Isotopic and geochemical data from Barry Lake, Canada: A 900-year record of environmental change

Rebecca Doyle, Zijun Liu, Jacob Walker, Ryan Hladyniuk, Katrina Moser, Fred Longstaffe

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The data reported here consist of oxygen and hydrogen isotope compositions for 145 modern water samples, and geochemical measurements for gravity cores of sediment, all collected from Barry Lake, a small kettle lake located in Ontario, Canada. The geochemical measurements for the sediment organic matter include organic carbon and total nitrogen isotope compositions, organic carbon and total nitrogen contents and chlorophyll a content. The carbon and oxygen isotope compositions of marl contained in these sediments are also reported, along with the calcite and quartz contents of the sediment sample. Mass accumulation rates of total organic carbon, total nitrogen, chlorophyll a and calcite are reported. Dating of these sediments shows that they span ∼900 years. The stable isotope compositions of the modern waters and marl are useful to researchers studying how effective moisture (the net of water inputs vs outputs) changed in southern Ontario across the last ∼900 years. Proxies derived from the organic fraction of the lake sediments will be of interest to researchers of small Ontario lakes seeking to contextualize recent increases in primary production related to eutrophication. A discussion of these data, and a comparison of these data to other cores in the Great Lakes Region, is available in “A 900-year record of effective moisture in the Great Lakes Region” (Doyle et al., 2021).
Original languageEnglish
Article number107880
JournalData in Brief
Volume41
Issue number107880
DOIs
Publication statusPublished - Apr 2022
Externally publishedYes

Keywords

  • Lake sediment
  • Late Holocene
  • Great Lakes region
  • O, H, C and N isotope analysis
  • Organic matter
  • Marl
  • Sediment mineralogy

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