Optimal Routing of Highway in Landsli Using Remote Sensing and Gis: A Case Study on Gohatsion – Dejen Road Project, Ethiopia
| dc.contributor.advisor | Arega Fikirte (PhD) | |
| dc.contributor.author | Yilikal Bamlaku | |
| dc.date.accessioned | 2020-11-09T08:29:49Z | |
| dc.date.accessioned | 2023-11-09T14:11:25Z | |
| dc.date.available | 2020-11-09T08:29:49Z | |
| dc.date.available | 2023-11-09T14:11:25Z | |
| dc.date.issued | 2015-05-05 | |
| dc.description.abstract | Optimal highway routing is an important part of highway planning activities. The objectives of this study are to present and demonstrate the potential of Remote Sensing and GIS technology on route alignment selection in mountainous regions prone to landslide. The existing road from Gohatsion to Dejen town traverses through areas susceptible to landslide hazards. Due to landslide, some sections of the road have been frequently blocked. On the other hand, the extent of the hazard increased from time to time and becomes more severe during the rainy season. This study was carried out to investigate the potential landslide hazard areas and to select an optimal route connecting Gohatsion to Dejen through areas free from land hazards including landslide, rock fall and debris flow. This study was depended on remote sensing data, ancillary or secondary data and field data. The collected data were used to develop various thematic layers such as landslide distribution, landslide hazard zonation, land use/land cover, drainage density, slope and lithology using Remote Sensing and GIS tools which are vital to generate the optimal route. These thematic data layers were used to produce thematic cost map which is in raster form and provides an estimate cost for route selection. Then, the optimum highway route was selected between Gohatsion and Dejen upon the thematic cost map. This optimum route is shorter than the existing alignment by 9km and avoided the active landslide areas found in the existing road at km …and ….without missing the existing Abay Bridge. | en_US |
| dc.identifier.uri | http://10.90.10.223:4000/handle/123456789/23069 | |
| dc.language.iso | en | en_US |
| dc.publisher | Addis Ababa University | en_US |
| dc.subject | Optimum Highway Route | en_US |
| dc.subject | Gis | en_US |
| dc.subject | Remote Sensing | en_US |
| dc.subject | Landslide | en_US |
| dc.subject | Thematic Cost | en_US |
| dc.subject | Landslide Hazard Zonation | en_US |
| dc.title | Optimal Routing of Highway in Landsli Using Remote Sensing and Gis: A Case Study on Gohatsion – Dejen Road Project, Ethiopia | en_US |
| dc.type | Thesis | en_US |