10th International Rainwater Catchment Systems Conference
"Rainwater International 2001"
Mannheim, Germany - September 2001

Section 2: Rainwater Catchment in Humid and Arid Regions

Paper 2.7

Rainwater Modeling in Arid Regions (A Case Study in the North of Tunisia)

Noureddine Gaaloul and J. Aurouze
National Research Institute for Rural Engineering Water and Forestry (I.N.R.G.R.E.F)
Rue Hédi Karray B.P.10-2080
Ariana
Tunisia
email: gaaloul.noureddine@iresa.agrinet.tn

The art and science of hydrological modeling has been replete with computer programs, which will help solve certain classes of hydrologic problems. Hydrological models have been in existence for a long time. However, with the advent of the digital computer, methods in water resources modeling became highly sophisticated and in turn were accompanied by a proliferation in complex terminology. In fact, hydrology, which was developed before the introduction of technologies allowing for the collection and processing of spatial information, is poorly adapted to the efficient use of the full potential or remote sensing and GIS. The empirical methods development for the estimation of peak (flood) discharge and annual contributions, barely use spatially distributed information, and generally only in a statistical form. A significant work of development of new hydrological methods was developed to evaluate and calculate the hydrological assessment on a catchment area.

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