Global Lake Ecological Observatory Network

Global Lake Ecological Observatory Network (GLEON) is an international grass-roots, voluntary network of researchers, educators, and community groups interested in making and utilizing time series of high-frequency observations made on and in lakes and reservoirs all over the world. GLEON includes more than 60 lake observatories and more than 850 individual members from 62 countries on six continents (as of January 2021).

Source: Wikipedia — Global Lake Ecological Observatory Network (CC BY-SA 4.0)