Photodegraded Dissolved Organic Matter from Peak Freshet River Discharge as a Substrate for Bacterial Production in a Lake-rich Great Arctic Delta

• Main Authors: Gareis, Jolie A.L., Lesack, Lance F.W.
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2018
• Subjects: Arctic; Mackenzie River; Mackenzie Delta; Mackenzie river
• Online Access: http://summit.sfu.ca/item/18238

Lake-rich Arctic river deltas are recharged with terrigenous dissolved organic matter (DOM) during the yearly peak water period corresponding with the solstice (24 h day−1 solar irradiance). Bacteria-free DOM collected during peak Mackenzie River discharge was exposed to sunlight for up to 14 days i...