Formation and behavior of aeolian streamers

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August undefined, 2024

WebSep 1, 2005 · Aeolian transport occurs predominantly in the form of families of intertwining and bifurcating streamers, while under intense wind forcing, more complex patterns of … WebAeolian sediment transport has major repercussions for global climatic variations, air quality, human health, agricultural areas, air and ground transportation, civil structures and...

EarthRef.org Reference Database (ERR) -- Baas & Sherman 2005

WebMar 8, 2006 · [2] Wind driven sand transport in natural environments such as desert and beaches exhibits complicated patterns and an intermittent spatio-temporal behavior, as typified by the common occurrence of aeolian streamers – also know as sand snakes or ribbons – over bare sand surfaces. WebThe formation and behavior of aeolian streamers. Journal of Geophysical Research 110, F03011, doi:10.1029/2004JF000270. Google Scholar Baas, A.C.W. and D.J. Sherman. 2006. Spatio-temporal variability of aeolian … knc ct10

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WebDec 13, 2024 · Under traffic loading, the soil elements in subgrade are subjected to a complex 3D stress path. To investigate the cyclic behavior of desert subgrade under initial shear stress conditions, the number of cyclic true triaxial tests were implemented on aeolian sand from the Tengger Desert. A large range of initial shear stress levels and different … WebNov 20, 2015 · Streamers in Wales (Baas and Sherman 2005) (Photo by Karl Nordstrom) Full size image. Streamer, Fig. 2. Aeolian streamers moving toward the observer over … Webof the formation and behavior of sand streamers may be critical for improved predictions of aeolian sand transport and for puting forward more sophisticated models that account for the transport ... knc carpet

The movement of desert sand Proceedings of the Royal Society …

Aeolian sediment transport on a beach - Semantic Scholar

WebJul 18, 2015 · Throughout a year, they can cover up to 11% of the Earth surface, concentrated toward the poles. These forms impact the local surface energy balance and the distribution of precipitation. Only a few studies have concentrated on their genesis. Their size ranges from 2 cm (ripple marks) to 2.5 m tall (whaleback dunes). WebThe mechanism, however, by which ( a) the grains composing this cloud are raised, ( b) the rate of mass movement of the sand depends upon the wind velocity, or ( c) the wind velocity close to the surface is affected by the presence of the sand cloud, does not appear to have been previously investigated experimentally. knc ct-51WebBaas ACW, Sherman DJ (2005) Formation and behavior of aeolian streamers. J Geophys Res-Earth Surf 110:F03011. doi:10.1029/2003JE002155 Google Scholar Google Scholar knc ct-11

"WebAeolian streamers are common in prototype saltation systems. Streamers are elongate, flow-aligned features within which the concentrations of saltating grains are large relative … " - Formation and behavior of aeolian streamers

Formation and behavior of aeolian streamers

Soil moisture: A central and unifying theme in physical geography

WebJan 1, 2014 · Aeolian Sand Transport; These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves. Download reference work entry PDF ... Streamers in Wales (Baas and Sherman 2005) (Photo by Karl Nordstrom) WebFormation and behavior of aeolian streamers. Journal of Geophysical Research 110: doi: 10.1029/2004JF000270. issn: 0148-0227. Field experiments were conducted to …

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Webdimensions and behavior of aeolian streamers and to identify the processes responsible for their formation. An instrument array that included anemometer towers, pie¨zo-electric … WebJan 12, 2024 · 1) The existence of large-scale turbulence structure in flash flood from the streamwise velocity contours and the large-scale coherent structure in the flow field can reach up to six times the boundary layer thickness.

WebDec 23, 2014 · A.C.W. Baas, The Formation and Behavior of Aeolian Streamers, PhD Thesis, University of Southern California (2003) pp. 1--412 A.C.W. Baas, D.J. Sherman, J. Geophys. Res. Earth Surf. 110, F03011 (2005) ADS Google Scholar I.J. Walker, Geomorphology 68, 57 (2005) Article ADS Google Scholar WebSep 1, 2005 · It is proposed that streamers are generated by near-surface gusts that originate from large eddies propagating to the ground from higher regions of the …

WebMar 1, 2013 · Aeolian processes, involving erosion, transportation, and deposition of sediment by the wind, occur in a variety of environments, including the coastal zone, and cold and hot semiarid and arid... WebDec 31, 2004 · Formation and behavior of aeolian streamers Andreas Baas D J Sherman 31 December 2004 'American Geophysical Union (AGU)' DOI: 10.1029/2004JF000270 …

WebJun 15, 2015 · Aeolian sand bursts evolve downstream into streamers, which are so far, poorly understood. Future studies in the field should focus on these interesting coherent 3D structures. Additional Information

WebApr 1, 2009 · DOI: 10.1016/J.GEOMORPH.2008.02.018 Corpus ID: 128427757; Aeolian sediment transport on a beach : Thresholds, intermittency, and high frequency variability @article{DavidsonArnott2009AeolianST, title={Aeolian sediment transport on a beach : Thresholds, intermittency, and high frequency variability}, author={Robin G. D. … knc ct-65WebMay 17, 2012 · Formation and behavior of aeolian streamers. Journal of Geophysical Research, Vol. 110, No. F3. Some unexpected effects of wavelength and perturbation strength on heat transfer enhancement by Görtler instability. International Journal of Heat and Mass Transfer, Vol. 47, No. 17-18. knc ct54WebDec 1, 2024 · A numerical work of large eddy simulations showed that aeolian streamers appear clearly related to elongated near-surface eddies (Dupont et al., 2013). ... The formation and behavior of aeolian streamers. PhD Thesis, University of Southern California (2003), pp. 1-412. View in Scopus Google Scholar. Baas, 2006. knc criptoWebIt is proposed that streamers are generated by near-surface gusts that originate from large eddies propagating to the ground from higher regions of the boundary layer. These … red bird crystal germanyWebAeolian sand streamers are an important manifestation of spatial and temporal pattern-ing of sand transport by wind on beaches and in deserts. This contribution presents the … red bird crystal collectionWebThis paper reviews the challenges involved with instrumentation, data acquisition, analysis, and the application of theory when conducting field experiments in natural aeolian … knc ct53sWebSep 6, 2013 · The spatial and temporal changes in aeolian transport over a dune are fundamental factors that control the morphology of the dune. In the present study, we … red bird crystal