Usoskin et al. 2002, 2005, 2006 Cosmic Ray Intensity Reconstruction Usoskin, I.G.; Solanki, S.K.; Schuessler, M.; Mursula, K.; Alanko, K. Usoskin, I.G. Solanki, S.K. Schuessler, M. Mursula, K. Alanko, K. earth science/paleoclimate/climate forcing (age,null,null,year Common Era,null,climate forcing,null,null,N,null) earth science/paleoclimate/climate forcing (cosmic ray flux,null,null,count per year,null,climate forcing,null,null,N,reconstructed count rate of standard neutron monitor; units are 10^4 counts/year) earth science/paleoclimate/climate forcing (Global>LATITUDE >LONGITUDE ) Records of changes in solar irradiance, volcanic aerosols, atmospheric trace gases, and other properties thought to influence climate in the past. 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 : Usoskin, I.G. Investigator : Solanki, S.K. Investigator : Schuessler, M. Investigator : Mursula, K. Investigator : Alanko, K. 2008-02-01 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/6101 https://www1.ncdc.noaa.gov/pub/data/paleo/climate_forcing/solar_variability/usoskin-cosmic-ray.txt https://www1.ncdc.noaa.gov/pub/data/paleo/climate_forcing/solar_variability/usoskin-cosmic-ray.txt English https://www.ncdc.noaa.gov/paleo/study/6101 https://www1.ncdc.noaa.gov/pub/data/paleo/climate_forcing/solar_variability/usoskin-cosmic-ray.txt START YEAR: 1611 AD * END YEAR: 2007 AD -180 -90 180 90