The “Colours of the continental waters SEC” Scientific Expertise Centre brings together teams from GET, IGE, Geosciences Rennes and UMR Epoc that work on the concentration of suspended matter and concentration of chlorophyll a for the surface waters of rivers, lakes and estuaries.
The product resulting from the Colours of the continental waters SEC is updated with a frequency of one to ten days. With a scale ranging from 10 m to 500 m, it covers different sites in France (AFB support) and in the South (IRD partnership) in South America, West Africa and South-East Asia.
Three indicators of water quality in rivers and lakes
The product developed by the SEC proposes 3 indicators of water quality in rivers and lakes:
The data used are high resolution (Landsat 8, Sentinel-2, Spot-5 Take-5, Venμs) and medium resolution (MERIS EN, Sentinel-3) data.