Briffa et al. 2001 N. Hemisphere and Regional Temperature Reconstructions Briffa, K.R.; Jones, P.D.; Schweingruber, F.H.; Osborn, T.J.; Shiyatov, S.G.; Vaganov, E.A.; Harris, I.C. Briffa, K.R. Jones, P.D. Schweingruber, F.H. Osborn, T.J. Shiyatov, S.G. Vaganov, E.A. Harris, I.C. Air Temperature Reconstruction earth science/paleoclimate/climate reconstructions|tree ring (age,null,null,year Common Era,null,climate reconstructions|tree ring,null,null,N,null) earth science/paleoclimate/climate reconstructions|tree ring (surface air temperature,ring density,null,degree Celsius,Apr-Sep,climate reconstructions|tree ring,anomalized,null,N,based on latewood density; reference period: 1961-1990 A.D.; recalibrated Briffa et al. (2001) J Geophys Res) earth science/paleoclimate/climate reconstructions|tree ring (surface air temperature,ring density,null,degree Celsius,Apr-Sep,climate reconstructions|tree ring,anomalized,regression analysis,N,based on latewood density; reference period: 1961-1990 A.D.; calibration data set: Jones et al. 1999; simple linear regression) earth science/paleoclimate/climate reconstructions (surface air temperature,null,null,degree Celsius,Apr-Sep,climate reconstructions,anomalized,null,N,reference period: 1961-1990 A.D.; recalibrated Briffa (2000) Quat Sci Rev) earth science/paleoclimate/climate reconstructions (surface air temperature,null,null,degree Celsius,Apr-Sep,climate reconstructions,anomalized,null,N,reference period: 1961-1990 A.D.; recalibrated Mann et al. (1999) Geophys Res Lett) earth science/paleoclimate/instrumental (surface air temperature,null,null,degree Celsius,Apr-Sep,instrumental,anomalized,null,N,Observed temperatures from Jones et al. (1999) Rev Geophys) earth science/paleoclimate/climate reconstructions (surface air temperature,null,null,degree Celsius,Apr-Sep,climate reconstructions,anomalized,null,N,reference period: 1961-1990 A.D.; recalibrated Overpeck et al. (1997) Science) earth science/paleoclimate/climate reconstructions (surface air temperature,null,null,degree Celsius,Apr-Sep,climate reconstructions,anomalized,null,N,reference period: 1961-1990 A.D.; recalibrated Jones et al. (1998) Holocene) earth science/paleoclimate/climate reconstructions (surface air temperature,null,null,degree Celsius,Apr-Sep,climate reconstructions,anomalized,null,N,reference period: 1961-1990 A.D.; recalibrated Crowley & Lowery (2000) Ambio) earth science/paleoclimate/reconstructions (Northern Hemisphere>LATITUDE >LONGITUDE ) Records of past temperature, precipitation, and other climate variables derived from paleoclimate proxies. 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. NCDC-Paleoclimatology https://www.ncdc.noaa.gov/data-access/paleoclimatology-data - Bauer Bruce Investigator : Briffa, K.R. Investigator : Jones, P.D. Investigator : Schweingruber, F.H. Investigator : Osborn, T.J. Investigator : Shiyatov, S.G. Investigator : Vaganov, E.A. Investigator : Harris, I.C. 2002-07-01 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/6274 https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/n_hem_temp/briffa2001jgr3.txt https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/n_hem_temp/briffa2001jgr2.txt https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/n_hem_temp/readme_briffa2001.txt https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/n_hem_temp/briffa2001jgr3.txt https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/n_hem_temp/briffa2001jgr2.txt https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/n_hem_temp/readme_briffa2001.txt English https://www.ncdc.noaa.gov/paleo/study/6274 https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/n_hem_temp/briffa2001jgr3.txt https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/n_hem_temp/briffa2001jgr2.txt https://www1.ncdc.noaa.gov/pub/data/paleo/treering/reconstructions/n_hem_temp/readme_briffa2001.txt START YEAR: 1000 AD * END YEAR: 1997 AD -180 0 180 90