Rainfall-runoff modeling of the trans-boundary Kabul River Basin using integrated flood analysis system (IFAS)
2016
Aziz, A. (Flood Forecasting Div., Lahore (Pakistan). Pakistan Meteorological Dept.)
The gauge data communication was disrupted from the control unit during the flood disaster 2010 in the Kabul River Basin, therefore, totally satellite rainfall data dependency is accounted in the present research. In this study an attempt is made to develop the non-structural countermeasures for the downstream reach of the Kabul River so that the losses and damages due to flooding could be minimized. The Satellite rainfall data set namely Global Satellite Mapping of Precipitation GSMaP-NRT (Near Real Time) has been used by the hydrological model, Integrate Flood Analysis System (IFAS), to conduct rainfall runoff modeling. The discharge calculated by the Satellite GSMaP-NRT (corrected) has showed good agreement with the observed discharge values from the ground discharge measuring station both in terms of flood duration and flood peak. The Satellite GSMaP-NRT (original) captured neither flood duration nor did the flood peak. The discharge data and the corresponding rainfall data of the upper catchment areas have been analyzed especially for the devastating Pakistan flood 2010 to check the feasibility of IFAS for the flood forecasting of the Kabul River. The IFAS showed the capability to generate sufficient lead time forecast for the local downstream population. This tuned IFAS model is practically helpful for the flood early warning and to save the lives and movable properties of the community.
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