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6,568 results for “Pressure”
Greenhouse gas partial pressure (CO2, CH4, N2O) and environmental variables (physical, chemical, and biological) measured in urban ponds of Barcelona during summer and winter (2023-2024)
This dataset provides information on the partial pressure of greenhouse gases (CO₂, CH₄, and N₂O) measured in 41 artificial urban ponds—28 naturalized and 13 non-naturalized—using the headspace technique. Additionally, GPS coordinates, as well as physical, chemical, and biological variables for each pond, are included. Data were collected during the summer and winter seasons, during daytime. Furthermore, a subset of 16 ponds (8 naturalized and 8 non-naturalized) was also sampled at night in both seasons. All samples were taken from the water surface.
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.
Hubbard Brook Experimental Forest: Vapor Pressure Measurements, 1966 - ongoing
Relative humidity has been measured within the Hubbard Brook Experimental Forest since 1956. Prior to 1981, relative humidity was measured at seven hygrothermographs within the forest. Minimum relative humidity at the time of maximum daily temperature was converted to vapor pressure. Digital data from the hygrothermograph charts are only available for three short periods prior to 1981: January 1966 to April 1966; June 1967 to Sept. 1967 and; May 1971 to April 1973. Beginning in 1981, a humidity sensor has operated as part of the automatic weather station at Headquarters. After installation of the digital sensor in 1981, mean daily air temperature and mean daily relative humidity were used in vapor pressure calculations. These data were gathered at the Hubbard Brook Experimental Forest in Woodstock, NH, which is operated and maintained by the USDA Forest Service, Northern Research Station.
Global Extra-tropical Circulation Database based on the Jenkinson-Collison Classification calculated with 6-hourly mean sea-level pressure fields from various reanalysis datasets
<h1>Dataset Description</h1> <p>Global Extra-tropical Circulation Database based on the Jenkinson-Collison Classification calculated with 6-hourly mean sea-level pressure fields from several reanalysis datasets. This dataset is the result of an extension of the Jenkinson-Collison circulation type classification to the entire globe, including a modification of its original formulation for the southern hemisphere.</p> <p>A modified version of the IPCC-AR6 Reference Regions that excludes the intertropical range where the method is not applicable is also included, as used in the reference paper for global assessment.</p> <p>Further details in <a href="https://doi.org/10.1007/s00382-022-06658-7" target="_blank" rel="noopener">https://doi.org/10.1007/s00382-022-06658-7 </a></p> <h2>Note for version 1.1.0</h2> <p>This version corrects an issue in the previous release, which was incorrectly labeled as <em>version 0.1</em>. That version was incomplete due to the omission of previously existing files, and should be considered <strong>incomplete</strong>. Version 1.1.0 restores all original files alongside the newly added one, ensuring the dataset is now complete and consistent. We apologize for any inconvenience this may have caused and appreciate your understanding.</p>
Marcell Experimental Forest 30-minute air temperature, relative humidity, and barometric pressure, 2015 - ongoing
This data publication contains air temperature, relative humidity, and atmospheric pressure data collected at 30-minute resolution from 2015-ongoing at three long term meteorological monitoring stations at the Marcell Experimental Forest (MEF). The MEF is located in Itasca County, Minnesota and is operated and maintained by the USDA Forest Service, Northern Research Station.
Bonanza Creek LTER: Hourly Barometric Pressure Measurements from 1995 to Present in the Bonanza Creek Experimental Forest near Fairbanks, Alaska
A Campbell Scientific data logger and pressure sensor were used to measure barometric pressure at the LTER1 meteorological station in the Bonanza Creek Experimental Forest (BCEF) beginning in 1995.
Bonanza Creek LTER: Hourly Barometric Pressure Measurements from 2000 to Present in the Caribou-Poker Creeks Research Watershed near Fairbanks, Alaska
A Campbell Scientific data logger and pressure sensor were used to measure barometric pressure at the CRREL meteorological station in the Caribou-Poker Creeks Research Watershed (CPCRW) beginning in 2000.
Bonanza Creek LTER: Hourly Vapor Pressure (VP) Measurements from 1988 to Present in the Bonanza Creek Experimental Forest near Fairbanks, Alaska
Calculated vapor pressure values using the air temperature and relative humidity data collected at the corresponding Bonanza Creek climate station 150cm sensors.
Bonanza Creek LTER: Hourly Vapor Pressure (VP) Measurements from 2006 to Present in the Caribou-Poker Creeks Research Watershed near Fairbanks, Alaska
Calculated vapor pressure values using the air temperature and relative humidity data collected at the corresponding Caribou-Poker Creeks Research Watershed climate station.
Data and code from Artificial light at night increases top-down pressure on caterpillars: experimental evidence from a light-naive forest - 2021-2022
This dataset has been prepared in support of a paper to be published in Proceedings of the Royal Society B: Biological Sciences. It includes both data files and R scripts used for the analysis in this publication: Deitch, J.F. and S.A. Kaiser. 2023. Artificial light at night increases top-down pressure on caterpillars: experimental evidence from a light-naive forest. Proceedings of the Royal Society B: Biological Sciences. (https://doi.org/10.1098/rspb.2023.0153) Artificial light at night (ALAN) is a globally widespread and expanding form of anthropogenic change that impacts arthropod biodiversity. ALAN alters interspecific interactions between arthropods, including predation and parasitism. Despite their ecological importance as prey and hosts, the impact of ALAN on larval arthropod stages, such as caterpillars, is poorly understood. We examined the hypothesis that ALAN increases top-down pressure on caterpillars from arthropod predators and parasitoids. We experimentally illuminated study plots with moderate levels (10-15 lux) of LED lighting at light-naive Hubbard Brook Experimental Forest, New Hampshire. We measured and compared between experimental and control plots: 1) predation on clay caterpillars and 2) abundance of arthropod predators and parasitoids. We found that predation rates on clay caterpillars and abundance of arthropod predators and parasitoids were significantly higher on ALAN treatment plots relative to control plots. These results suggest that moderate levels of ALAN increases top-down pressure on caterpillars. We did not test mechanisms, but sampling data indicates that increased abundance of predators near lights may play a role. This study highlights the importance of examining the effects of ALAN on both adult and larval life stages and suggests potential consequences of ALAN on arthropod populations and communities. These data were gathered as part of the Hubbard Brook Ecosystem Study (HBES). The HBES is a collaborative effort at the Hubba
Derived SPEI and vapor pressure deficit for 15 NPP study sites on the Jornada Basin, 2013-ongoing
Standardized Precipitation Evapotranspiration Index (SPEI) and minimum, maximum, and average vapor pressure deficit (VPD) were calculated from meteorological data (temperature, precipitation, and relative humidity) from the 15 net primary production (NPP) study locations on the Jornada Experimental Range (JER) and the Chihuahuan Desert Rangeland Research Center (CDRRC) lands in southern New Mexico, U.S.A.
Atmospheric pressure on Hog Island, Phillips Creek Marsh and Oyster, VA 2012-2025
Barometric pressure is measured hourly at meteorological stations on the Atlantic Coast of the Delmarva Peninsula. Data is available as a long table that gives the average, minimum and maximum air pressure for each station at each time, or as a table that gives the average values for each of the stations, along with the median value across stations on each line.
Pressure and chemical substituion in the Kitaev magnet alpha-RuCl3
<p>These dataset is the result of investigation of the effect of pressure and chemical substituion in the Kitaev magnet alpha-RuCl3.<br> <br> These data corresponds to the experimental results discussed in the open access publications: https://doi.org/10.1103/PhysRevB.97.241108 and https://doi.org/10.1103/PhysRevB.99.214410.<br> <br> Every odd column contains temperature values. Every even column contains the physical quantity (magnetization or specific heat depending on the title of the files) measured at the temperature indicated in the previous column under the conditions described in the third line of the column. These conditions can be pressure or composition change as indicated in the title of the file.<br> Physical units used are Kelvin, emu/mol/Oe and J/mol/K for temperature, magnetization and specific heat respectively as indicated in the second line of the table.</p>
Development of piezocapacitive pressure sensor by DLP
<p>This data set corresponds to the analyses carried out in the following article: Arias‐Ferreiro, G., Ares‐Pernas, A., Lasagabáster‐Latorre, A., Dopico‐García, M. S., Ligero, P., Pereira, N., ... & Abad, M. J. (2022). <br>Photocurable printed piezocapacitive pressure sensor based on an acrylic resin modified with polyaniline and lignin. Advanced Materials Technologies, 7(8), 2101503.<br>DOI: 10.1002/admt.202101503</p>
New Zealand Hikurangi Margin temperature and pressure loggers - data sets.
<p>Description of data</p> <p>In 2019, 14 RBR data loggers were purchased as a supplement to an existing NSF grant, and were tested, calibrated, and deployed on the Hikurangi Subduction Zone margin as part of the Evan Solomon (UW) deployment of flow meters at this site. The purpose of the Solomon pore fluid analysis program was to determine the impact of Slow Slip Tectonic Events on near-surface fluid flow for this active margin. The purpose of the supplemental RBR loggers, attached directly to fluid flow meters, was to add the key components of pressure and temperature to this data set and specifically to identify any sediment slope failures and turbidity flows that occur during the two year deployment period.</p> <p>By May 6, 2021, all of the Solomon flow meters have been recovered with the attached UW supplemental RBR loggers. The loggers were be subjected to a final ice bath calibration test prior to data-download in New Zealand and all T/P data will be returned to UW via internet. The physical data loggers were then be returned to UW via air freight.</p> <p>The data in these Zenodo data archive files include all of the pre-cruise and post-cruise calibrations fro the RBR T/P loggers, the raw and calibrated data, and the locations of the stations. Also included are some infrastructure information including a multi-channel seismic profile showing that locations on the Hikurangi margin with known fault zones, and a published catalogue of earthquakes that occurred during the logger deployment period.</p> <p> </p>
Monsoon low-pressure-system tracks over South Asia (1979-2019)
<p>Monsoon LPS tracks over South Asia, computed using ERA-Interim reanalysis data.<br> Tracking algorithm described in Hunt and Fletcher (2018) [doi:10.1007/s00382-019-04744-x] and Hunt <em>et al.</em> (2016) [doi:10.1175/MWR-D-15-0138.1].<br> <br> Description of fields:<br> <em>point_id</em>: unique integer identifier for each point<br> <em>time</em>: string with format DD/MM/YY HH:MM, denoting time of detected track point<br> <em>lon</em>: longitude of detected track point<br> <em>lat</em>: latitude of detected track point<br> <em>track_id</em>: unique integer identifier for each track (constituting a group of points)<br> <em>vort</em>: relative vorticity at 850 hPa for the given point (units: s<sup>-1</sup>)<br> <em>circulation</em>: vorticity integrated over the blob of positive vorticity containing the track point (units: arb)<br> <em>eccentricity</em>: eccentricity of the vorticity blob containing the track point<br> <em>category</em>: integer from 0-6 denoting the category of the LPS at the given point, approximately matching IMD criteria. 0: low-pressure area, 1: deep low-pressure area, 2: depression, 3: deep depression, 4: cyclonic storm, 5: severe cyclonic storm, 6: very severe cyclonic storm (and above).</p>
SOUNDSCAPE North Adriatic Underwater Noise Sound Pressure Levels
<p>Within the Interreg Italy-Croatia <strong>SOUNDSCAPE</strong> <strong>project</strong> a basin-scale, cross-national, long-term underwater monitoring in the Northern Adriatic Sea was carried out (https://www.italy-croatia.eu/web/soundscape). A broad network of nine monitoring stations, characterized by different natural conditions and anthropogenic pressures, ensured acoustic data collection from March 2020 to June 2021, including the first full lockdown period related to the COVID-19 pandemic (March–April 2020). Calibrated stationary recorders featured with an omnidirectional Neptune Sonar D60 Hydrophone recorded continuously 24h a day (48 kHz, 16 bit).</p> <p>Data were analysed to Sound Pressure Levels (SPLs, dB re 1 uPa) that are here released as a dataset composed of 20 and 60 seconds averaged SPL output files for each station. Data are archived using structured hdf5 files, each one containing metadata and SPL data, according to ICES (International Council for the Exploration of the Sea) continuous noise data specification (https://www.ices.dk/data/data-portals/Pages/Continuous-Noise.aspx).</p> <p>A research object with a jupyter notebook developed to post process SPL data is available at https://doi.org/10.24424/hrhm-8849</p> <p>If data are used, please cite also Petrizzo, A., Barbanti, A., Barfucci, G. <em>et al.</em> Author Correction: First assessment of underwater sound levels in the Northern Adriatic Sea at the basin scale. <em>Sci Data</em> <strong>10</strong>, 179 (2023). https://doi.org/10.1038/s41597-023-02099-x</p>
Protocol for a systematic review: association between airborne pollen, intermittent allergic rhinitis and blood pressure
<p>Previous epidemiological studies have found an increased risk of cardiovascular morbidity and mortality following days with heightened pollen exposure and suggested that intermittent allergic rhinitis might be associated with blood pressure. Pollen sensitization and subsequent pollen exposure cause local inflammation and cytokine release in individuals with intermittent allergic rhinitis (pollen allergy). Inflammatory mediators can travel throughout the body, hence providing the physiologic basis by which pollen allergy may lead to systemic inflammation, which is known to be a risk factor for cardiovascular events. However, the findings regarding the potential association between intermittent allergic rhinitis, pollen exposure, and cardiovascular health are not fully conclusive. To date, no systematic review has been published on this topic.</p> <p>This systematic review seeks to answer: Are exposure to airborne pollen and intermittent allergic rhinitis associated with blood pressure? Secondary questions include: (1) Are there personal characteristics (sex, age) which modify a potential association between intermittent allergic rhinitis or pollen exposure with blood pressure and/or hypertension? (2) What research gaps exist in our understanding of how intermittent allergic rhinitis, pollen exposure, and cardiovascular health are interrelated?</p> <p>Published herein are:</p> <ul> <li>Protocol for the systematic review, including the search strategy</li> <li>Supplement 1: PROSPERO registration</li> <li>Supplement 2: Data extraction table</li> <li>Supplement 3: Risk of bias assessment strategy</li> <li>Supplement 4: Risk of bias assessment tool</li> </ul>
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.
Monthly vertical profiles of salinity, temperature, pressure, oxygen and photosynthetically-available radiation in Sapelo River, Doboy Sound, Duplin River and Altamaha River transect surveys from April 2008 to April 2015
Monthly hydrographic surveys were performed along the Sapelo River, Doboy Sound, Duplin River and Altamaha River from April 2008 to April 2015. Vertical CTD profiles were collected from the surface to bottom during low and high tide phases at fixed stations chosen to coincide with long-term GCE-LTER moorings. Conductivity, temperature, pressure, photosynthetically-available radiation (PAR) and oxygen concentration were measured at 8 Hz using a SeaBird Electronics SBE-37 instrument, and depth, salinity and sigma-t and oxygen saturation were calculated using UNESCO algorithms. Data values collected during the upcast were deleted. This data set was collected as part of the Georgia Coastal Ecosystems LTER monthly hydrographic monitoring program, and will be updated approximately annually to include the latest observations.
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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.