Perhaps the hills aren't alive with the Sound of Music, but they are buzzing with sondes. Sondes are devices that enable us to test the temperature, oxygen levels, and 'cloudiness' (turbidity) of water, giving us vital information on its quality. …
Andy Newton has worked in the National Water Quality Instrumentation Service (NWQIS) for the past three years as a Field Scientist, but has been at the Environment Agency for over 10 years, most of that time spent working with sondes on the Cumbrian lakes and tarns.
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