Academic literature on the topic 'Windblown sand'

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Journal articles on the topic "Windblown sand"

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Bo, Tian-Li, Zheng Li, and Xiao-Jing Zheng. "Sand particle dislodgement in windblown sand." Acta Mechanica Sinica 30, no. 6 (December 2014): 910–16. http://dx.doi.org/10.1007/s10409-014-0099-5.

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Huang, Bin, Zhengnong Li, Zhitian Zhang, Zhefei Zhao, and Bo Gong. "Wind Tunnel Test on Windblown Sand Two-Phase Flow Characteristics in Arid Desert Regions." Applied Sciences 11, no. 23 (November 30, 2021): 11349. http://dx.doi.org/10.3390/app112311349.

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Windblown sand two-phase flow characteristics become an essential factor in evaluating the windblown sand load on infrastructures and civil structures. Based on the measured wind characteristics in arid desert regions, windblown sand flow fields with three kinds of sand beds are simulated in the wind tunnel, respectively. The results indicate that the characteristic saltation height of sand particles increases with the wind speed and particle size in the windblown sand flow field. As the sand concentration increases, the wind speed decreases, and the turbulence intensity increases. The concentration, energy, and impact pressure of sand particles increase with increasing wind speed and decrease exponentially with increasing height. At the same wind speed, the concentration, energy, and impact pressure of the coarse sand, fine sand, and mixed sand increases, in turn. Moreover, the variation of kinetic energy with height is similar to that of total energy with height and the proportion of potential energy to total energy is quite small.
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Kurtze, Douglas A., Joseph A. Both, and Daniel C. Hong. "Surface instability in windblown sand." Physical Review E 61, no. 6 (June 1, 2000): 6750–58. http://dx.doi.org/10.1103/physreve.61.6750.

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Zhao, Yuxi, Rongcheng Liu, Fan Yan, Dawei Zhang, and Junjin Liu. "Windblown Sand-Induced Degradation of Glass Panels in Curtain Walls." Materials 14, no. 3 (January 28, 2021): 607. http://dx.doi.org/10.3390/ma14030607.

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The windblown sand-induced degradation of glass panels influences the serviceability and safety of these panels. In this study, the degradation of glass panels subject to windblown sand with different impact velocities and impact angles was studied based on a sandblasting test simulating a sandstorm. After the glass panels were degraded by windblown sand, the surface morphology of the damaged glass panels was observed using scanning electron microscopy, and three damage modes were found: a cutting mode, smash mode, and plastic deformation mode. The mass loss, visible light transmittance, and effective area ratio values of the glass samples were then measured to evaluate the effects of the windblown sand on the panels. The results indicate that, at high abrasive feed rates, the relative mass loss of the glass samples decreases initially and then remains steady with increases in impact time, whereas it increases first and then decreases with an increase in impact angle such as that for ductile materials. Both visible light transmittance and effective area ratio decrease with increases in the impact time and velocities. There exists a positive linear relationship between the visible light transmittance and effective area ratio.
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Bruno, Luca, Nicolas Coste, Davide Fransos, Andrea Lo Giudice, Luigi Preziosi, and Lorenzo Raffaele. "Shield for Sand: An Innovative Barrier for Windblown Sand Mitigation." Recent Patents on Engineering 12, no. 3 (October 22, 2018): 237–46. http://dx.doi.org/10.2174/1872212112666180309151818.

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Liu, Yakui, Li Xie, Qiang Ma, Junjie Li, and Jùn Zhou. "Charges of individual sand grains in natural windblown sand fluxes." Aeolian Research 53 (September 2021): 100743. http://dx.doi.org/10.1016/j.aeolia.2021.100743.

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Bo, Tian-Li, Huan Zhang, Wen-Wen Hu, and Xiao-Jing Zheng. "The analysis of electrification in windblown sand." Aeolian Research 11 (December 2013): 15–21. http://dx.doi.org/10.1016/j.aeolia.2013.07.004.

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Tresca, Antoine, Marie-Hélène Ruz, Stéphane Raison, and Pascal Grégoire. "MANAGEMENT OF AEOLIAN SAND TRANSPORT ON A DIKE, DUNKIRK SEAPORT, FRANCE." Coastal Engineering Proceedings 1, no. 33 (October 25, 2012): 91. http://dx.doi.org/10.9753/icce.v33.sediment.91.

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The shoreline of Dunkirk Seaport partly consists of a macrotidal beach oriented WSW-ENE backed by a 6 km long coated dike called “digue du Braek”. Aeolian sand transport was estimated on asphalt by means of sand traps. Also, time-averaged wind speed profiles were measured using cup anemometers under various wind velocities and directions along a transversal profile on the dike and the upper beach. High rates of sand transport enabled the setup of different kinds of experimental windbreaks on asphalt, in order to test potential dune formation on this kind of substrate. Under oblique onshore winds, it was regularly observed that amounts of sand captured in the traps placed on the dike were more important than those in traps placed on the upper beach. These results were related to sand sources: windblown sand captured on the dike originated from the coastal dunes developed at the dike toe, while sand trapped on the upper beach came from the tidal zone were aeolian transport is limited by complex intertidal bar-trough topography. It also appeared from the topographic surveys carried out on the windbreaks that although their location seemed to play a major role on the amount of sand captured, fences and synthetic fabrics deployed on sandy surfaces were also able to trap windblown sand on the seaport dike.
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Zhang, Shuai, Guo-dong Ding, Ming-han Yu, Guang-lei Gao, Yuan-yuan Zhao, Guo-hong Wu, and Long Wang. "Effect of Straw Checkerboards on Wind Proofing, Sand Fixation, and Ecological Restoration in Shifting Sandy Land." International Journal of Environmental Research and Public Health 15, no. 10 (October 6, 2018): 2184. http://dx.doi.org/10.3390/ijerph15102184.

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Due to their simple layout and adaptability to various environments, straw checkerboards are widely used to control windblown sand in China. To fully understand the wind proofing and sand-fixing benefits of different board specifications, and to determine the restorative effects of straw checkerboard, we tested different sizes of checkerboard, determined their performance as a windbreak and in trapping shifting sand, and constructed models based on wind tunnel tests, enabling the wind speed flow field to be analysed. We also sampled the soil in areas where straw checkerboards had been established for several years and analysed the trends in soil physical and chemical properties over time. We found that all sizes of straw checkerboard effectively reduced the wind speed near the surface and formed a protected area, with the best protective effect achieved for a one-meter board. All sizes of straw checkerboard effectively intercepted windblown sand to form surface accumulation, with the one-meter board again showing the best performance. The use of a straw checkerboard also effectively improved the physical and chemical properties of soil and promoted ecological restoration. These results indicate that straw checkerboards are a low-cost engineering measure that could play an important role in desertification control and the ecological restoration of sandy land ecosystems.
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Michels, Karlheinz, Dean V. Armbrust, Bruce E. Allison, and Mannava V. K. Sivakumar. "Wind and Windblown Sand Damage to Pearl Millet." Agronomy Journal 87, no. 4 (July 1995): 620–26. http://dx.doi.org/10.2134/agronj1995.00021962008700040003x.

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Dissertations / Theses on the topic "Windblown sand"

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RAFFAELE, LORENZO. "Windblown Sand Modelling and Mitigation for Civil Structures." Doctoral thesis, Politecnico di Torino, 2019. http://hdl.handle.net/11583/2729355.

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Schwenninger, Jean-Luc. "The evolution of coastal sand dunes in the southern isles of the Outer Hebrides of Scotland." Thesis, Royal Holloway, University of London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266855.

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HORVAT, MARKO. "Computational Wind Engineering simulations for design of Sand Mitigation Measures and performance assessment." Doctoral thesis, Politecnico di Torino, 2021. http://hdl.handle.net/11583/2872324.

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Neal, Patrick M. "Correlation of liquefaction and settlement in windblown sands using the flat plate dilatometer." Thesis, Cape Peninsula University of Technology, 2011. http://hdl.handle.net/20.500.11838/1032.

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A thesis submitted to the Faculty of Engineering, Cape Peninsula University of Technology, Cape Town, in partial fulfilment of the requirements for the M-Tech Degree in Civil Engineering” Cape Town 16 MAY 2011
Dwellings in impoverished and upper class urban areas of the Western Cape have undergone serious structural failure due to problematic underlying sand deposits, generally known as Cape Flats windblown found in areas such as Delft, Blue Downs and the Atlantic Beach Golf Estate. The problem is compounded further when moisture penetrates below the footings and reaches saturation in the winter months. When poorly graded sand with a high fines content is coupled with vibration (through earth tremors), liquefaction may occur and without proper precautions, this can lead to inadequate foundation design, more than expected settlement and eventual structural failure. Some sand deposits are highly contaminated with organic debris, leading to compressible and collapsible conditions. Little knowledge is locally available of liquefiable conditions in windblown dune sand and what long-term settlement can be expected. The Western Cape is not known as an area exposed to serious seismic activity, but an updated (and more locally applicable set of data) is needed to eliminate possible erroneous foundation design. Samples have been extracted from typical sandy sites in the Western Cape where windblown dune sand is evident. Laboratory tests have been carried out on representative samples for closer examination and have been placed inside a purpose built calibration chamber that facilitates easy densification and probe testing. A DMT (flat blade dilatometer) was used to hydraulically penetrate the chamber sand sample to varying depths (up to 800 mm). The device can measure (with reduction formula) horizontal stress, angle of friction, bearing capacity and settlement. An accelerometer was attached to the chamber wall and vibration measured with the sand in varying states of moisture. The DMT is an unexplored in-situ soil testing device in South Africa and so far the outcome indicates favourably compared to other devices such as the Dynamic Cone Penetrometer (DCP. The DMT has the ability to measure the in-situ stiffness, strength and stress history parameters of soil for better site characterisation. Settlement within the chamber is easily measured. The DMT has, for example, indicated that sand from the Philippi area are a problematic founding soil and should be treated with special care at shallow founding levels. The horizontal stress index is low and according to the available knowledge on soil stress history, these sand, coupled with low densities, can liquefy easily and result in structural damage. The West Coast dune sand, being coarser and easily consolidated, poses less of a problem under liquefiable conditions. A suitable terrain device for easy on-site manoeuvrability is required to assist the DMT in further testing.
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Books on the topic "Windblown sand"

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Nwankwo, Arthur Agwuncha. Sand dunes and windblows. Enugu, Nigeria: Fourth Dimension Pub. Co., 1994.

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Burns, Larry Allen. Like Windblown Sand. PublishAmerica, 2007.

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Zimbelman, James R., and Ralph D. D. Lorenz. Dune Worlds: How Windblown Sand Shapes Planetary Landscapes. Springer, 2016.

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Lorenz, Ralph D., and James R. Zimbelman. Dune Worlds: How Windblown Sand Shapes Planetary Landscapes (Springer Praxis Books). Springer, 2014.

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Book chapters on the topic "Windblown sand"

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Pye, Kenneth, and Haim Tsoar. "Characteristics of Windblown Sediments." In Aeolian Sand and Sand Dunes, 51–97. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-85910-9_3.

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Pye, Kenneth, and Haim Tsoar. "Characteristics of windblown sediments." In Aeolian sand and sand dunes, 44–87. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-011-5986-9_3.

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Raffaele, L., and L. Bruno. "Probabilistic Assessment of Windblown Sand Accumulation Around Railways." In Lecture Notes in Civil Engineering, 562–72. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12815-9_43.

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Greeley, Ronald, Dan G. Blumberg, Anthony R. Dobrovolskis, Lisa R. Gaddis, James D. Iversen, Nicholas Lancaster, Keld R. Rasmussen, R. Stephen Saunders, Stephen D. Wall, and Bruce R. White. "Potential Transport of Windblown Sand: Influence of Surface Roughness and Assessment with Radar Data." In Desert Aeolian Processes, 75–99. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-009-0067-7_4.

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Walker, Ian J. "Aeolian (windblown) sand transport over beaches." In Sandy Beach Morphodynamics, 213–53. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-08-102927-5.00010-2.

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Daniel, I. Randolph, and Michael Wisenbaker. "Site Stratification and Cultural Stratification." In Harney Flats. University Press of Florida, 2017. http://dx.doi.org/10.5744/florida/9781683400226.003.0003.

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This chapter describes site stratigraphy. Site deposition appears to have been dominated by windblown sand that was sufficient to bury lithic assemblages creating a stratified sequence at Harney Flats. Excavation profiles at Harney Flats were dominated by some two meters of pedogenically modified sands. The upper 1.6 meters of sand contained archaeological deposits dominated by a Bolen/Suwannee component concentrated from 100 to 130 centimeters below surface and a Newnan component from roughly 60 to 90 centimeters below surface. A much more ephemeral later period ceramic component was present from about 40 to 60 centimeters below surface. Of significance is that a dense hardpan soil zone present from about 75 to 85 centimeters below surface prevented stratigraphic mixing of the Newnan and Bolen/Suwannee assemblages.
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Yokota, Takuya, Takaaki Uda, and Yasuhito Noshi. "Numerical Simulation on Sand Accumulation behind Artificial Reefs and Enhancement of Windblown Sand to Hinterland." In Numerical Simulation [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.107014.

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Salients were formed in the lee of two artificial reefs (submerged breakwaters) constructed on Kimigahama Beach in Chiba Prefecture, Japan, owing to the wave-sheltering effect of the reefs, and then, a significant amount of fine sand was transported inland from the salients by wind action. In this study, not only shoreline changes after the installation of the two artificial reefs but also beach changes caused by windblown sand were predicted using a model, in which the BG model (a model for predicting three-dimensional beach changes due to waves based on Bagnold’s concept) is combined with a cellular automaton method. Reproduction calculation was carried out on the basis of field data. Beach changes after the artificial reefs were removed were also predicted and the effect of beach nourishment was investigated. It was concluded that landward sand transport by wind is accelerated when wave-sheltering structures such as an artificial reef are constructed on a coast composed of fine sand, and such an effect can be successfully predicted by using the present model.
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Hyde, Peter, and Alex Mahalov. "Bowing Sand, Dust, and Dunes, Then and Now–A North American Perspective." In Deserts and Desertification. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.98337.

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Dune fields of the present day, the Dust Bowl disaster of the 1930s U.S. Great Plains, and contemporary efforts to forecast, simulate, and understand dust storms have a striking, uniform commonality. What these apparently diverse phenomena have in common is that they all result from blowing sand and dust. This review paper unifies these three disparate but related phenomena. Its over-arching goal is to clearly explain these manifestations of windblown sand and dust. First, for contemporary dune fields, we offer reviews of two technical papers that explain the eolian formation and the continuing development of two major dune fields in southeastern California and northwestern Sonora, Mexico: the Algodones Dunes and the Gran Desierto de Altar. Second, historical, geological, meteorological, and socioeconomic aspects of the 1930s Great Plains Dust Bowl are discussed. Third, and last, we return to the present day to summarize two lengthy reports on dust storms and to review two technical papers that concern their forecasting and simulation. The intent of this review is to acquaint the interested reader with how eolian transport of sand and dust affects the formation of present-day dune fields, human agricultural enterprises, and efforts to better forecast and simulate dust storms. Implications: Blowing sand and dust have drastically affected the geological landscape and continue to shape the formation of dune fields today. Nearly a century ago the U.S. Great Plains suffered through the Dust Bowl, yet another consequence of blowing sand and dust brought on by drought and mismanagement of agricultural lands. Today, this phenomenon adversely affects landscapes, transportation, and human respiratory health. A more complete understanding of this phenomenon could (and has) led to more effective mitigation of dust sources, as well as to a more accurate predictive system by which the public can be forewarned.
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Gray, John S., and Michael Elliott. "The sediment and related environmental factors." In Ecology of Marine Sediments. Oxford University Press, 2009. http://dx.doi.org/10.1093/oso/9780198569015.003.0006.

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Our next major question is, how can we characterize the sediment as a habitat for biota? Marine sediments range from coarse gravels in areas subjected to much wave and current action, to muds typical of low-energy estuarine areas and to fine silts and clays in deep-sea sediments. The settling velocity of those particles and the ability of any particle to be re-suspended, moved, and redeposited depends on the prevailing hydrographic regime (e.g. see Open University 2002). The latter will in turn influence the transport of a species´ dispersal stages, especially larvae which will then be allowed to settle following metamorphosis under the appropriate hydrographic conditions (defined as hydrographic concentration). Hence the presence of fine sediments will indicate the depositing/accreting areas which may also be suitable for passively settling organisms. Clearly the particle size is of major importance in characterizing sediments, although sediments can also be categorized by their origin (fluvial, biogenic, cosmogenic, etc.) and their material (quartz, carbonates, clays, etc.) (Open University 2002). On a typical sandy beach the coarsest particles lie at the top of the beach and grade down to the finest sediments at the waterline. The top of the beach is dry and there is much windblown sand, since coarse sands drain rapidly, whereas at the lower end of the beach the sediments are wet, with frequent standing pools. Coarse sediment is found at the top of the shore because as the waves break on the beach the heaviest particles sediment out first. Finer particles remain in suspension longer and are carried seaward on the wave backwash. Beaches change their slope over the seasons, being steeper in winter and shallower in summer. A greater degree of wave energy will produce steeper beaches, as particles are pushed up the beach and so may be stored there, whereas gentle waves produce shallow, sloping beaches. Waves hitting the shore obliquely will create sediment movement as longshore drift. Subtidally, waves are important in distributing and affecting sediments down to depths of 100 m, but the effect decreases exponentially with depth and so the dominant subtidal influences on sediment transport are currents.
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Conference papers on the topic "Windblown sand"

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Raffaele, Lorenzo, and Luca Bruno. "Railway Megaprojects: a Semi-probabilistic Approach to Windblown Sand Action." In IABSE Symposium, Nantes 2018: Tomorrow’s Megastructures. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2018. http://dx.doi.org/10.2749/nantes.2018.s10-1.

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