Bryson 1988 Volcanic Eruptions and Aerosol Optical Depth Data Bryson, R.A. Bryson, R.A. earth science/paleoclimate/instrumental (collection date,null,null,year Common Era,null,instrumental,null,null,N,null) earth science/paleoclimate/climate forcing (age,null,null,calendar year before present,null,climate forcing,null,null,N,null) earth science/paleoclimate/climate forcing (aerosol optical depth,null,null,dimensionless,null,climate forcing,null,null,N,null) earth science/paleoclimate/instrumental (aerosol optical depth,null,null,dimensionless,null,instrumental,null,null,N,annual hemispheric mean) 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 : Bryson, R.A. 2002-04-24 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/5791 https://www1.ncdc.noaa.gov/pub/data/paleo/climate_forcing/bryson1988/ https://www1.ncdc.noaa.gov/pub/data/paleo/climate_forcing/bryson1988/ English https://www.ncdc.noaa.gov/paleo/study/5791 https://www1.ncdc.noaa.gov/pub/data/paleo/climate_forcing/bryson1988/ START YEAR: 40000 cal yr BP * END YEAR: 0 cal yr BP -180 -90 180 90