HYDRODYNAMIC MODELING FOR FLOOD HAZARD ASSESSMENT IN TELOMOYO CATCHMENT, CENTRAL JAVA, INDONESIA
Flooding is considered as one of the most devastating events in many parts of the world. In terms of its frequency and distribution, river flooding remains as a frequent disaster that has to be faced by civilization in the floodplain. Due to the periodical occurrence and adverse impact that may be g...
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| Format: | Thesis |
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[Yogyakarta] : Universitas Gadjah Mada
2011
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| _version_ | 1797030390903341056 |
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| author | , FRIETA DAMAYANTI, S.Si , Dr. rer.nat. Djati Mardiatno, M.Si. |
| author_facet | , FRIETA DAMAYANTI, S.Si , Dr. rer.nat. Djati Mardiatno, M.Si. |
| author_sort | , FRIETA DAMAYANTI, S.Si |
| collection | UGM |
| description | Flooding is considered as one of the most devastating events in many parts of the world.
In terms of its frequency and distribution, river flooding remains as a frequent disaster
that has to be faced by civilization in the floodplain. Due to the periodical occurrence
and adverse impact that may be generated, flood risk management is necessary to
conduct. Flood hazard assessment is the preliminary step in conducting the flood risk
management.
A coupled 1D2D hydrodynamic modeling has become a popular practical method in
flood hazard assessment due to its advantage in predicting the flood events which did
not occur in history. This modeling helps to understand the flood hazard and serves a
tool which also useful in understanding the effect of mitigation measures. The flood
model was based on four different retun periods (2 yr, 5 yr, 10 yr, and 25 yr). Digital
elevation model (DEM) is substantially important in conducting such flood model.
Geostatistical analysis was preferred to do DEM generation. Three interpolation
methods were used in this study and the results were compared. The Simple Kriging
was the best geostatistical predictor since it embedded the least SD, RMSE, and
unbiased interpolation.
The result of the flood model showed that the flood, either from low magnitude (2 yr)
and high magnitude (25 yr) only inundated 15% of the study area. The positive
relationship of the inundation area and flood magnitude was identified. The comparison
of the flood model and the observed data in term of the flood depth showed 35 cm
differences. The DEM error interpolation by 31 cm propagated in the flood modeling
and doubled the error of the flood depth by 64 cm. |
| first_indexed | 2024-03-13T22:04:58Z |
| format | Thesis |
| id | oai:generic.eprints.org:88742 |
| institution | Universiti Gadjah Mada |
| last_indexed | 2024-03-13T22:04:58Z |
| publishDate | 2011 |
| publisher | [Yogyakarta] : Universitas Gadjah Mada |
| record_format | dspace |
| spelling | oai:generic.eprints.org:887422014-08-20T02:51:24Z https://repository.ugm.ac.id/88742/ HYDRODYNAMIC MODELING FOR FLOOD HAZARD ASSESSMENT IN TELOMOYO CATCHMENT, CENTRAL JAVA, INDONESIA , FRIETA DAMAYANTI, S.Si , Dr. rer.nat. Djati Mardiatno, M.Si. ETD Flooding is considered as one of the most devastating events in many parts of the world. In terms of its frequency and distribution, river flooding remains as a frequent disaster that has to be faced by civilization in the floodplain. Due to the periodical occurrence and adverse impact that may be generated, flood risk management is necessary to conduct. Flood hazard assessment is the preliminary step in conducting the flood risk management. A coupled 1D2D hydrodynamic modeling has become a popular practical method in flood hazard assessment due to its advantage in predicting the flood events which did not occur in history. This modeling helps to understand the flood hazard and serves a tool which also useful in understanding the effect of mitigation measures. The flood model was based on four different retun periods (2 yr, 5 yr, 10 yr, and 25 yr). Digital elevation model (DEM) is substantially important in conducting such flood model. Geostatistical analysis was preferred to do DEM generation. Three interpolation methods were used in this study and the results were compared. The Simple Kriging was the best geostatistical predictor since it embedded the least SD, RMSE, and unbiased interpolation. The result of the flood model showed that the flood, either from low magnitude (2 yr) and high magnitude (25 yr) only inundated 15% of the study area. The positive relationship of the inundation area and flood magnitude was identified. The comparison of the flood model and the observed data in term of the flood depth showed 35 cm differences. The DEM error interpolation by 31 cm propagated in the flood modeling and doubled the error of the flood depth by 64 cm. [Yogyakarta] : Universitas Gadjah Mada 2011 Thesis NonPeerReviewed , FRIETA DAMAYANTI, S.Si and , Dr. rer.nat. Djati Mardiatno, M.Si. (2011) HYDRODYNAMIC MODELING FOR FLOOD HAZARD ASSESSMENT IN TELOMOYO CATCHMENT, CENTRAL JAVA, INDONESIA. UNSPECIFIED thesis, UNSPECIFIED. http://etd.ugm.ac.id/index.php?mod=penelitian_detail&sub=PenelitianDetail&act=view&typ=html&buku_id=50663 |
| spellingShingle | ETD , FRIETA DAMAYANTI, S.Si , Dr. rer.nat. Djati Mardiatno, M.Si. HYDRODYNAMIC MODELING FOR FLOOD HAZARD ASSESSMENT IN TELOMOYO CATCHMENT, CENTRAL JAVA, INDONESIA |
| title | HYDRODYNAMIC MODELING FOR FLOOD HAZARD ASSESSMENT
IN TELOMOYO CATCHMENT, CENTRAL JAVA, INDONESIA |
| title_full | HYDRODYNAMIC MODELING FOR FLOOD HAZARD ASSESSMENT
IN TELOMOYO CATCHMENT, CENTRAL JAVA, INDONESIA |
| title_fullStr | HYDRODYNAMIC MODELING FOR FLOOD HAZARD ASSESSMENT
IN TELOMOYO CATCHMENT, CENTRAL JAVA, INDONESIA |
| title_full_unstemmed | HYDRODYNAMIC MODELING FOR FLOOD HAZARD ASSESSMENT
IN TELOMOYO CATCHMENT, CENTRAL JAVA, INDONESIA |
| title_short | HYDRODYNAMIC MODELING FOR FLOOD HAZARD ASSESSMENT
IN TELOMOYO CATCHMENT, CENTRAL JAVA, INDONESIA |
| title_sort | hydrodynamic modeling for flood hazard assessment in telomoyo catchment central java indonesia |
| topic | ETD |
| work_keys_str_mv | AT frietadamayantissi hydrodynamicmodelingforfloodhazardassessmentintelomoyocatchmentcentraljavaindonesia AT drrernatdjatimardiatnomsi hydrodynamicmodelingforfloodhazardassessmentintelomoyocatchmentcentraljavaindonesia |