Arctic Holocene Proxy Climate Database Sundqvist, H.; Kaufman, D.S.; McKay, N.P.; Balascio, N.L.; Briner, J.P.; Cwynar, L.C.; Sejrup, H.P.; Seppä, H.; Subetto, D.A.; Andrews, J.T.; Axford, Y.; Bakke, J.; Birks, H.J.B.; Brooks, S.J.; de Vernal, A.; Jennings, A.E.; Ljungqvist, F.C.; Rühland, K.M.; Saenger, C.P.; Smol, J.P.; Viau, A.E. Sundqvist, H. Kaufman, D.S. McKay, N.P. Balascio, N.L. Briner, J.P. Cwynar, L.C. Sejrup, H.P. Seppä, H. Subetto, D.A. Andrews, J.T. Axford, Y. Bakke, J. Birks, H.J.B. Brooks, S.J. de Vernal, A. Jennings, A.E. Ljungqvist, F.C. Rühland, K.M. Saenger, C.P. Smol, J.P. Viau, A.E. 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weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,KP2; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|paleolimnology,null,regression analysis,N,njakajaure; weighted-averaging partial least-squares regression) earth science/paleoclimate/ice cores (melt,bulk ice,null,percent,null,ice cores,null,null,N,agassiz) earth science/paleoclimate/paleolimnology (organic matter,sediment,null,percent,null,paleolimnology,null,null,N,hallet) earth science/paleoclimate/paleolimnology (biogenic silica,sediment,null,milligram per gram,null,paleolimnology,null,null,N,hallet) earth science/paleoclimate/paleolimnology (delta 18O,diatom,null,per mil,null,paleolimnology,null,null,N,mica) earth science/paleoclimate/paleolimnology (biogenic silica,sediment,null,percent,null,paleolimnology,null,null,N,N14) earth science/paleoclimate/paleolimnology (mineral matter,sediment,null,percent,null,paleolimnology,null,null,N,naujg1) earth science/paleoclimate/paleolimnology (delta 18O,calcium carbonate,null,per mil PDB,null,paleolimnology,null,null,N,igelsjon; 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weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,annual,climate reconstructions|pollen,null,regression analysis,N,trehorningen; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|insect|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|insect|paleolimnology,null,regression analysis,N,tsuolbmajavri; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|insect|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|insect|paleolimnology,null,regression analysis,N,vuoskkujavri; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|paleolimnology,null,regression analysis,N,vuoskkujavri; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|paleoceanography (sea ice cover,null,null,month,annual,climate reconstructions|paleoceanography,null,modern analogue technique,N,2005-804; 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axis #1 of diatom assemblage) earth science/paleoclimate/paleolimnology (canonical correspondence analysis axis,null,null,dimensionless,null,paleolimnology,null,null,N,SS49; axis #1 of diatom assemblage) earth science/paleoclimate/paleolimnology (delta 18O,null,null,per mil PDB,null,paleolimnology,null,null,N,tibetanus) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,svanavatnet; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,toskaljavri; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,annual,climate reconstructions|pollen,null,regression analysis,N,tsuolbmajavri; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,annual,climate reconstructions|pollen,null,regression analysis,N,vuoskkujavri; 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Est_ML) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,JM96-1207) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,JM96-1207) earth science/paleoclimate/climate reconstructions|paleoceanography (sea ice cover,null,null,month,annual,climate reconstructions|paleoceanography,null,modern analogue technique,N,MSM05-712; months per year) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,MSM05-712) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,annual,climate reconstructions|pollen,null,null,N,dolgoe) earth science/paleoclimate/climate reconstructions|insect|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|insect|paleolimnology,null,regression analysis,N,kharinei; 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months per year) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,annual,climate reconstructions|pollen,null,modern analogue technique,N,honeymoon) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,annual,climate reconstructions|pollen,null,modern analogue technique,N,meleze) earth science/paleoclimate/climate reconstructions|paleoceanography (sea ice cover,null,null,dimensionless,annual,climate reconstructions|paleoceanography,null,modern analogue technique,N,"P1B3; sea ice concentration, ranges from 0-10") earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,P1B3) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,HU84) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,HU84) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,HU84) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,HU90) earth science/paleoclimate/climate reconstructions|paleoceanography (sea ice cover,null,null,month,annual,climate reconstructions|paleoceanography,null,modern analogue technique,N,HU91; months per year) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,HU91) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,MD99-2227) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,MD99-2227) earth science/paleoclimate/climate reconstructions|insect|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|insect|paleolimnology,null,regression analysis,N,berkut; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,modern analogue technique,N,chuna) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,grostjorn; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (growing degree days,null,null,degree Celsius,summer,climate reconstructions|pollen,null,null,N,gunnarsfjorden) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,warmest month,climate reconstructions|pollen,null,null,N,gunnarsfjorden) earth science/paleoclimate/climate reconstructions|insect|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|insect|paleolimnology,null,regression analysis,N,oykjamyrtjorn; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|insect|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|insect|paleolimnology,null,regression analysis,N,ratasjoen; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|paleolimnology,null,regression analysis,N,sjuuodjijaure; weighted-averaging partial least-squares regression) earth science/paleoclimate/ice cores (delta 18O,bulk ice,null,per mil,null,ice cores,null,null,N,logan) earth science/paleoclimate/ice cores (delta 18O,bulk ice,null,per mil SMOW,null,ice cores,null,null,N,Dye3) earth science/paleoclimate/paleolimnology (biogenic silica,sediment,null,percent,null,paleolimnology,null,null,N,lonespruce) earth science/paleoclimate/insect|paleolimnology (canonical correspondence analysis axis,null,null,standard deviation unit,null,insect|paleolimnology,null,null,N,hjort; axis #1 of chironomid assemblage) earth science/paleoclimate/paleolimnology (organic matter,sediment,null,percent,null,paleolimnology,null,null,N,jarburvatnet) earth science/paleoclimate/paleolimnology (delta 18O,diatom,null,per mil,null,paleolimnology,null,null,N,lake850) earth science/paleoclimate/paleolimnology (biogenic silica,sediment,null,percent,null,paleolimnology,null,null,N,KR02) earth science/paleoclimate/paleolimnology (delta 18O,cellulose,null,per mil VSMOW,null,paleolimnology,null,null,N,whatever) earth science/paleoclimate/paleolimnology (principal component,null,null,dimensionless,null,paleolimnology,null,null,N,hvitarvatn; axis #1 multiple proxies) earth science/paleoclimate/paleoceanography (ice proxy with 25 carbon atoms,sediment,null,microgram per square centimeter per year,null,paleoceanography,null,null,N,PS2641) earth science/paleoclimate/climate reconstructions|speleothems (temperature,null,null,degree Celsius,annual,climate reconstructions|speleothems,null,null,N,soylegrotta; speleothem delta function) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,annual,climate reconstructions|pollen,null,regression analysis,N,svanavatnet; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,svartvatnet; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,tiavatnet; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,2005-804) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,JM96-1207) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,JM96-1207) earth science/paleoclimate/climate reconstructions|paleoceanography (sea surface temperature,null,null,degree Celsius,annual,climate reconstructions|paleoceanography,null,null,N,JR51-GC35) earth science/paleoclimate/climate reconstructions|paleoceanography (sea water temperature,null,null,degree Celsius,annual,climate reconstructions|paleoceanography,null,null,N,malangen; deepwater temperature) earth science/paleoclimate/climate reconstructions|paleoceanography (sea surface temperature,null,null,degree Celsius,Aug,climate reconstructions|paleoceanography,null,regression analysis,N,MD95-2011; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|paleoceanography (sea surface temperature,null,null,degree Celsius,annual,climate reconstructions|paleoceanography,null,null,N,MD95-2011; Prahl 1987 calibration) earth science/paleoclimate/climate reconstructions|paleoceanography (sea water temperature,null,null,degree Celsius,annual,climate reconstructions|paleoceanography,null,null,N,MD99-2256; deepwater temperature) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,MSM05-712) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,null,N,dolgoe) earth science/paleoclimate/climate reconstructions|paleoceanography (sea ice cover,null,null,dimensionless,annual,climate reconstructions|paleoceanography,null,modern analogue technique,N,"GGC19; 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sea ice concentration, ranges from 0-10") earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,null,N,jake) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,LS009) earth science/paleoclimate/climate reconstructions|paleoceanography (sea ice cover,null,null,month,annual,climate reconstructions|paleoceanography,null,modern analogue technique,N,MD99-2227; months per year) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,MD99-2227) earth science/paleoclimate/climate reconstructions|pollen (surface downwelling shortwave radiation,null,unspecified error lower bound,dimensionless,Jun-Sep,climate reconstructions|pollen,null,modern analogue technique,N,qipisargo; 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weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,myrvatn; weighted-averaging partial least-squares regression) earth science/paleoclimate/ice cores (delta 18O,bulk ice,null,per mil SMOW,null,ice cores,null,null,N,century) earth science/paleoclimate/climate reconstructions|paleolimnology (age,null,null,calendar year before present,null,climate reconstructions|paleolimnology,null,null,N,null) earth science/paleoclimate/paleolimnology (delta 18O,calcium carbonate,null,per mil,null,paleolimnology,null,null,N,jellybean; calcite) earth science/paleoclimate/paleolimnology (delta 18O,diatom,null,per mil,null,paleolimnology,null,null,N,chuna) earth science/paleoclimate/paleolimnology (humification index,peat,null,dimensionless,null,paleolimnology,null,null,N,kortlanda) earth science/paleoclimate/paleolimnology (humification index,peat,null,dimensionless,null,paleolimnology,null,null,N,sellevollmyra) earth science/paleoclimate/paleolimnology (delta 18O,cellulose,null,per mil VSMOW,null,paleolimnology,null,null,N,spaime) earth science/paleoclimate/paleolimnology (principal component,null,null,dimensionless,null,paleolimnology,null,null,N,haukdalsvatn; axis #1 multiple proxies) earth science/paleoclimate/paleoceanography (ice proxy with 25 carbon atoms,sediment,null,microgram per square centimeter per year,null,paleoceanography,null,null,N,ARC4) earth science/paleoclimate/paleoceanography (delta 18O,null,null,per mil,null,paleoceanography,null,null,N,MD99-2322) earth science/paleoclimate/paleoceanography (delta 18O,null,null,per mil,null,paleoceanography,null,null,N,P1003) earth science/paleoclimate/climate reconstructions|insect|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|insect|paleolimnology,null,regression analysis,N,spaime; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,coldest month,climate reconstructions|pollen,null,modern analogue technique,N,ennadai) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,annual,climate reconstructions|pollen,null,regression analysis,N,KR02; partial least squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,KR02; partial least squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,KR02; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|paleoceanography (sea surface temperature,null,null,degree Celsius,summer,climate reconstructions|paleoceanography,null,null,N,GIK23258; foram) earth science/paleoclimate/climate reconstructions|paleoceanography (sea surface temperature,null,null,degree Celsius,null,climate reconstructions|paleoceanography,null,null,N,RAPID-12) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,PL-96) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,PL-96) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,PL-96) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,GGC19) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,coldest month,climate reconstructions|pollen,null,modern analogue technique,N,hail) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,warmest month,climate reconstructions|pollen,null,modern analogue technique,N,honeymoon) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,annual,climate reconstructions|pollen,null,modern analogue technique,N,ranger) earth science/paleoclimate/climate reconstructions|insect|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|insect|paleolimnology,null,regression analysis,N,trout; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (surface downwelling shortwave radiation,null,null,dimensionless,Jun-Sep,climate reconstructions|pollen,null,modern analogue technique,N,akvaqiak; sunshine index) earth science/paleoclimate/climate reconstructions|pollen (surface downwelling shortwave radiation,null,unspecified error lower bound,dimensionless,Jun-Sep,climate reconstructions|pollen,null,modern analogue technique,N,akvaqiak; sunshine index) earth science/paleoclimate/climate reconstructions|paleoceanography (sea ice cover,null,null,month,annual,climate reconstructions|paleoceanography,null,modern analogue technique,N,LS009; months per year) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,LS009) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,LS009) earth science/paleoclimate/climate reconstructions|paleoceanography (sea ice cover,null,null,dimensionless,annual,climate reconstructions|paleoceanography,null,modern analogue technique,N,"MD99-2227; sea ice concentration, ranges from 0-10") earth science/paleoclimate/climate reconstructions|pollen (surface downwelling shortwave radiation,null,null,dimensionless,Jun-Sep,climate reconstructions|pollen,null,modern analogue technique,N,qipisargo; sunshine index) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,summer,climate reconstructions|pollen,null,null,N,gunnarsfjorden) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,holebudalen; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,kinnshaugen; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|paleolimnology,null,regression analysis,N,lake850; weighted-averaging partial least-squares regression) earth science/paleoclimate/ice cores (delta 18O,bulk ice,null,per mil SMOW,null,ice cores,null,null,N,devon) earth science/paleoclimate/ice cores (delta 18O,bulk ice,null,per mil,null,ice cores,null,null,N,penny) earth science/paleoclimate/paleolimnology (biogenic silica,sediment,null,percent,null,paleolimnology,null,null,N,kusawa) earth science/paleoclimate/paleolimnology (organic matter,sediment,null,percent,null,paleolimnology,null,null,N,SP02) earth science/paleoclimate/paleolimnology (mineral matter,sediment,null,gram per square centimeter per year,null,paleolimnology,null,null,N,SS8) earth science/paleoclimate/paleolimnology (delta 18O,cellulose,null,per mil,null,paleolimnology,null,null,N,saarikko) earth science/paleoclimate/paleoceanography (ice proxy with 25 carbon atoms,sediment,null,microgram per square centimeter per year,null,paleoceanography,null,null,N,ARC5) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,trettetjorn; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,warmest month,climate reconstructions|pollen,null,modern analogue technique,N,meleze) earth science/paleoclimate/paleolimnology (alkenone unsaturation index Uk37 prime,null,null,dimensionless,null,paleolimnology,null,null,N,braya_so) earth science/paleoclimate/climate reconstructions|insect|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|insect|paleolimnology,null,regression analysis,N,sjuuodjijaure; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|paleolimnology,null,regression analysis,N,tsuolbmajavri; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,vuoskkujavri; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,modern analogue technique,N,JR01) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,annual,climate reconstructions|pollen,null,modern analogue technique,N,LR01) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,coldest month,climate reconstructions|pollen,null,modern analogue technique,N,LR01) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,null,climate reconstructions|paleoceanography,null,null,N,MD99-2322) earth science/paleoclimate/climate reconstructions|paleoceanography (sea surface temperature,null,null,degree Celsius,null,climate reconstructions|paleoceanography,null,regression analysis,N,Troll28-03; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,warmest month,climate reconstructions|pollen,null,modern analogue technique,N,bells) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,annual,climate reconstructions|pollen,null,modern analogue technique,N,candelabra) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,GGC19) earth science/paleoclimate/climate reconstructions|paleoceanography (sea ice cover,null,null,dimensionless,annual,climate reconstructions|paleoceanography,null,modern analogue technique,N,"HLY0501; sea ice concentration, ranges from 0-10") earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,HLY0501) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,coldest month,climate reconstructions|pollen,null,modern analogue technique,N,meleze) earth science/paleoclimate/climate reconstructions|insect|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|insect|paleolimnology,null,regression analysis,N,screaminglynx; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,annual,climate reconstructions|pollen,null,modern analogue technique,N,upper_fly) earth science/paleoclimate/climate reconstructions|paleoceanography (sea ice cover,null,null,dimensionless,annual,climate reconstructions|paleoceanography,null,modern analogue technique,N,"LS009; sea ice concentration, ranges from 0-10") earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,MD99-2227) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,modern analogue technique,N,qipisargo) earth science/paleoclimate/climate reconstructions|paleolimnology (equilibrium line altitude,null,null,millimeter,annual,climate reconstructions|paleolimnology,null,null,N,dravladalsvatn) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,gammelheimvatnet; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,winter,climate reconstructions|pollen,null,null,N,gunnarsfjorden) earth science/paleoclimate/climate reconstructions|insect|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|insect|paleolimnology,null,regression analysis,N,lake850; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,reiarsdalsvatnet; weighted-averaging partial least-squares regression) earth science/paleoclimate/ice cores (delta 18O,bulk ice,null,per mil SMOW,null,ice cores,null,null,N,NGRIP) earth science/paleoclimate/paleolimnology (volume magnetic susceptibility,sediment,null,dimensionless (CGS system),null,paleolimnology,null,null,N,big_round; max) earth science/paleoclimate/paleolimnology (organic matter,sediment,null,percent,null,paleolimnology,null,null,N,sfl4-1) earth science/paleoclimate/paleolimnology (humification index,peat,null,dimensionless,null,paleolimnology,null,null,N,stomyren) earth science/paleoclimate/paleoceanography (total ice diatoms,null,null,percent,null,paleoceanography,null,null,N,DA05) earth science/paleoclimate/paleoceanography (ice proxy with 25 carbon atoms,sediment,null,microgram per square centimeter per year,null,paleoceanography,null,null,N,MSM05-712) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jan,climate reconstructions|pollen,null,regression analysis,N,svanavatnet; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,tibetanus; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|tree ring (temperature,null,null,degree Celsius,Jun-Aug,climate reconstructions|tree ring,null,null,N,tornetrask) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,yarnyshnoe; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,2005-804) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,Aug,climate reconstructions|paleoceanography,null,regression analysis,N,LO09; 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sea ice concentration, ranges from 0-10") earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,HU91) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,HU91) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,null,N,iglutalik) earth science/paleoclimate/climate reconstructions|insect|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|insect|paleolimnology,null,modern analogue technique,N,north) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,unspecified error upper bound,degree Celsius,Jul,climate reconstructions|pollen,null,modern analogue technique,N,qipisargo) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,annual,climate reconstructions|pollen,null,regression analysis,N,arapisto; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,austerkjosen; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (actual/potential evapotranspiration,null,null,dimensionless,annual,climate reconstructions|pollen,null,null,N,gunnarsfjorden) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,coldest month,climate reconstructions|pollen,null,null,N,gunnarsfjorden) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,isbenttjonn; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|insect|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|insect|paleolimnology,null,regression analysis,N,njulla; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,oykjamyrtjorn; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,annual,climate reconstructions|pollen,null,regression analysis,N,raigastvere; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,Jul,climate reconstructions|pollen,null,regression analysis,N,sjuuodjijaure; weighted-averaging partial least-squares regression) earth science/paleoclimate/ice cores (delta 18O,bulk ice,null,per mil,null,ice cores,null,null,N,renland) earth science/paleoclimate/climate reconstructions|paleolimnology (depth,null,null,centimeter,null,climate reconstructions|paleolimnology,null,null,N,null) earth science/paleoclimate/paleolimnology (organic matter,sediment,null,percent,null,paleolimnology,null,null,N,greyling) earth science/paleoclimate/paleolimnology (accumulation rate,sediment,null,gram per square centimeter per year,null,paleolimnology,null,null,N,wolverine) earth science/paleoclimate/paleolimnology (biogenic silica,sediment,null,percent,null,paleolimnology,null,null,N,north) earth science/paleoclimate/paleolimnology (accumulation rate,sediment,null,gram per square centimeter per year,null,paleolimnology,null,null,N,Fiskebolvatnet) earth science/paleoclimate/paleolimnology (anhysteretic remanent magnetization/isothermal remanent magnetization,sediment,null,dimensionless,null,paleolimnology,null,null,N,anhysteretic remanent magnetization/isothermal remanent magnetization) earth science/paleoclimate/paleolimnology (delta 18O,cellulose,null,per mil,null,paleolimnology,null,null,N,dolgoe) earth science/paleoclimate/paleoceanography (ice proxy with 25 carbon atoms,sediment,null,microgram per square centimeter per year,null,paleoceanography,null,null,N,ARC3) earth science/paleoclimate/paleoceanography (delta 18O,null,null,per mil,null,paleoceanography,null,null,N,MD99-2317) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,annual,climate reconstructions|pollen,null,regression analysis,N,tibetanus; 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weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,unspecified error upper bound,degree Celsius,Jul,climate reconstructions|pollen,null,modern analogue technique,N,akvaqiak) earth science/paleoclimate/climate reconstructions|paleoceanography (sea ice cover,null,null,month,annual,climate reconstructions|paleoceanography,null,modern analogue technique,N,HU84; months per year) earth science/paleoclimate/climate reconstructions|paleoceanography (salinity,sea surface,null,practical salinity unit,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,HU90) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,winter,climate reconstructions|paleoceanography,null,modern analogue technique,N,HU90) earth science/paleoclimate/climate reconstructions|paleoceanography (temperature,null,null,degree Celsius,summer,climate reconstructions|paleoceanography,null,modern analogue technique,N,HU91) earth science/paleoclimate/climate reconstructions|pollen (precipitation,null,null,millimeter,annual,climate reconstructions|pollen,null,modern analogue technique,N,chuna) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,annual,climate reconstructions|pollen,null,regression analysis,N,Flarken; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,annual,climate reconstructions|pollen,null,null,N,gilltjarnen) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,annual,climate reconstructions|pollen,null,regression analysis,N,gloppsjon; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|pollen (temperature,null,null,degree Celsius,annual,climate reconstructions|pollen,null,regression analysis,N,nautajarvi; weighted-averaging partial least-squares regression) earth science/paleoclimate/climate reconstructions|paleolimnology (temperature,null,null,degree Celsius,Jul,climate reconstructions|paleolimnology,null,regression analysis,N,njulla; weighted-averaging partial least-squares regression) earth science/paleoclimate/ice cores (delta 18O,bulk ice,null,per mil SMOW,null,ice cores,null,null,N,GISP2) earth science/paleoclimate/ice cores (delta 18O,bulk ice,null,per mil SMOW,null,ice cores,null,null,N,GRIP) earth science/paleoclimate/paleolimnology (delta 18O,calcium carbonate,null,per mil,null,paleolimnology,null,null,N,takahula; calcite) earth science/paleoclimate/paleolimnology (mineral matter,sediment,null,gram per square centimeter per year,null,paleolimnology,null,null,N,SS1381) earth science/paleoclimate/paleolimnology (mass magnetic susceptibility,sediment,null,cubic meter per kilogram,null,paleolimnology,null,null,N,nattmalsvatn) earth science/paleoclimate/paleolimnology (principal component,null,null,dimensionless,null,paleolimnology,null,null,N,nerfloen; axis 1 of multiple proxies) earth science/paleoclimate/paleolimnology (principal component,null,null,dimensionless,null,paleolimnology,null,null,N,mjauvotn; axis #1 multiple proxies) earth science/paleoclimate/paleolimnology (total diatoms,null,null,count per gram,null,paleolimnology,null,null,N,sysy-kyuele; count*1000 g-1) earth science/paleoclimate/paleolimnology (Arctic2014Sundqvist>LATITUDE >LONGITUDE ) We present a systematic compilation of previously published Holocene proxy climate records from the Arctic. We identified 170 sites from north of 58N latitude where proxy time series extend back at least to 6 cal ka (all ages in this article are in calendar years before present – BP), are resolved at submillennial scale (at least one value every 400 ± 200 years) and have age models constrained by at least one age every 3000 years. In addition to conventional metadata for each proxy record (location, proxy type, reference), we include two novel parameters that add functionality to the database. First, "climate interpretation" is a series of fields that logically describe the specific climate variable(s) represented by the proxy record. It encodes the proxy-climate relation reported by authors of the original studies into a structured format to facilitate comparison with climate model outputs. Second, "geochronology accuracy score" (chron score) is a numerical rating that reflects the overall accuracy of 14C-based age models from lake and marine sediments. Chron scores were calculated using the original author-reported 14C ages, which are included in this database. The database contains 320 records (some sites include multiple records) from six regions covering the circumpolar Arctic: Fennoscandia is the most densely sampled region (31% of the records), whereas only five records from the Russian Arctic met the criteria for inclusion. The database contains proxy records from lake sediment (60%), marine sediment (32%), glacier ice (5%), and other sources. Most (61%) reflect temperature (mainly summer warmth) and are primarily based on pollen, chironomid, or diatom assemblages. Many (15%) reflect some aspect of hydroclimate as inferred from changes in stable isotopes, pollen and diatom assemblages, humification index in peat, and changes in equilibrium-line altitude of glaciers. This comprehensive database can be used in future studies to investigate the spatio-temporal pattern of Arctic Holocene climate changes and their causes. The Arctic Holocene data set is available from NOAA Paleoclimatology. STUDY NOTES: Holocene proxy climate records from the Arctic. Database consisting of 168 sites from north of 58°N, proxy data from lake sediments (60%), marine sediments (32%), glacier ice (5%), and other sources. Data are presented in 6 Excel files organized by region. Measured parameters include: alkenones, ARM/IRM, biogenic silica, bulk density, C & N, carbonate, chironomids, d13C.bulk_organics, d18O.calcite, d18O.cellulose, d18O.diatom, d18O.foram, d18O.ice, dD, diatoms, dinocysts, forams.pl, humification_index, ice_rafted_debris, ice.melt, IP25, magnetic_susceptibility, Mg/Ca.foram, MgCa.ostracodes, mineral.content, mineral.flux, OM.flux, pollen, sedimentation_rate, total_organic_carbon, varve.width. NCDC-Paleoclimatology https://www.ncdc.noaa.gov/data-access/paleoclimatology-data - Bauer Bruce Investigator : Sundqvist, H. Investigator : Kaufman, D.S. Investigator : McKay, N.P. Investigator : Balascio, N.L. Investigator : Briner, J.P. Investigator : Cwynar, L.C. Investigator : Sejrup, H.P. Investigator : Seppä, H. Investigator : Subetto, D.A. Investigator : Andrews, J.T. Investigator : Axford, Y. Investigator : Bakke, J. Investigator : Birks, H.J.B. Investigator : Brooks, S.J. Investigator : de Vernal, A. Investigator : Jennings, A.E. Investigator : Ljungqvist, F.C. Investigator : Rühland, K.M. Investigator : Saenger, C.P. Investigator : Smol, J.P. Investigator : Viau, A.E. 2014-01-03 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/15444 https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/arctic2014readme.txt https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/tables-1-2-s1-v2.xlsx https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/alaska-yukon-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/fennoscandia-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/mainland-canada-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/v1/ https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/north-atlantic-iceland-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/russian-arctic-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/canadian-islands-greenland-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/arctic2014readme.txt https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/tables-1-2-s1-v2.xlsx https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/alaska-yukon-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/fennoscandia-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/mainland-canada-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/v1/ https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/north-atlantic-iceland-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/russian-arctic-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/canadian-islands-greenland-v2.xls English https://www.ncdc.noaa.gov/paleo/study/15444 https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/arctic2014readme.txt https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/tables-1-2-s1-v2.xlsx https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/alaska-yukon-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/fennoscandia-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/mainland-canada-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/v1/ https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/north-atlantic-iceland-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/russian-arctic-v2.xls https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/arctic/canadian-islands-greenland-v2.xls H.S. Sundqvist, D.S. Kaufman, N.P. McKay, N.L. Balascio, J.P. Briner, L.C. Cwynar, H.P. Sejrup, H. Seppä, D.A. Subetto, J.T. Andrews, Y. Axford, J. Bakke, H.J.B. Birks, S.J. Brooks, A. de Vernal, A.E. Jennings, F.C. Ljungqvist, K.M. Rühland, C. Saenger, J.P. Smol, and A.E. Viau2014Arctic Holocene proxy climate database - new approaches to assessing geochronological accuracy and encoding climate variablesClimate of the Past101605-163110.5194/cp-10-1605-2014http://www.clim-past.net/10/1605/2014/cp-10-1605-2014.html START YEAR: 11000 cal yr BP * END YEAR: 0 cal yr BP -180 58 180 90