Outputs (8)

An updated radiocarbon-based ice margin chronology for the last deglaciation of the North American Ice Sheet Complex (2020)
Journal Article
Dalton, A., Margold, M., Stokes, C., Tarasov, L., Dyke, A., Adams, R., …Wright Jr, H. (2020). An updated radiocarbon-based ice margin chronology for the last deglaciation of the North American Ice Sheet Complex. Quaternary Science Reviews, 234, Article 106223. https://doi.org/10.1016/j.quascirev.2020.106223

The North American Ice Sheet Complex (NAISC; consisting of the Laurentide, Cordilleran and Innuitian ice sheets) was the largest ice mass to repeatedly grow and decay in the Northern Hemisphere during the Quaternary. Understanding its pattern of retr... Read More about An updated radiocarbon-based ice margin chronology for the last deglaciation of the North American Ice Sheet Complex.

The configuration of Northern Hemisphere ice sheets through the Quaternary (2019)
Journal Article
Batchelor, C., Margold, M., Krapp, M., Murton, D., Dalton, A., Gibbard, P., …Manica, A. (2019). The configuration of Northern Hemisphere ice sheets through the Quaternary. Nature Communications, 10, Article 3713. https://doi.org/10.1038/s41467-019-11601-2

Our understanding of how global climatic changes are translated into ice-sheet fluctuations and sea-level change is currently limited by a lack of knowledge of the configuration of ice sheets prior to the Last Glacial Maximum (LGM). Here, we compile... Read More about The configuration of Northern Hemisphere ice sheets through the Quaternary.

Widespread global peatland establishment and persistence over the last 130,000 y (2019)
Journal Article
Treat, C., Kleinen, T., Broothaerts, N., Dalton, A., Dommain, R., Douglas, T., …Brovkin, V. (2019). Widespread global peatland establishment and persistence over the last 130,000 y. Proceedings of the National Academy of Sciences, 116(11), 4822-4827. https://doi.org/10.1073/pnas.1813305116

Glacial−interglacial variations in CO2 and methane in polar ice cores have been attributed, in part, to changes in global wetland extent, but the wetland distribution before the Last Glacial Maximum (LGM, 21 ka to 18 ka) remains virtually unknown. We... Read More about Widespread global peatland establishment and persistence over the last 130,000 y.

Was the Laurentide Ice Sheet significantly reduced during Marine Isotope Stage 3 (2019)
Journal Article
Dalton, A., Finkelstein, S., Forman, S., Barnett, P., Pico, T., & Mitrovica, J. (2019). Was the Laurentide Ice Sheet significantly reduced during Marine Isotope Stage 3. Geology, 47(2), 111-114. https://doi.org/10.1130/g45335.1

Accurately reconstructing the paleogeography of the Laurentide Ice Sheet (LIS) during Marine Isotope Stage 3 (MIS 3; ca. 57,000 to ca. 29,000 yr B.P.) is critical for understanding glacial growth toward the Last Glacial Maximum (LGM), refining sea-le... Read More about Was the Laurentide Ice Sheet significantly reduced during Marine Isotope Stage 3.

Late Holocene climatic variability in Subarctic Canada: Insights from a high-resolution lake record from the central Northwest Territories (2018)
Journal Article
Dalton, A., Patterson, R., Roe, H., Macumber, A., Swindles, G., Galloway, J., …Falck, H. (2018). Late Holocene climatic variability in Subarctic Canada: Insights from a high-resolution lake record from the central Northwest Territories. PLoS ONE, 13(6), Article e0199872. https://doi.org/10.1371/journal.pone.0199872

We examined late Holocene (ca. 3300 yr BP to present-day) climate variability in the central Northwest Territories (Canadian Subarctic) using a diatom and sedimentological record from Danny’s Lake (63.48ºN, 112.54ºW), located 40 km southwest of the m... Read More about Late Holocene climatic variability in Subarctic Canada: Insights from a high-resolution lake record from the central Northwest Territories.

Late Pleistocene chronology, palaeoecology and stratigraphy at a suite of sites along the Albany River, Hudson Bay Lowlands, Canada (2017)
Journal Article
Dalton, A. S., Finkelstein, S. A., Barnett, P. J., Väliranta, M., & Forman, S. L. (2018). Late Pleistocene chronology, palaeoecology and stratigraphy at a suite of sites along the Albany River, Hudson Bay Lowlands, Canada. Palaeogeography, Palaeoclimatology, Palaeoecology, 492, 50-63. https://doi.org/10.1016/j.palaeo.2017.12.011

Stratigraphic records from formerly glaciated regions are critical for detailed study of the timing, onset and dynamics of past ice sheets and the palaeoecology of previous ice-free intervals. We examined three stratigraphic sections from an 18-km st... Read More about Late Pleistocene chronology, palaeoecology and stratigraphy at a suite of sites along the Albany River, Hudson Bay Lowlands, Canada.

Pollen and macrofossil-inferred palaeoclimate at the Ridge Site, Hudson Bay Lowlands, Canada: evidence for a dry climate and significant recession of the Laurentide Ice Sheet during Marine Isotope Stage 3 (2016)
Journal Article
Dalton, A. S., Väliranta, M., Barnett, P. J., & Finkelstein, S. A. (2017). Pollen and macrofossil-inferred palaeoclimate at the Ridge Site, Hudson Bay Lowlands, Canada: evidence for a dry climate and significant recession of the Laurentide Ice Sheet during Marine Isotope Stage 3. Boreas: An International Journal of Quaternary Research, 46(3), 388-401. https://doi.org/10.1111/bor.12218

We examine pollen, macrofossils and sedimentological proxies from the Ridge Site, an 18‐m sequence of glacial and non‐glacial sediments exposed along the bank of the Ridge River in the southern Hudson Bay Lowlands (HBL), Canada. As the HBL is located... Read More about Pollen and macrofossil-inferred palaeoclimate at the Ridge Site, Hudson Bay Lowlands, Canada: evidence for a dry climate and significant recession of the Laurentide Ice Sheet during Marine Isotope Stage 3.

Constraining the Late Pleistocene history of the Laurentide Ice Sheet by dating the Missinaibi Formation, Hudson Bay Lowlands, Canada (2016)
Journal Article
Dalton, A. S., Finkelstein, S. A., Barnett, P. J., & Forman, S. L. (2016). Constraining the Late Pleistocene history of the Laurentide Ice Sheet by dating the Missinaibi Formation, Hudson Bay Lowlands, Canada. Quaternary Science Reviews, 146, 288-299. https://doi.org/10.1016/j.quascirev.2016.06.015

Well-dated paleorecords from periods prior to the Last Glacial Maximum (LGM) are important for validating models of ice sheet build-up and growth. However, owing to glacial erosion, most Late Pleistocene records lie outside of the previously glaciate... Read More about Constraining the Late Pleistocene history of the Laurentide Ice Sheet by dating the Missinaibi Formation, Hudson Bay Lowlands, Canada.