Academic literature on the topic 'Sedimentation and deposition – Kansas'

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Journal articles on the topic "Sedimentation and deposition – Kansas"

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deNoyelles, Frank, and Jude H. Kastens. "Reservoir Sedimentation Challenges Kansas." Transactions of the Kansas Academy of Science 119, no. 1 (January 2016): 69–81. http://dx.doi.org/10.1660/062.119.0110.

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Miller, Keith B., and Ronald R. West. "Chaetetid skeletons as short-term records of physical disturbance events." Paleontological Society Special Publications 6 (1992): 212. http://dx.doi.org/10.1017/s2475262200007723.

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The growth records of spongiomorph and colonial skeletons have great potential for revealing the short-term depositional dynamics of ancient shallow marine environments. The utility of such skeletons for understanding the type and frequency of physical disturbance is illustrated by chaetetid-bearing limestones from Pennsylvanian (Desmoinesian) cyclothems of southeastern Kansas. Individual chaetetids frequently contain growth-interruption surfaces that are marked by clay partings or encrusting overgrowths of epibionts. Such interruptions occur irrespective of the growth form of the chaetetids, although they are more conspicuous in laminar and domical growth forms with ragged margins. Growth forms with smooth margins and fewer interruptions are more commonly high domical to columnar. The latter occur in cleaner carbonates with higher rates of carbonate accumulation and little siliciclastic influx.Interruption surfaces, which may be accompanied by reorientation of skeletal growth, record significant depositional and erosive events during the life history of the chaetetids. Similar surfaces have been described from a variety of other organisms including stromotoporoids, fistuliporoid and trepostome bryozoans, and favositid corals. In most environments, physical disturbance events of this time scale are invariably destroyed by subsequent bioturbation or current reworking. For this reason, chaetetid skeletons provide a valuable means of inferring the frequency and intensity of physical distubance and the rate of sediment accumulation.The temporal significance of growth interruptions must be determined before their environmental significance can be assessed. Geometry of calicle growth at these surfaces is critical for recognizing the manner in which growth was reestablished. Colonization by the settling of larvae on a dead surface has a much different implication than rejuvenation from surviving calicles. The former could occur on long dead skeletal hardgrounds, and the latter indicates physical disruptions during the life of a single chaetetid. Clay partings and clay-filled calicles record mud burial events resulting in partial mortality, followed by rapid rejuvenation and overgrowth of the sediment. Encrustation of growth-interruption surfaces by auloporid corals, and more rarely bryozoans and stromatolitic algae, indicate prolonged exposure of the skeletal surface and subsequent recolonization. Interestingly, auloporid encrustation appears to be more common in clay-rich carbonates having evidence of more frequent and higher-energy disturbance events. Evidence of dissolution or biocorrosion of the skeletal surface may imply an even longer period of exposure between disturbance and recolonization.Local development of chaetetid mounds and biostromes also permits larger-scale environmental fluctuations to be recognized. Changes in growth form, typically associated with changes in clay content of the enclosing carbonates, appear to reflect fluctuations in clastic sediment influx and water turbidity. Subtle clay-rich intervals and unconformity surfaces are recognized within chaetetid-bearing units only a few meters thick. The thin sedimentation units thus defined appear to be correlative between outcrops separated by tens of kilometers.Close examination of spongiomorph and colonial skeletons therefore has the potential to shed light on depositional processes and environmental changes at time scales of tens to thousands of years normally inaccessible to paleoecologists.
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Stovin, Virginia R., and Adrian J. Saul. "Sedimentation in Storage Tank Structures." Water Science and Technology 29, no. 1-2 (January 1, 1994): 363–72. http://dx.doi.org/10.2166/wst.1994.0684.

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Although storage tanks provide an effective means of reducing the magnitude and frequency of combined sewer overflow discharges, and thereby of alleviating urban watercourse pollution, poorly designed storage structures frequently suffer from maintenance problems arising from sedimentation. The development of design guidelines that optimise the self-cleansing operation of storage structures is clearly a priority for urban drainage research. This paper describes a system that has been developed to study sediment deposition in laboratory model-scale storage structures. The patterns of deposition resulting from a selection of flow regimes are described, and the need for time-varying and time series storm tests is highlighted. Sedimentation patterns are shown to predominantly depend on the flow field, and the critical bed shear stresses for deposition and erosion in the model situation are identified. Hence, the potential application of numerical models to the design problem is discussed.
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YU, C. P., B. ASGHARIAN, and B. M. YEN. "Impaction and Sedimentation Deposition of Fibers in Airways." American Industrial Hygiene Association Journal 47, no. 2 (February 1986): 72–77. http://dx.doi.org/10.1080/15298668691389388.

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Bonnas, Sylvia, Jan Tabellion, and Jürgen Haußelt. "Effect of Particle Size Distribution and Sedimentation Behaviour on Electrophoretic Deposition of Ceramic Suspensions." Key Engineering Materials 314 (July 2006): 69–74. http://dx.doi.org/10.4028/www.scientific.net/kem.314.69.

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By systematic interaction of sedimentation and electrical field in electrophoretic deposition the particle size distribution of the deposited green body can be influenced. This can be employed for producing coatings with a very smooth surface by deposition of only the nanosized fraction of a conventional powder with broad or non-monomodal size distribution, thus avoiding preceding classification. In this paper, the preparation of stabilised slurries is described focussing on the criteria particle size distribution, zeta-potential and sedimentation behaviour. The effectiveness of the interaction of sedimentation and electrophoretic deposition is to be shown.
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Kerkweg, A., J. Buchholz, L. Ganzeveld, A. Pozzer, H. Tost, and P. Jöckel. "Technical Note: An implementation of the dry removal processes DRY DEPosition and SEDImentation in the Modular Earth Submodel System (MESSy)." Atmospheric Chemistry and Physics 6, no. 12 (October 12, 2006): 4617–32. http://dx.doi.org/10.5194/acp-6-4617-2006.

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Abstract. We present the submodels DRYDEP and SEDI for the Modular Earth Submodel System (MESSy). Dry deposition of gases and aerosols is calculated within DRYDEP, whereas SEDI deals with aerosol particle sedimentation. Dry deposition velocities depend on the near-surface turbulence and the physical and chemical properties of the surface cover (e.g. the roughness length, soil pH or leaf stomatal exchange). The dry deposition algorithm used in DRYDEP is based on the big leaf approach and is described in detail within this Technical Note. The sedimentation submodel SEDI contains two sedimentation schemes: a simple upwind zeroth order scheme and a first order approach.
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Kerkweg, A., J. Buchholz, L. Ganzeveld, A. Pozzer, H. Tost, and P. Jöckel. "Technical Note: an implementation of the dry removal processes DRY DEPosition and SEDImentation in the Modular Earth Submodel System (MESSy)." Atmospheric Chemistry and Physics Discussions 6, no. 4 (July 24, 2006): 6853–901. http://dx.doi.org/10.5194/acpd-6-6853-2006.

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Abstract. We present the submodels DRYDEP and SEDI for the Modular Earth Submodel System (MESSy). Gas phase and aerosol dry deposition are calculated within DRYDEP, whereas SEDI deals with aerosol particle sedimentation. Dry deposition velocities depend on the near-surface turbulence and the physical and chemical properties of the surface cover (e.g. the roughness length, soil pH or leaf stomatal exchange). The dry deposition algorithm used in DRYDEP is based on the big leaf approach and is described in detail within this Technical Note. The sedimentation submodel SEDI contains two sedimentation schemes: a simple upwind zeroth order scheme and a first order approach.
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Huang, Shu You, Zhi Gang Yin, Jin Guang Zhang, Yu Shan Ren, and Jing Hai Zhou. "Research the Problem about the Silted Deposition of the Broken Model." Applied Mechanics and Materials 204-208 (October 2012): 279–83. http://dx.doi.org/10.4028/www.scientific.net/amm.204-208.279.

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On the foundation of the item that the residence flood controlled technique and standard tested and the analysis according to the formation of the sediment and the regulation of the sedimentation in the actual river. In the process of the studied item, design a kind of a new sedimentation basin in order to lower the sand carrying capacity of the down water in the limited distance and the biggest limit. Through the model experiment of this kind of the sedimentation basin and find out the result of the sink the sand under the different discharge, in order to guide the actual engineering application.
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Lee, H. N., and J. K. Shi. "An alternative approach for atmospheric plume deposition and sedimentation." International Journal of Environmental Studies 25, no. 1-2 (June 1985): 109–26. http://dx.doi.org/10.1080/00207238508710214.

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Campos, Jody, Iran Eduardo Lima Neto, Ticiana Marinho Studart, and José Nilson Beserra Campos. "Influence of sediment distribution on the relationships among reservoir yield, spill, and evaporation losses." Engenharia Sanitaria e Ambiental 23, no. 5 (October 2018): 849–56. http://dx.doi.org/10.1590/s1413-41522018177058.

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ABSTRACT This study shows how the sedimentation process in reservoirs affects the yield-spill-evaporation losses in reservoirs of Ceará State, Brazilian Northeast. Reservoirs are assumed to have, initially, inverted conical shape. Three forms of sedimentation were investigated: type 1, with deposition occurring parallel to the wetted perimeter; type 2, deposition distributed proportionally to the water depth; and, type 3, deposition concentrated in the reservoir bottom. These sedimentation patterns were found in many reservoirs in Ceará, with capacity ranging from about 0.5 to 100 hm3. Nevertheless, type 2 pattern was the most frequent. In this paper, five large reservoirs, over 100 hm3, were studied using Monte Carlo approach, and considering the silting over the time horizon. It was found that sediment distribution can significantly affect the yield-spill-evaporation trade-off on large reservoirs. Type 1 results have the lowest impact on reservoir yield, followed by type 2 and type 3. For Cedro reservoir, the yield would go to zero in 2115, assuming a type 3 deposition pattern. These results reinforce the need for monitoring sedimentation in large reservoirs in the Brazilian semiarid region. In addition, this study provides a relatively simple methodology to predict the impact of siltation on reservoir yield-spill-evaporation relationships, for the three most found patterns of sedimentation.
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Dissertations / Theses on the topic "Sedimentation and deposition – Kansas"

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Tao, Jing Murowchick James B. "Identification of landscape and socioeconomic factors contributing to sediment contamination in urban streams and assessment of potential ecotoxicological effects a case study in Metropolitan Kansas City area /." Diss., UMK access, 2005.

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Thesis (Ph. D.)--Dept. of Geosciences and Dept. of Chemistry. University of Missouri--Kansas City, 2005.
"A dissertation in geosciences and chemistry." Advisor: James B. Murowchick. Typescript. Vita. Description based on contents viewed June 26, 2006; title from "catalog record" of the print edition. Includes bibliographical references (leaves 227-245). Online version of the print edition.
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van, der Vegt Paul. "Glacial systems sedimentation and tunnel valleys." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610766.

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Casarim, Felipe M. Lockaby Bruce Graeme. "Legacy sediments in southeastern United States coastal plain streams." Auburn, Ala., 2009. http://hdl.handle.net/10415/1976.

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Roop, Heidi Anne. "Sedimentation in a proglacial lake : interpreting intra- and inter-annual sedimentation in Linnévatnet, Spitsbergen, Norway /." Connect to online version, 2007. http://ada.mtholyoke.edu/setr/websrc/pdfs/www/2007/235.pdf.

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Undergraduate honors paper--Mount Holyoke College, 2007. Dept. of Earth and Environment.
Includes one CD-Rom appendix of 2005-2006 grain size data. Includes bibliographical references (leaves 125-129).
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Taylor, Kelly Lynne. "Beach sediments : a source of dissolved organic carbon and nitrogen species to the coastal ocean /." Electronic version (PDF), 2005. http://dl.uncw.edu/etd/2005/taylork/kellytaylor.pdf.

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Babault, Julien. "Dynamique de l'érosion dans une chaîne de montagnes : influence de la sédimentation de piedmont, l'exemple des Pyrénées /." Rennes, France : Université de Rennes I, Campus de Beaulieu, 2004. http://www.geosciences.univ-rennes1.fr/biblio/edition/MGR-Babault.htm.

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Elsner, Paul Heinrich. "Monitoring intertidal sedimentation dynamics using airborne imaging spectroscopy." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609749.

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Shi, Shaozhong. "Observational and theoretical aspects of tsunami sedimentation." Thesis, Coventry University, 1995. http://curve.coventry.ac.uk/open/items/0a4c8219-19e9-a6c2-4417-440b0e84702e/1.

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This dissertation presents the detailed results of investigations into the coastal geomorphological effects and sedimentation processes associated with a recent large tsunami event which took place on the 12th December 1992 in Flores, Indonesia, and the stratigraphical and sedimentological study of a widespread sand layer preserved in coastal sedimentary sequences along the eastern coast of Scotland representing a low-frequency, high-energy marine event, which took place at circa 7,000 radiocarbon years B.P. With modern alalogues, established in this dissertation, of both tsunami and storm surge sedimentary characteristics and sedimentation processes as the key, together with high-resolution sedimentological evidence obtained from the circa 7,000 radiocarbon years B. P. event, competing hypotheses of the likely causes of the marine flooding by either a tsunami or storm surge event are tested. It is concluded that the circa 7,000 B. P. marine flooding event was a tsunami, believed to have been generated by one of the world's largest submarine landslides in the Norwegian Sea - the Second Storegga Slide. The particle size composition of tsunami sediments is found to vary from well sorted to poorly sorted and is controlled by both the characteristics of the source sedement (local coastal sediments) and sedimentation processes associated with tsunami inundation. Tsunami sediments deposited on land are believed to form continuous and discontinuous sedimentary sheets ascending up to levels distinctively higher than contemporary sea levels and to contain a general landward-fining trend and multiple sets of grading (fining-upward) sequences, reflecting spatial changes in particle size composition. A conceptual model of coastal tsunami sedimentation is established including processes of seaward and landward sediment movements, episodic rapid deposition, sediment accumulation and erosion.
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Kattah, Senira da Silva. "Controls on deposition and resulting stratal architecture of coarse-grained alluvial and near-shore facies associations /." Digital version accessible at:, 1999. http://wwwlib.umi.com/cr/utexas/main.

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Lorrey, Andrew M. "Distribution of Patterned Ground and Surficial Deposits on a Debris-covered Glacier Surface in Mullins Valley and Upper Beacon Valley, Antarctica." Fogler Library, University of Maine, 2002. http://www.library.umaine.edu/theses/pdf/LorreyAM2002.pdf.

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Books on the topic "Sedimentation and deposition – Kansas"

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Mau, David P. Comparison of sediment deposition in reservoirs of four Kansas watersheds. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 2000.

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Jordan, Paul Robert. Design of a sediment data-collection program in Kansas as affected by time trends. Lawrence, Kan: U.S. Dept. of the Interior, Geological Survey, 1985.

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Mau, David P. Sediment deposition and selected water-quality characteristics in Cedar Lake and Lake Olathe, northeast Kansas, 2000. Lawrence, Kan: U.S. Dept. of the Interior, U.S. Geological Survey, 2002.

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Moussavi-Harami, Reza. Stratigraphy, petrography, and depositional environment of sandstones in the Rock Lake Shale Member of the Stanton Limestone (Missourian Stage, Upper Pennsylvanian) in southeastern Kansas. Lawrence, Kan. (1930 Constant Ave., University of Kansas, Lawrence 66047): Kansas Geological Survey, 1990.

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Mau, David P. Sediment deposition and trends and transport of phosphorus and other chemical constituents, Cheney Reservoir Watershed, south-central Kansas. Lawrence, Kan: U.S. Dept. of the Interior, U.S. Geological Survey, 2001.

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Christensen, Victoria G. Deposition of selenium and other constituents in reservoir bottom sediment of the Solomon River Basin, north-central Kansas. Lawrence, Kan: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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Christensen, Victoria G. Deposition of selenium and other constituents in reservoir bottom sediment of the Solomon River basin, north-central Kansas. Lawrence, Kan: U.S. Dept. of the Interior, U.S. Geological Survey, 1999.

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1926-, Harbaugh John Warvelle, ed. Simulating clastic sedimentation. New York: Van Nostrand Reinhold, 1989.

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Erosion and sedimentation. Cambridge: Cambridge University Press, 1995.

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Berkas, Wayne R. Sedimentation of Lake Taneycomo, Missouri, 1913-1987. Rolla, Mo: Dept. of the Interior, U.S. Geological Survey, 1989.

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Book chapters on the topic "Sedimentation and deposition – Kansas"

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Lisitzin, Alexander P. "Silica Deposition." In Oceanic Sedimentation, 285–320. Washington, D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1002/9781118665008.ch9.

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Eisma, D. "Supply and Deposition of Suspended Matter in the North Sea." In Holocene Marine Sedimentation in the North Sea Basin, 415–28. Oxford, UK: Blackwell Publishing Ltd., 2009. http://dx.doi.org/10.1002/9781444303759.ch29.

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Bonilla, L. L., and Y. Farjoun. "Minisymposium Precipitation, Deposition and Sedimentation of Particles in Fluid Flow." In Progress in Industrial Mathematics at ECMI 2008, 453–54. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-12110-4_70.

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Demchenko, R. I., M. J. Zheleznyak, and L. A. Koziy. "Modelling of Sedimentation and Radionuclides Deposition in a Bottom Trap." In Computational Methods in Water Resources X, 1341–48. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-010-9204-3_162.

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Bonnas, Sylvia, Jan Tabellion, and Jürgen Hausselt. "Effect of Particle Size Distribution and Sedimentation Behaviour on Electrophoretic Deposition of Ceramic Suspensions." In Electrophoretic Deposition: Fundamentals and Applications II, 69–74. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-998-9.69.

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Haranas, Ioannis, Ioannis Gkigkitzis, George D. Zouganelis, Maria K. Haranas, and Samantha Kirk. "Respiratory Particle Deposition Probability Due to Sedimentation with Variable Gravity and Electrostatic Forces." In Advances in Experimental Medicine and Biology, 3–47. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09012-2_2.

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Uenzelmann-Neben, G., and H. Miller. "Congo Fan Neogene and Quaternary Sedimentation: Interplay of Riverine and Current Induced Deposition." In The South Atlantic in the Late Quaternary, 279–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-18917-3_14.

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Taviani, M. "Axial sedimentation of the Red Sea Transitional Region (22°–25° N): pelagic, gravity flow and sapropel deposition during the late Quaternary." In Sedimentation and Tectonics in Rift Basins Red Sea:- Gulf of Aden, 467–78. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-4930-3_25.

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Sedrique, Zoyem Tedonfack, and Julius Tata Nfor. "Rainfall Variability and Quantity of Water Supply in Bamenda I, Northwest Region of Cameroon." In African Handbook of Climate Change Adaptation, 713–33. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_139.

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AbstractBamenda I municipality found in the humid tropic is endowed with a dense hydrological network which makes it a water catchment for the entire region. Paradoxically, the region still suffers problems of water shortage. This is due to the spatial and temporal variability in rainfall that greatly affects water supply through its impacts on surface and groundwater. For this reason, we came up with the research topic “Rainfall variability and quantity of water supply in Bamenda 1, Northwest Region of Cameroon.” The objective of this study is to examine the manifestations of rainfall variability, and how it affects quantity of water supply in the humid tropics. Rainfall data use for this study comprised of annual, monthly, and daily rainfall over a period of 55 years. Water supply data was made of monthly and annual supply. With these data, a Pearson’s correlation was computed, and it gave a value of 0.701, with a rainfall proportion of 49.14% and 50.86% for other factors. The seasonality and the Standardized Precipitation Index were equally analyzed. At the end of the study, results showed that rainfall events in Bamenda I fluctuates with time and in space. It equally presented a reduction in the number of rainy days from 204 days in 1663 to 155 in 2018. This led to a reduction in length of rainy season and in rainfall amounts. In addition, the area has witnessed sedimentation of riverbeds and water reservoirs due to erosion and deposition during high rainfall peaks. Equally, floods observed during high rainfall episodes have become a potential threat to water infrastructures imposing exceptional water shortages during the rainy seasons. Due to these, actors in the water supply sector are putting in measures to remedy the situation.
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"deposition (sedimentation)." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 357. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_41173.

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Conference papers on the topic "Sedimentation and deposition – Kansas"

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Somani, Imshaan, Jonathan Whitten, Sinjae Hyun, and Chong S. Kim. "Effects of Sedimentation on Particle Deposition in the Lung Alveoli." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192934.

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Deposition of inhaled particles in the lung is one of the key factors for assessing toxic effects of airborne pollutant particles on one hand and for evaluating efficacy of inhalant pharmaceutical aerosols on the other side. Due to the geometric complexity and time-dependency of respiratory tracks, the correct prediction of the particle transport and deposition in the lung airway has been studied with experimental and computational approaches. The human alveolar duct, which connects the alveoli to the bronchioles of the lung, is recently the subject of interest within mathematical modeling because of its implications to drug delivery and ingestion of pollutants. Series of computational approaches have been performed to model the entire lung using 1-dimensional and “trumpet” model analyses [1,2]. Although these models represent with reasonable approximation of the regional particle deposition characteristics, they do not account for the local intricacy of particle transport and deposition in the acinus region, consisting of the alveolar duct and alveoli.
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Hui (or initial) Liu, Heping (or initial) Zhu, Yue (or initial) Shen, Yu (or initial) Chen, Randall H. Zondag, and Erdal H. Ozkan. "Influence of travel speed on spray deposition uniformity from an air-assisted variable-rate sprayer." In 2013 Kansas City, Missouri, July 21 - July 24, 2013. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2013. http://dx.doi.org/10.13031/aim.20131594610.

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Zhang, N., Z. Charlie Zheng, L. Glasgow, and B. Braley. "Particle Deposition in a Room-Scale Chamber With Particle Injection." In ASME 2005 Fluids Engineering Division Summer Meeting. ASMEDC, 2005. http://dx.doi.org/10.1115/fedsm2005-77090.

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A model simulating the deposition of small particles with turbulent transport, sedimentation, and coagulation, is presented. Experimental measurements were conducted in a room-scale chamber using a specially designed sequential sampler. The measured deposition-rate data are compared with the simulation results. Distributions of particle-number density at different times are plotted in several viewing planes to facilitate discussion of the particle distribution patterns.
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Jin, Ming, and DingHua Hu. "Effect of Particle Sedimentation on Sessile Nanofluid Droplet." In ASME 2019 6th International Conference on Micro/Nanoscale Heat and Mass Transfer. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/mnhmt2019-4053.

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Abstract The effect of particle sedimentation on the evaporation rate of nanofluid droplets on a heated substrate is studied numerically. A two-dimension model of droplet evaporation and deposition using Arbitrary Lagrangian-Eulerian (ALE) method is developed, considering evaporation cooling, two-phase heat transfer, mass diffusion, nanoparticle transport and free surface evolution. The effects of temperature and particle concentration distribution on the total and local evaporation rate of millimeter-sized sessile nanofluid droplets with varying substrate temperature are numerically analyzed. It is shown that the nanoparticle concentration nearby the droplet edge is much higher than that nearby droplet center, and also the sedimentation at droplet edge is much more than that at droplet center. The non-uniform nanoparticle concentration inside droplets leads to a greater temperature difference along the free surface.
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Tadeu dos Reis, Antonio, Christian Gorini, and Alain Mauffret. "Salt tectonics-sedimentation interaction providing space accommodation for clastics deposition: the Pyreneo-languedocian fan, Gulf of Lions - Western Mediterranean Sea." In 8th International Congress of the Brazilian Geophysical Society. European Association of Geoscientists & Engineers, 2003. http://dx.doi.org/10.3997/2214-4609-pdb.168.arq_617.

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Renger, Stefan, Sören Alt, Wolfgang Kästner, André Seeliger, and Frank Zacharias. "Insulation Material Deposition and Distribution in a PWR Fuel Assembly Cluster." In 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icone20-power2012-54410.

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Background of experimental and methodical work is the loss of coolant accident (LOCA) with release of fibrous pipe insulation material. Latest investigations were focused on material deposition and distribution (cross mixing) in the reactor core. Therefore, a 2×2 PWR fuel assembly (FA) cluster was constructed. Four shortened PWR-FA-dummies are provided with separated in- and outlets. Every 16×16 fuel rod dummy consists of 20 control rod simulators, two spacers, FA-head and FA-bottom with a 3.5×3.5 mm integrated debris-screen filter (IDF). The cluster is encased in an acrylic housing for visual observation. It is connected with the test facility “Zittau Flow Tray” (ZFT), a simplified sump model, which allows inclusion and investigation of complex phenomena like material sedimentation in the sump and strainer blockages. A well mixing of air in the fluid was also considered by free jet expansions and flows through full cone-nozzles as well as marginal air entrainments. This Paper includes descriptions of applied measuring techniques (digital image processing, thrubeam laser sensors etc.) and an overview of all considered boundary conditions. Experimental results, aiming at the development, implementation and verification of multiphase flow and strainer models, are presented.
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Tian, L., G. Ahmadi, P. K. Hopke, and Y. S. Cheng. "Transport and Deposition of Particles and Fibers in Human Tracheobronchial Tree." In ASME 2009 Fluids Engineering Division Summer Meeting. ASMEDC, 2009. http://dx.doi.org/10.1115/fedsm2009-78284.

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Transport and deposition of ellipsoidal fibers in the human upper airways were analyzed using an asymmetric airway bifurcation model. The trachea and the first two generations (G0–G1) of the tracheobronchial tree were included in the study. The focus of the study was on prediction of transport and deposition of fibers and elongated particles. The laryngeal jet at the trachea entrance was modeled as an effective turbulence disturbance, and Reynolds stress transport turbulence model (RST) was used. For accurate modeling of the near wall airflow, the “two-layer zonal model” was used for boundary consideration, and the turbulence normal fluctuation close to wall is further corrected based on the “quadratic variation near wall model” (Tian and Ahmadi 2007). Lagrangian simulation of ellipsoidal fiber transport and deposition was developed where the coupled translational and rotational motions of the fibers were accounted for. The particle equations of motion included the hydrodynamic drag and torque, shear induced lift, gravitational sedimentation, and turbulence diffusion effects. The simulation results showed that the elongated fiber remained aligned with the main flow most of the time. On short duration occasions, the fibers rotated impulsively along their path. The fiber rotational motion was dependent on fiber geometry and the local flow shear. Fiber deposition pattern and deposition rate in the trachea and the first bifurcation were evaluated, and the results were compared with the experiments.
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Melhem, Omar A. "CFD Simulations of Aerosol Particles Deposition in a Venturi Meter Used in Smoke Sampling Devices." In ASME 2016 Fluids Engineering Division Summer Meeting collocated with the ASME 2016 Heat Transfer Summer Conference and the ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/fedsm2016-7657.

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Smoke sampling devices are used in several fields to study dynamics of smoke aerosols. An important criterion in designing smoke sampling devices is that flow paths leading to where the sample is characterized are constructed such that deposition of aerosol particles along the paths is minimized. Sampling devices often include a Venturi flow meter installed downstream of the smoke source, which may significantly alter the composition of the aerosol reaching the sample analyzer. The current work employs Computational Fluid Dynamics (CFD) to model particle deposition within the flow meter and to examine the effects of different design parameters. This study focuses on particles with sizes ranging from 0.01 to 100 microns, for which three main mechanisms for deposition can be identified: inertial impaction, gravitational sedimentation, and Brownian diffusion. It has been shown that inertial deposition is negligible for ultrafine particles (5–560 nm) and it becomes noticeable for particles in the micron size range. Also, deposition fractions increase with increasing particle sizes. Moreover, inertial particle deposition increases with increasing volume flow rates.
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Woodmansee, D. E., A. K. Tolpadi, T. H. Hwang, and A. D. Maddaus. "Ensuring Adequate Coolant Purity for Advanced Gas Turbines." In ASME 1995 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/95-gt-281.

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The role of particulate contaminants in advanced gas turbine coolants is discussed, especially in light of the extremely high G-field regions they will experience in service. Predictions of sedimentation in both laminar and highly turbulent accelerating flows using a computational fluid dynamics code are made for a range of particulate sizes to show that particles over 0.5 µm are of concern. Possible techniques for limiting access of these particulates to the gas turbines themselves are presented. Overall, contaminant deposition appears controllable, limiting required cleaning of coolant channels to regularly scheduled inspections.
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Kyoichi, Okamoto, Toyama Takeshi, and Komoriya Tomoe. "Development on Most Suitable Removal Method of Radioactive Cesium Adsorbed on Ocean Sludge by Using Fine Bubble and Activating Microorganisms." In ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/omae2017-62581.

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Fukushima nuclear accident of March 11, 2011, soil and water had been contaminated by radioactive cesium. Moreover, radioactive cesium was found in the ocean sludge in Tokyo Bay flowing from rivers. Cesium which is adsorbed to the sludge cannot be easily removed. One of the authors developed decomposition and purification system, a circulation-type system by fine bubbles, that is, by creating aerobic state, aerobic bacteria are activated resulting to decomposition and purification of ocean sludge. Based on the hypothesis that radioactive cesium is adsorbed on the surface of the sludge deposition. It is considered that cesium can be eluted after decomposing the deposited sludge. Once the cesium is eluted in the water, it can fix to a mineral such as zeolite. Eluting and fixing cesium adsorbed on sludge takes so much time. In this case, the concept of removing the left sludge by flocculation method and then followed by coagulating sedimentation method is studied. In this study, our objects are to show the effectivity and efficiency of using flocculation and coagulating sedimentation in removing radioactive cesium. As the results, we pointed out this method is very good.
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Reports on the topic "Sedimentation and deposition – Kansas"

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Sediment deposition and selected water-quality characteristics in Cedar Lake and Lake Olathe, Northeast Kansas, 2000. US Geological Survey, 2002. http://dx.doi.org/10.3133/wri024073.

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Deposition of selenium and other constituents in reservoir bottom sediment of the Solomon River Basin, north-central Kansas. US Geological Survey, 1999. http://dx.doi.org/10.3133/wri994230.

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Sediment deposition and trends and transport of phosphorus and other chemical constituents, Cheney Reservoir watershed, south-central Kansas. US Geological Survey, 2001. http://dx.doi.org/10.3133/wri014085.

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Sediment deposition and occurrence of selected nutrients and other chemical constituents in bottom sediment, Tuttle Creek Lake, Northeast Kansas, 1962–99. US Geological Survey, 2002. http://dx.doi.org/10.3133/wri024048.

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Sediment deposition and occurrence of selected nutrients, other chemical constituents, and diatoms in bottom sediment, Perry Lake, northeast Kansas, 1969–2001. US Geological Survey, 2003. http://dx.doi.org/10.3133/wri034025.

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