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Friborg: why water two rivers:
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Why the water of two Friborg rivers is fluorescent green – Friborg: why water two rivers
The environmental service measures this Wednesday. Furthermore, the debit of the Ruedigbach and the Nesslera to Mouret by means of a fluorescent tracer.
The environment service uses fluorescein to measure water flows.
Friborg Environment Office
The water from Ruedigrabebach and La Nesslera, two Friborg rivers, is fluorescent green this Wednesday, July 16. And it is completely normal: the environmental service of the canton is measuring the flow of these rivers today. by means friborg: why water two rivers of a fluorescent tracer.
For a few minutes, the water takes a very lively fluorescent green color over a hundred meters. The coloring used, fluorescein, is harmless for fauna and flora. There is no danger for the population, said the press release Environmental service.
Why measure the flow of rivers?
The flow rate measurement method using fluorescein is particularly useful in situations where other techniques are difficult to apply. for example in very deep, turbulent or difficult accessible rivers. The environmental service performs flow measures using fluorescein mainly during floods.
But why measure the flow rates of rivers? The hydrometric data harvested are used in particular for the management of water resources and protection against floods. Additionally, The observation series make it possible to follow the evolution of friborg: why water two rivers the flows. their modifications in particular induced by the climate change.
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