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. Urban floods due to intense precipitation is a major problem inmany developing countries, especially in Africa. There are few availablesolutions for effective and yet affordable flood early warning systems forthese regions. Weather radar is common in industrialized countries but toocostly for most tropical cities. Satellite provides interesting informationin real time but not yet quantitative enough at the space and time scalesneeded for urban flood monitoring. Rainfall measurement using commercialmicrowave links (CML) from cellular communication networks is a costeffective alternative to conventional methods. The method is based onmeasuring rain induced fluctuations between telecommunication antennas; ifthe operator provides this information rain maps can be produced and usedfor hydrological prediction. Many CML studies have been carried out inEurope and Israel. Recently IRD implemented pilot sites in Africa in orderto test this rainfall estimation technique and quantify the uncertainties.After reviewing the method principles and providing an overview of thecurrent research on CML, we present a simulation framework to analyse thepropagation of CML rainfall uncertainties in an urban hydrological model.

proceedings of iahs

Rainfall measurement from mobile telecommunication network and potential benefit for urban hydrology in Africa: a simulation framework for uncertainty propagation analysis