Hegerl et al. 2007 1500 Year N. Hemisphere Temperature Recons Hegerl, G.C.; Crowley, T.J.; Allen, M.; Hyde, W.T.; Pollack, H.N.; Smerdon, J.E.; Zorita, E. Hegerl, G.C. Crowley, T.J. Allen, M. Hyde, W.T. Pollack, H.N. Smerdon, J.E. Zorita, E. Air Temperature Reconstruction earth science/paleoclimate/climate forcing (greenhouse gas forcing,null,null,watt per square meter,null,climate forcing,anomalized,null,N,null) earth science/paleoclimate/climate reconstructions (temperature,null,null,degree Celsius,null,climate reconstructions,anomalized,null,N,null) earth science/paleoclimate/climate forcing (anthropogenic aerosol forcing,null,null,watt per square meter,null,climate forcing,anomalized,null,N,tropospheric aerosol forcing) earth science/paleoclimate/climate reconstructions (temperature,null,97.5% confidence interval lower bound,degree Celsius,null,climate reconstructions,anomalized,null,N,null) earth science/paleoclimate/climate reconstructions (temperature,null,97.5% confidence interval upper bound,degree Celsius,null,climate reconstructions,anomalized,null,N,null) earth science/paleoclimate/climate forcing (volcanic forcing,null,null,watt per square meter,null,climate forcing,anomalized,null,N,null) earth science/paleoclimate/climate forcing (solar irradiance,null,null,watt per square meter,null,climate forcing,anomalized,null,N,null) earth science/paleoclimate/climate reconstructions (age,null,null,year Common Era,null,climate reconstructions,null,null,N,null) 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 : Hegerl, G.C. Investigator : Crowley, T.J. Investigator : Allen, M. Investigator : Hyde, W.T. Investigator : Pollack, H.N. Investigator : Smerdon, J.E. Investigator : Zorita, E. 2007-07-01 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/8728 https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/hegerl2007/nh-temp-hegerl2007.txt https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/hegerl2007/nh-temp-hegerl2007.txt English https://www.ncdc.noaa.gov/paleo/study/8728 https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/hegerl2007/nh-temp-hegerl2007.txt START YEAR: 558 AD * END YEAR: 1960 AD -180 0 180 90