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66 results for “Paleoclimate”
FIGURE 1 in New plant fossil records and paleoclimate analyses of the late Pliocene Citronelle Formation flora, U.S. Gulf Coast
FIGURE 1. Index map of plant fossil localities of the Citronelle Formation.
Neglected effect of continental circulation on paleoclimate reconstruction
<p>Three drilling sediment cores (YC03, YC08, and YC10) and 26 surface grab samples were collected during summer of 2016 in western area of the North Yellow Sea, and another 26 surface samples were supplemented during summer of 2020. The cores were cut length-wise, described, and photographed before subsampling in the laboratory. Sediment cores were sampled at 2 cm intervals for grain size. The samples were soaked in 0.05 mol L<sup>-1</sup> of (NaPO<sub>3</sub>)<sub>6</sub> for 24 h before measurement in a laser particle analyzer (Mastersizer 2000, Malvern Panalytical, UK).</p>
FIG. 9 in Micropaleontological parameters as proxies of late Miocene surface water properties and paleoclimate in Gavdos Island, eastern Mediterranean
FIG. 9. — SST curves based on the percentages of warm- and cool-water indices.
FIG. 8 in Micropaleontological parameters as proxies of late Miocene surface water properties and paleoclimate in Gavdos Island, eastern Mediterranean
FIG. 8. — The score plots of the factors revealed from the R-mode analysis for each section.
FIG. 6 in Micropaleontological parameters as proxies of late Miocene surface water properties and paleoclimate in Gavdos Island, eastern Mediterranean
FIG. 6. — Litho-, bio- and chronostratigraphy of the studied sections in Gavdos Island, Greece.
Locomotion and paleoclimate explain the re-evolution of quadrupedal body form in Brachymeles lizards
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Data from: Contrasting nidification behaviors facilitate diversification and colonization of the Music frogs under a changing paleoclimate
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Volcanism and paleoclimate change drive diversification of world’s largest whip spider (Amblypygi)
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An Online Paleoclimate Data Assimilation with a Deep Learning-based Network
<p>OnlinePDA_zenodo.rar (files compressed with RAR compression) includes:</p> <p>1. Directory 'Code' contains the <em>LIM</em>.<em>m</em> and <em>NET</em>.<em>m</em> for the examination of predictive skills of the surrogate models; the <em>Exp_LIM</em>.<em>m</em> and <em>Exp_NET</em>.<em>m</em> for the reconstruction of SAT during the preindustrial period (851-1850 CE) and the instrumental period(1880-2000CE), for both pseudoproxy experiments and real proxy experiments; </p> <p>2. Directory 'Data' contains the necessary data in the <strong>model</strong>, <strong>prior</strong>, <strong>proxy</strong>, and <strong>obs</strong> directory used to perform the resconstruction. e.g. surrogate models, prior samples, pseudoproxy and real proxy, and instrumental data; <em>Figure</em>*.<em>m and</em> <em>CERMSE</em>*.<em>mat</em> provide the necessary code and data for plotting Figures 3-10</p>
A global collection of paleoclimate proxy time series over the Common Era
<p><strong>*Dec 2023 Proxy Database Update: This database has been updated based on a more stringent proxy screening procedure. All screening calculations and decisions are documented in the accompanying Julia code Pluto notebook file (see also the HTML file preview of the code). This screening has resulted in the removal of 183 proxy time series from the original file.*</strong></p><p><i><strong>Original Data Descriptor:</strong></i></p><p>This collection of paleoclimate proxy data currently includes 2591 tree ring chronologies, 197 coral and sclerosponge records, 153 ice core isotope records, 26 speleothem isotope records, 10 lake sediment records, and 1 marine sediment record, for a total of 2,978 records. The proxy records have been collected with a focus on the past 2000 years.</p><p>This dataset has been collated through collaborative efforts with the Last Millennium Reanalysis project (Hakim et al. 2016) and provides the basis for the reconstructions presented in Steiger et al. (2018). Though the majority of data records are culled from PAGES2k Consortium (2017) and Breitenmoser et al. (2014), some data was taken from the NOAA NCEI's World Data Center for Paleoclimatology archive. Additionally, data was solicited from multiple investigators such as Eric Steig, Stephanie Hayman, Sylke Draschba, Henning Kuhnert, Andy Baker, and others amounting to approximately 60 coral, ice core, speleothem, and lake sediment datasets, though all files in this archive can be freely shared. Datasets were selected whose resolution was at least 25 years, temporal duration was greater than 40 years, and consisted of proxies that had established proxy system models (forward models). </p><p>The data files are in Matlab format and the variables here include the proxy names ('lmr2k_names'), the proxy data ('lmr2k_data'), the proxy type ('archive'), the proxy measurement ('msrmt'), the proxy latitudes and longitudes ('p_lat' and 'p_lon'), and the years of the proxies ('year'). Seasonally resolved proxies have been averaged from April to the following calendar year March.</p><p>Updates will be made to this proxy collection as more proxy data become available.</p><p> </p><p>Breitenmoser, P., et al. "Forward modelling of tree-ring width and comparison with a global network of tree-ring chronologies." <i>Climate of the Past</i> 10.2 (2014): 437.</p><p>PAGES2k Consortium. "A global multiproxy database for temperature reconstructions of the common era." <i>Scientific Data</i> 4, 170088 (2017).</p><p>Hakim, Gregory J., et al. "The last millennium climate reanalysis project: Framework and first results." <i>Journal of Geophysical Research: Atmospheres</i> 121.12 (2016): 6745-6764.</p><p>Steiger, N. J. et al. "A reconstruction of global hydroclimate and dynamical variables over the Common Era." <i>Scientific Data </i>5:180086 (2018).</p>
Records of chemical weathering and plateau saline lake sediments linked to paleoclimate fluctuations during the Eocene
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Figure 2 in Squamates and amphibians from the Natufian cemetery of Raqefet Cave, Israel: taphonomy, paleoenvironments and paleoclimate
Figure 2. Plan of Raqefet Cave (a) provenance of the faunal samples, with the different contexts presented in this study labelled in red (b).
Figure 10 in Squamates and amphibians from the Natufian cemetery of Raqefet Cave, Israel: taphonomy, paleoenvironments and paleoclimate
Figure 10. Reconstructed Mean annual precipitation (mm) and temperature for the herpetofauna species identified in Raqefet cave (a, b), Late Natufian EWT (c, d) and for the micro-mammals of Raqefet Cave Locus 1 (e, f). Climatic data from Danin and Orshan (1990). The vertical red line represents the mean annual precipitation and temperature of Ein Hashofet meteorological station for Raqefet and Ein Carmel meteorological station for EWT.
Figure 9 in Squamates and amphibians from the Natufian cemetery of Raqefet Cave, Israel: taphonomy, paleoenvironments and paleoclimate
Figure 9. Results of Principal Components Analysis (components 1 and 2) of the proportional weighted habitat types of the Raqefet Cave herpetofauna assemblages (blue), LN EWT herpetofauna assemblages (red), micro-mammals of Raqefet Cave (green) and modern Mount Carmel herpetofauna (Orange). The most influential habitat types are marked, based on the loading plots (Supplementary Figures 3-4).
Figure 5 in Squamates and amphibians from the Natufian cemetery of Raqefet Cave, Israel: taphonomy, paleoenvironments and paleoclimate
Figure 5. Anura and lizard bones from Raqefet Cave. Bufotes viridis sl (a) presacral vertebra, from left to right, dorsal, anterior and posterior views; Stellagama cf. stellio (b) left maxilla, medial and lateral views; (c) right dentary, medial and lateral views; (d) trunk vertebra, dorsal, ventral, anterior, posterior and lateral views; Eumeces schneiderii (e) right dentary, medial and lateral views; (f) trunk vertebrae, dorsal, ventral, anterior, posterior and lateral views; Pseudopus apodus (g) left maxilla, medial and lateral views (h) left dentary, medial and lateral views; (i) trunk vertebra, dorsal, ventral, anterior, posterior and lateral views.
Figure 1 in Squamates and amphibians from the Natufian cemetery of Raqefet Cave, Israel: taphonomy, paleoenvironments and paleoclimate
Figure 1. (a) Location map (satellite image) showing the studied area; (b) Topographic map of the studied area, Mount Carmel and its surrounding. Meteorological stations marked by +.
Figure 4 in Squamates and amphibians from the Natufian cemetery of Raqefet Cave, Israel: taphonomy, paleoenvironments and paleoclimate
Figure 4. Composite phytogeographical map of Israel, with the location of Raqefet Cave marked by a white X. Ecological units are shown in colour (Data from Israel Nature and Parks Authority; see map legend). Geographic zones after Danin and Orshan (1990): (a) Coastal Galilee. (b) Acco Plain. (c) Carmel Coast. (d) Sharon Plain. (e) Philistine Plain. (f) Upper Galilee. (g) Lower Galilee. (h) Mount Carmel. (i) Esdraelon Plain. (j) Samaria. (k) Shefela. (l) Judean Mountains. (m) Northern Negev. (n) Western Negev. (o) Negev Highlands. (p) Southern Negev. (q) Hula Plain. (r) Upper Jordan Valley. (s) Beit Shean Valley. (t) Mt. Gilboa. (u) Samarian Desert. (v) Judean Desert. (w) Lower Jordan Valley. (x) Dead Sea Valley. (y) Arava Valley. (z) Mount Hermon. (aa) Golan.
Figure 8 in Squamates and amphibians from the Natufian cemetery of Raqefet Cave, Israel: taphonomy, paleoenvironments and paleoclimate
Figure 8. Habitat weighting analysis for the different contexts of Raqefet Cave herpetofauna (a–d); the Late Natufian of EWT (e); Mount Carmel modern herpetofauna (f); Raqefet Locus 1 micro-mammals (g); the x axis denotes the ecological units, see colour legend; the y axis marks the habitat index values. For location of the different habitats in Israel today see.Figure 4
Figure 7 in Squamates and amphibians from the Natufian cemetery of Raqefet Cave, Israel: taphonomy, paleoenvironments and paleoclimate
Figure 7. Intra- and inter-site comparisons between Raqefet Cave (RAQ, shaded) and EWT contexts. The supposed 'least anthropogenic̍ archaeological context in each site is denoted by arrows: (a) taxonomic evenness (Simpson̍s index), data from Table 1; (b) centrum length of the vertebrae (reflecting animal body size); (c) the protruding part index (measuring bone fragmentation).
Figure 6 in Squamates and amphibians from the Natufian cemetery of Raqefet Cave, Israel: taphonomy, paleoenvironments and paleoclimate
Figure 6. Snake bones from Raqefet Cave. Eryx jaculus (a) trunk vertebra, dorsal, ventral, anterior, posterior and lateral views; Hemorrhois nummifer (b) trunk vertebra, dorsal, ventral, anterior, posterior and lateral views; Dolichophis jugularis (c) trunk vertebra dorsal, ventral, anterior, posterior and lateral views; Malpolon insignitus (d) trunk vertebra dorsal, ventral, anterior, posterior and lateral views; Daboia cf. palaestinae (e) vertebra dorsal, ventral, anterior, posterior and lateral views.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.