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128 results for “Water flow”
Flow virometry for water-quality assessment: Protocol optimization for a model virus and automation of data analysis
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Warming increases environmental DNA (eDNA) removal rates in flowing waters
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Data from: Living in flowing water increases resistance to ultraviolet B radiation
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Physiology of the widespread pulsating soft coral Xenia umbellata is affected by food sources, but not by water flow
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Bridging the flux gap: sap flow measurements reveal species-specific patterns of water-use in a tallgrass prairie
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Data from: Water flow impacts group behavior in zebrafish (Danio rerio)
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Data from: Sensory trait variation contributes to biased dispersal of threespine stickleback in flowing water
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McMurdo Dry Valleys Huey Creek streamflow routing and subsurface water flow, 2006
Huey Creek is a meltwater stream that flows into the north end of Lake Fryxell in Taylor Valley.  We conducted a comparative study to determine flow balances, flow routing in Huey Creek in 2006. The hypothesis is that truncated hydrographs on Huey Creek (and other streams) are related to large subsurface storage potential that fills/empties over the daily flood pulse. The goal of the simulation and experimental data comparison described here  is to use a coupled groundwater / surface flow model to test this hypothesis.  Representative figure: Simulated and observed discharges for (A) the full model; B) kinematic wave routing and subsurface flow, but no anabranching; C) kinematic wave routing, but no subsurface flow, and no anabranching. D) displays the difference between observations and the upstream boundary condition for each simulation.
Water column dissolved (DSi) and biogenic (BSi) concentrations and fluxes collected from Sweeney (Right), West (Left) and Clubhead along with temperature, salinity, and flow data from 7/2010
Found at the landesea interface, these systems are silica replete with large stocks in plant biomass, sediments, and porewater, and therefore, have the potential to play a substantial role in the transformation and export of silica to coastal waters. In an effort to better understand this role, we measured the fluxes of dissolved (DSi) and biogenic (BSi) silica into and out of two tidal creeks in the PIE LTER salt marsh system. One of the creeks (Sweeney) has been fertilized from May to September for six years allowing us to examine the impacts of nutrient addition on silica dynamics within the marsh.
Dataset for Lattice Boltzmann simulation of water flow through rough nanopores
<p>All the datasets used to produce the figures in our paper "<strong>Lattice Boltzmann simulation of water flow through rough nanopores</strong>".</p>
Soil water retention and water flow simulation data
<p>The data is for the manuscript of a paper entitled "<strong>Simulation of water flow and calculation of </strong><strong>the related physical quality indices as influenced by soil water retention curve fitting methods".</strong></p> <p>Accurate fitting of soil water retention curve (SWRC) parameters is crucial in the modeling of soil water flow and the assessment of soil quality. The un-weighted least squares regression (ULS) is the most common approach applied for fitting the SWRC functions to the observed data-points in order to optimize their parameters. However, the variance of SWRC data varies in different water contents; therefore, unlike the wet-end of the SWRC, the ULS method may not be sufficiently effective in estimating its dry-end. This study examined the differences between parameter approximations achieved by the ULS and the weighted least-squares (WLS) in the SWRC. Then, an analysis of both approaches in the simulation of water redistribution and the related soil physical quality indicators (SPQIs) was done. Accordingly</p>
Data from: Rapid morphological divergence of a stream fish in response to changes in water flow
Recent evidence indicates that evolution can occur on a contemporary time scale. However, the precise timing and patterns of phenotypic change are not well known. Reservoir construction severely alters selective regimes in aquatic habitats due to abrupt cessation of water flow. We examined the spatial and temporal patterns of evolution of a widespread North American stream fish (Pimephales vigilax) in response to stream impoundment. Gross morphological changes occurred in P. vigilax populations following dam construction in each of seven different rivers. Significant changes in body depth, head shape and fin placement were observed relative to fish populations that occupied the rivers prior to dam construction. These changes occurred over a very small number of generations and independent populations exhibited common responses to similar selective pressures. The magnitude of change was observed to be greatest in the first 15 generations post-impoundment, followed by continued but more gradual change thereafter. This pattern suggests early directional selection facilitated by phenotypic plasticity in the first 10–20 years, followed by potential stabilizing selection as populations reached a new adaptive peak (or variation became exhausted). This study provides evidence for rapid, apparently adaptive, phenotypic divergence of natural populations due to major environmental perturbations in a changing world.
Water depth time series derived by FLOW-R2D model simulating the Tous dam break
<p>In this dataset, the water depth time series in 21 gauges of Sumacarcel town are derived by the FLOW-R2D model,<br> assuming 240 different combinations of three input paramaters:</p> <p>a) input flow to the computatioal domain (upstream boundaries) (Q)<br> b) the Manning coefficient of the computational domain (n)<br> c) effective slope (required at the upstream boundaries) (S)</p> <p>The sampling for the three parameters is made by Latin Hypercube technique, assuming for each parameter the following interval:</p> <p>a) 10000-20000 m^3/s<br> b) 0.03-0.21 s/m^(1/3)<br> c) 0.0001 - 0.02</p> <p>The dataset consists of the following:<br> <br> 1) input_data.csv file, in which the 240 combinations of the three input parameters is provided (Scenario 100 - 399)<br> 2) runs_tous folder, in which files 100.cv-399.csv. Water depth time series are recorded in 21 gauges.<br> The first column is time (in seconds), and the water dpeths are in meters.<br> <br> Papers relative to this dataset:</p> <p>1) Description of the case study:<br> Alcrudo F and Mulet J (2007). Description of the Tous Dam break case study (Spain).<br> Journal of Hydraulic Research, 45, 45-57.</p> <p>2) Simulation of tous dam break with FLOW-R2D:<br> Bellos V and Tsakiris G (2015). 2D flood modelling: the case of Tous dam break.<br> Proceedings of 36th World Congress of IAHR, the Hague, the Netherlands. (e-proceedings).</p> <p>3) Calibration of the case study of the FLOW-R2D paramteters:<br> Christelis V, Bellos, V, Tsakiris, G (2016). Employing surrogate modelling for the calibration of a 2D flood simulation model.<br> Proceedings of 4th European Congress of IAHR, “Sustainable Hydraulics in the era of global change”,<br> edited by S. Erpicum, B. Dewals, P. Archambeau, M. Pirotton, Liege, Belgium: 727-732.</p> <p>4) Presentation of the FLOW-R2D model:<br> Tsakiris G and Bellos, V (2014) A numerical model for two-dimensional flood routing in complex terrains.<br> Water Resources Management 28(5):1277-1291</p>
Dataset for a physics informed deep learning method with adaptively weighted loss for modeling soil water flows
<p>The data for the 11 scenarios generated by Hydrus-1D is located in data.zip</p> <p>The code for the physics-informed neural networks with adaptively weighted loss used to simulate water flow in loam soils is located at PINN_adaptively_weighted_loss_loam.zip</p>
An Analytical Formulation for Correcting the Relative Permeability of Gas-Water Flow in Propped Fractures Considering the Effect of Brinkman Flow
<p>Brinkman flow can impose a strong effect on the fluid transportation within propped fractures, as well as on the well productivity.</p>
An Analytical Formulation for Correcting the Relative Permeability of Gas-Water Flow in Propped Fractures Considering the Effect of Brinkman Flow
<p><span><span>·<span> </span></span></span><span>The viscous shear from fracture walls and the resistance from propping materials induce Brinkman flow in propped fractures</span><span>.</span></p> <p><span><span>·<span> </span></span></span><span>Neglecting the effect of Brinkman flow can cause significant errors in evaluating the gas-water relative permeability in propped fractures.</span></p> <p><span><span>·<span> </span></span></span><span>An analytical formulation is proposed to correct the relative permeability of gas-water flow in propped fractures considering Brinkman flow.</span></p>
Dataset of flow rate, water temperature, radon concentration, and seismic waveforms from a hot spring system
<p>Flow rate, water temperature, radon concentration, meteorological data, and seismic waveforms in a hot spring system that used for investigating the groundwater radon changes and hydrological responses induced by large earthquakes. </p>
Data for "The variation of flow and turbulence across the sediment–water interface"
<p>See readme.</p> <p>Voermans, J. J., Ghisalberti, M., & Ivey, G. N. (2017). The variation of flow and turbulence across the sediment–water interface. Journal of Fluid Mechanics, 824, 413-437.</p> <p>Voermans, J. J., Ghisalberti, M., & Ivey, G. N. (2018). A model for mass transport across the sediment‐water interface. Water Resources Research, 54(4), 2799-2812.</p> <p>Voermans, J. J., Ghisalberti, M., & Ivey, G. N. (2018). The Hydrodynamic Response of the Sediment‐Water Interface to Coherent Turbulent Motions. Geophysical Research Letters, 45(19), 10-520.</p>
Data for "Changing spatial distribution of water flow charts major change in Mars' greenhouse effect"
<p>Data for "Changing spatial distribution of water flow charts major change in Mars’ greenhouse effect". The script "summaryplot_v2.m" generates the summary figures used in the paper. The script "GCM_data_comparison_v5.m" generates additional figures used in the paper. The full underlying temperature output from the GCM runs listed in Table S1 is given in the allTsurf.txt file within the corresponding numbered subdirectory.</p>
Extreme event of water flow in Tucurui River
<p>Video made by residents near the Tucurui River.</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.