| Résumé
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According to the World
Risk
Report released by the United Nations University Institute for
Environment and
Human Security, Mexico has a vulnerability of 46% and a lack of coping
capacity
of 76% in terms of disaster risk. One of those disaster risks is
flooding which
poses a serious challenge to the development and the lives of the
inhabitants
of Mexico.
Mexico City
is
facing problems of flooding in some areas at certain times of the year,
causing
important losses and damages on properties and residents including some
casualties. Therefore, it is important to carry out a flood risk
assessment in
the catchment of Mexico City
and estimate damages of probable flood events. However, limited data of
observed discharges and water depths in the main rivers of the city are
available, and this represents an obstacle for the understanding of
flooding in Mexico City.
For these reasons, several studies have to be carried out in order to
have a
clear understanding of the catchment, which involve, meteorological and
hydrological/ hydraulic studies, rainfall distribution, runoff
analysis, flood
risk and vulnerability, and these studies allow the estimation of
direct and
indirect damages to the economy, to assets and to human life. The
premise of
this study is that with the limited data and resources available, the
catchment
can be represented to an acceptable degree by the construction of a
deterministic
hydrological model of the Mexico
City
basin. The objective of the developed tool is to provide an efficient
support
to management of the flood processes by predicting the behaviour of the
catchment for different rainfall events and flood scenarios.
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