Knowledge Resource Center for Ecological Environment in Arid Area
| A GIS approach to landslide hazard management for the West Coast region, New Zealand. | |
| England;Kevin | |
| 出版年 | 2011 |
| 学位授予单位 | University of Canterbury. Geological Sciences |
| 英文摘要 | Landslides, in their various forms, are a common hazard in mountainous terrain, especially in seismically active areas and regions of high rainfall. The West Coast region of New Zealand is dissected by many active faults, experiences frequent earthquakes and in many locations annual rainfall exceeds ten meters. Consequently, landslides are widespread in the region and since European settlement began, have been responsible for 27 deaths, along with frequent damages to road and rail infrastructure, settlements and agricultural land. This study identifies areas that are susceptible to rainfall triggered landslides in the West Coast region. To achieve this, a landslide susceptibility map was produced using bivariate statistics and the analytical hierarchy process. It has an accuracy that predicts 80% of all the landslides in the top 40% of the susceptibility scores on the map. As part of this process, 3221 rainfall triggered landslides and 522 earthquake (or other trigger) triggered landslides have been mapped and digitised into a Geographic Information System. In parallel with this, a descriptive historical catalogue of 1987 landslides has been compiled from the available sources. These new tools provide decision-makers with an enhanced means of managing landslide hazards in the West Coast region. In order to avoid misinterpretation the study has been carried out in compliance with the “Guidelines for landslide susceptibility, hazard and risk zoning for land use planning”, which was published in 2008 by the Joint Technical Committee on Landslides and Engineered Slopes. The tools developed in this thesis represent a fundamental step in land-use planning and set-up of landslide hazard management in the West Coast region. |
| 英文关键词 | Landslides Hazard management Local government Landslide Susceptibility Inventory Catalogue New Zealand West Coast Geographic Information Systems Hazard management |
| 语种 | 英语 |
| URL | http://hdl.handle.net/10092/5337 |
| 来源机构 | University of Canterbury |
| 资源类型 | 学位论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/246196 |
| 推荐引用方式 GB/T 7714 | England;Kevin. A GIS approach to landslide hazard management for the West Coast region, New Zealand.[D]. University of Canterbury. Geological Sciences,2011. |
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