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The article that I found is academic, peer-reviewed research material. The research was done following the flooding in 2005, when the macrophyte and water dynamics were changed by the influx of rainwater. Over a period of four months, samples of periphyton were collected bi-weekly from the Bow River at six different locations in the Southeast area of Calgary. The purpose of this study was to determine whether the Bow River water quality model (BRWQM) used by the City of Calgary was calibrated properly to detect dissolved oxygen and periphyton levels in the water. The BRWQM is an invaluable tool used to ascertain the quality of water that has been treated by the wastewater treatment plants.
The authors are all based out of the University of Calgary. Robinson is in the Geomatics Engineering department in the Schulich School of Engineering; Valeo, Chu and Iwanyshyn are in the Civil Engineering department in the Schulich School of Engineering; and Ryan is in the Geoscience department. This means that the article is an academic one, researched and written by experts. The acknowledgments section thanks the reviewers, as well as City of Calgary and the Natural Sciences and Engineering Research Council (NSERC) for funding the paper.
Reference Cited
Robinson KL, Valeo C, Ryan MC, Chu A, Iwanyshyn M. 2009. Modelling aquatic vegetation and dissolved oxygen after a flood event in the Bow River, Alberta, Canada. Canadian Journal of Civil Engineering [Internet]. [cited 2018 Feb 8]; 36(3), 492-503. Available from: http://www.nrcresearchpress.com/doi/full/10.1139/L08-126#.Wny4dmbMzOQ doi:10.1139/L08-126
