... season to season thus the authors conclude that most parts of the country are drought prone. Originality/value – Remote sensing technologies utilising such indices as the VCI can be used for drought monitoring in Zimbabwe. where X is the total precipitation within a specified period...

... remote sensing and spatial multi-criteria analysis. Moreover, the parameters used are very close to those of actual inundation maps. © Emerald Group Publishing Limited 2014 In this study we conducted vulnerability mapping and assessed the inundation from a tsunami using remote sensing...

... of two images (pre- and post-event). Note that in Strategy B the “change image” is a raster matrix that contains changed and unchanged pixels. Arguably, the idea of using remote sensing for disaster management is not novel; in 1991, David Alexander was writing that: “two inventions, the satellite...