Holocene paleoceanographic variability in Robertson Bay, Ross Sea, Antarctica: A marine record of ocean, ice sheet, and climate connectivity

Details

• Journal Title:
  Quaternary Science Reviews
• Personal Author:
  Truax, Olivia J. ; Riesselman, Christina R. ; Wilson, Gary S. ; Stevens, Craig L. ; Parker, Rebecca L. ; Lee, Jae Il ; McKay, Robert M. ; Rosenheim, Brad E. ; Ginnane, Catherine E. ; Turnbull, Jocelyn C. ; Moon, Heung Soo ; Lee, Min Kyung ; Dagg, Bob ; Yoo, Kyu-Cheul
• NOAA Program & Office:
  CIRES (Cooperative Institute for Research in Environmental Sciences)
• Description:
  Accelerating ocean-driven basal melting of Antarctic ice shelves in recent decades has implications for sea level rise and global overturning circulation. Here, we reconstruct oceanographic conditions at the confluence of the Ross Sea and the Southern Ocean by analyzing a multi-proxy Holocene marine sedimentary record collected from Robertson Bay. A ramped pyrolysis oxidation radiocarbon age-depth model provides a timeline for glacial behavior and oceanographic changes over the last 6700 years. The diatom assemblage, magnetic susceptibility, grain size, total organic carbon and nitrogen, trace elements, and bulk δ13C are used as proxies for changing ocean and glacial conditions, which we interpret in the context of modern oceanographic measurements.
• Source:
  Quaternary Science Reviews, 332, 108635
• DOI:
  https://doi.org/10.1016/j.quascirev.2024.108635
• ISSN:
  0277-3791
• Format:
  pdf
• Publisher:
  Elsevier BV
• Document Type:
  Journal Article
• License:
  https://creativecommons.org/licenses/by/4.0/
• Rights Information:
  CC BY
• Compliance:
  Library
• Main Document Checksum:
  urn:sha-512:55cc56c94fc30ceb0bcbe0282f95aa2a3342c2a6bc65cfce54b2308d59c95141467ee7fe1015f59c028a9f33564e1b115c0012f98ef699db3d87b26650061023
• Download URL:
  https://repository.library.noaa.gov/view/noaa/68416/noaa_68416_DS1.pdf
• File Type:
  [PDF - 9.57 MB ]