Lakes Chivero and Manyame are amongst Zimbabwe’s most polluted inland water bodies. MEdium Resolution
Imaging Spectrometry level 1b full resolution imagery for 2011 and 2012 were used to derive
chlorophyll-a (chl_a) and phycocyanin (blue-green algae) concentrations using a semi-empirical band
ratio model; total suspended matter (TSM) concentrations were derived from the MERIS processor.