Gibson, LEngelbrecht, JeanineRush, D2019-08-102019-08-102019-09Gibson, L., Engelbrecht, J. and Rush, D. 2019. Detecting historic informal settlement fires with Sentinel 1 and 2 satellite data - Two case studies in Cape Town. Fire Safety Journal, Volume 108, 2019, doi.org/10.1016/j.firesaf.2019.1028280379-71121873-7226https://www.sciencedirect.com/science/article/pii/S0379711218305423https://doi.org/10.1016/j.firesaf.2019.102828http://hdl.handle.net/10204/11062© 2019 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/BY/4.0/).Increasing global urbanisation is leading to a rise in the number of people living in informal settlements, challenging our ability to achieve sustainable development goals. As a consequence of high building density, inadequate building methods and flammable building materials, informal settlements are highly vulnerable to the devastating impacts of fire. Databases on historic fire occurrence, location and extent are scarce, especially in the Global South. This paper explores the potential for remote sensing technologies to fill this gap. Two case studies in Cape Town representing fire of different extent and build back characteristics, are used to demonstrate that Sentinel-1 and Sentinel-2 data can be used to detect known historic informal settlement fire. A pixel based approach applied to Sentinel-2 band 2 reflectance and Sentinel 1 backscatter and interferometry are highlighted. The concept of spatial autocorrelation is explored with both Sentinel-2 and 1 data showing that a 3 x 3 pixel standard deviation kernel and hotspot analysis can complement the pixel approach. Further research is required to test these methods within a time series change detection algorithm to identify unknown historic informal settlement firesenFiresInformal settlementsRemote sensingSentinel-1Sentinel-2ArticleGibson, L., Engelbrecht, J., & Rush, D. (2019). Detecting historic informal settlement fires with sentinel 1 and 2 satellite data - Two case studies in Cape Town. http://hdl.handle.net/10204/11062Gibson, L, Jeanine Engelbrecht, and D Rush "Detecting historic informal settlement fires with sentinel 1 and 2 satellite data - Two case studies in Cape Town." (2019) http://hdl.handle.net/10204/11062Gibson L, Engelbrecht J, Rush D. Detecting historic informal settlement fires with sentinel 1 and 2 satellite data - Two case studies in Cape Town. 2019; http://hdl.handle.net/10204/11062.TY - Article AU - Gibson, L AU - Engelbrecht, Jeanine AU - Rush, D AB - Increasing global urbanisation is leading to a rise in the number of people living in informal settlements, challenging our ability to achieve sustainable development goals. As a consequence of high building density, inadequate building methods and flammable building materials, informal settlements are highly vulnerable to the devastating impacts of fire. Databases on historic fire occurrence, location and extent are scarce, especially in the Global South. This paper explores the potential for remote sensing technologies to fill this gap. Two case studies in Cape Town representing fire of different extent and build back characteristics, are used to demonstrate that Sentinel-1 and Sentinel-2 data can be used to detect known historic informal settlement fire. A pixel based approach applied to Sentinel-2 band 2 reflectance and Sentinel 1 backscatter and interferometry are highlighted. The concept of spatial autocorrelation is explored with both Sentinel-2 and 1 data showing that a 3 x 3 pixel standard deviation kernel and hotspot analysis can complement the pixel approach. Further research is required to test these methods within a time series change detection algorithm to identify unknown historic informal settlement fires DA - 2019-09 DB - ResearchSpace DP - CSIR KW - Fires KW - Informal settlements KW - Remote sensing KW - Sentinel-1 KW - Sentinel-2 LK - https://researchspace.csir.co.za PY - 2019 SM - 0379-7112 SM - 1873-7226 T1 - Detecting historic informal settlement fires with sentinel 1 and 2 satellite data - Two case studies in Cape Town TI - Detecting historic informal settlement fires with sentinel 1 and 2 satellite data - Two case studies in Cape Town UR - http://hdl.handle.net/10204/11062 ER -