Predicting floods on the Zambeze River in Africa
Courtesy of USGS Science for a changing world
Reduce the colour depth of the satellite image of the Zambeze River to 16 colours. Work on changing the darker colours to black to make the areas prone to flooding stand out.
Need a hint?
Check your answer against an image of the Zambeze River actually in flood!
Notice that while our image enhancement easily outlines flooding areas on the delta, cloud cover makes us miss the major tributary on the top right hand side!
Remote sensing and satellite imagery must always be followed up with ground checks!