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Spatiotemporal model for the progression of sand blowouts Hezi Yizhaq1
 

Summary: epl draft
Spatiotemporal model for the progression of sand blowouts
Hezi Yizhaq1
, Yosef Ashkenazy1
, Noam Levin2
and Haim Tsoar3
1
Solar energy and Environmental Physics, BIDR, Ben-Gurion University, 84990 Israel
2
Department of Geography, The Hebrew University, Israel
3
Department of Geography, Ben-Gurion University, Beer-Sheva 84105, Israel
PACS 45.70.-n Granular systems
PACS 92.40.Gc Erosion and sedimentation; sediment transport
PACS 92.60.Gn Winds and their effects
Abstract Sand blowouts (surrounded by vegetation) exist in many coasts. In some regions,
small blowouts shrink while large ones grow, although both experience the same climatic condi-
tions. We propose a mathematical model for the spatiotemporal dynamics of vegetation cover on
sand dunes and focus on the dynamics of sand blowouts (and transgressive dunefields). Among
other possibilities, the model predicts blowout growth parallel to the wind with shrinkage perpen-

  

Source: Ashkenazy, Yossi "Yosef" - Department of Solar Energy and Environmental Physics, Jacob Blaustein Institutes for Desert Research,Ben-Gurion University of the Negev

 

Collections: Physics; Environmental Management and Restoration Technologies