relisation of a umt on douala: feasability and prospects by rodrigue aimé feumba, fotsing, kandé...
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RELISATION OF A UMT ON DOUALA: FEASABILITY AND PROSPECTS
By Rodrigue Aimé Feumba, Fotsing, Kandé
PLAN1- Brief presentation of DOUALA2- presentation of the evolution of the town3- UMT or geographical units in Douala ( attributes and associated fonctions)4- Realisation of a transect5- indicatif agenda for the task and expected results
Main features of Douala - a coastal town , built at the Wouri estuary (24 Km to the Atlantic Ocean) in low land (0=100m); high temperatures ( above 25 °C,) abondant rainfall ( 4000 mm from march to November…)- High frequence of floods and wind storms-post colonial town exist before 1884 (German protectorat in Cameroon) = the oldest town of the country- 2,5 millions inhabitants (BUCREP, 2010, CUD, 2011) With a 5% growth rate per year 5 millions in 2025 -surface area: 300 km2 -The economical Capital of the country with the biggest port industries
BRIEF EVOLUTION OF THE TOWN
Années Population Superficie
(Ha)
Densités de
population/ha
1955 115 000 1098 105
1961 155 000 1336 115
1965 200 000 1534 130
1970 320 000 1992 160
1980 750 000 4800 208
1990 1 500 000 9456 212
2000 2 000 000 17 850 2242010 2 500 000 30 000
• Tab. 24 -Projection de la population de Douala à l’horizon 2025 (en 1000)
• 1964 1976 1987 2005 2010 2015 2020 2025• Hypothèse tendancielle 229 458 810 1 907 2 370 2 888 3 458 4 074• Hypothèse haute 229 458 810 1 907 2 419 3 069 3 893 4 937• Hypothèse basse 229 458 810 1 907 2 364 2 798 3 233 3 659• Hypothèse tendancielle 5,94% 5,31% 4,87% 4,43% 4,03% 3,67%
3,34%• Hypothèse haute 5,94% 5,31% 4,87% 4,87% 4,87% 4,87% 4,87%• Hypothèse basse 5,94% 5,31% 4,87% 4,38% 3,63% 3,12% 2,67%
Evolution of the population and projections
Evolution spatiale de Douala de 1964 à 1974
Fig. 8 – Etapes d'urbanisation et zones d'habitat spontané
élargissement à l’horizon 2025
3- UMT or geographical units in Douala ( attributes and associated fonctions)
- Port area ( 1000 ha)- Industrial areas- Administratif zone- Planned residentials areas- Unplanned, informal or sponteneous residential areas ( 35%)- markets, - Other Publics places (stadia…)- Mangroves- Forest ( relics or surrounding)- Cultivated parcels ( to provide food and incomes…)- Green spaces/parks ( put in place and preserve by the local governance autirity)- Transports infrastructures: roads, rail ways, bridges ( 1 km)- River Wouri, scanty water- Sand ( plages)- Poubelles sauvages ( tas d’ordures)
1-Port areaAttribute: 1000 ha; 500 exploited. Estuary Port;Fonction: 95% of importations of Cameroon and the central africa
Port de Douala: situation Projet de développement)
2- industrial areas: near the port in the old town and in Bonabéri ( rigth site of Wouri)
- Attributes: grouped in 2-3 zones- Fonction: 70 % des industries
Unit attributes fonction
Habitat structuré
Habitat spontannée
Voies routières et ferroviairesInstallations portuaires et industrielles
Zone administrative
Espace vert:Sauvage ( mangrove, jacinthe…
Espace vert planté et entrtenu
Zone d’agriculture intra urbaine.
Zone commerciales (marcés)
Principaux points de blocage sur le réseau primaire et pôles économiques
MODELE NUMERIQUE DE TERRAIN
Land use map in Douala
• Transects et delais
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