GISP2 - Holocene CH4 Isotope Data Sowers, T. Sowers, T. earth science/paleoclimate/ice cores (delta 2H,methane,null,per mil SMOW,null,ice cores,null,null,N,null) earth science/paleoclimate/ice cores (delta 13C,methane,null,per mil PDB,null,ice cores,null,null,N,null) earth science/paleoclimate/ice cores (gas age,null,null,calendar kiloyear before present,null,ice cores,null,null,N,null) earth science/paleoclimate/ice core earth science/paleoclimate/ice core (GISP2>LATITUDE 72.6>LONGITUDE -38.5) Records of past temperature, precipitation, atmospheric trace gases, and other aspects of climate and environment derived from ice cores drilled on glaciers and ice caps around the world. 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 : Sowers, T. 2010-07-01 ONLINE Files online, ASCII https://www.ncdc.noaa.gov/paleo/study/8616 https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/greenland/summit/gisp2/isotopes/gisp2ch4-iso2010.txt https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/greenland/summit/gisp2/isotopes/gisp2ch4-iso2010.txt English https://www.ncdc.noaa.gov/paleo/study/8616 https://www1.ncdc.noaa.gov/pub/data/paleo/icecore/greenland/summit/gisp2/isotopes/gisp2ch4-iso2010.txt Sowers, T. 2010. Atmospheric methane isotope records covering the Holocene period. Quaternary Science Reviews, Vol. 29, pp. 213-221. START YEAR: -9300 AD * END YEAR: 1850 AD -38.5 72.6 -38.5 72.6