Interactions Between Airflow and Valley Topography with Implications for Aeolian Sediment Transport

References

• Beniston, M., Ruffieux, D., and Hertig, J-A. (1989) A combined numerical and wind-tunnel study of ventilation and air pollution episodes in a rural valley of Switzerland. Boundary-Layer Meteorology , Vol. 48 , 129-156.
   Google Scholar
• Bowen, A. J. and Lindley, D. (1977) A wind-tunnel investigation of the wind speed and turbulence characteristics close to the ground over various escarpment shapes. Boundary-Layer Meteorology , Vol. 12 , 259-271.
   Google Scholar
• Bullard, J. E. and Nash, D. J. (1998) Linear dune pattern variability in the vicinity of dry valleys in the southwest Kalahari. Geomorphology , Vol. 23 , 35-54.
   Google Scholar
• Bullard, J. E. and Nash, D. J. (2000) Valley-marginal sand dunes in the south-west Kalahari: Their nature, classification and possible origins. Journal of Arid Environments , Vol. 45 , 369-383.
   Google Scholar
• Bullard, J. E., Wiggs, G. F. S., and Nash, D. J. (2000) Experimental study of wind directional variability in the vicinity of a model valley. Geomorphology , Vol. 35 , 127-143.
   Google Scholar
• Carruthers, D. J. and Hunt, J. C. R. (1990) Fluid mechanics of air flow over hills: Turbulence, fluxes and waves in the boundary layer. In R. M. Banta, ed., Atmospheric Processes over Complex Terrain, Meteorological Monographs , Volume 23 . Boston, MA: American Meteorological Society, 88-103.
   Google Scholar
• Finnigan, J. J., Raupach, M. R., Bradley, E. F., and Aldis, G. K. (1990) A wind tunnel study of turbulent flow over a two-dimensional ridge. Boundary-Layer Meteorology , Vol. 50 , 277-317.
   Google Scholar
• Frank, A. and Kocurek, G. (1996) Airflow up the stoss slope of sand dunes: Limitations of current understanding. Geomorphology , Vol. 17 , 47-54.
   Google Scholar
• Goossens, D. and Offer, Z. Y. (1997) Aeolian dust erosion on different types of hills in a rocky desert: Wind tunnel simulations and field measurements. Journal of Arid Environments , Vol. 37 , 209-229.
   Google Scholar
• Guardans, R. and Palomino, I. (1995) Description of wind field dynamic patterns in a valley and their relation to mesoscale and synoptic-scale meteorological situations. Journal of Applied Meteorology , Vol. 34 , 49-67.
   Google Scholar
• Harmse, J. T. (1982) Geomorphologically effective winds in the northern part of the Namib sand desert. South African Geographer , Vol. 10 , 43-52.
   Google Scholar
• Hunt, J. C. R., Leibovich, S., and Richards, K. J. (1988) Turbulent shear flows over low hills. Quarterly Journal of the Royal Meteorological Society , Vol. 114 , 1435-1470.
   Google Scholar
• Jackson, P. S. and Hunt, J. C. R. (1975). Turbulent wind flow over a low hill. Quarterly Journal of the Royal Meteorological Society , Vol. 101 , 929-955.
   Google Scholar
• Kalthoff, N., Horlacher, V., Corsmeier, U., Volz-Thomas, A., Kolhagar, B., Geiss, H., Mollmann-Coers, M., and Knaps, A. (2000) Influence of valley winds on transport and dispersion of airborne pollutants in the Freiburg-Schauinsland area. Journal of Geophysical Research—Atmospheres , Vol. 105 , 1585-1597.
   Google Scholar
• Kim, H. G., Patel, V. C., and Lee, C. M. (2000) Numerical simulation of wind flow over hilly terrain. Journal of Wind Engineering and Industrial Aerodynamics , Vol. 87 , 45-60.
   Google Scholar
• Lancaster, J., Lancaster, N., and Seely, M. (1984) The climate of the central Namib. Madoqua , Vol. 14 , 5-61.
   Google Scholar
• Lancaster, N. (1989a) The Namib Sand Sea: Dune Forms, Processes and Sediments. Rotterdam, The Netherlands: Balkema.
   Google Scholar
• Lancaster, N. (1989b) The dynamics of star dunes: An example from the Gran Desierto, Mexico. Sedimentology , Vol. 36 , 273-289.
   Google Scholar
• Lawson, M. and Thomas, D. S. G. (2001) Late Quaternary lunette dune sedimentation in the southwestern Kalahari Desert, South Africa: Luminescence based chronologies of aeolian activity. Quaternary Science Reviews , Vol. 21 , 825-836.
   Google Scholar
• Mason, P. J. (1987) Diurnal variations in flow over a succession of ridges and valleys. Quarterly Journal of the Royal Meteorological Society , Vol. 113 , 1117-1140.
   Google Scholar
• McIntosh, D. W. and Thom, A. S. (1981) Essentials of Meteorology. London, UK: Taylor and Francis.
   Google Scholar
• Mulligan, K. R. (1988) Velocity profiles measured on the windward slope of a transverse dune. Earth Surface Processes and Landforms , Vol. 13 , 573-582.
   Google Scholar
• Schulze, B. R. (1972) South Africa. In J. F. Griffiths, ed., World Survey of Climatology Vol. 10, Climates of Africa. Amsterdam, The Netherlands: Elsevier.
   Google Scholar
• Sierputowski, P., Ostrowski, J., and Cenedese, A. (1995) Experimental study of wind flow over the model of a valley. Journal of Wind Engineering and Industrial Aerodynamics , Vol. 57 , 127-136.
   Google Scholar
• Taylor, P. A., Mason, P. J., and Bradley, E. F. (1987) Boundary layer flow over low hills. Boundary-Layer Meteorology , Vol. 39 , 107-132.
   Google Scholar
• Tyson, P. D. and Seely, M. (1980) Local winds over the central Namib. South African Geographical Journal , Vol. 62 , 136-150.
   Google Scholar
• Ward, J. D. (1987) The Cenozoic Succession in the Kuiseb Valley, Central Namib Desert. Windhoek, Namibia: Geological Survey of Namibia Memoir No. 9, Department of Economic Affairs.
   Google Scholar
• Weber, R. O. and Kaufmann, P. (1998) Relationship of synoptic winds and complex terrain flows during the MISTRAL field experiment. Journal of Applied Meteorology , Vol. 37 , 1486-1498.
   Google Scholar
• Whiteman, C. D., Bian, X. D., and Sutherland, J. L. (1999) Wintertime surface wind patterns in the Colorado River valley. Journal of Applied Meteorology , Vol. 38 , 1118-1130.
   Google Scholar
• Whiteman, C. D. and Doran, J. C. (1993) The relationship between overlying synoptic-scale flows and winds within a valley. Journal of Applied Meteorology , Vol. 32 , 1669-1682.
   Google Scholar
• Wiggs, G. F. S. (1993) Desert dune dynamics and the evaluation of shear velocity: An integrated approach. In K. Pye, ed., The Dynamics and Environmental Context of Aeolian Sedimentary Systems. London, UK: The Geological Society of London. Special Publication 72 , 37-46.
   Google Scholar
• Wiggs, G. F. S. (1997) Sediment mobilisation by the wind. In D. S. G. Thomas, ed., Arid Zone Geomorphology. Chichester, UK: Wiley, 351-372.
   Google Scholar
• Wiggs, G. F. S. (2001) Desert dune processes and dynamics. Progress in Physical Geography , Vol. 25 , 55-81.
   Google Scholar
• Wiggs, G. F. S., Livingstone, I., Thomas, D. S. G., and Bullard, J. E. (1996) Airflow and roughness characteristics over partially-vegetated linear dunes in the southwest Kalahari desert. Earth Surface Processes and Landforms , Vol. 21 , 19-34.
   Google Scholar
• Wiggs, G. F. S., Livingstone, I., and Warren, A. (1996) The role of streamline curvature in sand dune dynamics: Evidence from field and wind tunnel measurements. Geomorphology , Vol. 17 , 29-46.
   Google Scholar
• Wilkinson, M. J. (1988) Linear dunes in the central Namib desert: Theoretical and chronological perspectives from wind streaks. In G. F. Dardis and B. P. Moon, eds., Geomorphological Studies in Southern Africa. Rotterdam, The Netherlands: Balkema, 85-113.
   Google Scholar
• Young, J. A. and Evans, R. A. (1986) Erosion and deposition of fine sediments from playas. Journal of Arid Environments , Vol. 10 , 103-115.
   Google Scholar