noaa-forcing-10436 eng; USA utf8 dataset Bauer, Bruce DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce +1 303-497-6280 +1 303-497-6513 325 Broadway, E/CC23 Boulder CO 80305-3328 USA paleo@noaa.gov pointOfContact 2018-12-11 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) NOAA/WDS Paleoclimatology - Antarctic Last Millennium 10Be Stack and Solar Irradiance Reconstruction 2010-04-16 publication noaa-forcing-10436 NCEI DSI 1200_01 Delaygue, G. originator Delaygue, G. author Bard, E. originator Bard, E. author NOAA National Centers for Environmental Information publisher tableDigital This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI study type is Forcing. The data include parameters of ice cores with a geographic location of Antarctica. The time period coverage is from 1255 to -32 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data. 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 dataset. Additional summary information can be found in the abstracts of papers listed in the dataset citations. completed Bauer, Bruce DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce +1 303-497-6280 +1 303-497-6513 325 Broadway, E/CC23 Boulder CO 80305-3328 USA paleo@noaa.gov pointOfContact https://www.ncdc.noaa.gov/c/images/pc-default-forcing.png Paleoclimatology - Climate Forcing PNG Earth Science > Climate Indicators > Paleoclimate Indicators > Paleoclimate Forcing theme Global Change Master Directory (GCMD) Science Keywords 2018 revision Version 8.6 Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA) https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords HTTPS Web Browser Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information publisher earth science > paleoclimate > ice cores earth science > paleoclimate > climate forcing earth science > paleoclimate > climate forcing earth science > paleoclimate > climate forcing earth science > paleoclimate > climate forcing earth science > paleoclimate > climate forcing > solar theme Global Change Master Directory (GCMD) Science Keywords 2018 revision Version 8.6 Global Change Data Center, Science and Exploration Directorate, Goddard Space Flight Center (GSFC) National Aeronautics and Space Administration (NASA) https://earthdata.nasa.gov/about/gcmd/global-change-master-directory-gcmd-keywords HTTPS Web Browser Global Change Master Directory (GCMD) Keywords The information provided on this page seeks to define how the GCMD Keywords are structured, used and accessed. It also provides information on how users can participate in the further development of the keywords. information publisher Solar Forcing Reconstruction theme Continent > Antarctica> Dome Fuji > LATITUDE -77.32 > LONGITUDE 38.7 place otherRestrictions Cite as: Delaygue, G.; Bard, E. (2010-04-16): NOAA/WDS Paleoclimatology - Antarctic Last Millennium 10Be Stack and Solar Irradiance Reconstruction. [indicate subset used]. NOAA National Centers for Environmental Information. https://www.ncdc.noaa.gov/paleo/study/10436. Accessed [date]. otherRestrictions Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives. otherRestrictions Use liability: NOAA and NCEI cannot provide any warranty as to the accuracy, reliability, or completeness of furnished data. Users assume responsibility to determine the usability of these data. The user is responsible for the results of any application of this data for other than its intended purpose. otherRestrictions None otherRestrictions 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. eng; USA geoscientificInformation Date Range: 695 AD to 1982 AD; Date Range: 1255 cal yr BP to -32 cal yr BP; 38.7 38.7 -77.32 -77.32 Study Coordinates -77.32 38.7 695 1982 STUDY NOTES: Two Antarctic records of Be-10 concentrations covering the last millennium are normalized and averaged in order to smooth out non-forced variability. This stack is corrected for geomagnetic variations and converted into solar modulation parameter PHI and total solar irradiance (TSI) over the period of years 695-1982 AD. Stack of Be-10 Antarctic records published by Raisbeck et al. 1990 and Horiuchi et al. 2008, using the C-14 adjusted timescale for the latter. The stack is corrected for geomagnetic variations reconstructed by Korte et al. 2009 with the production sensitivity of Wagner et al. 2000. The solar modulation parameter PHI is calculated following McCracken et al. 2004 method, i.e. by calibrating the stack to an average level of 645 MV over the period 1944-1966 AD. The sensitivity of the Be-10 production to PHI is from Webber and Higbie 2003, assuming that Be-10 is produced at 70% in mid-latitudes and 30% locally ("mix" case) or purely locally ("local" case). Total Solar Irradiance (TSI) is calculated from either of the PHI time series, assuming an average modern maximum of 1365.5 W/m**2 (year 1969 AD) and a 0.08% decrease at the Maunder Minimum (year 1692 AD) (most likely value of IPCC AR4 p.192). ABSTRACT SUPPLIED BY ORIGINATOR: Beryllium-10 in ice provides a valuable proxy of solar activity. However, complex production pathways, atmospheric transport, and deposition processes impede its quantitative interpretation. Here, we examine the influence of deposition processes on two Be-10 ice core records from Central Antarctica (South Pole and Dome Fuji stations), covering the last millennium. We try to quantify how Be-10 variations in ice relate to variations in Be-10 production, and the bias associated to this relationship. An independent bias estimation is provided by comparing atmospheric radiocarbon variations reconstructed from tree rings and deduced from Be-10 variations. Both techniques suggest an uncertainty of the order of 10% in Be-10 production. This uncertainty estimate does not account for the geographical origin of Be-10, which remains a major issue. Because both Be-10 records are so similar, we propose to average them as a means to decrease the unshared (non solar) variability. This average record provides a new reconstruction of solar modulation parameter PHI and total solar irradiance over the last ~1,300 years. The lowest solar activity is found during the so-called Spörer Minimum (around AD 1450). The highest activities are found during the 8th century and over the last decades: as shown in previous studies, our results suggest that the recent solar activity is not exceptionally high for the last millennium. 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Native Format(s) https://data.nodc.noaa.gov/cgi-bin/iso?id=noaa-forcing-10436 HTTPS Landing Page NCEI landing page for this dataset Dataset landing page with general information and links to access the data. information https://www.ncdc.noaa.gov/paleo/study/10436 HTTPS Web Browser NCEI Study Page Study page with dataset access information. search https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/climate-forcing HTTPS Information NCEI Forcing Page General information for this data type. information https://www1.ncdc.noaa.gov/pub/data/paleo/climate_forcing/solar_variability/delaygue2010be10.xls HTTP Download NCEI Direct Download Direct download links for dataset files. download https://www1.ncdc.noaa.gov/pub/data/paleo/climate_forcing/solar_variability/delaygue2010be10.txt HTTP Download NCEI Direct Download Direct download links for dataset files. download asNeeded This metadata record was translated from DIF using dif-9x-to-iso-19115-2.xsl Version: 2018-10-25