Flood Risk Assessment of the Middle Reach of the Helmand River, Afghanistan
Karimullah Sefat,
Ryota Tsubaki
Abstract:The middle reach of the Helmand River is prone to floods, and flood hazard analysis is necessary to manage the flood risk. As the study site is a less-developed basin where available geographical and hydrological data are limited, we must utilize available limited data to conduct the flood hazard analysis. A frequency analysis of the annual peak flow rate was performed using available hydrological data for making representative flood hydrographs. A land-use map is derived by classifying recent Landsat images. … Show more
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