Aeolian Sand Transport Potential and Its …
119
a
b
c
d
e
f
Fig. 12 Sand dune movement threatening in Dakhla Oasis (a) Cultivated land at Gadida (b) Cultivated land at Mut. (c) Former cultivated land at Ezab El-Qasr. (d) Sand-buried irrigated channel at
Ezab El-Qasr. (e) Dakhla-Farafra highway at Mawhub. (f) Sand-buried houses at Mushiya
It is difficult and expensive to controlling of sand dune movement in Dakhla Oasis.
Some attempts were done to stabilize dune in the Dakhla Depression. Fixation using
plants or trees can protect cultivated lands and houses. However, it can be possible
only in the places where freshwater is available. Sand fences are often built in Dakhla
Oasis. These use two horizontal reeds fixed 50 cm apart, and are tied with vertical
palm leaves by ropes. A primitive type of fence are one meter high and can be used
as a temporary method.
In general, the protection against sand dune movements in Dakhla Oasis, as in
many desert regions, is very difficult and expensive. The most economic way of
119
a
b
c
d
e
f
Fig. 12 Sand dune movement threatening in Dakhla Oasis (a) Cultivated land at Gadida (b) Cultivated land at Mut. (c) Former cultivated land at Ezab El-Qasr. (d) Sand-buried irrigated channel at
Ezab El-Qasr. (e) Dakhla-Farafra highway at Mawhub. (f) Sand-buried houses at Mushiya
It is difficult and expensive to controlling of sand dune movement in Dakhla Oasis.
Some attempts were done to stabilize dune in the Dakhla Depression. Fixation using
plants or trees can protect cultivated lands and houses. However, it can be possible
only in the places where freshwater is available. Sand fences are often built in Dakhla
Oasis. These use two horizontal reeds fixed 50 cm apart, and are tied with vertical
palm leaves by ropes. A primitive type of fence are one meter high and can be used
as a temporary method.
In general, the protection against sand dune movements in Dakhla Oasis, as in
many desert regions, is very difficult and expensive. The most economic way of