Polluted Lakes in Disguise
Clear lake water under highly polluted conditions might necessitate a rethink of water management policies and pollutant mitigation.
By Kimberly M. S. Cartier 4 mins ago
In highly agricultural areas, a clear lake does not always mean clean water, according to new research. Although a scum of green algae typically signals unhealthy nutrient levels, scientists have now found that nitrogen concentrations from agricultural nutrient runoff above a certain threshold kill off algae growth. Thus, highly tainted but limpid lakes give a false impression of their water quality.
https://eos.org/articles/polluted-lakes-in-disguise
