Academic literature on the topic 'Volumetric water content'
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Journal articles on the topic "Volumetric water content"
Baker, T. H. W., and L. E. Goodrich. "Measurement of soil water content using the combined time-domain reflectometry – thermal conductivity probe." Canadian Geotechnical Journal 24, no. 1 (February 1, 1987): 160–63. http://dx.doi.org/10.1139/t87-016.
Full textZhou, Wan-Huan, Ankit Garg, and Akhil Garg. "Study of the volumetric water content based on density, suction and initial water content." Measurement 94 (December 2016): 531–37. http://dx.doi.org/10.1016/j.measurement.2016.08.034.
Full textRobichaud, P. R., D. S. Gasvoda, R. D. Hungerford, J. Bilskie, L. E. Ashmun, and J. Reardon. "Measuring duff moisture content in the field using a portable meter sensitive to dielectric permittivity." International Journal of Wildland Fire 13, no. 3 (2004): 343. http://dx.doi.org/10.1071/wf03072.
Full textZhang, Junhui, Feng Li, Ling Zeng, Junhui Peng, Le Ding, and Liang He. "Moisture Migration and Control of New Embankment for Reconstruction and Expansion Project in Southern China." Advances in Civil Engineering 2020 (July 21, 2020): 1–14. http://dx.doi.org/10.1155/2020/7230537.
Full textPepin, Steeve, André P. Plamondon, and Jean Stein. "Peat water content measurement using time domain reflectometry." Canadian Journal of Forest Research 22, no. 4 (April 1, 1992): 534–40. http://dx.doi.org/10.1139/x92-070.
Full textBardanis, Michael. "Volumetric water content measurement probes in earth-dam construction." E3S Web of Conferences 9 (2016): 16004. http://dx.doi.org/10.1051/e3sconf/20160916004.
Full textHorie, T. "Estimation of the volumetric water content in chrysanthemum tissues." Journal of Radioanalytical and Nuclear Chemistry 264, no. 2 (May 2005): 325–28. http://dx.doi.org/10.1007/s10967-005-0715-8.
Full textVilloro, Antonio, Borja Latorre, Jaume Tormo, Juan José Jiménez, María Victoria López, José Manuel Nicolau, José Vicente, Ricardo Gracia, and David Moret-Fernández. "A TDR wireless device for volumetric water content sensing." Computers and Electronics in Agriculture 181 (February 2021): 105939. http://dx.doi.org/10.1016/j.compag.2020.105939.
Full textJeffries, Matthew D., and Travis W. Gannon. "Soil Organic Matter Content and Volumetric Water Content Affect Indaziflam–Soil Bioavailability." Weed Science 64, no. 4 (December 2016): 757–65. http://dx.doi.org/10.1614/ws-d-16-00039.1.
Full textMartin, Chris A., and Dewayne L. Ingram. "RELATIONSHIPS OF IRRIGATION AND MEDIUM COMPOSITION TO TEMPERATURE DYNAMICS IN CONTAINER MEDIA." HortScience 25, no. 8 (August 1990): 849e—849. http://dx.doi.org/10.21273/hortsci.25.8.849e.
Full textDissertations / Theses on the topic "Volumetric water content"
Rasam, Setty Harish Raghav. "Assessment of Volumetric Water Content Using Radio Waves." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.
Find full textBagour, Mohammed H., and Donald F. Post. "Predicting the Volumetric Water Content of Irrigated Arizona Soils at Different Soil Water Potentials." Arizona-Nevada Academy of Science, 2001. http://hdl.handle.net/10150/296584.
Full textPreko, Kwasi. "Determination of Volumetric Soil Water Content Using Ground Penetrating Radar Bestimmung des volumetrischen Bodenwassergehaltes mit dem Bodenradar /." [S.l. : s.n.], 2007. http://digbib.ubka.uni-karlsruhe.de/volltexte/1000007396.
Full textAli, Mohamad Idaly Bin. "Development and implementation of a low-cost data acquisition system using single-board computers to measure volumetric water content." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/119312.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (page 73).
The work described in this thesis is aimed at exploring the use of single-board computers, specifically the Raspberry Pi platform, to measure volumetric water content of soils or other porous media. We first investigated the different methods to condition and measure signal frequencies. Subsequently, we designed and fabricated a Hardware Attached on Top frequency counter add-on board for the Raspberry Pi based on the reciprocal frequency counting method, and found that this accurately and precisely measures frequency signals from water content reflectometers. We then built a dormant deploy-and-forget sensor system around this hardware. The system will be used at our research field site in Brunei Darussalam to measure volumetric water content of peat. Further work focuses on improvements to the encapsulation of the electronic hardware, and designing a multiplexer-controlled relay board to acquire signals from multiple reflectometers simultaneously.
by Mohamad Idaly Bin Ali.
M. Eng.
Cangialosi, Michael Vincent. "The Effect of Clay Content and Iron Oxyhydroxide Coatings on the Dielectric Properties of Quartz Sand." Thesis, Virginia Tech, 2012. http://hdl.handle.net/10919/42579.
Full textMaster of Science
Masbruch, Karen, and Karen Masbruch. "A time domain transmission method for determining the dependence of the dielectric permittivity on volumetric water content: applications to municipal landfills." Thesis, The University of Arizona, 2002. http://hdl.handle.net/10150/626872.
Full textBergsten, Steven J. "Certain Agave Species Exhibit the Capability to be Moderately Productive Under Conditions of High Salt and Drought Stress." BYU ScholarsArchive, 2013. https://scholarsarchive.byu.edu/etd/3818.
Full textRoberson, Travis Leon. "Improving Soil Moisture Assessment of Turfgrass Systems Utilizing Field Radiometry." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/87391.
Full textMaster of Science in Life Sciences
Managed turfgrasses provide several benefits including filtering pollutants, cooling their surroundings, generating oxygen, preventing erosion, serving as recreational surfaces, and increasing landscape aesthetics. Intensively managed turfgrass systems, such as on golf courses and sports fields, require more inputs to maintain acceptable conditions. Freshwater use is often excessive on intensively managed turfgrasses to maintain proper plant growth. Drought conditions often limit water availability, especially in regions with limited rainfall. Turf managers tend to over-apply water across large acreage when few localized areas begin to show symptoms of drought. Additionally, turf managers sometimes wrongly identify stressed areas from other factors as ones being moisture-deprived. Advancements such as the use of soil moisture meters have simplified irrigation decisions as an aid to visual inspections for drought stress. While this method enhances detection accuracy, it still provides no solution to increase efficiency. Expanding our current knowledge of turfgrass canopy light reflectance for rapid moisture stress identification can potentially save both time and water resources. The objective of this research was to enhance our ability to identify and predict moisture stress of creeping bentgrass (CBG) and hybrid bermudagrass (HBG) canopies integrated into varying soil textures (USGA 90:10 sand (S), sand loam (SL) and Clay (C)) using light reflectance measurements. Dry-down cycles were conducted under greenhouses conditions collecting soil moisture and light reflectance data every hour from 7 am to 7 pm after saturating and withholding water from established plugs. Moisture stress was most accurately estimated over time using two vegetation indices, the water band index (WBI) and green-to-red ratio index (GRI), with approximately ninety percent accuracy to visible wilt stress. The WBI and GRI predicted moisture stress of CBG in all soil types and HBG in SL and C approximately 14 hours before the grasses reached 50% wilt. While light reflectance varies on exposed soils, our research shows that underlying soils do not interfere with measurements across typical turfgrass stands. This research provides a foundation for future research implementing rapid, aerial measurements of moisture stressed turfgrasses on a broad application of CBG and HBG on constructed or native soils.
Vismara, Edgar de Souza. "Mensuração da biomassa e construção de modelos para construção de equações de biomassa." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-18052009-155116/.
Full textForest biomass measurement implies a destructive procedure, thus forest inventories and biomass surveys apply indirect procedure for the determination of biomass of the different components of the forest (wood, branches, leaves, roots, etc.). The usual approch consists in taking a destructive sample for the measurment of trees attributes and an empirical relationship is established between the biomass and other attributes that can be directly measured on standing trees, e.g., stem diameter and tree height. The biomass determination of felled trees can be achived by two techniques: the gravimetric technique, that weights the components in the field and take a sample for the determination of water content in the laboratory; and the volumetric technique, that determines the volume of the component in the field and take a sample for the determination of the wood specific gravity (wood basic density) in the laboratory. The gravimetric technique applies to all components of the trees, while the volumetric technique is usually restricted to the stem and large branches. In this study, these two techniques are studied in a sample fo 200 trees of 10 different species from the region of Linhares, ES. In each tree, 5 cross-sections of the stem were taken to investigate the best procedure for the determination of water content in gravimetric technique and for determination of the wood specific gravity in the volumetric technique. Also, Akaike Information Criterion (AIC) was used to compare different statistical models for the prediction o tree biomass. For the stem water content determination, the best procedure as the aritmetic mean of the water content from the cross-sections in the base, middle and top of the stem. In the determination of wood specific gravity, the best procedure was the aritmetic mean of all five cross-sections discs of the stem, however, for the determination of the biomass, i.e., the product of stem volume and wood specific gravity, the best procedure was the use of the middle stem cross-section disc wood specific gravity. The use of an average wood specific gravity by species showed worse results than any procedure that used information of wood specific gravity at individual tree level. Seven models, as variations of Spurr and Schumacher-Hall volume equation models, were tested for the different tree components: wood (stem and large branches), little branches, leaves and total biomass. In general, Schumacher-Hall models were better than Spurr based models, and models that included only diameter (DBH) information performed better than models with diameter and height measurements. When a measure of penetration in the wood, as a surrogate of wood density, was added to the models, the models with the three variables: diameter, height and penetration, became the best models.
Vláčilíková, Michaela. "Měření infiltrace v terénu pomocí MiniDiskového infiltrometru." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409739.
Full textBook chapters on the topic "Volumetric water content"
Tasnim, R., J. L. Coo, C. W. W. Ng, and V. Capobianco. "Soil Nutrient Effects on Suction and Volumetric Water Content in Heavily Compacted Vegetated Soil." In Springer Series in Geomechanics and Geoengineering, 1312–15. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97115-5_90.
Full textChae, Byung-Gon, Junghae Choi, and Yong-Seok Seo. "Suggestion of a Landslide Early Warning Method Using a Gradient of Volumetric Water Content." In Landslide Science for a Safer Geoenvironment, 545–50. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-05050-8_84.
Full textSaha, Abhisekh, Sreedeep Sekharan, and Uttam Manna. "Performance of an Electromagnetic Sensor for Field Monitoring of Volumetric Water Content in Water-Absorbing Polymer Amended Soil." In Lecture Notes in Civil Engineering, 15–24. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2260-1_2.
Full textTosti, Fabio, and Evert Slob. "Determination, by Using GPR, of the Volumetric Water Content in Structures, Substructures, Foundations and Soil." In Civil Engineering Applications of Ground Penetrating Radar, 163–94. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-04813-0_7.
Full textJikuya, Yuta, Kazunari Sako, and Shinichi Ito. "A Consideration on Numerical Model for the Relationship Between Evaporation Efficiency and Volumetric Water Content." In Lecture Notes in Civil Engineering, 221–30. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0077-7_21.
Full textLeito, Ivo, and Lauri Jalukse. "Measurement of Moisture Content (Water Content) in Edible Oil Using the Volumetric Karl Fischer Method According to ISO 8534:1996." In Traceability, Validation and Measurement Uncertainty in Chemistry: Vol. 3, 45–61. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20347-4_3.
Full text"Volumetric Water Content." In Encyclopedia of Agrophysics, 954. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-3585-1_883.
Full textKirkham, M. B. "Time Domain Reflectometry to Measure Volumetric Soil Water Content." In Principles of Soil and Plant Water Relations, 187–205. Elsevier, 2005. http://dx.doi.org/10.1016/b978-012409751-3/50013-x.
Full textParlance, J. Y., and T. S. Steenhuis. "Soil Properties and Water Movement." In Vadose Zone Hydrology. Oxford University Press, 1999. http://dx.doi.org/10.1093/oso/9780195109900.003.0008.
Full textWhite, Robert E. "Soil–Water–Vine Relationships and Water Management." In Soils for Fine Wines. Oxford University Press, 2003. http://dx.doi.org/10.1093/oso/9780195141023.003.0008.
Full textConference papers on the topic "Volumetric water content"
Fuwape, I. A., S. T. Ogunjo, and E. O. Owoola. "Temporal variation of soil volumetric water content." In WOMEN IN PHYSICS: 6th IUPAP International Conference on Women in Physics. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5110131.
Full textAnjos, I. F. Dos, G. Fontgalland, R. S. C. Freire, S. E. Barbin, and B. B. Lira. "Vermiculite dielectric constant measurement using a volumetric water content probe." In 2011 IEEE International Instrumentation and Measurement Technology Conference (I2MTC). IEEE, 2011. http://dx.doi.org/10.1109/imtc.2011.5944266.
Full textSzyplowska, Agnieszka, Hironobu Saito, Shin Yagihara, Kahori Furuhata, Justyna Szerement, Marcin Kafarski, Arkadiusz Lewandowski, Andrzej Wilczek, and Wojciech Skierucha. "Relations Between Dielectric Permittivity and Volumetric Water Content of Living Soil." In 2021 13th International Conference on Electromagnetic Wave Interaction with Water and Moist Substances (ISEMA). IEEE, 2021. http://dx.doi.org/10.1109/isema49699.2021.9508272.
Full textL. Endres, Anthony. "A Petrophysical Modelling Study Of Volumetric Water Content Estimates Obtained From Dielectric Measurements." In 15th EEGS Symposium on the Application of Geophysics to Engineering and Environmental Problems. European Association of Geoscientists & Engineers, 2002. http://dx.doi.org/10.3997/2214-4609-pdb.191.12pet2.
Full textEndres, Anthony L. "A Petrophysical Modelling Study of Volumetric Water Content Estimates Obtained from Dielectric Measurements." In Symposium on the Application of Geophysics to Engineering and Environmental Problems 2002. Environment and Engineering Geophysical Society, 2002. http://dx.doi.org/10.4133/1.2927168.
Full textWang, Wanting, Angela S. Hager, Kevin L. Rens, and Carnot L. Nogueira. "Monitoring Temperature Differential and Volumetric Water Content between Asphalt Pavement and Subgrade Layers." In Eighth Congress on Forensic Engineering. Reston, VA: American Society of Civil Engineers, 2018. http://dx.doi.org/10.1061/9780784482018.103.
Full textRobert C. Hansen and Jeremy C. Christman. "Statistical Evaluation of Instruments Designed to Measure Volumetric Water Content of Soilless Container Mediums." In 2004, Ottawa, Canada August 1 - 4, 2004. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2004. http://dx.doi.org/10.13031/2013.17687.
Full textBuchner, Jens S., Alexander Kuhne, Benny Antz, Kurt Roth, and Ute Wollschlager. "Observation of volumetric water content and reflector depth with multichannel ground-penetrating radar in an artificial sand volume." In 2011 6th International Workshop on Advanced Ground Penetrating Radar (IWAGPR 2011). IEEE, 2011. http://dx.doi.org/10.1109/iwagpr.2011.5963910.
Full textRuffing, D. G., J. C. Evans, and M. A. Malusis. "Long Term In Situ Measurements of the Volumetric Water Content in a Soil-Bentonite Slurry Trench Cutoff Wall." In GeoCongress 2012. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412121.351.
Full textHassan, Marwan A., and Mohd A. M. Ismail. "Effect of inflow discharges on the development of matric suction and volumetric water content for dike during overtopping tests." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE OF GLOBAL NETWORK FOR INNOVATIVE TECHNOLOGY AND AWAM INTERNATIONAL CONFERENCE IN CIVIL ENGINEERING (IGNITE-AICCE’17): Sustainable Technology And Practice For Infrastructure and Community Resilience. Author(s), 2017. http://dx.doi.org/10.1063/1.5005675.
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