Holocene eolian sediment and organic matter from terraces and hillslopes around Healy, Central Alaska ...

• Main Authors: Walker, Caitlin, Kaufman, Darrell, McKay, Nicholas, Schuur, Edward
• Format: Dataset
• Language: English
• Published: NSF Arctic Data Center 2024
• Subjects: Permafrost; Organic Matter; Eolian Sediment; Paleosol; Loess; Arctic; Alaska; Holocene; BNZ LTER; Hillslope; River Terrace; Carbon; Particle Size; permafrost
• Online Access: https://dx.doi.org/10.18739/a2x921m1c; https://arcticdata.io/catalog/view/doi:10.18739/A2X921M1C

Three natural exposures near Healy, Alaska (Dry Creek, Panguingue Creek, and Healy Spur) and transects of shallow cores from three hillslopes near Eight Mile Lake were analyzed for particle-size distribution, loss-on-ignition for organic matter content, and radiocarbon dating. This study is part of a Master’s thesis research project by Walker at Northern Arizona University (https://www.proquest.com/openview/80b94829f88d5c8e0d0d678581079273/1?pq-origsite=gscholar&cbl=18750&diss=y). It builds on work of Marshall et al. (2023; doi: 10.1029/2022JG007290) who reported data from additional sediment cores taken along one of the hillslopes in this study, namely Hillslope A (https://arcticdata.io/catalog/view/doi:10.18739/A2F76683D). The motivation was to compare datasets of eolian material between different depositional settings, as well as identify trends in eolian thickness and particle size across the Healy landscape to reconstruct Holocene eolian deposition and identify ...