Sikuiui Lake, Greenland 9,400 Year Sediment Physical Properties Data Schweinsberg, A.D.; Briner, J.P.; Miller, G.H.; Bennike, O.; Thomas, E.K. Schweinsberg, A.D. Briner, J.P. Miller, G.H. Bennike, O. Thomas, E.K. earth science/paleoclimate/paleolimnology (manganese,sediment,null,count per second,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,measured on fresh sediment surface by scanning xrf (itrax)) earth science/paleoclimate/paleolimnology (silicon,sediment,null,count per second,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,measured on fresh sediment surface by scanning xrf (itrax)) earth science/paleoclimate/paleolimnology (titanium,sediment,null,count per second,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,measured on fresh sediment surface by scanning xrf (itrax)) earth science/paleoclimate/paleolimnology (depth,null,null,centimeter,null,paleolimnology,null,null,N,null) earth science/paleoclimate/paleolimnology (organic matter,sediment,null,weight percent,null,paleolimnology,null,loss on ignition,N,null) earth science/paleoclimate/paleolimnology (iron,sediment,null,count per second,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,measured on fresh sediment surface by scanning xrf (itrax)) earth science/paleoclimate/paleolimnology (magnetic susceptibility,wet sediment,null,dimensionless (SI system),null,paleolimnology,null,null,N,null) earth science/paleoclimate/paleolimnology (potassium,sediment,null,count per second,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,measured on fresh sediment surface by scanning xrf (itrax)) earth science/paleoclimate/paleolimnology (density,wet sediment,null,gram per cubic centimeter,null,paleolimnology,null,gamma ray attenuation porosity evaluation,N,null) earth science/paleoclimate/paleolimnology (rubidium,sediment,null,count per second,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,measured on fresh sediment surface by scanning xrf (itrax)) earth science/paleoclimate/paleolimnology (strontium,sediment,null,count per second,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,measured on fresh sediment surface by scanning xrf (itrax)) earth science/paleoclimate/paleolimnology (age,null,null,calendar year before present,null,paleolimnology,null,null,N,null) earth science/paleoclimate/paleolimnology (water content,sediment,null,weight percent,null,paleolimnology,null,null,N,null) earth science/paleoclimate/paleolimnology (calcium,sediment,null,count per second,null,paleolimnology,null,energy-dispersive x-ray fluorescence spectroscopy,N,measured on fresh sediment surface by scanning xrf (itrax)) earth science/paleoclimate/paleolimnology earth science/paleoclimate/paleolimnology earth science/paleoclimate/paleolimnology earth science/paleoclimate/paleolimnology (Sikuiui Lake>LATITUDE 70.21106>LONGITUDE -51.12485) Recent observations indicate that ice-ocean interaction drives much of the recent increase in mass loss from the Greenland Ice Sheet; however, the role of ocean forcing in driving past glacier change is poorly understood. To extend the observational record and our understanding of the ocean-cryosphere link, we used a multi-proxy approach that combines new data from proglacial lake sediments, 14C-dated in situ moss that recently emerged from beneath cold-based ice caps, and 10Be ages to reconstruct centennial-scale records of mountain glacier activity for the past ~10 k.y. in West Greenland. Proglacial lake sediment records and 14C dating of moss indicate the onset of Neoglaciation in West Greenland at ca. 5 ka with substantial snowline lowering and glacier expansion at ca. 3.7 ka followed by additional ice expansion phases at ca. 2.9, ca. 1.7, and ca. 1.4 ka and during the Little Ice Age. We find that widespread glacier growth at ca. 3.7 ka in West Greenland coincides with marked cooling and reduced strength of the West Greenland Current in Disko Bugt. The transition to cooler ocean conditions at ca. 3.7 ka identified in Disko Bugt is registered by marine proxy data farther afield in East Greenland and on the northwestern Icelandic shelf, implying large-scale paleoceanographic changes across the North Atlantic during this interval. The similarity between glacier change on West Greenland and multiple marine and terrestrial records across the North Atlantic suggests that glaciers are strongly influenced by changes in ocean circulation and consequently implies that the ocean-cryosphere teleconnection is a persistent feature of the Arctic system. STUDY NOTES: Sediment physical properties (LOI, MS, ITRAX XRF) data from core 13MCR-D3, Sikuiui Lake, Nuussuaq, western Greenland for the past 9,400 years, plus glacier-killed vegetation data from West Greenland NCDC-Paleoclimatology https://www.ncdc.noaa.gov/data-access/paleoclimatology-data - Bauer Bruce Investigator : Schweinsberg, A.D. Investigator : Briner, J.P. Investigator : Miller, G.H. Investigator : Bennike, O. Investigator : Thomas, E.K. 2017-01-09 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/21410 https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/greenland/sikuiui2017loi.txt https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/greenland/sikuiui2017moss.txt https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/greenland/sikuiui2017xrf.txt https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/greenland/sikuiui2017loi.txt https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/greenland/sikuiui2017moss.txt https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/greenland/sikuiui2017xrf.txt English https://www.ncdc.noaa.gov/paleo/study/21410 https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/greenland/sikuiui2017loi.txt https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/greenland/sikuiui2017moss.txt https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/greenland/sikuiui2017xrf.txt Avriel D. Schweinsberg, Jason P. Briner, Gifford H. Miller, Ole Bennike, and Elizabeth K. Thomas2017Local glaciation in West Greenland linked to North Atlantic Ocean circulation during the Holocene Geology10.1130/G38114.1http://geology.gsapubs.org/content/early/2017/01/09/G38114.1.abstract START YEAR: 9433 cal yr BP * END YEAR: 82 cal yr BP -51.12485 70.21106 -51.12485 70.21106