noaa-lake-5491 Elk Lake, Minnesota: Evidence for Rapid Climate Change in the north central United States Anderson, R.Y.; Dean, W.E. Elk Lake, Minnesota: Evidence for Rapid Climate Change in the north central United States 1993-07-01 NCDC-Paleoclimatology ONLINE Files Pending https://www.ncdc.noaa.gov/paleo/study/5491 Investigator R.Y. Anderson Investigator W.E. Dean earth science paleoclimate paleolimnology feldspar group,sediment,null,dimensionless,null,paleolimnology,null,x-ray diffraction,N,28 degree peak; relative reflectance value earth science paleoclimate paleolimnology depth at sample end,null,null,millimeter,null,paleolimnology,null,null,N,null earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Fragilaria vaucheriae earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Fragilaria brevistriata earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Aulacoseira granulata earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Aulacoseira ambigua earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Navicula oblonga earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Navicula radiosa earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Nitzschia amphibia earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Nitzschia perminuta earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Epithemia sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Synedra parasitica earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Achnanthes sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Achnanthes minutissima earth science paleoclimate paleolimnology sodium,sediment,null,percent,null,paleolimnology,null,carbon coulometry,N,null earth science paleoclimate paleolimnology titanium,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology barium,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology niobium,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology vanadium,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology rhodochrosite,sediment,null,dimensionless,null,paleolimnology,null,x-ray diffraction,N,relative reflectance value earth science paleoclimate paleolimnology carotenoid,sediment,null,relative unit,null,paleolimnology,null,spectrophotometry,N,absorbance units/g organic matter earth science paleoclimate paleolimnology age,null,null,calendar year before present,null,paleolimnology,null,null,N,before present = 1927 AD earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Navicula sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Neidium sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Cocconeis sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Asterionella formosa earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Amphora sp. earth science paleoclimate paleolimnology calcium carbonate,sediment,null,percent,null,paleolimnology,null,elemental analysis,N,null earth science paleoclimate paleolimnology boron,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology nickel,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology lead,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology yttrium,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology dolomite,sediment,null,dimensionless,null,paleolimnology,null,x-ray diffraction,N,relative reflectance value earth science paleoclimate paleolimnology organic matter,sediment,null,weight percent,null,paleolimnology,null,loss on ignition,N,LOI at 550 degrees C earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Fragilaria construens earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Fragilaria capucina earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Hantzschia sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Navicula cryptocephala earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Diploneis sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Entomoneis alata earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Cyclotella ocellata earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Cyclotella comta earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Cymbella cistula earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Synedra sp. earth science paleoclimate paleolimnology sulfur,sediment,null,percent,null,paleolimnology,null,elemental analysis,N,null earth science paleoclimate paleolimnology feldspar group,sediment,null,dimensionless,null,paleolimnology,null,x-ray diffraction,N,27 degree peak; relative reflectance value earth science paleoclimate paleolimnology carotenoid,sediment,null,relative unit,null,paleolimnology,null,spectrophotometry,N,absorbance units/g organic matter; hypophasic carotenoids earth science paleoclimate paleolimnology silicon,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology silicon dioxide,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Gomphonema sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Aulacoseira italica earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Rhopalodia gibba earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Stephanodiscus minutulus earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Synedra cyclopum earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Amphora perpusilla earth science paleoclimate paleolimnology copper,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology organic carbon,sediment,null,percent,null,paleolimnology,null,null,N,null earth science paleoclimate paleolimnology oxygen index,sediment,null,dimensionless,null,paleolimnology,null,rock eval pyrolysis,N,S3 peak normalized to the Corg content of the sample (mgC02 /g Corg) earth science paleoclimate paleolimnology calcium oxide,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology phosphorus pentoxide,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Fragilaria crotonensis earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Cymbella minuta earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Synedra rumpens earth science paleoclimate paleolimnology aluminum,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology molybdenum,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology scandium,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology zirconium,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology delta 18O,calcium carbonate,null,per mil PDB,null,paleolimnology,null,isotope ratio mass spectrometry,N,null earth science paleoclimate paleolimnology hydrogen index,sediment,null,dimensionless,null,paleolimnology,null,rock eval pyrolysis,N,the Si peak normalized to the organic carbon (Corg) content of the sample (mgHC/gCorg) earth science paleoclimate paleolimnology quartz,sediment,null,dimensionless,null,paleolimnology,null,x-ray diffraction,N,relative reflectance value earth science paleoclimate paleolimnology iron(III) oxide,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology potassium,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Mastogloia sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Cyclotella michiganiana earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Cymbella sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Cymatopleura sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Synedra ulna earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Synedra acus earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Tabellaria fenestrata earth science paleoclimate paleolimnology cobalt,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology delta 13C,calcium carbonate,null,per mil PDB,null,paleolimnology,null,isotope ratio mass spectrometry,N,null earth science paleoclimate paleolimnology calcite,sediment,null,dimensionless,null,paleolimnology,null,x-ray diffraction,N,relative reflectance value earth science paleoclimate paleolimnology aluminum oxide,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology potassium oxide,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology manganese oxide,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology titanium dioxide,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology depth at sample start,null,null,millimeter,null,paleolimnology,null,null,N,null earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Fragilaria pinnata earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Fragilaria sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Eunotia sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Nitzschia sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Opephora sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Stephanodiscus alpinus earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Cyclotella kuetzingiana earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Denticula sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Amphora ovalis earth science paleoclimate paleolimnology magnesium,sediment,null,percent,null,paleolimnology,null,carbon coulometry,N,null earth science paleoclimate paleolimnology manganese,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology lanthanum,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology strontium,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology delta 13C,organic matter,null,per mil PDB,null,paleolimnology,null,isotope ratio mass spectrometry,N,null earth science paleoclimate paleolimnology aragonite,sediment,null,dimensionless,null,paleolimnology,null,x-ray diffraction,N,relative reflectance value earth science paleoclimate paleolimnology carbonate,sediment,null,weight percent,null,paleolimnology,null,loss on ignition,N,LOI at 900 degrees C earth science paleoclimate paleolimnology chlorophyll,sediment,null,relative unit,null,paleolimnology,null,spectrophotometry,N,absorbance units/g organic matter earth science paleoclimate paleolimnology carotenoid,sediment,null,relative unit,null,paleolimnology,null,spectrophotometry,N,absorbance units/g organic matter; epiphasic carotenoids earth science paleoclimate paleolimnology chlorophyll,sediment,null,relative unit,null,paleolimnology,null,spectrophotometry,N,absorbance units/g organic matter; bacterial chlorophyll earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Stauroneis sp. earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Stephanodiscus niagarae earth science paleoclimate paleolimnology identified diatom,sediment,null,percent,null,paleolimnology,null,null,N,Surirella sp. earth science paleoclimate paleolimnology organic carbon,sediment,null,percent,null,paleolimnology,null,elemental analysis,N,null earth science paleoclimate paleolimnology carbon,sediment,null,percent,null,paleolimnology,null,elemental analysis,N,null earth science paleoclimate paleolimnology iron,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology chromium,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology zinc,sediment,null,parts per million,null,paleolimnology,null,inductively-coupled plasma atomic emission spectroscopy,N,null earth science paleoclimate paleolimnology calcium,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology phosphorus,sediment,null,percent,null,paleolimnology,null,x-ray fluorescence spectroscopy,N,null earth science paleoclimate paleolimnology oxygen isotopes earth science paleoclimate paleolimnology population abundance earth science paleoclimate paleolimnology geochemistry earth science paleoclimate paleolimnology mineralogy earth science paleoclimate paleolimnology lake level geoscientificInformation 10110 cal yr BP 7 cal yr BP Complete 45.86694 45.86694 -95.80361 -95.80361 Continent North America United States Of America Minnesota Elk Lake>LATITUDE 45.86694>LONGITUDE -95.80361 None Please cite original publication, online resource, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, title, online resource, and date accessed. The appearance of external links associated with a dataset does not constitute endorsement by the Department of Commerce/National Oceanic and Atmospheric Administration of external Web sites or the information, products or services contained therein. For other than authorized activities, the Department of Commerce/NOAA does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this Department of Commerce/NOAA Web site. English DOC/NOAA/NESDIS/NCEI National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce https://www.ncdc.noaa.gov/data-access/paleoclimatology-data DATA Center Contact Bruce Bauer bruce.a.bauer@noaa.gov paleo@noaa.gov 303-497-6280 303-497-6513

325 Broadway, E/NE31

Boulder CO 80305-3328 USA online ASCII Anderson, R.Y.. 1993. Elk Lake, Minnesota: Evidence for Rapid Climate Change in the north central United States. Geological Society of America Special Paper 276

Records of past climate and environment derived from lake sediment records. Parameter keywords describe what was measured in this data set. Additional summary information can be found in the abstracts of papers listed in the data set citations.

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