noaa-model-26611 Common Era Evolution of Ocean Temperature Gebbie, G.; Huybers, P.J. Common Era Evolution of Ocean Temperature 2019-04-09 NCDC-Paleoclimatology ONLINE Files Pending https://www.ncdc.noaa.gov/paleo/study/26611 Investigator G. Gebbie Investigator P.J. Huybers earth science paleoclimate model ocean model geoscientificInformation 15 AD 2015 AD 1935 cal yr BP -65 cal yr BP Complete -80 90 -180 180 Geographic Region Global Ocean Global Ocean>LATITUDE >LONGITUDE 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 G. Gebbie, P. Huybers 2019 Science 363 6422 70-74 10.1126/science.aar8413 https://science.sciencemag.org/content/363/6422/70

Proxy records show that before the onset of modern anthropogenic warming, globally coherent cooling occurred from the Medieval Warm Period to the Little Ice Age. The long memory of the ocean suggests that these historical surface anomalies are associated with ongoing deep-ocean temperature adjustments. Combining an ocean model with modern and paleoceanographic data leads to a prediction that the deep Pacific is still adjusting to the cooling going into the Little Ice Age, whereas temperature trends in the surface ocean and deep Atlantic reflect modern warming. This prediction is corroborated by temperature changes identified between the HMS Challenger expedition of the 1870s and modern hydrography. The implied heat loss in the deep ocean since 1750 CE offsets one-fourth of the global heat gain in the upper ocean. STUDY NOTES: This data package includes an inversion of ocean data to reconstruct the evolution of Common Era (15-2015 CE) ocean temperature (labeled OPT-0015). It also includes the output of a model simulation initialized from equilibrium in the year 15 (EQ-0015) and 1750 (EQ-1750). Output includes both the potential temperature and potential temperature anomaly fields

GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/gcmoutput/gebbie2019/readme-gebbie2019.txt Data Description; Common Era Evolution of Ocean Temperature GET DATA https://www1.ncdc.noaa.gov/pub/data/paleo/gcmoutput/gebbie2019/ Data Folder; Ocean Temperature netCDF Data Files USA/NOAA DIF Version 9.8.4 2019-06-06 2019-06-06