum-type; Viburnum; Vitis; Xanthium; Zygnema-type
    Type: Dataset
    Format: text/tab-separated-values, 35717 data points
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  • 5
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    PANGAEA
    In:  European Pollen Database (EPD)
    Publication Date: 2024-04-20
    Keywords: Alnus; Apium; Artemisia; Asteroideae; Betula; Boraginaceae; Caryophyllaceae; Centaurea; Chenopodiaceae; Cichorioideae; Cistus; Cistus salvifolius; Concentration spikes; Core2; Corylus; Cruciferae; Cupressaceae; Cyperaceae; DEPTH, sediment/rock; Dipsacaceae; Ephedra distachya; Ephedra fragilis; Epilobium; Ericaceae; Euphorbiaceae; Fraxinus; Geraniaceae; Gramineae; Helianthemum; Hydrocharis; Hypericum; Labiatae (3); Labiatae (6); Lathyrus; Leguminosae; Lotus; Lycopodium; Lysimachia; Malvaceae; Monolete spore(s); Myrtus; NAVA2; Navarrés, Spain; Nuphar; Olea; Phillyrea; Pinus; Pistacia; Plantago; Polygonaceae; Quercus ilex-type; Quercus robur-type; Ranunculaceae; Rosaceae; Rubiaceae; Rumex; Salix; Sparganium; Spike; Spores, trilete; Thalictrum; Typha; Ulmus; Umbelliferae; Urticaceae; Verbenaceae; Zygnema/Spirogyra
    Type: Dataset
    Format: text/tab-separated-values, 1890 data points
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  • 6
    Publication Date: 2024-04-20
    Keywords: Acer; Actinoptychus vulgaris; AGE; Algae; Alnus; Apiaceae; Arboreal pollen; Artemisia; Asteraceae; BdlC-13-01; Betula; Borreguil de la Caldera (Sierra Nevada); Brassicaceae; Campanula; Cannabaceae/Urticaceae; Caryophyllaceae; Castanea; Cedrus; Cerealia; cf. Vitis; Chenopodiaceae/Amaranthaceae; Cistaceae; Cupressaceae; Cyperaceae; DEPTH, sediment/rock; Ephedra fragilis; Ericaceae; Euphorbia; Fabaceae; Fraxinus; Galium; Gentiana; Geranium; Glomus; Helianthemum; Herniaria; Holocene; Indeterminata; Juglans; Lactucaceae; lake; Lamiaceae; Leaves; Liliaceae; LIVC; Livingstone corer; Menyanthaceae; Mougeotia; Non arboreal pollen; Olea; Oxalis; paleobotany; paleoclimate proxy; paleocology; Pinus undifferentiated; Plantago; Plumbaginaceae; Poaceae; Pollen; Pollen, terrestrial; Pollen, total; Pollen and spores; Populus; Quercus deciduous; Quercus ilex/Q. coccifera; Ranunculus; Resedaceae; Rosaceae; Rumex; Salix; Saxifraga; Scabiosa; Scabiosa ochroleuca; Sedum; Sierra Nevada; Spain; Spores, trilete; Sporormiella; Thymelaeaceae; Tracers; Trilete psilate; Typha; Ulmus; wetland; Zoological remains
    Type: Dataset
    Format: text/tab-separated-values, 6393 data points
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  • 7
    Publication Date: 2024-04-20
    Keywords: Acer; AGE; Alnus; Apiaceae; Arboreal pollen; Artemisia; Asteraceae; Brassicaceae; Campanula; Caryophyllaceae; Cedrus; Cerealia; cf. Vitis; Chenopodiaceae/Amaranthaceae; Cistus; Cyperaceae; DEPTH, sediment/rock; Ephedra fragilis; Ericaceae; Euphorbia; Fabaceae; Geranium; Herniaria; Holocene; Indeterminata; Juglans; Juniperus; Lactucaceae; Laguna de la Mula (Sierra Nevada); lake; Lamiaceae; LdlM-10-02; Liliaceae; LIVC; Livingstone corer; Non arboreal pollen; Olea; paleobotany; paleoclimate proxy; paleocology; Pediastrum; Pinus undifferentiated; Plantago; Poaceae; Pollen; Pollen, total; Polygonum aviculare; Primulaceae; Quercus deciduous; Quercus ilex/Q. coccifera; Ranunculus; Rosaceae; Rumex; Salix; Sierra Nevada; Spain; Spirogyra; Tracers; Trilete psilate; Typha; Urtica; wetland; Zygnema
    Type: Dataset
    Format: text/tab-separated-values, 1566 data points
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  • 8
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    PANGAEA
    In:  Supplement to: Sanchez Goñi, Maria Fernanda; Desprat, Stéphanie; Daniau, Anne-Laure; Bassinot, Franck C; Polanco-Martínez, Josué M; Harrison, Sandy P; Allen, Judy R M; Anderson, R Scott; Behling, Hermann; Bonnefille, Raymonde; Burjachs, Francesc; Carrión, José S; Cheddadi, Rachid; Clark, James S; Combourieu-Nebout, Nathalie; Courtney-Mustaphi, Colin J; DeBusk, Georg H; Dupont, Lydie M; Finch, Jemma M; Fletcher, William J; Giardini, Marco; González, Catalina; Gosling, William D; Grigg, Laurie D; Grimm, Eric C; Hayashi, Ryoma; Helmens, Karin F; Heusser, Linda E; Hill, Trevor R; Hope, Geoffrey; Huntley, Brian; Igarashi, Yaeko; Irino, Tomohisa; Jacobs, Bonnie Fine; Jiménez-Moreno, Gonzalo; Kawai, Sayuri; Kershaw, A Peter; Kumon, Fujio; Lawson, Ian T; Ledru, Marie-Pierre; Lézine, Anne-Marie; Liew, Ping-Mei; Magri, Donatella; Marchant, Robert; Margari, Vasiliki; Mayle, Francis E; McKenzie, G Merna; Moss, Patrick T; Müller, Stefanie; Müller, Ulrich C; Naughton, Filipa; Newnham, Rewi M; Oba, Tadamichi; Pérez-Obiol, Ramon P; Pini, Roberta; Ravazzi, Cesare; Roucoux, Katherine H; Rucina, Stephen M; Scott, Louis; Takahara, Hikaru; Tzedakis, Polychronis C; Urrego, Dunia H; van Geel, Bas; Valencia, Bryan G; Vandergoes, Marcus J; Vincens, Annie; Whitlock, Cathy L; Willard, Debra A; Yamamoto, Masanobu (2017): The ACER pollen and charcoal database: a global resource to document vegetation and fire response to abrupt climate changes during the last glacial period. Earth System Science Data, 9(2), 679-695, https://doi.org/10.5194/essd-9-679-2017
    Publication Date: 2024-04-20
    Description: Quaternary records provide an opportunity to examine the nature of the vegetation and fire responses to rapid past climate changes comparable in velocity and magnitude to those expected in the 21st century. The best documented examples of rapid climate change in the past are the warming events associated with the Dansgaard-Oeschger (D-O) cycles during the last glacial period, which were sufficiently large to have had a potential feedback through changes in albedo and greenhouse gas emissions on climate. Previous reconstructions of vegetation and fire changes during the D-O cycles used independently constructed age models, making it difficult to compare the changes between different sites and regions. Here we present the ACER (Abrupt Climate Changes and Environmental Responses) global database which includes 93 pollen records from the last glacial period (73-15 ka) with a temporal resolution better than 1,000 years, 32 of which also provide charcoal records. A harmonized and consistent chronology based on radiometric dating (14C, 234U/230Th, OSL, 40Ar/39Ar dated tephra layers) has been constructed for 86 of these records, although in some cases additional information was derived using common control points based on event stratigraphy. The ACER database compiles metadata including geospatial and dating information, pollen and charcoal counts and pollen percentages of the characteristic biomes, and is archived in Microsoft ACCESS(TM).
    Keywords: Abrupt Climate Changes and Environmental Responses; ACER
    Type: Dataset
    Format: application/zip, 6 datasets
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  • 9
    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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  • 10
    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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