Dam of Foum El-Gherza
\_____
HO does not know the adage: ...Wàter
oases
of
Sidi Okba perimeter were literally
‘Â ; for Sidi Okba. ..!
ravaged.
In the past, this invocation materialized
The dam is set at the left—hand shore by a dam—
by a 3—m high dam to irrigate the oasis
weight type abutment. It is made up of a vault
of Sidi Okba. However, in 1927, the construction of
made up of 65m— high blocks. This vault was built
large dam on the El Abiod wadi was decided. ln
with independent arch stones separated with at
1941, the rst geological surveys were actively
vertical construction joints, closed upstream by a
carried out and the dam’s construction started in
copper blade on two adjacent blocks.
194«8. Nevertheless, instead of building a water
_
diversion
aller
a
1 d
aller
wa
d a d
Two bafes Situated along the external slopes, the
g
y,
n
o
g
y
5
use
n
_
.
.
.
right and left—hand shores play the role of return
whose capac1ty is about tens of cubic meters per
_
second.
of the blades by directing them towards the
narrow part of the gorge without hitting the walls.
'
It was in
1950
that the commissioning was
This discharge thus allows the ow of a debit of
effective. El—Abiod
wadi originates from the Aurès
720 cubic meters per
second under a load of 4.35
massif in the area of Arris. This water course is
meters.
formed by the o
Od Of many torrents
coming
from
They even thought. of recovering the energy
the slopes of D3ebel Chéha and DJebel Ichmoul.
_
_
_
produced by the irrigation deb1ts under the fall
The basin lies on a surface of
1300
square
created by the dam. That is how, on the right—hand
kilometers and is made up of two parts approxi—
shore, a hydro—electrical plant was built in an
mately equal:
excavation
made
at
the
hill’s
bottom.
This
,
economically unprotable plant was abandoned.
'
'
A mountainous wooded area from the sources
"
,
until Thighanimine dele (the reeds).
Foum—El—Gherza dam creates a reservoir of 47
'
‘
million cubic meters, which allows the irrigation of
.
A desert slop e area, With no vegetal cover 1ying
palm trees in Sidi Okba, Garta, Sériana and
on Thighanimine until Foum—El—Gherza.
Thouda whose fruit quality is unique in the World.
Precipitations are characterized by their violence
In fact, Sidi Okba palm grove
alone has 130 000
and brevity. Averages vary particularly according
palm—trees producing “Deglet Nour” that can be
to altitude and reach 462.8 millimeters at Chélia
produced nowhere else.
_
'
station (altitude 1700 meters) whereas at Foum—El—
,
“Give water to Sidi Okba. .a7zd heaven will be €ÿ red
Gherza their average
is about 157.5 millimeters.
to you”.
This pluviometry is reected by oods as violent
_
.
as sudden. Before the construction
of
_
the dam, the
_
4«7
.
—
\_____
HO does not know the adage: ...Wàter
oases
of
Sidi Okba perimeter were literally
‘Â ; for Sidi Okba. ..!
ravaged.
In the past, this invocation materialized
The dam is set at the left—hand shore by a dam—
by a 3—m high dam to irrigate the oasis
weight type abutment. It is made up of a vault
of Sidi Okba. However, in 1927, the construction of
made up of 65m— high blocks. This vault was built
large dam on the El Abiod wadi was decided. ln
with independent arch stones separated with at
1941, the rst geological surveys were actively
vertical construction joints, closed upstream by a
carried out and the dam’s construction started in
copper blade on two adjacent blocks.
194«8. Nevertheless, instead of building a water
_
diversion
aller
a
1 d
aller
wa
d a d
Two bafes Situated along the external slopes, the
g
y,
n
o
g
y
5
use
n
_
.
.
.
right and left—hand shores play the role of return
whose capac1ty is about tens of cubic meters per
_
second.
of the blades by directing them towards the
narrow part of the gorge without hitting the walls.
'
It was in
1950
that the commissioning was
This discharge thus allows the ow of a debit of
effective. El—Abiod
wadi originates from the Aurès
720 cubic meters per
second under a load of 4.35
massif in the area of Arris. This water course is
meters.
formed by the o
Od Of many torrents
coming
from
They even thought. of recovering the energy
the slopes of D3ebel Chéha and DJebel Ichmoul.
_
_
_
produced by the irrigation deb1ts under the fall
The basin lies on a surface of
1300
square
created by the dam. That is how, on the right—hand
kilometers and is made up of two parts approxi—
shore, a hydro—electrical plant was built in an
mately equal:
excavation
made
at
the
hill’s
bottom.
This
,
economically unprotable plant was abandoned.
'
'
A mountainous wooded area from the sources
"
,
until Thighanimine dele (the reeds).
Foum—El—Gherza dam creates a reservoir of 47
'
‘
million cubic meters, which allows the irrigation of
.
A desert slop e area, With no vegetal cover 1ying
palm trees in Sidi Okba, Garta, Sériana and
on Thighanimine until Foum—El—Gherza.
Thouda whose fruit quality is unique in the World.
Precipitations are characterized by their violence
In fact, Sidi Okba palm grove
alone has 130 000
and brevity. Averages vary particularly according
palm—trees producing “Deglet Nour” that can be
to altitude and reach 462.8 millimeters at Chélia
produced nowhere else.
_
'
station (altitude 1700 meters) whereas at Foum—El—
,
“Give water to Sidi Okba. .a7zd heaven will be €ÿ red
Gherza their average
is about 157.5 millimeters.
to you”.
This pluviometry is reected by oods as violent
_
.
as sudden. Before the construction
of
_
the dam, the
_
4«7
.
—