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- Title
Form—flow interactions of an aeolian saucer blowout.
- Authors
Hugenholtz, Chris H.; Wolfe, Stephen A.
- Abstract
The article presents a study on the airflow dynamics of an aeolian saucer blowout for better knowing the form-flow interactions and morphodynamics in the Bigstick Sand Hills of Saskatchewan, Canada. The study reveals the expansion and deceleration of airflow that passes over the saucer blowout's windward rim which contributes to flow separation and a minor re-circulation area on sheltered lee slopes. It shows that saucer blowout airflow patterns including oblique winds and axis-parallel winds presents significant contributions in the development and sand transport. It notes that wind tunnel experimentation, computer simulations and fieldwork on wind speed and direction are needed to understand the impacts of form-flow interactions on the morphodynamics and sand transport forms of blowouts.
- Subjects
SASKATCHEWAN; CANADA; SAND dunes; GEOMORPHOLOGICAL research; LANDFORMS; AIR flow; EOLIAN processes; WIND erosion; WIND tunnel testing; COMPUTER simulation
- Publication
Earth Surface Processes & Landforms, 2009, Vol 34, Issue 7, p919
- ISSN
0197-9337
- Publication type
Article
- DOI
10.1002/esp.1776