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380 results for “Pressure Data”
Impacts of pressure, temperature, and rel. humidity on NDIR CO2 sensors (DATA)
<p>These files support the experiments demonstrated in the peer-reviewed article "Low-complexity methods to mitigate the impact of environmental variables on low-cost UAS-based atmospheric carbon dioxide measurements", available via open access at the European Geophysical Union's Atmospheric Measurements Techniques journal.</p>
Data for "Sound velocity of hexagonal close-packed iron to the Earth's inner core pressure"
<p>This file is the dataset used in the article "Sound velocity of hexagonal close-packed iron to the Earth's inner core pressure", Nat. Commun. 13, 7211 (2022). https://doi.org/10.1038/s41467-022-34789-2</p>
Acceleration Data at Various Locations on Vehicle On Four Post Test Rig over Different Roads and at Different Tyre Pressures
<p>Dataset of acceleration data at various locations on sport utility vehicle on four post test rig over different roads and at different tyre pressures. This dataset can be used for driving comfort evaluation. </p>
Crystal structures and hkl data associated with paper 'The curious case of proton migration under pressure in the malonic acid and 4,4′-bipyridine cocrystal'
Open the record for dataset details and reuse information.
Collected laboratory data for: Theoretical basis and analyses of temperature responses of water-saturated rocks to rapid changes in confining pressure
<p><span>In this data submission, there are three collected laboratory data sets used in the submitted manuscript: Theoretical basis and analyses of temperature responses of water-saturated rocks to rapid changes in confining pressure. The first data set includes the </span><span>thermophysical properties of the main rock-forming minerals in the crust and water. The second data set includes </span><span>the poroelastic constants for compact and porous rocks. </span><span>The third data set includes <span>the </span>chemical composition (Oxides) and CIPW norm minerals of Karatsu basalt (KBT), and isothermal bulk modulus (<em>K</em><sub>i</sub>) of each mineral.</span></p>
Data and Code for "Propagule pressure from historic U.S. plant sales explains establishment but not invasion"
<p>Files used in the creation of "Propagule pressure from historic U.S. plant sales explains establishment but not invasion" manuscript submitted to Ecology Letters.</p>
Data for "Density deficit of the Earth's core revealed by a multi-megabar primary pressure scale"
<p>This file is the dataset used in the article "Density deficit of the Earth's core revealed by a multi-megabar primary pressure scale", Sci. Adv. 9, eadh8706 (2023). https://doi.org/10.1126/sciadv.adh8706</p>
Widen Field Test Pressure Data - P02 Experiment
<p>Hydraulic tomography data from the crosswell pressure test P02.</p> <p>The data are referenced in the paper:</p> <p>Vasco, D. W., J. Doetsch, and R. Brauchler (2018). An extended trajectory-mechanics approach for calculating the path of a pressure transient: Hydraulic tomographic imaging, Water Resources Research, (submitted)</p> <p>and in</p> <p>Lochbuhler, T., J. Doetsch, R. Brauchler, and N. Linde (2013). Structure-coupled joint inversion of geophysical and hydrological data, Geophysics, 78, ID1-ID14, doi: 10.1190/GEO2012-0460.1</p> <p> </p>
Raw data sets from Jones et al. 2018 QSR publication: A multi-proxy approach to understanding complex responses of saltlake catchments to climate variability and human pressure: A Late Quaternary case study from south-eastern, Spain
<p>Attached are the raw data sets containing the pollen data, DXR, Grain size and C14 ages from the recent publication: Jones et al. 2018 QSR publication: A multi-proxy approach to understanding complex responses of saltlake catchments to climate variability and human pressure: A Late Quaternary case study from south-eastern, Spain.</p> <p>Note that these data sets do contain hiatuses and a major age-reversal due to erosian which have likely been caused by increased seasonal wetness at the onset of the Holocene. A full explanation is provided in our 2018 publication. If you do wish to use the data, it is essential that you read the publication inorder to interpret the results correctly. We also require that when using this data that you correctly cite it (Bibliographic reference and the doi number of the data set). There were some problems uploading the XRF (geochemical) data sets, so I haven't included these yet, but hopefully will do eventually. </p> <p>Below I have also included the abstract from our publication, which provides an overview of the purpose of our work and a brief summary of the main findings.</p> <p>Abstract of Jones et al. 2018:</p> <p>The article focuses on a former salt lake in the upper Vinalopo Valley in south-eastern Spain. The study spans the Late Pleistocene through to the Late Holocene, although with particular focus on the period between 11 ka cal BP and 3000 ka cal BP (which spans the Mesolithic and part of the Bronze Age). High resolution multi-proxy analysis (including pollen, non pollen palynomorphs, grain size, X-ray fluorescence, and X-ray diffraction) was undertaken on the lake sediments. The results show strong sensitivity to<br> both long term and small changes in the evaporation/precipitation ratio, affecting the surrounding vegetation composition, lake-biota and sediment geochemistry. To summarise the key findings the main general trends identified include: 1) Hyper-saline conditions<br> and low lake levels at the end of the Late Glacial 2) Increasing wetness and temperatures which witnessed an expansion of mesophilic woodland taxa, lake infilling and the establishment of a more perennial lake system at the onset of the Holocene 3) An increase in solar insolation after 9 ka cal BP which saw the re-establishment of pine forests 4) A continued trend towards increasing dryness (climatic optimum) at 7 ka cal BP but with continued freshwater input 5) An increase in sclerophyllous open woody vegetation (anthropogenic?), and increasing wetness (climatic?) is represented in the lake record between 5.9 and 3 ka cal BP 6) The Holocene was also punctuated by several aridity pulses, the most prominent corresponding to the 8.2 ka cal BP event. These events, despite a paucity of well dated archaeological sites in the surrounding area, likely altered the carrying capacity of this area both regionally and locally, particularly during the Mesolithic-Neolithic transition, in terms of fresh water supply for human/animal consumption, wild plant food reserves and suitable land for crop growth.</p>
Supplementary data for "Stability and flexibility of Heterometallic Formate Perovskites with the Dimethylammonium Cation: Pressure-induced Phase transitions and Density Functional Theory Calculations"
<p>Optimized structures for DMANaCr, DMAKCr and DMAZn.</p> <p>For each structure there is a zip-file containing the force constants used for the phonon calculation, the phonon frequencies at the gamma point, the calculated thermal properties and the phonon partial density of states.</p> <p>For further information see the associated paper.</p>
Rock thermal conductivity and thermal inertia measurements under martian atmospheric pressures - Data
<p>Dataset accompanying the paper "Rock thermal conductivity and thermal inertia measurements under martian atmospheric pressures" published in Icarus in September 2024. </p> <p>Files included: </p> <p>Individual photos of the rocks in this study's sample suite; photos of laboratory equipment and setup; raw emissivity spectral data, emissivity specta plotted; thermal inertia data collected with the MTPS sensor; thermal conductivity data collected with the TPS sensor; itemized calculations of thermophysical data error; sample mineral abundance data; sample major/trace element measurement data; and detailed sample porosity data. </p> <p> </p>
Rivals Reloaded - Adapting to Sample-Based Speed–Accuracy Trade-Offs Through Competitive Pressure: Data
<p>Data and codebook for experiment described in publication titled Rivals Reloaded - Adapting to Sample-Based Speed–Accuracy Trade-Offs Through Competitive Pressure published in Journal of Experimental Psychology: Learning, Memory, and Cognition authored by Linda McCaughey, Johannes Prager and Klaus Fiedler </p>
Code and data for: Human pressures threaten diet specialized mammal communities
<p><span><span>Environmental change is increasing worldwide, and many animal species face anthropogenic threats, especially diet specialists. Yet the degree to which specialist species are currently impacted by environmental change remains poorly understood. Here, we examine how anthropogenic pressures impact dietary specialist species. To achieve this, we calculated an index of diet specialization for the majority of mammal species, based on the Gini inequality coefficient focused on all different dietary items and combined these indices with human footprint data. We used spatially explicit tests to compare the global pattern of mammal diet specialization based on Mantel statistics and a generalized linear mixed model to assess the variations in the percentage of diet specialist species in mammal communities regarding the total species richness, mean values of the human footprint, and the interaction between protected or non-protected areas and the continent. These analyses revealed global patterns in human pressure and its potential impacts on dietary specialist mammal species. We found that areas with many diet specialists in mammal communities are also impacted by high human pressure. Additionally, we found that the global protected area system adequately covers habitat for many mammal diet specialists, but has lower effectiveness in South America, Oceania, North America and Europe compared with Africa and Asia. Finally, we identified potential reservoirs for specialist species – places that contain many highly diet-specialist species and are subject to less human pressure – which may be important for conservation efforts. Our findings highlight limitations with existing conservation efforts and underscore the importance of conserving specialist species.</span></span></p>
Experimental sloshing pressure data from "Improving stability of moving particle semi-implicit method by source terms based on time-scale correction of particle-level impulses"
<p>3D sloshing in a prismatic tank under translational coupled surge-sway (X and Y axis) motions. The main dimensions are height H<sub>T</sub> = 0.54m, width W<sub>T</sub> = 0.84m and length L<sub>T</sub> = 0.72m. The filling ratio of 50% (H<sub>F</sub> = 0.27m). The periods of surge and sway excitations are T<sub>s</sub> = 1.25s with amplitude motions of A<sub>x</sub> = 0.0144m (0.02 x length) and A<sub>y</sub> = 0.0168m (0.02 x width).</p> <p>Files:</p> <p><strong>experimental_slosh_h50_20cycles_p1_dt0p000100.txt</strong>: Experimental pressure data at sensor P1</p> <p><strong>slosh_3d_exp_timer</strong>: Experimental movie</p> <p><strong>sloshing_tank_dimensions.pdf</strong>: Tank main dimensions</p> <p> </p> <p>The experimental data was used in:</p> <p>Cheng, L.Y., Amaro Junior, R.A., Favero, E.H. (2021). Improving stability of moving particle semi-implicit method by source terms based on time-scale correction of particle-level impulses. Engineering Analysis with Boundary Elements, 131, 118-145. Available at. doi: <a href="https://doi.org/10.1016/j.enganabound.2021.06.018">https://doi.org/10.1016/j.enganabound.2021.06.018</a></p>
Southern Hemisphere winds, pressure, and temperature over the 20th century from proxy-data assimilation
<p>This archive contains four reconstructions of annually resolved zonal surface wind (us), sea level pressure (psl), and surface temperature (tas) anomalies in the Southern Hemisphere over the period 1900 to 2005 CE. The anomaly reference period is 1961-1990. </p> <p>The reconstructions are generated using the Last Millennium Reanalysis data assimilation framework (Hakim et al., 2016; Tardif et al., 2019). The proxies assimilated come from a global database comprising the PAGES2k database (PAGES2k Consortium, 2017), additional ice core accumulation records (Thomas et al., 2017), and additional coral records (Sanchez et al., 2021). We use four climate models to produce the four reconstructions:</p> <ol> <li>the iCESM Last Millennium Ensemble (“CESM LM”, Brady et al., 2019, Stevenson et al., 2019)</li> <li>the HadCM3 Last Millennium Ensemble (“HadCM3 LM”, Collins et al., 2001)</li> <li>the CESM1 Large Ensemble (“LENS”; Kay et al., 2015)</li> <li>the CESM1 Pacific Pacemaker Ensemble (“PACE”; Schneider and Deser, 2018).</li> </ol> <p>The four reconstructions are named after the prior that is used. The last millennium ensemble of simulations include natural forcings only and the LENS and PACE ensemble of simulations include historical external forcings. For each reconstruction, there are three netCDF files containing the ensemble mean (mean of 100 ensemble members) for each climate field. More details can be found in O'Connor et al. (2021).</p> <p>Please cite O'Connor et al. (2021) when using these datasets. <a href="https://doi.org/10.1029/2021GL095999">https://doi.org/10.1029/2021GL095999</a></p>
Supplementary data for the manuscript "Comparison of computational and experimental saturation vapor pressures of α-pinene + O3 oxidation products"
<p>COSMO-files of potential ozonolysis products of α-pinene for the manuscript:<br> Hyttinen, N., Pullinen, I., Nissinen, A., Schobesberger, S., Virtanen, A., and Yli-Juuti, T.: Comparison of computational and experimental saturation vapor pressures of α-pinene + O<sub>3</sub> oxidation products, Atmos. Chem. Phys. Discuss. [preprint], https://doi.org/10.5194/acp-2021-775, in review, 2021.</p>
Data from: Ecological and social pressures interfere with homeostatic sleep regulation in the wild
<p>Sleep is fundamental to the health and fitness of all animals. The physiological importance of sleep is underscored by the central role of homeostasis in determining sleep investment – following periods of sleep deprivation, individuals experience longer and more intense sleep bouts. Yet, most sleep research has been conducted in highly controlled settings, removed from evolutionarily-relevant contexts that may hinder the maintenance of sleep homeostasis. Using tri-axial accelerometry and GPS to track the sleep patterns of a group of wild baboons (<i>Papio anubis</i>), we found that ecological and social pressures indeed interfere with homeostatic sleep regulation. Baboons sacrificed time spent sleeping when in less familiar locations and when sleeping in proximity to more group-mates, regardless of how long they had slept the prior night or how much they had physically exerted themselves the preceding day. Further, they did not appear to compensate for lost sleep via more intense sleep bouts. We found that the collective dynamics characteristic of social animal groups persist into the sleep period, as baboons exhibited synchronized patterns of waking throughout the night, particularly with nearby group-mates. Thus, for animals whose fitness depends critically on avoiding predation and developing social relationships, maintaining sleep homeostasis may be only secondary to remaining vigilant when sleeping in risky habitats and interacting with group-mates during the night. Our results highlight the importance of studying sleep in ecologically relevant contexts, where the adaptive function of sleep patterns directly reflects the complex trade-offs that have guided its evolution.</p>
Data from: Earlier flowering of winter oilseed rape compensates for higher pest pressure in warmer climates
<p>Pest abundance and timing of migration relative to the vulnerable crop stage influence the severity of crop damage and yield loss to insect pests in oilseed rape (OSR). Both abundance and timing are influenced by landscape composition, changes therein due to crop rotation, and temperature. The need for sustainable and temperature-adapted management strategies of OSR pests due to the environmental harm of current conventional practices and global warming calls for a better understanding of the combined effects of landscape composition and temperature on pest abundances, larval parasitism, crop damage and yield, but also of the role of crop phenology for crop damage and yield under field conditions. Here, 29 winter OSR crops were studied along a multi-annual mean temperature gradient (MAT, 1981–2010) in Bavaria, Germany. We measured pest abundances (pollen beetles, stem weevils), crop damage (bud loss, stem tunnelling), pollen beetle larval parasitism and crop yield and calculated Julian dates of flowering from biweekly observations of growth stages. Pest abundances and parasitism were analysed with regard to MAT and landscape parameters at six scales (non-crop habitat and OSR area, change in the proportion of OSR area relative to the previous year; 0.6 km, and 1–5 km in 1-km steps), while analysis of crop damage and yield also included Julian date of flowering. Pollen beetle abundance was increased under higher MAT, but less strongly when OSR proportions were high (1-km scale) and not strongly reduced relative to the previous year (5-km scale), while pollen beetle larval parasitism was overall low but exceeded 30% (considered as threshold for effective natural control) occasionally under both low and high MAT. In contrast to abundance of adult pollen beetles, stem weevil larval abundance – as well as stem damage – did not respond to landscape composition nor MAT. Despite high abundance of adult pollen beetles under high MAT, crop yield was high (and the proportion of bud loss low) under high MAT when OSR flowered early. Our results underpin the potential of targeted landscape management (e.g. through regionally coordinated crop rotations) and timing of flowering (e.g. through cultivar choice) for environment-friendly and temperature-adapted pest management in winter OSR.</p>
Data-set of the partial pressure of CO2, dissolved concentrations of CH4, N2O, NO3-, NO2- and NH4+, specific conductivity and water temperature in the rivers and streams of the Napo River basin in Ecuador (2018, 2019, 2020, 2021)
<p>Data-set consists of two files:</p> <p>- data_ghgs.xlsx : Time-stamped and georeferenced data-set of the partial pressure of CO2 (pCO2 in ppm), dissolved CH4 concentration (CH4 in nmol/L), dissolved N2O concentration (N2O in nmol/L), specific (Sp.) conductivity (in µS/cm), water temperature (in °C), dissolved nitrate concentration (NO3- in µmol/L), dissolved nitrite concentration (NO2- in µmol/L), and dissolved ammonia concentration (NH4+ in µmol/L) in the rivers and streams of the Napo River basin in Ecuador (October 2018 and 2019, January 2019 and 2020, April 2019 and 2021, July 2019 and 2020). Gas measurements were made by headspace equilibration directly in the field with a infra-red gas analyser for CO2 and in the lab with a gas chromatograph for CH4 and N2O. NO3-, NO2- and NH4+ were measured with standard colometric procedures. Sampling and analytical protocols are provided here <a href="https://doi.org/10.5194/bg-16-3801-2019">https://doi.org/10.5194/bg-16-3801-2019</a></p> <p>- RiverATLAS.xlsx: hydro-environmental data for the sampled streams extracted from RiverATLAS (https://www.nature.com/articles/s41597-019-0300-6). Data codes and units are available here: https://data.hydrosheds.org/file/technical-documentation/HydroATLAS_TechDoc_v10_1.pdf</p> <p>First column of each of the two files provides station ID allowing to merge both data-sets.</p>
Data Set: Single-well pore pressure preconditioning for Enhanced Geothermal System stimulation
<p>This is the Python code and plotted figure data used to create the figures for the submitted manuscript, "Single-well pore pressure preconditioning for Enhanced Geothermal System stimulation" submitted to JGR: Solid Earth in 2022.</p> <p>The manuscript concerns a novel technique developed for EGS stimulation, called pore pressure or effective normal stress preconditioning, which preemptively alters the stress field along a fault prior to injection, such that the risk of induced seismicity is reduced. Using a slightly altered version of a preexisting model (a combination of an analytical pore pressure model and a linear slip weakening seismicity model) the effect of this kind of treatment is evaluated.</p>
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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.