I C N D F DRHT Outline of Pilot Project (Draft)
Transcript of I C N D F DRHT Outline of Pilot Project (Draft)
W
arnin
g W
arnin
g
(by V
isit
ing S
ite)
(by V
isit
ing S
ite)
(by F
ace
to F
ace)
(by F
ace
to F
ace)
Flo
od I
nfo
rmat
ion
Flo
od I
nfo
rmat
ion
(BL
U o
r V
HF
by
(BL
U o
r V
HF
by
Voic
e C
om
munic
atio
n)
Voic
e C
om
munic
atio
n)
F
lood I
nfo
rmat
ion
F
lood I
nfo
rmat
ion
(Tel
. by V
oic
e C
om
munic
atio
n)
(Tel
. by V
oic
e C
om
munic
atio
n)
W
arnin
g W
arnin
g
(by R
adio
, T
el. or
Fax
)(b
y R
adio
, T
el. or
Fax
)
W
arnin
g W
arnin
g
(by R
adio
, T
el. or
Fax
)(b
y R
adio
, T
el. or
Fax
)
[Met
eo-h
ydro
logic
al O
bse
rbat
ion]
(Man
ual
Obse
rvat
ion)
Sta
tio
n o
f D
RH
T
[Dat
a C
oll
ecti
on]
[Iss
uan
ce o
f W
arnin
g]
(No G
uid
elin
e at
Pre
sent)
(No G
uid
elin
e at
Pre
sent)
[Exec
uti
on o
f E
vac
uat
ion]
[Dis
sem
inat
ion
of
War
nin
g]
[Dis
sem
inat
ion
of
War
nin
g]
DR
HT
Lo
cal A
uth
ori
ty
Pro
vin
cial
Off
ice
Lo
cal A
uth
ori
ty
Lo
cal
Inh
ab
ita
nts
Lo
cal
Inh
ab
ita
ntsDP
E
[Act
ion
]
[Act
ion
]
Sh
ari
ng o
f
Flo
od
In
form
ati
on
Th
rou
gh
Com
pu
ter
Net
work
Sta
tion
of
DR
HT
DR
HT
Pro
vin
cial
Off
ice
Loca
l In
hab
itan
ts
[Met
eo-h
yd
rolo
gic
al O
bse
rvat
ion
]
[Auto
mat
ic D
ata
Coll
ecti
on,
An
aly
sis,
Fo
reca
stin
g]
[Iss
uan
ce o
f W
arn
ing
]
[Ex
ecu
tio
n o
f E
vac
uat
ion
]
Flo
od I
nfo
rmat
ion
Flo
od I
nfo
rmat
ion
(by T
elem
eter
ing S
yst
em)
(by
Tel
emet
erin
g S
yst
em)
(by G
uid
elin
e)
(by G
uid
elin
e)
F
lood N
oti
ce /
Info
rmat
ion
F
lood N
oti
ce /
Info
rmat
ion
(b
y D
ial-
up C
onnec
tion)
(b
y D
ial-
up C
onnec
tion)
[Dis
sem
inat
ion
of
War
nin
g]
Loca
l A
uth
ori
ty
War
nin
gW
arnin
g
(by R
adio
, T
el /
Fax
)(b
y R
adio
, T
el /
Fax
)W
arnin
gW
arnin
g
(by R
adio
)(b
y R
adio
)
DP
E
Loca
l In
hab
itan
ts
(by S
iren
or
Spea
ker
)(b
y S
iren
or
Spea
ker
)
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Ou
tlin
e of
Pil
ot
Pro
ject
(D
raft
)O
utl
ine
of
Pre
sen
t S
yst
em
Fig. 6.1.1 OUTLINE OF PILOT PROJECT
F
lood N
oti
ce /
Info
rmat
ion
F
lood N
oti
ce /
Info
rmat
ion
(
by D
ial-
up C
onnec
tion)
(
by D
ial-
up C
onnec
tion)
F-6-1
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 6.2.1 COMPARISON OF MASTER PLAN AND PILOT PROJECT IN NUMBER OF STATIONS AND WARNING POSTS IN OURIKA RIVER BASIN
Tarzaza
Ourika
Oufra Tifni
0 5 10 km
Master Plan
Tarzaza
Ourika
Oufra Tifni
0 5 10 km
Pilot Project
Flood Watch Station(Rain gauge)
Flood Watch Station (Rain& Water Level gauges)
Warning Post
Legend
F-6-2
F-6-3
Monitoring
Sta
tion
Monitoring
Sta
tion
Monitoring
Sta
tion
Monitoring
Sta
tion
AR
HT M
arra
kech
Mas
ter
Info
rmat
ion
Cente
r
Ultra
sonic
Wat
er
Leve
l G
auge Ultra
sonic
Wat
er
Leve
l G
auge
Ultra
sonic
Wat
er
Leve
l G
auge
Rai
n/w
ater
leve
lG
augi
ng
Rai
n/w
ater
leve
lG
augi
ng
Rai
n/w
ater
leve
lG
augi
ng
Rai
n fal
lG
augi
ng
Rai
n F
all
Gau
ging
Repe
ater
Equ
ipm
ent
Repe
ater
Equ
ipm
ent
War
nin
gP
ost
Tourc
ht
Flo
od
Wat
ch S
tation
Am
enza
l Flo
od
Wat
ch S
tation
Tio
urd
iou F
lood
Wat
ch S
tation
Ago
uns
Flo
od
Wat
ch S
tation
Taz
zito
unt
Flo
od
Wat
ch S
tation
Short
Dis
tance
Dat
a Tra
nsc
eiv
er
Short
Dis
tance
Dat
a Tra
nsc
eiv
er
Aoulo
uss
Repe
ater
Sta
tion
Adr
ar T
azai
na
Repe
ater
Sta
tion
Public
Tele
phone L
ine
DG
H R
abat
DP
E A
l H
auz
Al H
auz
Pro
vincia
l O
ffic
e
Ourika
Cai
dat
Irag
fh
Pro
vincia
l V
HF R
adio
Netw
ork
Note
: G
ray
colo
r is
Phas
e-II
Equ
ipm
ent
VH
FR
adio
Unit
VH
FR
adio
Unit
Sola
r P
anel
Tip
ping
Bucke
tR
ain G
auge
Sola
r P
anel
VH
F 7
0M
Hz
Rad
io e
quip
ment
was
inst
alle
d a
t al
l Flo
od
Wat
ch S
tations
by
Phas
e-II
Fig.6.3.1 CONCEPTUAL SYSTEM DIAGRAM OF PILOT PROJECT
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
F-6-4
Switching Hub
ABHT
Mar
rake
ch O
ffice
Rem
ote
Acce
ssSe
rver
BF :M
aste
r Inf
orm
atio
n Ce
nter
15"T
FT
Keyb
oard
/M
ouse
Dat
a Pr
oces
s Se
rver
UPS
Leas
er B
eam
Prin
ter
Ink j
et P
rinte
r
Clie
nt P
C
Keyb
oard
/M
ouse
AC 2
20V
Con
sole
Switc
hing
Box
Con
cent
rato
r
AC 2
20V
Publ
ic T
elep
hone
Net
work
UPS
AC 2
20V
NTP
Ser
ver
GPS
Rec
eive
r
GPS
Ante
nna
Data
Pro
cess
Equi
pmen
t
LAN
: 10
/100
BASE
-T
Public Telephone Network
VH
F R
adio
Uni
t
Te
lem
etry
Supe
rvis
ory &
Con
trol
Equi
pmen
t
Com
mun
icat
ion
Con
trol U
nit
Wal
l han
ging
type
encl
ose
cabi
net
DC
Pow
erSu
pply
Uni
tTe
lem
etry
cont
rol
PC
Coa
xial
Arre
ster
Isol
atio
nTr
ansf
orm
er
2-el
emen
t Yag
iAn
tenn
a
Panz
er M
ast
(R21
6)
Gro
undi
ng R
ods
Ligh
tnin
g R
od
Gro
undi
ng P
late
Hei
ght 1
5m
UPS
17"
CR
T
Phas
e - I
Equ
ipm
ent
Phas
e - I
I Equ
ipm
ent
Fig.6.3.2 BLOCK DIAGRAM FOR TELEMETRY
SUPERVISORY & CONTROL AND
DATA PROCESSING EQUIPMENT
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
F-6-5
Rai
nG
auge
Pul
se
VH
F R
adio
Uni
tS
olar
Pan
elD
istri
butio
n B
oard
Bat
tery
150A
H
12V
DC
77.9
WS
olar
Pan
el
Rem
ote
Term
inal
Uni
t
2-el
emen
tY
agi
Ant
enna
R26
Pan
za M
ast
(S
ite S
uppl
y H
eigh
t7.
4m)
Gro
undi
ngP
late
Gro
undi
ngR
ods
CoaxialArrester
Phas
e - I
Equ
ipm
ent
Phas
e - I
I Equ
ipm
ent
Fig.6.3.3(1/3) BLOCK DIAGRAM FOR FLOOD
WATCH STATION (RAINFALL
STATION: AGOUNS AND
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
F-6-6
CoaxialArrester
Rai
nG
auge
Pul
se
Sol
ar P
anel
Dis
tribu
tion
Boa
rd
Bat
tery
150A
H
12V
DC
109W
Sol
ar P
anel
12V
DC
Dat
aR
ecei
ver
BC
D
Rec
eivin
gA
nten
na
VH
F R
adio
Uni
t
Rem
ote
Term
inal
Uni
t
R26
Pan
zer M
ast
(Site
Sup
ply)
2-el
emen
tY
agi
Ant
enna
Gro
undi
ngP
late
12V
DC
Gro
undi
ngR
ods
Pha
se -
I Equ
ipm
ent
Pha
se -
II E
quip
men
t
Fig.6.3.3(2/3) BLOCK DIAGRAM FOR FLOOD WATCH
STATION (RAINFALL AND WATER LEVEL
STATION: AMENZAL AND TIOURDIOU,
STATION SIDE)
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
F-6-7
Coder
for Ultrasonic
Water Level
Gauge
Power
Distribution
Board
Battery
300AH
for 7 days
autonomy
12VDC
163.5W
Solar Panel
BCD
Antenna
Air
Temperature
Sensor
w/ Natural Draft
SIO/BCD
Converter
Serial
Pt100
Ultrasonic
Transceiver
Transmit every 5 minute
M ax. 13.5m
Transmitte
r(10mW)
Phase-I Equipment
Fig.6.3.3 (3/4) BLOCK DIAGRAM FOR FLOOD WATCH STATION (RAINFALL AND WATER
LEVEL STATION: AMENZAL AND TIOURDIOU, RIVER SIDE)
THE MASTER PLAN STUDY ON FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
F-6-8
Rai
nG
auge
Pul
se
Sol
ar P
anel
Dis
tribu
tion
Boa
rd
Bat
tery
600A
H
12V
DC
327W
Sol
ar P
anel
12V
DC
Ultr
ason
icTr
ansc
eive
r
Max. 13.5m
Cod
er
Air
Tem
pera
ture
Sen
sor
SIO
/BC
DC
ode
Con
verte
r
CoaxialArrester
VH
F R
adio
Uni
t
Tele
met
ry E
quip
men
t
Rem
ote
Term
inal
Uni
t
Gro
undi
ngR
ods
R26
Pan
za M
ast
(Site
Sup
ply)
2-el
emen
tY
agi
Ant
enna
Gro
undi
ngP
late
Pha
se -
I Equ
ipm
ent
Pha
se -
II E
quip
men
t
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig.6.3.3(4/4) BLOCK DIAGRAM FOR FLOOD WATCH
STATION (RAINFALL AND WATER LEVEL
STATION: TAZZITOUNT)
F-6-9
VH
F R
adio
Uni
t
3-el
emen
tY
agi A
nten
na
R26
Pan
zer M
ast
Gro
undi
ngP
late
Gro
undi
ngR
ods
CoaxialArrester
DC
Pow
erS
uppl
yU
nit
DC
12V
/10
A
Bat
tery
DC
12V
/12
0AH
DC
12V
Sire
n In
terfa
ce U
nit
Ele
ctric
Sire
n U
nit
5-to
ne U
nit
War
ning
Am
plifi
erU
nit
Isol
atio
nTr
ansf
orm
erA
C22
0V
Loud
Spe
aker
Pha
se -
I Equ
ipm
ent
Pha
se -
II E
quip
men
t
Fig.6.3.4(1/3) BLOCK DIAGRAM FOR
WARNING SYSTEM
(IRAGHF WARNING POST)
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
F-6-10
3-el
emen
tY
agi
Ant
enna
R21
6 P
anze
r Mas
t(H
eigh
t 18m
)
Gro
undi
ngP
late
Gro
undi
ngR
ods
CoaxialArrester
Bat
tery
12V
/12
0AH
Bat
tery
Cha
rger
12V
/10A
AC
220V
Exi
stin
g R
adio
Roo
m
VH
F R
adio
Uni
t5-
Tone
Uni
t
Clie
nt P
C
UPS
Inkje
tPr
inte
r
Mod
emTe
leph
one
Line
Exi
stin
g M
onito
ring
Equ
ipm
ent
Sire
n In
terfa
ce u
nit
Sire
n un
it
Pha
se -
I Equ
ipm
ent
Pha
se -
II E
quip
men
t
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig.6.3.4(2/3) BLOCK DIAGRAM FOR WARNING SYSTEM (OURIKA CAIDAT)
F-6-11
3-el
emen
tY
agi
Ant
enna
VH
F R
adio
Uni
t
Gro
undi
ngR
ods
CoaxialArrester
AC
220V
5-To
neU
nit
Exi
stin
g R
adio
Roo
m
AC
Pow
erS
uppl
y U
nit
Inkje
tPr
inte
rUP
SCl
ient
PC
Mod
emTe
leph
one
Line
Sire
n In
terfa
ce U
nit
Ele
ctric
Sire
n U
nit
Exi
stin
g M
onito
ring
Equ
ipm
ent
Pha
se -
I Equ
ipm
ent
Pha
se -
II E
quip
men
t
Fig.6.3.4(3/3) BLOCK DIAGRAM FOR WARNING SYSTEM (AL HAOUZ PROVINCE)
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Amenzal
TourchtAgouns Tiourdiou
Tazzitount
Tarzaza
Ourika
Oufra
Tifni
Adrar Tazalna
Aoulouss
DRHT Marrakech
THE MASTER PLAN STUDY ONFLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 6.4.1 PROPOSED RADIO NETWORK FOR TELEMETRY SYSTEM FOR PILOT PROJECT PHASE II
F-6-12
Flood Watch Station
Repeater Station
(Master Information Center)
Amenzal
TourchtAgouns Tiourdiou
Tazzitount
Tarzaza
Ourika
Oufra
Tifni
Adrar Tazalna
Aoulouss
DRHT Marrakech
Oukaimedan
THE MASTER PLAN STUDY ONFLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 6.4.2 RESULTS OF RADIO PROPAGATION TEST
F-6-13
Flood Watch Station
Candidate Site ofRepeater Station
Good
Fair
Inapplicable
Radio Propagation Condition by Field Test
(Master Information Center)Note: For some radio paths, the field propagation test was made for two or three cases, changing antenna type and location as shown in Table7.1.3. This figure gives a case of the best result for a path.
Amenzal
TourchtAgouns Tiourdiou
Tazzitount
Tarzaza
Ourika
Oufra
Tifni
Adrar Tazalna
Aoulouss
DRHT Marrakech
Oukaimedan
THE MASTER PLAN STUDY ONFLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 6.4.3 RESULTS OF RADIO CURCUIT CALCULATION
F-6-14
Flood Watch Station
Candidate Site ofRepeater Station
Good
Fair
Inapplicable
Radio Propagation Condition by Calculation
(Master Information Center)
F-6-15
Rec
eivin
gA
nten
na
Sol
ar P
anel
Dis
tribu
tion
Boa
rd
Bat
tery
200A
H
12V
DC
109W
Sol
ar P
anel
Tran
smis
sion
Ant
enna
Rep
eate
rE
quip
men
t
Rad
io U
nit
No.
2R
adio
Uni
tN
o.1
Rep
eate
r Inf
orm
atio
nU
nit
RX
/RX
Filt
er
Rep
eate
r Con
trol U
nit 12
V D
C
CoaxialArrester
Ligh
tnin
gR
odLi
ghtn
ing
Rod
R26
Pan
zer M
ast
(Hei
ght 7
.4m
)
Rad
ial
Gro
undi
ng
CoaxialArrester
R26
Pan
zer M
ast
(Hei
ght 7
.4m
)
Rad
ial G
roun
ding
for
stat
ion
hous
ing
Rad
ial
Gro
undi
ng
Fig.6.4.4(1/2) BLOCK DIAGRAM FOR REPEATER STATION (AOULOUSS)
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
F-6-16
Sol
ar P
anel
Dis
tribu
tion
Boa
rd
Bat
tery
200A
H
12V
DC
109W
Sol
ar P
anel
Tran
smis
sion
Ant
enna
Rep
eate
rE
quip
men
t
Rad
io U
nit
No.
2R
adio
Uni
tN
o.1
Rep
eate
r Inf
orm
atio
nU
nit
RX
/RX
Filt
er
Rep
eate
r Con
trol U
nit 12
V D
C
CoaxialArrester
Ligh
tnin
gR
od
CoaxialArrester
Rad
ial G
roun
ding
for
stat
ion
hous
ing
Rec
eivin
gA
nten
na
Ligh
tnin
gR
od
Ligh
tnin
gR
od
Rad
ial
Gro
undi
ngR
adia
lG
roun
ding
R21
6 P
anze
r Mas
t(H
eigh
t 7.4
m)
Fig.6.4.4(2/2) BLOCK DIAGRAM FOR REPEATER STATION (ADRAR TAZAINA)
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
F-7-3
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.1.3(1/4) EXAMPLES OF GRAPHIC INFORMATION PROVIDED
BY DRHT
F-7-4
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.1.3(2/4) EXAMPLES OF GRAPHIC INFORMATION PROVIDED
BY DRHT
F-7-5
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.1.3(3/4) EXAMPLES OF GRAPHIC INFORMATION PROVIDED
BY DRHT
F-7-6
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.1.3(4/4) EXAMPLES OF GRAPHIC INFORMATION PROVIDED BY DRHT
F-7-7
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.1.4(1/2) EXAMPLE OF SIMULATION RESULTS (COMPARISON)
F-7-8
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.1.4(2/2) EXAMPLE OF SIMULATION RESULTS (FORECAST)
Fig. 7.2.1 FLOW CAPACITY OF OURIKA RIVER AT LEVEL OF ROAD P2017
THE MASTER PLAN STUDY ONFLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
0
200
400
600
800
1000
1200
d.34
d.85
d.13
4
d.18
8
d.23
8
d.26
5
d.28
4
d.30
9
d.33
4
d.35
7
d.37
7
d.40
0
d.41
9
d.44
2
d.47
2
d.51
3
d.54
1
d.56
5
d.58
7
d.61
0
d.63
6
Cross Section Number
Flow
Cap
acity
(m3 /s
)
Flow Capacity 20-year Discharge 10-year Discharge 5-year Discharge 2-year Discharge
0
10
20
30
40
50
60
70
80
90
100
d.34
d.85
d.13
4
d.18
8
d.23
8
d.26
5
d.28
4
d.30
9
d.33
4
d.35
7
d.37
7
d.40
0
d.41
9
d.44
2
d.47
2
d.51
3
d.54
1
d.56
5
d.58
7
d.61
0
d.63
6
Cross Section Number
Riv
er W
idth
(m)
0
1
2
3
4
5
6
7
8
9
10
Rel
ativ
e H
eigh
t of R
out 2
017
to R
iver
Bed
(m)
River Width at Level of Rout 2017 Relative Height of Rout 2017 to River Bed
Tnine Bridge Aghbalou Station
Tazzitount Station
Rout 2017 is inthe river Bed
Setti FadmaIraghf (Oulmes)
Capacity is 160 m3/s, correspondingto 3- year discharge
F-7-9
(m3/s/km2) (m3/s) (m3/s/km2) (m3/s) (m3/s/km2) (m3/s) (m3/s/km2) (m3/s) (m3/s/km2) (m3/s) (m3/s/km2) (m3/s)
Aghbalau Station 495 3.33 1,650 2.42 1,200 1.52 750 0.99 490 0.61 300 0.23 115
Before confluencewith Tarzaza R. 390 3.73 1,460 2.71 1,060 1.70 660 1.10 430 0.68 260 0.26 105
Before confluencewith Tighzit R. 365 3.85 1,400 2.80 1,020 1.75 640 1.14 420 0.70 260 0.27 100
Tazzitount Station 347 3.94 1,370 2.86 990 1.79 620 1.16 400 0.72 250 0.28 95
Before confluencewith Wigrane R. 266 4.44 1,180 3.23 860 2.02 540 1.31 350 0.81 220 0.31 80
Setti Fadma 223 4.80 1,070 3.48 780 2.18 490 1.42 320 0.87 190 0.34 70
Tiourdiou Station 134 5.93 790 4.31 580 2.70 360 1.75 240 1.08 140 0.42 60
Amenzal Station 49 8.58 420 6.24 310 3.91 190 2.54 120 1.56 75 0.60 30
Note: The probable discharges at Aghbalau Station were estimated by DRHT using observed data.
Estimation of Probable Discharge by Retuen Period
10 years 5 years 2 yearsLocation
CatchmentArea (km2)
100 years 50 years 20 years
Creager's Curves
0
2
4
6
8
10
12
0 100 200 300 400 500 600
Catchment Area (km2)
Spec
ific
Dis
char
ge(m
3/s/
km2)
100 years (C=12.72)50 years (C=9.24)20 years (C=5.79)10 years (C=3.76)5 years (C=2.31)2 years (C=0.89)
q = 1.303 x C x (A/2.59)^(0.894x(A/2.59)^(-0.048) - 1) where q: Specific Discharge (m3/s/km2) C: Coefficient (determined based on observed discharges at Aghbalau Station). A: Catchment Area (Km2)
Aghbalau Station
THE MASTER PLAN STUDY ONFLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.2.2 ESTIMATION OF PROBABLE DISCHARGES BY USING CREAGER'S CURVES
F-7-10
Rating Curve at Amenzal (August 30, 2001)
9
10
11
12
13
14
0 50 100 150 200 250 300 350 400 450 500
Discharge (m3/s)
Wat
er L
evel
(m)
Rating Curve at Tiourdiou (September 2, 2001)
2
3
4
5
6
7
0 100 200 300 400 500 600 700 800Discharge (m3/s)
Wat
er L
evel
(m)
Alert Level : 405 cm
Rating Curve at Tazzitount (November 7, 2000)
3
4
5
6
7
8
0 100 200 300 400 500 600 700 800 900 1,000
Discharge (m3/s)
Wat
er L
evel
(m)
THE MASTER PLAN STUDY ONFLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.2.3 RATING CURVES AND ALERT LEVELS AT 3 STATIONS
F-7-11
Alert Level : 450 cm
Pre-alert Level : 365 cm
Pre-alert Level : 340 cm
Alert Level : 1,150 cm
Pre-alert Level : 1,085 cm
Cross Section Profile at Tiourdiou (2 Sep. '01)
2
4
6
8
10
0 10 20 30 40 50 60Distance (m)
Elev
ation
(m)
Cross Section Profile at Tazzitount (7 Nov. '00)
2
4
6
8
10
12
0 10 20 30 40 50 60 70Distance (m)
Elev
ation
(m)
Alert Level (4.50m)Pre-alert Level (3.65m)
Alert Level (4.05m)Pre-alert Level (3.40m)
Cross Section Profile at Amenzal (30 Aug. '01)
10
12
14
16
18
20
0 10 20 30 40 50 60Distance (m)
Elev
ation
(m)
Alert Level (11.50m)Pre-alert Level (10.85m)
F-7-12
THE MASTER PLAN STUDY ONFLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.2.4 CROSS SECTION PROFILE AND ALERT WATER LEVELS AT 3 STATIONS
Obs
erve
d Fl
ood
Hyd
regr
aphs
at A
ghba
lau
0
100
200
300
400
500
600
700
800
900
1,000
1,100
1,200
03
69
1215
1821
24
Hour
s
Duscharge (m3/s)8-
9 Sep
. '79
11 F
eb. '8
726
Sep
. - 2
Nov.
'8714
Jul. '
8910
Mar
. '90
14 S
ep. '9
05-
7 Dec
. '91
1 Aug
. '92
17 A
ug. '9
528
Oct.
'99
THE MASTER PLAN STUDY ON FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.2.5 RISING FLOOD HYDROGRAPHS OBSERVED AT AGHBALOU STATION
F-7-13
F-7-14
MINISTRY OF EQUIPMENT
DIRECTION GENERALE DE L’HYDROULIQUE
DIRECTION DE LA REGIONAL HYDRAULIQUE DE TENSIFT
PRE RIVER FLOOD NOTICE
NO. 23/01
Announced at 15:20, Friday, 21 December 2001
Please be informed that rainfall at Tiourdiou Station reached Pre-alert Level and that the flood is further developing in the Ourika River Basin.
A) RAINFALL
15:00 – 15:20
21/12/01
14:00-15:00
21/12/01
Pre-alert Level Alert Level Station Accumulated
Rainfall
10 min Rainfall 1 hour Rainfall 10 min 1 hour 10 min 1 hour
Agouns 9 1 4 2 5 6 20 Amenzal 23 0 3 2 5 6 20 Tiourdiou 20 3 5 2 5 6 20 Tourcht 12 1 2 2 5 6 20 Tazzitount 11 1 3 2 5 6 20
B) WATER LEVEL AND DISCHARGE
15:20 21/12/01 Pre-alert Level Alert Level Station
Water Level (cm)
Discharge (m3/s)
Water Level (cm)
Discharge (m3/s)
Water Level (cm)
Discharge (m3/s)
Amenzal 1,080 6 1,085 13 1,150 50 Tiourdiou 352 36 340 25 405 100 Tazzitount 330 12 365 40 450 160
Destinations:
DPE Al Haouz
Al Haouz Province
DGH
DMN Marrakech
THE MASTER PLAN STUDY ON FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.2.6(1/3) FAX FORM OF FLOOD NOTICE (PRE RIVER FLOOD NOTICE)
F-7-15
MINISTRY OF EQUIPMENT
DIRECTION GENERALE DE L’HYDROULIQUE
DIRECTION DE LA REGIONAL HYDRAULIQUE DE TENSIFT
RIVER FLOOD NOTICE
NO. 24/01
Announced at 18:35, Friday, 21 December 2001
Please be informed that water level at Tazzitount Station exceeded Alert Level and that the flood is further developing to cause inundation along Ourika River.
A) RAINFALL
18:20 – 18:30
21/12/01
17:00-18:00
21/12/01
Pre-alert Level Alert Level Station Accumulated
Rainfall
10 min Rainfall 1 hour Rainfall 10 min 1 hour 10 min 1 hour
Agouns 26 5 14 2 5 6 20 Amenzal 78 4 13 2 5 6 20 Tiourdiou 80 3 8 2 5 6 20 Tourcht 76 4 12 2 5 6 20 Tazzitount 111 3 19 2 5 6 20
B) WATER LEVEL AND DISCHARGE
18:30 21/12/01 Pre-alert Level Alert Level Station
Water Level (cm)
Discharge (m3/s)
Water Level (cm)
Discharge (m3/s)
Water Level (cm)
Discharge (m3/s)
Amenzal 1,120 43 1,085 13 1,150 50 Tiourdiou 399 85 340 25 405 100 Tazzitount 480 200 365 40 450 160
Destinations:
DPE Al Haouz
Al Haouz Province
DGH
DMN Marrakech
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.2.6(2/3) FAX FORM OF FLOOD NOTICE (RIVER FLOOD NOTICE)
F-7-16
MINISTRY OF EQUIPMENT
DIRECTION GENERALE DE L’HYDROULIQUE
DIRECTION DE LA REGIONAL HYDRAULIQUE DE TENSIFT
CANCELLATION OF PRE-RIVER AND/OR RIVER FLOOD NOTICE
NO. 25/01
Announced at 22:10, Friday 21, December 2001
Please be informed that rainfall and water level at all the stations in Ourika River Basin has gone down under Pre-alert Level and the river has returned to normal conditions.
A) RAINFALL
22:00 -22:10
21/12/01
21:00-22:00
21/12/01
Pre-alert Level Alert Level Station Accumulated
Rainfall
10 min Rainfall 1 hour Rainfall 10 min 1 hour 10 min 1 hour
Agouns 34 0 1 2 5 6 20 Amenzal 50 0 0 2 5 6 20 Tiourdiou 43 0 2 2 5 6 20 Tourcht 47 0 0 2 5 6 20 Tazzitount 43 0 0 2 5 6 20
B) WATER LEVEL AND DISCHARGE
22:10 21/12/01 Pre-alert Level Alert Level Station
Water Level (cm)
Discharge (m3/s)
Water Level (cm)
Discharge (m3/s)
Water Level (cm)
Discharge (m3/s)
Amenzal 1,070 9 1,085 13 1,150 50 Tiourdiou 320 16 340 25 405 100 Tazzitount 360 37 365 40 450 160
Destinations:
DPE Al Haouz
Al Haouz Province
DGH
DMN Marrakech
THE MASTER PLAN STUDY ON FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.2.6(3/3) FAX FORM OF FLOOD NOTICE (CANCELLATION)
F-7-17
AL HAOUZ PROVINCE
RIVER FLOOD CAUTION
NO. 23/01
Issued at 15:30, Friday, 21 December 2001
Please be informed that heavy rainfall and/or water level rising are being observed in the Ourika River Basin. You are advised to get prepared against further development of the flood.
Destinations:
Royal Mounted Police Civil Protection Tahanaout Cercle
THE MASTER PLAN STUDY ON FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.2.7(1/3) FAX FORM OF FLOOD WARNING (RIVER FLOOD
( CAUTION)
F-7-18
AL HAOUZ PROVINCE
EVACUATION ADVICE
NO. 24/01
Issued at 18:40, Friday, 21 December 2001
Please be informed that the flood is further developing into a dangerous level in the Ourika River Basin. Those who are in and near the river are advised to evacuate yourself to safer places.
Destinations:
Royal Mounted Police Civil Protection Tahanaout Cercle
THE MASTER PLAN STUDY ON
FLOOD FORECASTING AND WARNING SYSTEM FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.2.7(2/3) FAX FORM OF FLOOD WARNING (EVACUATION ADVICE)
F-7-19
AL HAOUZ PROVINCE
CANCELLATION OF FLOOD WARNING(S)
NO. 25/01
Issued at 22:20, Friday, 21 December 2001
Please be informed that the flood risk has passed and the river has returned to normal conditions in the Ourika River Basin.
Destinations:
Royal Mounted Police Civil Protection Tahanaout Cercle
THE MASTER PLAN STUDY ON FLOOD FORECASTING AND WARNING SYSTEM
FOR ATLAS REGION IN THE KINGDOM OF MOROCCO
Fig. 7.2.7(3/3) FAX FORM OF FLOOD WARNING (CANCELLATION)