noaa-instrument-19882 Papua, Indonesia Rainfall Isotope Data Permana, D.S; Thompson, L.G.; Setyadi, G. Papua, Indonesia Rainfall Isotope Data 2016-03-11 NCDC-Paleoclimatology ONLINE Files Pending https://www.ncdc.noaa.gov/paleo/study/19882 Investigator D.S Permana Investigator L.G. Thompson Investigator G. Setyadi earth science paleoclimate instrumental delta 2H,precipitation,null,per mil,null,instrumental,null,null,N,null earth science paleoclimate instrumental deuterium excess,precipitation,null,per mil,null,instrumental,null,null,N,null earth science paleoclimate instrumental collection date,null,null,year Common Era,null,instrumental,null,null,C,MMDDYYYY earth science paleoclimate instrumental delta 18O,precipitation,null,per mil,null,instrumental,null,null,N,null earth science paleoclimate instrumental geoscientificInformation ENSO 2013 AD 2015 AD -63 cal yr BP -65 cal yr BP Complete -4.83 -4.04 136.84 137.12 9 3945 UNDETERMINED Kuala Kencana>LATITUDE -4.41>LONGITUDE 136.86 Ocean Indian Ocean Indonesia Tembagapura>LATITUDE -4.14>LONGITUDE 137.09 Ocean Indian Ocean Indonesia Timika>LATITUDE -4.53>LONGITUDE 136.89 Ocean Indian Ocean Indonesia Grasberg>LATITUDE -4.04>LONGITUDE 137.12 Ocean Indian Ocean Indonesia Portsite>LATITUDE -4.83>LONGITUDE 136.84 None Please cite original publication, online resource, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, title, online resource, and date accessed. The appearance of external links associated with a dataset does not constitute endorsement by the Department of Commerce/National Oceanic and Atmospheric Administration of external Web sites or the information, products or services contained therein. For other than authorized activities, the Department of Commerce/NOAA does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this Department of Commerce/NOAA Web site. English DOC/NOAA/NESDIS/NCEI National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce https://www.ncdc.noaa.gov/data-access/paleoclimatology-data DATA Center Contact Bruce Bauer bruce.a.bauer@noaa.gov paleo@noaa.gov 303-497-6280 303-497-6513

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Boulder CO 80305-3328 USA online ASCII Donaldi S. Permana, Lonnie G. Thompson, Gesang Setyadi 2016 Journal of Geophysical Research: Atmospheres 10.1002/2015JD023893 http://onlinelibrary.wiley.com/doi/10.1002/2015JD023893/full

Understanding the controls on stable isotopologues of tropical rainfall is critical for paleoclimatic reconstruction from tropical ice core records. The southern Papua region, Indonesia, has a unique climate regime that allows for the evaluation of the influence of precipitation and convective activity on seasonal rainfall δ18O. The influence of the El Niño-Southern Oscillation (ENSO) on interannual rainfall δ18O variation is also important for paleoclimate reconstruction. Here we present stable isotope analyses of 1332 rain samples collected daily during the period from January 2013 to February 2014 (ENSO-normal) and December 2014 to September 2015 (El Niño) at various elevation stations (9 to 3945 m above sea level) on the southern slope of the central mountain ranges in Papua. The results suggest an altitude effect with an isotopic lapse rate for δ18O (δD) of -2.4‰/km (-18.2‰/km). The temporal δ18O variability (daily to interannual) is controlled mostly by regional convective activity rather than local/regional precipitation amount. The intraseasonal δ18O variation resembles the Madden-Julian Oscillation cycle with major δ18O depletion events associated with active (wet) phases. Moisture origins, transport pathways, moisture convergence, and raindrop evaporation appear to have no significant seasonal effects on δ18O, leading to the conclusion that condensation temperature controls δ18O depletion associated with convective activity. Seasonal δ18O variation is likely associated with atmospheric temperature at the mean condensation level as indicated by the altitude of latent heat release in the troposphere. Rainfall δ18O (δD) is generally enriched by 1.6‰-2‰ (11‰-15‰) during El Niño than during ENSO-normal periods. STUDY NOTES: Daily rainfall isotope (d18O, dD, D excess) data from 5 stations along an elevational transect in Papua (Irian Jaya), Indonesia, during ENSO-normal (January 2013 - February 2014) and El Nino (December - September 2015) conditions

GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/precip_isotopes/indonesia/papua2016grs.txt Data File; Grasberg Precipitation Isotope Data GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/precip_isotopes/indonesia/papua2016tmk.txt Data File; Timika Precipitation Isotope Data GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/precip_isotopes/indonesia/papua2016kk.txt Data File; Kuala Kencana Precipitation Isotope Data GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/precip_isotopes/indonesia/papua2016port.txt Data File; Portsite Precipitation Isotope Data GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/precip_isotopes/indonesia/papua2016tpr.txt Data File; Tembagapura Precipitation Isotope Data USA/NOAA DIF Version 9.8.4 2018-12-11 2018-12-11