Muddy waters

Muddy waters

by Dr. Alyre Chiasson Turbidity is a relatively common concept even when not referring to water. An idea that is unclear is often said to be “turbid” or “murky”.  However, as a water quality parameter it refers to the scattering of light. In common language this...
Geology of the Petitcodiac River

Geology of the Petitcodiac River

We appear to be innately curious about the origins of many things. Take as an example the really big questions like the origin(s) of life and bigger still, the origin of the universe. However, we will leave those questions aside to focus on something more local, the...
The PWA’s Origin Story

The PWA’s Origin Story

The PWA is entering its 25th anniversary this year. To kick things off, here is a seasonal series of essays on our history and our watershed from our Board member who helped found the Alliance, Dr. Alyre Chiasson. In this first episode, he talks about the origins of...