noaa-coral-22111 Dongsha Atoll Coral Bimonthly Stable Isotope Data from 1968-2012 CE Ren, H.; Chen, Y.-C.; Wang, X.T.; Wong, G.T.F.; Cohen, A.L.; DeCarlo, T.M.; Weigand, M.A.; Mii, H.-S.; Sigman, D.M. Dongsha Atoll Coral Bimonthly Stable Isotope Data from 1968-2012 CE 2017-05-19 NCDC-Paleoclimatology ONLINE Files Pending https://www.ncdc.noaa.gov/paleo/study/22111 Investigator H. Ren Investigator Y.-C. Chen Investigator X.T. Wang Investigator G.T.F. Wong Investigator A.L. Cohen Investigator T.M. DeCarlo Investigator M.A. Weigand Investigator H.-S. Mii Investigator D.M. Sigman earth science paleoclimate corals and sclerosponges delta 18O,Porites sp.,null,per mil VPDB,null,corals and sclerosponges,raw,isotope ratio mass spectrometry,N,null earth science paleoclimate corals and sclerosponges age,null,null,year Common Era,null,corals and sclerosponges,null,null,N,null earth science paleoclimate corals and sclerosponges delta 15N,Porites sp.,null,per mil AIR,null,corals and sclerosponges,raw,gas chromatography|isotope ratio mass spectrometry,N,coral skeletal bound organic delta 15N earth science paleoclimate corals and sclerosponges oxygen isotopes earth science paleoclimate corals and sclerosponges chemistry geoscientificInformation 1968 AD 2012 AD -18 cal yr BP -62 cal yr BP Complete 20.666667 20.666667 116.833333 116.833333 -5 -5 Ocean Pacific Ocean Western Pacific Ocean South China Sea Dongsha Atoll>LATITUDE 20.666667>LONGITUDE 116.833333 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 Ren, H.; Y.-C. Chen; X. Wang; G.T.F. Wong; A.L. Cohen, T.M. DeCarlo; M.A. Weigand; H.-S. Mii; and D.M. Sigman 2017 Science 356 6339 749-752 10.1126/science.aal3869 http://science.sciencemag.org/content/356/6339/749

With the rapid rise in pollution-associated nitrogen inputs to the western Pacific, it has been suggested that even the open ocean has been affected. In a coral core from Dongsha Atoll, a remote coral reef ecosystem, we observe a decline in the 15N/14N of coral skeleton_bound organic matter, which signals increased deposition of anthropogenic atmospheric N on the open ocean and its incorporation into plankton and, in turn, the atoll corals. The first clear change occurred just before 2000 CE, decades later than predicted by other work. The amplitude of change suggests that, by 2010, anthropogenic atmospheric N deposition represented 20 ± 5% of the annual N input to the surface ocean in this region, which appears to be at the lower end of other estimates. STUDY NOTES: Nitrogen isotope change in a South China Sea coral core records increased deposition of anthropogenic atmospheric N beginning just before the 2000 CE.

GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/coral/south_china_sea/ren2017/ren2017.txt NOAA Template File; Dongsha Atoll d18O and d15N Data USA/NOAA DIF Version 9.8.4 2018-12-11 2018-12-11