Knowledge Resource Center for Ecological Environment in Arid Area
| Multi-temporal mapping and projection of urban land-use-land-cover change : implication on urban green spaces. | |
| Onyango;Otunga Charles. | |
| 出版年 | 2013 |
| 英文摘要 | This study determines and predicts multi-temporal Land-Use-Land-Cover Change (LULC) in a peripheral urban landscape over a 22 year period in relation to the study area‘s greenery. A change detection analysis using post classification Maximum Likelihood algorithm on three multispectral SPOT-4 images was used to determine land-cover transformation. To predict future land coverage, a Land-Cover Change Modeler (LCM) and a Markov Chain were used. Results show that between the year 2000-2006, 2006-2011 and 2000-2011 the study area experienced varied changes in the different LULCs. Built-up areas increased by 10.08%, 3.15% and 13.23% in 2000-2006, 2006-2011, and 2000-2011 respectively. Areas covered by thicket decreased by 0.59% in 2000-2006 but increased by 0.56%, 0.07% in 2006-2011 and 2000-2011 respectively. Forest land-cover increased by 2.59% in 2000-2006, 2.82% in 2006-2011, and 5.41% in 2000-2011. Grassland declined by 8.46% and 2.64% in 2000-2006 and 2000-2011 respectively while degraded grassland declined by 3.62%, 12.45% and 16.07% in 2000-2006, 2006-2011, and 2000-2011 respectively. Projection results indicate a consistent pattern of growth or decline to those experienced between 2000-2011. This study provides insight into LULC patterns within the eThekwini metro area and offers invaluable understanding of the transformation of the urban green spaces. Key words: Land-Use-Land-Cover Change, Change detection, Land-Cover Change Modeler, Markov Chain Process, Land-Cover Change Prediction. Thesis (M.Sc.)-University of KwaZulu-Natal, Pietermaritzburg, 2013. |
| 英文关键词 | Land use--KwaZulu-Natal. Land use--Remote sensing. Aerial photography in land use. Land use Urban--Environmental aspects. Theses--Geography. |
| 语种 | 英语 |
| URL | http://hdl.handle.net/10413/10559 |
| 资源类型 | 学位论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/247593 |
| 推荐引用方式 GB/T 7714 | Onyango;Otunga Charles.. Multi-temporal mapping and projection of urban land-use-land-cover change : implication on urban green spaces.[D],2013. |
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