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135 results for “Water content”
Water Content in E-Liquids
ClinicalTrials.gov study NCT05257109. IPD Sharing: NO. Countries: 1. Publications: 0.
Stable water isotopes reveal the onset of bud dormancy in temperate trees, whereas water content is a better proxy for dormancy release
Open the record for dataset details and reuse information.
Welker IPY snow fence shrub site soil temperatures and soil water content Toolik, Alaska 2008.
Soil temperature from three locations on the eastern side of the Toolik River where by snow fences were established as part of IPY. This is a study of how soil temperatures at 10 cm and soil moisture change across the summer at our IPY snow fence site .
SGS-LTER CO2 Elevation Study: Weekly volumetric soil water content, from TDR probes, for Open Top Chamber plots on the Central Plains Experimental Range, Nunn, Colorado, USA 1997-2001
This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets and background information (proposals, reports, photographs, etc.) on the SGS-LTER project are contained in a comprehensive project collection within the Digital Collections of Colorado (http://digitool.library.colostate.edu/R/?func=collections&collection_id=3429). The data table and associated metadata document, which is generated in Ecological Metadata Language, may be available through other repositories serving the ecological research community and represent components of the larger SGS-LTER project collection. Additional information and referenced materials can be found: http://hdl.handle.net/10217/82454. Volumetric soil water content was measured in the 0-15 cm soil depth layer using TDR probes, nearly weekly, in ambient and elevated CO2 open-top-chambers, and unchambered plots. A consistent improvement in SWC was seen in the elevated CO2 plots, while ambient-chambered plots often had lowest SWC. This research was conducted at the Central Plains Experimental Range, near Nunn, CO; lat.40degrees 40 minutes N; long. 104 degrees 45 minutes W in the shortgrass steppe region of NE Colorado, USA and as a collaboration between SGS-LTER and USDA-ARS researchers.
Soil water content determined at saturation and water holding capacity and calculated at 50% water filled pore space
<p>Optimizing soil microbial activity requires an equal balance between water- and air-filled porosity, i.e. 50% water filled pore space (WFPS). However, many soil biological investigations report water as some fraction of water-holding capacity (WHC). This study was conducted to fill a quantitative gap between WFPS and WHC. Soil samples (n=198) from 10 eastern U.S. states and one state in Brazil provided a wide distribution of clay (0.064-0.487 kg kg<sup>-1</sup>) and soil organic C (SOC, 5.2-52.0 g kg<sup>-1</sup>) concentrations (5-95% range). Gravimetric soil water content (SWC) was determined at WHC and at saturation. Both clay and SOC concentrations strongly influenced SWC; the effect of SOC was strongest and non-linear. To achieve 50% WFPS, gravimetric SWC was 0.69<u>+</u>0.10 times that of WHC and 0.59<u>+</u>0.03 times that of saturation. For soil biological assays, 50% WFPS could be reasonably accurately and simply achieved with calculations using gravimetric SWC at saturation multiplied by 0.59. </p>
Supporting data for "Water content of the dehydration melting layer in the topmost lower mantle" by H. Fei
<p>This is the EPMA and XRD data for "Water content of the dehydration melting layer in the topmost lower mantle" by H. Fei.</p>
Irrigation well water in Nebraska: essential nutrient contents and other properties
<p>Water nutrient concentrations and other properties were surveyed by sampling water from 642 irrigation wells in Nebraska. The amount of Ca, Mg, S, Cl, and B applied in irrigation exceeds removal in 15 Mg ha<sup>-1</sup> of corn (<i>Zea mays</i> L.) grain harvest for most wells. Irrigation supply exceeded corn grain harvest removal of K, Mn and Mo for >20% of the wells. The supply of P, Zn, Cu, Fe, and Mo was generally very low but sufficient with some wells to be considered in nutrient management plans. The median level of nitrate N was 4.4 ppm with 25% of the wells having >10 ppm NO<sub>3</sub>-N which is above the suitability limit for human consumption. The agricultural lime equivalent applied with one or two ML of irrigation was enough to neutralize the acidifying effect of 200 kg ha<sup>-1</sup> of fertilizer-N for 70% or 89% of the wells. Nutrient and lime supply was relatively low for Sandhills wells and relatively high for wells in river valleys of <100 ft depth. No wells had excessive Na levels but 0.3% of the wells had salinity levels of concern. A grouping of wells into 11 aquifer, geological formation and well-depth combinations accounted for >20% of the variation for most water properties but much variation occurred within groups. Sampling of the well water is needed for full optimization of nutrient and soil management. Information on nutrients supplied through irrigation should be complemented by regular soil testing and the use of recommended nutrient management guidelines.</p>
Data from: Combining ground‐penetrating radar with terrestrial LiDAR scanning to estimate the spatial distribution of liquid water content in seasonal snowpacks
Many communities and ecosystems around the world rely on mountain snowpacks to provide valuable water resources. An important consideration for water resources planning is runoff timing, which can be strongly influenced by the physical process of water storage within and release from seasonal snowpacks. The aim of this study is to present a novel method that combines light detection and ranging with ground‐penetrating radar to nondestructively estimate the spatial distribution of bulk liquid water content in a seasonal snowpack during spring snowmelt. We develop these methods in a manner to be applicable within a short time window, making it possible to spatially observe rapid changes that occur to this property at subdaily timescales. We applied these methods at two experimental plots in Colorado, showing the high variability of liquid water content in snow. Volumetric liquid water contents ranged from near zero to 19%vol within the scale of meters. We also show rapid changes in bulk liquid water content of up to 5%vol that occur over subdaily timescales. The presented methods have an average uncertainty in bulk liquid water content of 1.5%vol, making them applicable for future studies to estimate the complex spatio‐temporal dynamics of liquid water in snow.
Data from: Investigation of nitrogen and phosphorus contents in water in the tributaries of Danjiangkou Reservoir
.As part of the efforts to ensure adequate supply of quality water from Danjiangkou Reservoir to Beijing, surface water were sampled from the tributaries of Danjiangkou Reservoir in normal (May), flood (August) and dry (December) seasons of 2014, and characterized for nitrogen and phosphorus contents as specified in the applicable standards. Test results indicated that 1)the organic pollutions in Sihe and Shendinghe rivers were more serious than those in other tributaries, and the concentrations of nitrogen and phosphorus favoured the growth of most algae; 2) total phosphorus (TP), total nitrogen (TN) and dissolved inorganic nitrogen (DIN) were in the forms of dissolved phosphorus (DTP), dissolved nitrogen (DTN) and nitrate nitrogen (NO3-N) in these seasons, respectively; 3) compared with nitrogen, phosphorus was more likely to block phytoplankton overrunning; 4)TN, TP, permanganate index (CODMn) and other ions were positively correlated. These findings provided an important basis for the effective measures taken later on as appropriate to ensure adequate supply of quality water from Danjiangkou Reservoir to Beijing.
FIGURE 2A–E in A new species of water mite (Acari, Hydrachnidia) from Assam, India, found in the gut contents of the fish Botia dario (Botiidae)
FIGURE 2A–E. Torrenticola episce sp. nov., holotype male: A = dorsal shield; B = ventral shield; C = gnathosoma; D = palp, medial view; E = palp, lateral view. Scale bars = 100 Μm.
FIGURE 4A–C. A–B in A new species of water mite (Acari, Hydrachnidia) from Assam, India, found in the gut contents of the fish Botia dario (Botiidae)
FIGURE 4A–C. A–B Hygrobates cf. sinensis Uchida & Imamura, 1951, female: A = genital field; B = palp. C Torrenticola haliki Pešić & Smit, 2010, male: palp, medial view. Scale bars = 100 Μm.
FIGURE 1A–B. A in A new species of water mite (Acari, Hydrachnidia) from Assam, India, found in the gut contents of the fish Botia dario (Botiidae)
FIGURE 1A–B. A) Sampling site (Kakarikata beel, Majuli Island, Assam State, India; (B) the fish Botia dario (Hamilton, 1822).
FIGURE 3A–C in A new species of water mite (Acari, Hydrachnidia) from Assam, India, found in the gut contents of the fish Botia dario (Botiidae)
FIGURE 3A–C. Torrenticola episce sp. nov., paratype female: A = dorsal shield; B = ventral shield; C = palp, medial view. Scale bars = 100 Μm.
Liquid water content and vertical velocity from RICO-based LES simulations
<p>The RICO-based simulations by implementing the LES module of WRF model 4.0 generate the raw data. The simulation continued for 40 hours with a time step of 0.5 second. The domain size is 12.8×12.8×4 km<sup>3</sup>, with a resolution of 50 m and 40 m in the horizontal and vertical orientation, respectively. The outputs during 8~40 hour were retained every 20 minutes. Two parameters (LWC and vertical velocity) were then extracted by using MATLAB to create the following dataset. Additionally, LWC at 1 min before each moment was also uploaded for tracking. The "q" and "w" in the filename represent LWC and vertical velocity, respectively, and the number in the filename represents the corresponding hour and minute (e.g. "q24_20" means LWC value at 24h20m). The unit of "q" and "w" are "kg/kg" and "m/s' respectively.</p>
Data in support to the paper: Comparison of Soil Water Content from SCATSAR-SWI and Cosmic Ray Neutron Sensing at four agricultural sites in Northern Italy: insights from spatial variability and representativeness by Emamalizadeh et al. (2024)
<p>The study was conducted within the 21GRD08 SoMMet project. The SoMMet project has received funding from the European Partnership on Metrology, co-financed from the European Union’s Horizon Europe Research and Innovation Programme and by the Participating States (funder name European Partnership on Metrology; funder ID 10.13039/100019599; grant no. 21GRD08 SoMMet).</p>
High water contents in zircons suggest water-fluxed crustal melting during cratonic destruction
<p>1. Three data sets for water content, oxygen isotope, Hf isotope, trace element of granitic zircons. <br> 2. One data set for zircon water content in different tectonic settings.<br> 3. Supporting informations</p>
Data from: Identifying conservation priorities for gorgonian forests in Italian coastal waters with multiple methods including citizen science and social media content analysis
<div> <div> <div> <div> <p>Gorgonian forests are among the most complex of subtidal habitats in the Mediterranean Sea, supporting high biodiversity and providing diverse ecosystem services. Despite their iconic status, the geographical distribution and condition of gorgonian species is poorly known. Using multiple online data sources, our primary aims were to compile, map and analyse observations of gorgonian forests in Italian coastal waters to assess the biological complexity of gorgonian forests; evaluate impacts and vulnerable species, and identify areas of special interest inside and outside of existing MPAs to help prioritise conservation strategies and actions.</p> </div> </div> </div> </div>
Evapotranspiration components, soil water content and net primary productivity in a black locust plantation
<p>ET components, i.e. transpiration (T), soil evaporation(E) and canopy interception (I), soil water and net primary productivity (NPP), water use efficiency (WUE) were estimated in a black locust plantation during a drier (2015) and a wetter (2016) growing season (i.e., June to September).</p>
Aerosol Particle Hygroscopicity and Aerosol Water Content is Driven by Nitrate and Organics in the Particle Phase in Houston, TX.
<p>Related datasets and codes utilized in preparing the manuscript by the same name, submitted to JGR Atmosphere in June 2024. </p>
Reproducibility of electrochemical measurements with ionic liquids: Is the water content the decisive parameter?
<p>This project contains all the data shown in the figures of the manuscript (and the supporting information) entitled:<br>'Reproducibility of electrochemical measurements with ionic liquids: Is the water content the decisive parameter?'<br>(doi:10.26434/chemrxiv-2024-05d56).</p> <p>The data to each figure is provided in a subfolder where each curve is stored as a single CSV.<br>The filenames contain labels describing the curves.</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.
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