Field measurements of mean and turbulent airflow over a barchan sand dune

Geomorphology

Volumn 128, Issue 1-2, 2011, Pages 32-41

  Weaver, Corinne M ^a   Wiggs, Giles F S ^a  

^a UNIVERSITY OF OXFORD   (United Kingdom)

Author keywords

Reynolds stress; Sand dune; Sediment transport; Shear velocity; Turbulence

Indexed keywords

AIRFLOW; BARCHAN; EOLIAN PROCESS; FLOW VELOCITY; NUMERICAL MODEL; REYNOLDS NUMBER; SEDIMENT TRANSPORT; SHEAR FLOW; SHEAR STRESS; TURBULENCE; TURBULENT FLOW; WIND TUNNEL;

NAMIBIA;

EID: 79952281947     PISSN: 0169555X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.geomorph.2010.12.020     Document Type: Article

References (49)

1. Baas A.C.W. Evaluation of saltation flux impact responders (Safires) for measuring instantaneous aeolian sand transport intensity. Geomorphology 2004, 59:99-118.
2. Baas A.C.W. Wavelet power spectra of aeolian sand transport by boundary layer turbulence. Geophysical Research Letters 2006, 33:L05403. 10.1029/2005GL025547.
3. Baas A.C.W., Sherman D.J. Formation and behaviour of aeolian streamers. Journal of Geophysical Research 2005, 110:F03011. 10.1029/2004JF000270.
4. Baddock, M.C., 2005. Airflow dynamics in transverse dune interdunes. PhD Thesis, University of Leicester, U.K.
5. Bennett S.J., Best J.L. Mean flow and turbulence structure over fixed, two-dimensional dunes: implications for sediment transport and bedform stability. Sedimentology 1995, 42:491-513.
6. Britter R.E., Hunt J.C.R., Richards K.J. Air flow over a two-dimensional hill: studies of velocity speed-up, roughness effects and turbulence. Quarterly Journal Royal Meteorological Society 1981, 107:91-110.
7. Butterfield G.R. Transitional behaviour of saltation: wind tunnel observations of unsteady winds. Journal of Arid Environments 1998, 39:377-394.
8. Dong Z., Qinan G., Lu P., Luo W., Wang H. Turbulence fields in the lee of two-dimensional transverse dunes simulated in a wind tunnel. Earth Surface Processes and Landforms 2009, 34(2):204-216.
9. Finnigan J.J., Raupach M.R., Bradley E.F., Aldis G.K. A wind tunnel study of turbulent flow over a two-dimensional ridge. Boundary-Layer Meteorology 1990, 50:277-317.
10. Frank H.P. A simple spectral model for the modification of turbulence in flow over gentle hills. Boundary-Layer Meteorology 1996, 79:345-373.
11. Frank A.J., Kocurek G. Airflow up the stoss slope of sand dunes: limitations of current understanding. Geomorphology 1996, 17:47-54.
12. Gong W., Ibbetson A. A wind tunnel study of turbulent flow over model hills. Boundary-Layer Meteorology 1989, 49:113-148.
13. Heathershaw A.D., Thorne P.D. Sea-bed noises reveal role of turbulent bursting phenomenon in sediment transport by tidal currents. Nature 1985, 316:339-342.
14. Hunt J.C.R., Leibovich S., Richards K.J. Turbulent shear flows over low hills. Quarterly Journal Royal Meteorological Society 1988, 114:1435-1470.
15. Jackson P.S., Hunt J.C.R. Turbulent wind flow over a low hill. Quarterly Journal Royal Meteorological Society 1975, 101:929-955.
16. Jackson D.W.T., McCloskey J. Preliminary results from a field investigation of aeolian sand transport using high resolution wind and transport measurements. Geophysical Research Letters 1997, 24:163-166.
17. Lancaster N. Variations in wind velocity and sand transport on the windward flanks of desert sand dunes. Sedimentology 1985, 32:581-593.
18. Lancaster N. Reply: variations in wind velocity and sand transport on the windward flanks of desert sand dunes. Sedimentology 1987, 34:511-520.
19. Lancaster N., Nickling W.G., McKenna-Neuman C., Wyatt V.E. Sediment flux and airflow on the stoss slope of a barchan dune. Geomorphology 1996, 17:55-62.
20. Leenders J.K., van Boxel J.H., Sterk G. Wind forces and related saltation transport. Geomorphology 2005, 71:357-372.
21. Livingstone I., Wiggs G.F.S., Weaver C.M. Geomorphology of desert sand dunes: a review of recent progress. Earth Science Reviews 2007, 80:239-257.
22. McKenna-Neuman C., Lancaster N., Nickling W.G. Relations between dune morphology, air flow, and sediment flux on reversing dunes, Silver Peak, Nevada. Sedimentology 1997, 44:1103-1113.
23. McKenna-Neuman C., Lancaster N., Nickling W.G. The effect of unsteady winds on sediment transport on the stoss slope of a transverse dune, Silver Peak, NV, USA. Sedimentology 2000, 47:211-226.
24. Mulligan K.R. Velocity profiles measured on the windward slope of a transverse dune. Earth Surface Processes and Landforms 1988, 13:573-582.
25. Nelson J.M., McLean S.R., Wolfe S.R. Mean flow and turbulence fields over two-dimensional bed forms. Water Resources Research 1993, 29:3935-3953.
26. Nickling W.G., Gillies J.A. Emission of fine grained particulates from desert soils. Palaeoclimatology and Palaeometeorology: Modern and Past Patterns of Global Atmospheric Transport 1989, 133-165. Kluwer Academic Publishers, Dordrecht. M. Leinen, M. Sarnthein (Eds.).
27. Nickling W.G., McKenna-Neuman C. Wind tunnel evaluation of a wedge-shaped aeolian sediment trap. Geomorphology 1997, 18:333-345.
28. Nickling W.G., Mckenna-Neuman C. Recent investigations of airflow and sediment transport over desert dunes. Sediments and Landforms 1999, 15-47. John Wiley & Sons, Chichester. A.S. Goudie, I. Livingstone, S. Stokes (Eds.).
29. Parsons D.R., Wiggs G.F.S., Walker I.J., Ferguson R.I., Garvey B.G. Numerical modelling of airflow over an idealised transverse dune. Environmental Modelling and Software 2004, 19:153-162.
30. Rasmussen K.R., Sørensen M., Willetts B.B. Measurement of saltation and wind strength of beaches. Proceedings of International Workshop on Physics of Blown Sand, Memoirs 1985, 8. Department of Theoretical Statistics, Aarhus University, Denmark.
31. Roy A.G., Biron P., De Serres B. On the necessity of applying a rotation to instantaneous velocity measurements in river flows. Earth Surface Processes and Landforms 1996, 21:817-827.
32. Schönfeldt H.J., von Löwis S. Turbulence-driven saltation in the atmospheric surface layer. Meteorologische Zeitschrift 2003, 12:257-268.
33. Shiau B.S., Hsu S.C. Measurement of the Reynolds stress structure and turbulence characteristics of the wind above a two-dimensional trapezoidal shape of hill. Journal of Wind Engineering and Industrial Aerodynamics 2003, 91:1237-1251.
34. Sterk G., Jacobs A.F.G., van Boxel J.H. The effect of turbulent flow structures on saltation sand transport in the atmospheric boundary layer. Earth Surface Processes and Landforms 1998, 23:877-887.
35. Stout J.E. Effect of averaging time on the apparent threshold for aeolian transport. Journal of Arid Environments 1998, 39:395-401.
36. Stull R.B. An Introduction to Boundary Layer Meteorology 1988, Kluwer Academic, The Netherlands.
37. Teunissen H.W., Shokr M.E., Bowen A.J., Wood C.J., Green D.W.R. The Askervein Hill Project: wind-tunnel simulations at three length scales. Boundary-Layer Meteorology 1987, 40:1-29.
38. Thorne P.D., Williams J.J., Heathershaw A.D. In situ acoustic measurements of marine gravel threshold and transport. Sedimentology 1989, 36:61-74.
39. Tsoar H. Profile analysis of sand dunes and their steady state significance. Geografiska Annaler 1985, 67:47-59.
40. Tsoar H., Blumberg D.G. Formation of parabolic dunes from barchan and transverse dunes along Israel's Mediterranean coast. Earth Surface Processes and Landforms 2002, 27:1147-1161.
41. van Boxel J.H., Sterk G., Arens S.M. Sonic anemometers in aeolian sediment transport research. Geomorphology 2004, 59:131-147.
42. Walker I.J. Physical and logistical considerations of using ultrasonic anemometry in aeolian sediment transport research. Geomorphology 2005, 68:57-76.
43. Walker I.J., Nickling W.G. Dynamics of secondary airflow and sediment transport over and in the lee of transverse dunes. Progress in Physical Geography 2002, 26:47-75.
44. Walker I.J., Nickling W.G. Simulation and measurement of surface shear stress over isolated and closely spaced transverse dunes in a wind tunnel. Earth Surface Processes and Landforms 2003, 28:1111-1124.
45. Watson A. Discussion: variation in wind velocity and sand transport on the windward flanks of desert sand dunes. Sedimentology 1987, 34:511-520.
46. Wiggs G.F.S. Desert dune dynamics and the evaluation of shear velocity: an integrated approach. Geological Society Special Publication 1993, 72:37-46. K. Pye (Ed.).
47. Wiggs G.F.S. Desert dune processes and dynamics. Progress in Physical Geography 2001, 25:53-79.
48. Wiggs G.F.S., Livingstone I., Warren A. The role of streamline curvature in sand dune dynamics: evidence from field and wind tunnel measurements. Geomorphology 1996, 17:29-46.
49. Zeman O., Jensen N.O. Modifications of turbulence characteristics in flow over hills. Quarterly Journal Royal Meteorological Society 1987, 113:55-80.