Rainfall-runoff modeling using HEC-HMS / Siti Munirah Ismail

The changes of natural hydrology characteristic due to the replacement of natural vegetation to a high percentage of impervious surfaces in the watershed will effect to the volume of runoff in receiving water. It is due to the increasing of surface runoff and flow velocities which will cause to d...

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Main Author: Ismail, Siti Munirah
Format: Student Project
Language:English
Published: Faculty of Civil Engineering 2006
Subjects:
Online Access:http://ir.uitm.edu.my/id/eprint/25136/
http://ir.uitm.edu.my/id/eprint/25136/1/PPb_%20SITI%20MUNIRAH%20ISMAIL%20EC%20P%2006_5.pdf
id uitm-25136
recordtype eprints
spelling uitm-251362019-09-26T02:02:11Z http://ir.uitm.edu.my/id/eprint/25136/ Rainfall-runoff modeling using HEC-HMS / Siti Munirah Ismail Ismail, Siti Munirah Engineering instruments, meters, etc. Industrial instrumentation Engineering geology. Rock mechanics. Soil mechanics. The changes of natural hydrology characteristic due to the replacement of natural vegetation to a high percentage of impervious surfaces in the watershed will effect to the volume of runoff in receiving water. It is due to the increasing of surface runoff and flow velocities which will cause to decrease in flow travel time. This phenomenon has alleviate problems regarding the local runoff impacts on receiving water flow and lead to increase in flood peak. In Malaysia, flooding is one of the natural hazards that affect the communities and have caused damages worth of million every year. For more than thirty years, computer models have been used as an essential tool for flood analysis. This report depicts a hydrologic engineering study carried out at Sg. Junjung, Penang, Malaysia for rainfall runoff modelling using HEC-HMS. The Hydrologic Modeling System is designed to simulate the rainfall-runoff processes of dendritic watershed systems. HEC-HMS model was used to predict design flow for major system (ARI 50 and ARI 100 years). The data collected were used to develop flow rating curve and to derive historical and predicted flood hydrograph. The historical flood hydrograph for the 20th-21st October 2005 was used to calibrate with the predicted flood hydrograph (HECHMS model). The calibrated model was validated with historical flood hydrograph on storm event 15th-17th July 2005. Hydrographs produced by this study can be used directly or in conjunction with other software for studies of water availability, urban drainage, flow forecasting, future urbanization impact, weir design, flood damage reduction, floodplain regulation, wetlands hydrology, and systems operation. Faculty of Civil Engineering 2006-11-15 Student Project NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/25136/1/PPb_%20SITI%20MUNIRAH%20ISMAIL%20EC%20P%2006_5.pdf Ismail, Siti Munirah (2006) Rainfall-runoff modeling using HEC-HMS / Siti Munirah Ismail. [Student Project] (Unpublished)
repository_type Digital Repository
institution_category Local University
institution Universiti Teknologi MARA
building UiTM Institutional Repository
collection Online Access
language English
topic Engineering instruments, meters, etc. Industrial instrumentation
Engineering geology. Rock mechanics. Soil mechanics.
spellingShingle Engineering instruments, meters, etc. Industrial instrumentation
Engineering geology. Rock mechanics. Soil mechanics.
Ismail, Siti Munirah
Rainfall-runoff modeling using HEC-HMS / Siti Munirah Ismail
description The changes of natural hydrology characteristic due to the replacement of natural vegetation to a high percentage of impervious surfaces in the watershed will effect to the volume of runoff in receiving water. It is due to the increasing of surface runoff and flow velocities which will cause to decrease in flow travel time. This phenomenon has alleviate problems regarding the local runoff impacts on receiving water flow and lead to increase in flood peak. In Malaysia, flooding is one of the natural hazards that affect the communities and have caused damages worth of million every year. For more than thirty years, computer models have been used as an essential tool for flood analysis. This report depicts a hydrologic engineering study carried out at Sg. Junjung, Penang, Malaysia for rainfall runoff modelling using HEC-HMS. The Hydrologic Modeling System is designed to simulate the rainfall-runoff processes of dendritic watershed systems. HEC-HMS model was used to predict design flow for major system (ARI 50 and ARI 100 years). The data collected were used to develop flow rating curve and to derive historical and predicted flood hydrograph. The historical flood hydrograph for the 20th-21st October 2005 was used to calibrate with the predicted flood hydrograph (HECHMS model). The calibrated model was validated with historical flood hydrograph on storm event 15th-17th July 2005. Hydrographs produced by this study can be used directly or in conjunction with other software for studies of water availability, urban drainage, flow forecasting, future urbanization impact, weir design, flood damage reduction, floodplain regulation, wetlands hydrology, and systems operation.
format Student Project
author Ismail, Siti Munirah
author_facet Ismail, Siti Munirah
author_sort Ismail, Siti Munirah
title Rainfall-runoff modeling using HEC-HMS / Siti Munirah Ismail
title_short Rainfall-runoff modeling using HEC-HMS / Siti Munirah Ismail
title_full Rainfall-runoff modeling using HEC-HMS / Siti Munirah Ismail
title_fullStr Rainfall-runoff modeling using HEC-HMS / Siti Munirah Ismail
title_full_unstemmed Rainfall-runoff modeling using HEC-HMS / Siti Munirah Ismail
title_sort rainfall-runoff modeling using hec-hms / siti munirah ismail
publisher Faculty of Civil Engineering
publishDate 2006
url http://ir.uitm.edu.my/id/eprint/25136/
http://ir.uitm.edu.my/id/eprint/25136/1/PPb_%20SITI%20MUNIRAH%20ISMAIL%20EC%20P%2006_5.pdf
first_indexed 2023-09-18T23:14:08Z
last_indexed 2023-09-18T23:14:08Z
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