Data Release to Multi-proxy record of ocean-climate variability during the last 2 millennia on the Mackenzie Shelf, Beaufort Sea (2013)
from composite sediment cores HLY1302 MC29, GGC30, and JPC32
Dates
Publication Date
2021-12-09
Time Period
2013
Citation
Gemery, L., 2021, Data Release to Multi-proxy record of ocean-climate variability during the last 2 millennia on the Mackenzie Shelf, Beaufort Sea (2013): U.S. Geological Survey data release, https://doi.org/10.5066/P9SRRW6T.
Summary
A 2,000 year-long oceanographic history of a Canadian Beaufort Sea continental shelf site (60-meters water depth) near the Mackenzie River outlet is reconstructed from various proxies: ostracode faunal assemblages, shell stable isotope ratios (δ18O, δ13C) and sediment biogenic silica. These proxies are extracted from three sediment cores that made a composite section, HLY1302 JPC32, GGC30, MC29. The composite core has chronology derived from radiocarbon dating and 137Cs and 210Pb correlations.
Summary
A 2,000 year-long oceanographic history of a Canadian Beaufort Sea continental shelf site (60-meters water depth) near the Mackenzie River outlet is reconstructed from various proxies: ostracode faunal assemblages, shell stable isotope ratios (δ18O, δ13C) and sediment biogenic silica. These proxies are extracted from three sediment cores that made a composite section, HLY1302 JPC32, GGC30, MC29. The composite core has chronology derived from radiocarbon dating and 137Cs and 210Pb correlations.
Gemery, L., Cronin, T.M., Cooper, L.W., Roberts, L.R., Keigwin, L.D., Addison, J.A., Leng, M.J., Lin, P., Magen, C., Marot, M.E., and Schwartz, V., 2023, Multi-proxy record of ocean-climate variability during the last two millennia on the Mackenzie Shelf, Beaufort Sea: Micropaleontology, v. 69, no. 3, p. 345–360, https://doi.org/10.47894/mpal.69.3.04.
"Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data for other purposes, nor on all computer systems, nor shall the act of distribution constitute any such warranty."
Purpose
This is the raw data release of various proxy measurements made from composite sediment cores HLY1302 MC29, GGC30, and JPC32, Multi-proxy record of ocean-climate variability during the last 2 millennia on the Mackenzie Shelf, Beaufort Sea. It includes: Read Me; Table 1 (Taxonomic Note on Cassidulina teretis s.l.); Table 2 (ostracode species faunal counts); Table 3 (stable isotope measurements of Paracyprideis pseudopunctillata and C. teretis s.l.); Table 4 (biogenic silica measurements); Table 5 (Lead-210 and Cesium-137 measurements) and Table 6 (HLY1302 radiocarbon dates).
