… were shown to misrepresent the input sources of organic matter (OM) and were inaccurate
… of carbon and hydrogen isotope ratios, and n-alkanes in source apportionment along the St. …

… Lawrence Estuary and Gulf (SLEG), are represented by a … Dissolved Organic Carbon (DOC)
and stable isotope analysis … ability to trace the isotopic ratio of carbon within solid samples, it …

… The total organic carbon (TOC) content in the <150 μm sediment fraction was quantified
at the Geotop Light Stable Isotope Geochemistry Laboratory (Montréal, Québec) with a Carlo-…

… freshwaters contribute to the estuarine and gulf sedimentary organic matter pool in two ways,
… , stable carbon isotope ratios were used to determine the sources of organic carbon in the …

… The isotope ratios of all … of sediments in the USLE and the much greater depths of the LSLE
and the GSL (Section 2) in comparison with many other organic-rich and shallow estuarine …

… Lawrence River to the Gulf. The OM along this waterway is … the sediments which acts as a
long-term sink for organic matter. … These differences in ratios are measured using isotope ratio …

… of organic carbon or the oxidation of Pt-bearing organic … Isoprime continuous flow isotope
ratio mass spectrometer … column and accumulates in the sediments. Using a conventional TS …

… of waters from the Gulf Stream and the Labrador Current. Hence, … on a Micromass Isoprime™
isotope ratio mass spectrometer in … in organic carbon content suggests regular sedimentary …

… a mixture of waters from the Labrador Current and the North Atlantic entering the Gulf of St.
… contributions to organic matter can be done using POC:PN mass ratios and bulk sediment δ …

… of about 10 m above the sediments and water samples were … the Gulf’s contribution to the
dissolved organic matter inventory … carbon isotope composition of particulate organic carbon …