An initial investigation into the sources and transport of particulate organic matter in the Nelson River system, Manitoba

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dc.contributor.authorStainton, Tassia M.
dc.contributor.examiningcommitteeChow, Nancy (Geological Sciences) McCullough, Greg (Geological Sciences) Lobb, David (Soil Science)en_US
dc.contributor.supervisorKuzyk, Zou Zou (Geological Sciences)en_US
dc.date.accessioned2019-03-18T16:47:26Z
dc.date.available2019-03-18T16:47:26Z
dc.date.issued2019-02-22en_US
dc.date.submitted2019-02-26T02:26:07Zen
dc.degree.disciplineGeological Sciencesen_US
dc.degree.levelMaster of Science (M.Sc.)en_US
dc.description.abstractThe Nelson River, a subarctic river in north-central Manitoba, is the largest river discharging to Hudson Bay and its watershed has seen extensive land-modification in the upper reaches, permafrost thaw in the lower reaches, and hydroelectric development throughout. To characterize sources of sediment and particulate organic matter (OM) in the Nelson River system, and to identify processes influencing its transport to Hudson Bay, water quality parameters, Compound-Specific Stable Isotope (CSSI) fingerprinting, and Bayesian unmixing models were employed on terrestrial and instream samples. Distinct regional, longitudinal, and temporal differences in water quality parameters and particulate OM sources were observed among all three regions of the Nelson River system (upper Nelson River, Rat-Burntwood River, lower Nelson River). The application of CSSI fingerprinting and unmixing models showed that the dominant sources of OM to suspended sediment in the lower reaches of the Nelson River are proximally derived and comprise soils, upstream suspended sediment, river bed sediment, and tributary suspended sediment.en_US
dc.description.noteMay 2019en_US
dc.identifier.urihttp://hdl.handle.net/1993/33788
dc.language.isoengen_US
dc.rightsopen accessen_US
dc.subjectNelson Riveren_US
dc.subjectorganic matteren_US
dc.titleAn initial investigation into the sources and transport of particulate organic matter in the Nelson River system, Manitobaen_US
dc.typemaster thesisen_US
local.subject.manitobayesen_US
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