Ramadhany, Anjuatri (2021) INUNDATION ANALYSIS IN KALIGAWE STREET SEMARANG USING HEC-RAS SOFTWARE. S1 thesis, Universitas Atma Jaya Yogyakarta.
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Abstract
Inundation in Kaligawe street affected by heavy rainfall, lack of maintenance on drainage system, sea-level rising, and land subsidence. For the simulation of longterm inundation in Semarang, most study focused on impact of sea-level rising and land subsidence to inundation height. This observation aims to investigates main factor that cause inundation along Kaligawe street Semarang and impact of sealevel rising and land subsidence to height of inundation. One-dimensional HECRAS simulation used as a method to carry out height of inundation. Simulation conducted on existing condition, longest period of inundation, and 2, 5, 10, 25 years forecasting under 3 scenarios. Existing condition compared to canal capacity along Kaligawe street to observe inundation factor that come from drainage system. Furthermore, simulation on 2, 5, 10, 25 years forecasting under rainfall, sea-level rising, and land subsidence scenarios carried out to find out factor that influence inundation the most. The result indicates that canal along Kaligawe street did not adequate to accommodate inundation discharge. Furthermore, sea-level rising has no impact to height of inundation along Kaligawe street. However, land subsidence contributes 0.98-meter inundation for next 25 years. Thus, small capacity of canal become the major factor that causing inundation along Kaligawe street Semarang.
| Item Type: | Thesis (S1) |
|---|---|
| Uncontrolled Keywords: | inundation, sea-level rising, land subsidence, HEC-RAS |
| Subjects: | Civil Engineering > Hydro |
| Divisions: | Fakultas Teknik > Teknik Sipil Internasional |
| Depositing User: | Editor 3 uajy |
| Date Deposited: | 29 Sep 2022 10:38 |
| Last Modified: | 29 Sep 2022 10:38 |
| URI: | http://e-journal.uajy.ac.id/id/eprint/27512 |
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