5, Rheraya 4, Ourika Zat Elevation (m) 3, R'dat N'fiss 2, 1, Issil 2 4 6 8 1, 1,2 1,4 Accumulated Area (km 2 ) Fig. 2.6.2 ELEVATION - AREA CURVES OF RIVER BASINS F-2-14
4 1 ST. SIDI RAHAL 2 ST. TAFERIAT 35 3 ST. TAHANAOUT 4 ST. AGHBALAU 5 ST. IMIN EL HAMMAM 6 ST. IGUIR N'KOURIS 7 ST. ARMED 3 8 ST. TIOURDIOU 1 LALLA TAKERKOUST 25 ALTITUDE (NGM) 2 8 7 15 ZERQTENE SETTI FADMA ASNI 1 TIGHEDOUINE 4 3 MY. BRAHIM 6 1 2 5 5 1 4 8 12 16 DISTANCE (Km) R'dat Zat O'urika Reraya N'fis ISSYL Fig. 2.6.3 PROFILE OF RIVERS F-2-15
(1/S) 14 12 1 8 6 4 Ourika R'dat Zat 2 Rheraya N'fis 5 1 15 2 25 Superficie du bassin (km 2 ) FOR ATLAS REGION IN THE KIGDOM OF MOROCCO Fig. 2.6.4 BASIN GRADIENT OF MAIN TRIBUTARIES F-2-16
St. Sidi Rahal 2 ans PR 534m 3 /s 22:3 R'dat R. 3 27 14 19 R'dat MARRAKECH St.Taferiat PR 1 ans * 4m 3 s 11 22 37 2982? Zat 7? 1? N9 Rheraya 2 142 3?? 9? Ourika St. Aghbalou PR 3 ans 13 m 3/s St. Tahannaout Plus de 1 ans 68 m 3 /s 19:3 PR N'fis by debris by flood St. Imin El Hamam 5 ans Zat R. Asni 51m 3 /s 19: PR 2 Vehicule were damaged Ouirgane by flood 75 Vehicule were by debris damaged N'fis R R. ATLAS RANGE 4 cars wash away Legend C= Casualty (Number) B= Building (Number) A= Agricultural Area (1ha) L= Livestock (head) River Basin Station Name Probability Peak Discharge Peak Time Inundation Area River Basin Debris River Location of Casualties Town? Unknown Hydrometric Station Interruption of the road * = Reffé f rence to "Crues survenues ût 1995 dans la Province d'al Haouz" Fig. 2.7.1 (1/3) FLOOD MAP (17-18/8/1995 FLOOD) F-2-17
N P 24 (N 8) P 24 (N 8) Dr: LAMMHADIA 7 Dr: BAATARY SIDI AZOUZ AZIB SFIANI Dr: GZOULA Legend Dr: JDID Dr: EL MERS Dr: DAR EL BACHA BEN AKIL Inundation Area P 212 P 31 (N9) Dr: TRAB EL MEAADAN Dr: DAR JAMOUA Dr: GRAOUA Dr: OLD EL GUARNE Road Submerge Road P 31 (N9) Dr: LAHNA Dr: ABICHAT Dr: N'ZALA Dr: TALBARRAT Dr: HAMMOU BEN SALI Dr: AIT BOUCETTA BEN AMMAR Dr: EL GUASSEME Dr: TOUGGANA Dr: ZEMRANE Dr: OLD BELKACEM CHEIK RAHAL BEN ALI Dr: SIDI MOUSSA Dr: EL HARAKAT Dr: SRAGHNA Tassoltante Chaâba El Brdil Issil River Dr: My CHERIF Dr: My ABBAS Chaâba Arbi Ben Rahal P 212 S51 (P23) Dr: GARBA Dr: AKHACHANE Dr: BEN KHADIR Dr: AIT BELAID Dr: CHAABA Tributary Dr: EL AKKARI Scale 1 2 3 Km Fig. 2.7.1 (2/3) FLOOD MAP (27-31/3, 5-8/4, 1997 FLOOD) F-2-18
St. Sidi Rahhal Prob. 3 y 252 m 3 /s? R'dat R. Zerkten???? R'dat MARRAKECH St.Taferiat Prob. 2 y 14 m 3 s 2:???? Zat???? 2 69? N9 Rheraya Ourika? 1? St. Aghbalou Prob. 12 y St. Tahannaout y ans N'fis Arba' Tighedouine 438 m 3 /s 476 m 3/s 15:3? Prob. Zat R. Asni St. N'kouris 25 ans Iraghf Prob. 97 m 3 /s 9:3 Rheraya R. by debris Imlil Oued N'fis ATLAS A RANGE Legend C= Casualty (Number) B= Building (Number) A= Agricultural Area (1ha) L= Livestock (head) River Basin Inundation Area River Basin River Town Station Name Probability Peak discharge Debris Location of Casualties Peak Time? Unknown = Refference to the data from DGH * = Reference to "crues survenues Hydrometric Station le 17 aoû t 1995 dans la Province d'al Haouz" Interruption of the road Fig. 2.7.1 (3/3) FLOOD MAP (28/1/ 1999 FLOOD) F-2-19
12 1 8 Débit (m 3 /s) 6 4 2 Heure Aghbalou Tahannaout Imin El Hammam Taferiat Sidi Rahal Fig.2.7.2 HYDROGRAPH OF REPRESENTATIVE STATIONS (CRUE DE 1995) F-2-2
Discharge (m 3 /s) 85 8 75 7 65 6 55 5 45 4 35 3 25 2 15 1 5 26 12: 27 : 27 12: 28 : 28 12: 29 : 29 12: 3 : 3 12: Day Hour Aghbalou B1 Aghbalou B3 Tazitount Tiourdiou B1 4. 35. 3. Discharge (m 3 /s) 25. 2. 15. 1. 5.. 26 12: 27 : 27 12: 28 : 28 12: 29 : 29 12: 3 : 3 12: Day Hour Tourcht B1 Tourcht B2 FOR THE ATLAS REGION IN THE KINGDOM OF MOROCCO Fig. 2.7.3 HYDROGRPH OF REPRESENTATIVE STATIONS (1999 FLOOD) F-2-21