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32 results for “hydraulic conductance”
Estimation of auto-covariance of log hydraulic conductivity from Generalized Sub-Gaussian porosity and particle size random fields: Dataset
<p>Dataset of d10 analyzed in section 4.</p>
Supplementary Data for Manuscript "Examining the mid to long-term variability in saturated hydraulic conductivity of sandy soils and its influencing factors under constant head test in the laboratory"
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Sediment hydraulic conductivity of a large fresh water lake
<p>This dataset measured the hydraulic conductivity of lake sediment in Poyang Lake area, China. The data is observed by field investigation, samplings and in-situ tests. The results will be helpful to learn the sediment structure and characteristics in the large fresh lake area. Data will be available on request.</p>
Supporting Data:A pleiotropic 'stretch' phenotype is associated with metaxylem vessel element length, axial hydraulic conductance, root elongation, water utilization, and drought adaptation in maize.
<p>These data were collected to assess how xylem perforation plates affect water use strategies in maize (<em>Zea mays </em>L.) under water deficit through empirical studies in controlled environments and in the field. In this work, our goals were to explore the extent of intraspecific variation for the structure of perforation plates within an annual monocot and assess how this variation affects transport and use of water under drought stress. Specifically, we test the hypotheses that (1) simple perforation plates have a significant effect on water transport, (2) intraspecific variation exists for these features in maize, and (3) this variation affects water use strategies under drought stress. </p>
Data from: Evaluation of parametric and nonparametric machine-learning techniques for prediction of saturated and near-saturated hydraulic conductivity
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LBA-ECO ND-02 Saturated Soil Hydraulic Conductivity, Tapajos National Forest, Brazil
This data set reports field estimated saturated hydraulic conductivity measurements from June 12 through June 20, 2001. This study was part of a rainfall exclusion experiment that was conducted from 1999-2001 at the km 67 Seca Floresta site, Tapajos National Forest, Para, Brazil. The objective of this component of the study was to develop an understanding of the physical processes driving the observed soil water dynamics at the site. There is one comma-delimited ASCII data file with this data set.
Soil Hydraulic Conductivity Data (FIFE)
The Soil Hydraulic Conductivity Data Set contains soil hydraulic conductivity, matric flux potential, and soil depth data collected during the 1989 FIFE soil properties investigation. The purpose of the 1989 FIFE soil properties investigation was to obtain more points on the soil moisture release curves for the soils at the FIFE stations, and provide values for the saturated hydraulic conductivity for the long-term water balance studies. In-situ measurements of field-saturated hydraulic conductivity were made using the constant well head permeameter method. These measurements were made at five sites, each representing a different soil series. The constant well head method for hydraulic conductivity involves augering a hole to the desired depth and measuring the steady state flow rate of water into the hole while maintaining a constant head of water inside the hole. Six measurements were made at each of the two soil depths at each site. The hydraulic conductivity measurements were made at the same depths and close to (less than 1 m away from) the location where samples for moisture release measurements were taken.
Datasets for "Two improvements to Gardner's method of measuring the hydraulic conductivity of non-saturated media: accounting for impedance effects and non-constant imposed suction increment"
<p>In Tables S1 to S3 are presented transient outflow measurements for suction steps 1, 4 and 11, carried out on a coarse volcanic substrate using the apparatus described in the paper "Two improvements to Gardner’s method of measuring the hydraulic conductivity of non-saturated media: accounting for impedance effects and non-constant imposed suction increment". Data are presented in the form of the change in water level [mm] in the outer (suction step 1 – Table S1) and inner tube (suction steps 4 and 11 – Tables S2 and S3), captured by means of the differential pressure transducer of high precision (0.1 mm).</p> <p>In Tables S4 and S5 are presented transient outflow measurements for the remolded poorly graded sand and undisturbed silty clay, respectively, published by Wayllace and Lu (2011). In case of both soils, only the first suction step is analyzed. Data are presented in the form of the change in mass of the water drained, which is monitored by means of the weight scale.</p>
Supplementary Data for Manuscript "A relation of resistivity-hydraulic conductivity for fine-grained soil based on coupled electric double layer model and modified Kozeny-Carman model"
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Experimental investigations on laboratory samples regarding the connection of spectral induced polarization to heterogeneity of hydraulic conductivity
<div>Author: Robert Herold</div> <div>Date: 07.06.2024</div> <div>Institution: Technical University of Berlin</div> <div>Publication title: Experimental investigations on laboratory samples regarding the connection of </div> <div>spectral induced polarization to heterogeneity of hydraulic conductivity</div> <div>Publication authors: Robert Herold (1), Gulmira Beisembina (1), Peter Dietrich (2), Frank Börner (1,3)</div> <div>Affiliations: 1) Institute For Applied Geophysics, Technical University of Berlin, Berlin, Germany</div> <div>2) Department Monitoring Und Erkundungstechnologien, Helmoltz-Zentrum Für Umweltforschung, Leipzig, Germany</div> <div>3) Dresden Groundwater Research Centre, Dresden, Germany</div> <div>Funding: The work of this paper is part of the research project “Hydraulic connectivity in near-surface, </div> <div>unconsolidated, porous aquifers” (FKZ BO 1082/12-1; DI 833/18-1) which is funded and supported by the </div> <div>German Science Foundation (DFG).</div> <div>Publishing Journal: Environmental Earth Sciences, Springer Nature</div> <div> </div> <div>This folder contains the data, scripts and figures related to the aforementioned publication. The data and scripts are</div> <div>organized in two seperate folders respectively. One folder contains the initial, measured SIP data, the other folder </div> <div>contains SIP data that has been processed as described in the publication, aswell as files that contain information about</div> <div>hydraulic conductivity measurements and auxiliary information. The figure folder cotains diagrams of the results and </div> <div>drawings and photographs of the measurement set-up.</div>
The degree and depth limitation of deep soil desiccation and its impact on xylem hydraulic conductivity in dryland tree plantations
<p>All the basic data covered in the paper.</p>
Electrical and hydraulic properties estimation from complex conductivity measurements of limestones from Beauce aquifer (O-ZNS, France)
<p><span>This the dataset (.zip) contains the data used in paper and <span>supplementary materials</span> of the same name intended to be submitted at Water Resource Research. </span><span>I</span><span>n this folder you will find multiple datasets of different format including SIP measurements of carbonate samples, hydraulic parameters (porosity, permeability) measurements and image analysis (CT-scans and SEM) data. There is a MATLAB code allowing to read the raw data (SIP data) regrouped according the water conductivity. The same code also allows to obtain the different plots find in the paper and supplementary materials based on the processed data in excel files. Then, a Python code locating in the folder ‘’Fitting Cole-Cole model’’ allows to fit and compute Cole-Cole parameters. Finally, in the ‘’Image analysis’’ folder, there excel files showing the results of image analysis find in the paper and supplementary materials. <span> </span></span></p>
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International Brain Laboratory public data
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OpenNeuro
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