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28 results for “high pressure and temperature”
Time series of high-frequency sensor data measuring water temperature, dissolved oxygen, pressure, conductivity, specific conductance, total dissolved solids, chlorophyll a, phycocyanin, fluorescent dissolved organic matter, and turbidity at discrete depths in Falling Creek Reservoir, Virginia, USA in 2018-2025
We monitored water quality in Falling Creek Reservoir (Vinton, Virginia, USA; 37.30325 -79.8373) with high-frequency (10-minute) sensors in 2018-2025. All variables were measured at the deepest site of the reservoir adjacent to the dam. Falling Creek Reservoir is owned and managed by the Western Virginia Water Authority as a primary drinking water source for Roanoke, Virginia. This data product consists of one dataset compiled of depth profiles of water temperature on 1-m intervals from 0.1 to 9 m depth; dissolved oxygen at 5 m and 9 m depth; pressure at 9 m depth; and temperature, dissolved oxygen, conductivity, specific conductance, chlorophyll a, phycocyanin, total dissolved solids, fluorescent dissolved organic matter, turbidity, and pressure at ~1.6 m depth. The dataset is accompanied by a sensor maintenance log and quality assurance/quality control analysis scripts.
High resolution stream temperature, pressure, and estimated depth from transducers in streams in the Lake Sunapee watershed, New Hampshire, USA 2010-2018
Seven in-stream HOBO pressure transducers and one reference HOBO pressure transducer have been deployed within the Lake Sunapee, NH, USA watershed. Six of the transducers have been in operation since 2010 and an additional transducer was added in 2016. The transducers record data every 15 minutes, and data are downloaded approximately three times per year (early Spring, mid Summer and late Fall). Shortly after download, the data are processed to estimate stream depth using HOBOware's Barometric Compensation Assistant and converted to a .csv file in HOBOware. The data have been QAQC'd to recode obviously errant data to NA using R programming language. No data transformation has occurred beyond basic QAQC of the data to remove known data issues and obviously errant data. The barometric pressure data from the reference transducer located on land are also included in this data package.
An ultrasound probe array for a high-pressure, high-temperature solid medium deformation apparatus: CAD drawings
<p>CAD drawings of cooled load plate and base plate for integrating pizoelectric needle sensors. Electrical schema of heating system. Dimensional pdf drawings of sigma 1 piston for integration of pizoelectric needle sensors. Matalb code for basic 1D source localization, synchronization of triggered AE data with mechanical data and plotting of AE rate.</p>
Thermodynamic parameters and elasticity data of phase D at high pressures and temperatures
<p>This dataset contains all the original data for figures in the article "Thermoelasticity of phase D and implications for low-velocity anomalies and local discontinuities at the uppermost lower mantle" submitted to American Mineralogist.</p>
Chemical reaction between ferropericlase (Mg,Fe)O and water under high pressure-temperature conditions of the deep lower mantle
<p>The XRD datasets and the multigrain dataset for the article "Chemical reaction between ferropericlase (Mg,Fe)O and water under high pressure-temperature conditions of the deep lower mantle" by Yang et al.</p>
A high pressure, high temperature gas medium apparatus to measure acoustic velocities during deformation of rock: supporting information
<p>Processed mechanical data and raw transmitted waveforms.</p>
High temperatures and human pressures interact to influence mortality in an African carnivore
<p>1. The impacts of high ambient temperatures on mortality in humans and domestic animals are well understood. However much less is known about how hot weather affects mortality in wild animals. High ambient temperatures have been associated with African wild dog Lycaon pictus pup mortality, suggesting that high temperatures might also be linked to high adult mortality.</p> <p>2. We analysed mortality patterns in African wild dogs radio-collared in Kenya (0°N), Botswana (20°S) and Zimbabwe (20°S), to examine whether ambient temperature was associated with adult mortality.</p> <p>3. We found that high ambient temperatures were associated with increased adult wild dog mortality at the Kenya site, and there was some evidence for temperature associations with mortality at the Botswana and Zimbabwe sites.</p> <p>4. At the Kenya study site, which had the highest human impact, high ambient temperatures were associated with increased risks of wild dogs being killed by people, and by domestic dog diseases. In contrast, temperature was not associated with the risk of snare-related mortality at the Zimbabwe site, which had the second-highest human impact. Causes of death varied markedly between sites.</p> <p>5. Pack size was positively associated with survival at all three sites.</p> <p>6. These findings suggest that while climate change may not lead to new causes of mortality, rising temperatures may exacerbate existing anthropogenic threats to this endangered species, with implications for conservation. This evidence suggests that temperature-related mortality, including interactions between temperature and other anthropogenic threats, should be investigated in a greater number of species to understand and mitigate likely impacts of climate change.</p>
Single-crystal elasticity of phase E at high pressure and temperature: Implications for the low-velocity layer atop the 410-km depth
<p>This is the dataset for the paper "Single-crystal elasticity of phase E at high pressure and temperature: Implications for the low-velocity layer atop the 410-km depth".</p>
Data on chemical kinetics of high-temperature high-pressure combustion
<p><span>Key thermal reaction speed constant data for main temperature range</span></p>
Crystallographic Preferred Orientation of Phase D at High Pressure and Temperature: Implications for Seismic Anisotropy in the Mid-mantle
<p> The dataset includes the data of Crystallographic Preferred Orientation of phase D aggregates in this study. It include electron backscatter diffraction (EBSD) mapping data in .cpr and .crc file and transmission two-dimensional X-ray diffraction (2D-XRD) patterns acquired at BL04B1 beamline of synchrotron facility of SPring-8, Hyogo, Japan. </p>
Persistent Photoluminescence and Mechanoluminescence of a Highly Sensitive Pressure and Temperature Gauge in Combination with a 3D-printable Optical Coding Platform
<p><span>Distinct types of luminescence that are activated by various stimuli in a single material offer exciting developmental opportunities for functional materials. In this study, we introduce a versatile sensing platform that exhibits three types of luminescence: photoluminescence (PL), persistent luminescence (PersL), and mechanoluminescence (ML), which enables the sensitive detection of temperature, pressure, and force/stress. The developed Sr<sub>2</sub>MgSi<sub>2</sub>O<sub>7</sub>:Eu<sup>2+</sup>/Dy<sup>3+</sup> material exhibits a linear relationship between ML intensity and force, and can be used as an ML stress sensor within the 3–30 N range. Additionally, the full width at half maximum (FWHM) value of the PL emission band and the PL lifetime of this material are remarkably sensitive to changes in temperature, with values of approximately 0.05 nm/K and 1.29 %/K, respectively. This study demonstrated the use of PersL for sensing pressure for the first time, along with its long-lasting (seconds) lifetime as a manometric parameter. The developed material functions as an exceptionally sensitive triple-mode visual pressure sensor; specifically it exhibits: i) a sensitivity of approximately −297.4 cm<sup>−1</sup>/GPa (8.11 nm/GPa) in bandshift mode, ii) a sensitivity of ~272.7 cm<sup>−1</sup>/GPa (14.8 nm/GPa) in bandwidth mode, and iii) a sensitivity of 42 %GPa<sup>−1</sup> in PL-lifetime mode, which is the highest value reported to date. Notably, anti-counterfeiting, night-vision safety-sign, 8-bit optical-coding, and QR-code applications that exhibit intense PersL were demonstrated by 3D-printing the studied material in combination with a polymer.</span></p>
Dataset for "Early Jurassic rift-related low-pressure-high–temperature granulite facies metamorphism generates widespread peraluminous crustal melts"
<p>This repository contains data for the manuscript "Early Jurassic rift-related low-pressure-high–temperature granulite facies metamorphism generates widespread peraluminous crustal melts" by Anthony Ramírez-Salazar, Mattia Parolari, Arturo Gómez-Tuena, Fernando Ortega-Gutiérrez, and Mariano Elías-Herrera submitted for publication to Geochemistry, Geophysics, Geosystem.</p> <p>The file contains geochemical, isotopic and geochronological data collected from the metapelitic xenoliths of Pepechuca, southern Mexico. All xenoliths were collected between the coordinates 18° 47´ 17.36´´N, 100° 04´ 07.92´´W and 18° 47´ 12.47´´N, 100° 04´ 05.00´´W. The dataset is divided in four tables:</p> <p>Table S1 Xenoliths' Bulk rock major elements<br>Table S2 Xenoliths' trace elements<br>Table S3 Xenoliths' Sr, Nd, Hf and Pb isotopic compositions<br>Table S4 U-Pb and trace element data of the xenoliths</p> <p><br>Anthony Ramírez-Salazar. e-mail: r.s.anthonyy@gmail.com; anthony@geologia.unam.mx</p>
High temperatures and human pressures interact to influence mortality in an African carnivore
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The Origin of the Lehmann Discontinuity beneath the Ancient Craton: Insight from the High Pressure-Temperature Elasticity Measurements of Topaz
<p>Data sets for the paper "The Origin of the Lehmann Discontinuity beneath the Ancient Craton: Insight from the High Pressure-Temperature Elasticity Measurements of Topaz".</p>
Atomic structures derived from high-temperature and -pressure transformations from C60 fullerenes
<p>These are XYZ files containing the atomic structures depicted in the high-temperature and high-pressure C<sub>60</sub> phase diagram (figure 7) of this publication:</p> <blockquote> <p>Machine learning force fields based on local parametrization of dispersion interactions: Application to the phase diagram of C<sub>60</sub><br> Heikki Muhli, Xi Chen, Albert P. Bartók, Patricia Hernández-León, Gábor Csányi, Tapio Ala-Nissila, and Miguel A. Caro<br> Phys. Rev. B 104, 054106 (2021)</p> <p><a href="https://doi.org/10.1103/PhysRevB.104.054106">https://doi.org/10.1103/PhysRevB.104.054106</a></p> </blockquote> <p>The structures were generated with a general-purpose Gaussian approximation potential (GAP) for carbon whose training database included a large number of C<sub>60</sub> structures. Refer to the publication listed above for the details of the simulation and an analysis of the structures.</p>
Synchrotron source FTIR data (high-pressure, high-temperature) on chrysene, C18H12.
<p>This dataset contains experimental data collected on chrysene, C18H12, in a diamond anvil cell at pressures up to 10 GPa and a temperature range of 30-300 C</p> <p>Experimental data: synchrotron source FTIR data collected at Beamline X01DC in 2009, using the instrumentation documented in "<a href="http://dx.doi.org/10.1021/jp105020f">Stability of Coronene at High Temperature and Pressure</a>," <em>JOURNAL OF PHYSICAL CHEMISTRY B</em>, Vol: 114, Pages: 15753-15758, ISSN: 1520-6106, doi: 10.1021/jp105020f. FTIR-microspectrometry in transmission was performed using synchrotron light at the Swiss Light Source operated in top-up mode. Thus the infrared intensity remains constant with time. The IR focus available at the end of the beamline was coupled to the side port of a Bruker Vertex 70 FTIR spectrometer with an <em>f</em>1 = 34 mm/<em>f</em>2 = 213 mm ellipsoidal mirror. The spectrometer, equipped with a KBr beamsplitter, was coupled to the input of a Bruker Hyperion IR microscope without any additional optics. The microscope was equipped with two ×15 gold-coated Cassegrain objectives. The illuminated region of the sample was determined by an aperture of some 20−45 μm × 20−45 μm. In order to reduce the effect of scattered light and to enhance contrast fidelity, an identical conjugate aperture was placed between the collecting optics and the nitrogen-cooled mercury−cadmium−telluride (MCT) detector. Resolution and number of coadded scans were 4 cm<sup>−1</sup> and 256, respectively. Crystals were observed in parallel by use of white light and a charge-coupled device (CCD) camera.</p> <p>Each zip file contains data files in raw (OPUS) and plain text (.dpt) formats, and a pdf scane of the labbook, which provides a key to relate the file names to the pressure/temeprature of the sample. Raw files are provided for both the background and the sample; plain text files were created from processed files. </p>
Elasticities of CaCO3 high-pressure phases under high pressure and temperature conditions
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Ultrasonic experimental results of hcp-Fe at high pressure and high temperature
<p>The sound velocities and lattice parameters of hcp-Fe at high pressure and high temperature conditions in the paper "Reassessment of Birch’s Law on hcp-Fe from ultrasonic sound velocity measurement and implications on the velocity profiles of Earth’s inner core" submitted to Journal of Geophysical Research Solid Earth.</p>
Ultrasonic wave from high pressure and temperature experiments
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Depressurization of CO2 in a pipe: High-resolution pressure and temperature data and comparison with model predictions – dataset
<p>This dataset contains data from depressurization of pure CO<sub>2</sub> and nitrogen in a tube from a gaseous and a dense-liquid state. The data are described in the accompanying paper (DOI: <a href="https://doi.org/10.1016/j.energy.2020.118560">10.1016/j.energy.2020.118560</a>).</p> <p>Test number; fluid; pressure (MPa); temperature (deg C):<br> 3; CO2; 4.04; 10.2<br> 4; CO2; 12.54; 21.1<br> 6; CO2; 10.40; 40.0<br> 8; CO2; 12.22; 24.6<br> 11; N2; 5.13; 10.0</p> <p><br> </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.