The gentle slope is in the upwind direction. The downwind direction has a steep slope called a slip face.
it is basically a side of the dune known as the slipface
its called a sand dune.
sand dune
a sand dune
Slip face.
The side of a sand dune facing the ocean is called leeward.
Southeast
Southeast
Southeast
The steep face of a mobile sand dune is in the lee of the prevailing wind. Therefore, to climb the steep face you would be going against the prevailing wind.
A sand dune is a desert feature that forms as a result of wind or rain action towards one side. The sand dune usually forms towards the dominant side of the wind direction and can vary in gradient.
DUNE
Slip face.
DUNE
The upwind direction of a sand dune has a gentle slope. A steep slope is on the downwind side. The pronounced slope of a sand dune is called a slip face. Sand erodes from the wind off the slip face. To learn more about sand dunes, visit http://www.tulane.edu/~sanelson/geol111/deserts.htm.
The upwind direction of a sand dune has a gentle slope. A steep slope is on the downwind side. The pronounced slope of a sand dune is called a slip face. Sand erodes from the wind off the slip face. To learn more about sand dunes, visit http://www.tulane.edu/~sanelson/geol111/deserts.htm.