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Many paleoclimate and landscape change studies in the American Midwest have focused on the Late Glacial and early Holocene time periods (~16–11ka), but little work has addressed landscape change in this area between the Last Glacial Maximum and the Late Glacial (~22–16ka). Sediment cores were collected from 29 new lake and bog sites in Ohio and Indiana to address this gap. The basal radiocarbon dates...
Radiocarbon ages from Southampton Island (Canada) provide new chronological control on the deglaciation of Foxe Channel and northern Hudson Bay, a strategic area for understanding the demise of a marine-based portion of the Laurentide Ice Sheet. A regional marine reservoir age of 630±45yr and a reservoir offset (ΔR) of 263±48yr were calculated from two early to mid-Holocene terrestrial/marine radiocarbon...
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