The aim of this book is to contribute to understanding risk
knowledge and to forecasting components of early flood warning,
particularly in the environment of tropical high mountains in
developing cities. This research covers a challenge, taking into
account the persistent lack of data, limited resources and often
complex climatic, hydrologic and hydraulic conditions. In this
research, a regional method is proposed for assessing flash flood
susceptibility and for identifying debris flow predisposition at
the watershed scale. An indication of hazard is obtained from the
flash flood susceptibility analysis and continually, the
vulnerability and an indication of flood risk at watershed scale
was obtained. Based on risk analyses, the research follows the
modelling steps for flood forecasting development. Input
precipitation is addressed in the environment of complex topography
commonly found in mountainous tropical areas. A distributed model,
a semi-distributed model and a lumped model were all used to
simulate the discharges of a tropical high mountain basin with a
paramo upper basin. Performance analysis and diagnostics were
carried out in order to identify the most appropriate model for the
study area for flood early warning. Finally, the Weather Research
and Forecasting (WRF) model was used to explore the added value of
numerical weather models for flood early warning in a paramo area.
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