noaa-icecore-14174 eng; USA utf8 dataset NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact NCEI Contact Information Information for contacts at NCEI. information pointOfContact NOAA World Data Service for Paleoclimatology Data Center Contact 828-271-4800 303-497-6513 325 Broadway, E/NE31 Boulder CO 80305-3328 USA paleo@noaa.gov pointOfContact 2024-04-25 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) NOAA/WDS Paleoclimatology - Quelccaya Ice Cap, Peru 1800 Year Oxygen Isotope, Dust, and Major Ions Data 2013-04-04 publication doi:10.25921/hwxv-a390 noaa-icecore-14174 NCEI DSI 1200_02 NCEI DSI 1200_01 Thompson, L.G. originator Thompson, L.G. author Mosley-Thompson, E. originator Mosley-Thompson, E. author Davis, M.E. originator Davis, M.E. author Zagorodnov, V.S. originator Zagorodnov, V.S. author Howat, I.M. originator Howat, I.M. author Mikhalenko, V.N. originator Mikhalenko, V.N. author Lin, P-N. originator Lin, P-N. 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 Ice Core. The data include parameters of ice cores with a geographic location of Peru. The time period coverage is from 1750 to -60 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 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 dataset. Additional summary information can be found in the abstracts of papers listed in the dataset citations. completed NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact NCEI Contact Information Information for contacts at NCEI. information pointOfContact NOAA World Data Service for Paleoclimatology Data Center Contact 828-271-4800 303-497-6513 325 Broadway, E/NE31 Boulder CO 80305-3328 USA paleo@noaa.gov pointOfContact https://www.ncei.noaa.gov/pub/data/paleo/webimages/pc-default-icecore.png Paleoclimatology - Ice Core PNG Earth Science > Climate Indicators > Paleoclimate Indicators > Ice Core Records Earth Science > Paleoclimate > Ice Core Records theme Global Change Master Directory (GCMD) Science Keywords 2025 revision 22 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 22. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > climate reconstructions|ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > climate reconstructions|ice cores earth science > paleoclimate > climate reconstructions|ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice cores earth science > paleoclimate > ice core > chemistry earth science > paleoclimate > ice core > physical properties earth science > paleoclimate > ice core > reconstruction earth science > paleoclimate > ice core > oxygen isotopes theme Global Change Master Directory (GCMD) Science Keywords 2025 revision 22 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 22. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian What: calcium; Material: bulk ice What: layer thickness; Material: bulk ice What: delta 18O; Material: bulk ice What: sulfate; Material: bulk ice What: nitrate; Material: bulk ice What: sodium; Material: bulk ice What: ammonium; Material: bulk ice What: age; Material: null What: potassium; Material: bulk ice What: age at sample start; Material: null What: magnesium; Material: bulk ice What: fluoride; Material: bulk ice What: sulfate; Material: bulk ice What: potassium; Material: bulk ice What: magnesium; Material: bulk ice What: nitrate; Material: bulk ice What: sodium; Material: bulk ice What: age at sample end; Material: null What: sea surface temperature; Material: null What: ice age at sample end; Material: null What: accumulation rate; Material: bulk ice What: dust; Material: bulk ice What: dust; Material: bulk ice What: fluoride; Material: bulk ice What: chloride; Material: bulk ice What: ice age; Material: null What: delta 18O; Material: bulk ice What: chloride; Material: bulk ice What: calcium; Material: bulk ice What: ice age at sample start; Material: null What: accumulation rate; Material: bulk ice What: ammonium; Material: bulk ice theme Paleoenvironmental Standard Terms (PaST) Thesaurus NOAA National Centers for Environmental Information https://www.ncei.noaa.gov/products/paleoclimatology/paleoenvironmental-standard-terms-thesaurus PaST Thesaurus information publisher Continent > South America > Peru > Quelccaya Ice Cap > LATITUDE -13.93 > LONGITUDE -70.83 Continent > South America > Peru > Nevado Huascarán > LATITUDE -9 > LONGITUDE -77.5 place DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce dataCentre Global Change Master Directory (GCMD) Data Center Keywords 2025 revision 22 Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA) https://forum.earthdata.nasa.gov/app.php/tag/GCMD%2BKeywords GCMD Keyword Forum Page Global Change Master Directory (GCMD). 2025. GCMD Keywords, Version 22. Greenbelt, MD: Earth Science Data and Information System, Earth Science Projects Division, Goddard Space Flight Center (GSFC), National Aeronautics and Space Administration (NASA). URL (GCMD Keyword Forum Page): https://forum.earthdata.nasa.gov/app.php/tag/GCMD+Keywords information custodian otherRestrictions Cite as: Thompson, L.G.; Mosley-Thompson, E.; Davis, M.E.; Zagorodnov, V.S.; Howat, I.M.; Mikhalenko, V.N.; Lin, P-N. (2013-04-04): NOAA/WDS Paleoclimatology - Quelccaya Ice Cap, Peru 1800 Year Oxygen Isotope, Dust, and Major Ions Data. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/hwxv-a390. 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. Annually Resolved Ice Core Records of Tropical Climate Variability Over the Past ~1800 Years 2013 publication Thompson, L.G., E. Mosley-Thompson, M.E. Davis, V.S. Zagorodnov, I.M. Howat, V.N. Mikhalenko, and P.-N. Lin. author Science publisher https://doi.org/10.1126/science.1234210 HTTPS Web Browser Associated Reference published 2013 Thompson, L.G., E. Mosley-Thompson, M.E. Davis, V.S. Zagorodnov, I.M. Howat, V.N. Mikhalenko, and P.-N. Lin., 2013: Annually Resolved Ice Core Records of Tropical Climate Variability Over the Past ~1800 Years. Science, 340, 945-950, 10.1126/science.1234210 information crossReference sciencePaper eng; USA geoscientificInformation Date Range: 200 CE to 2010 CE; Date Range: 1750 cal yr BP to -60 cal yr BP; -77.5 -70.83 -13.93 -9 200 2010 STUDY NOTES: Oxygen Isotope, dust and major ions data from ice cores collected on the Quelccaya Ice Cap, Peru. Data are at annual or decadal resolution for the past 1800 years. These new records are based on freshly cut ice samples; previous Quelccaya data were measured on bottled water samples. Included are Annual averages of d18O, net balance (accumulation), dust concentrations, and major ion concentrations for the Quelccaya Summit Dome (QSD) core from thermal year 226/227 to 2009/2010 CE; Decadal averages of d18O and net balance (accumulation) for the Quelccaya North Dome (QND) core from thermal year 1000/1001 to 1999/2000 CE; Decadal averages of sea surface temperatures (SSTs) in the NINO4 region from thermal year 230 to 2009/2010, reconstructed from the relationship between NINO4 SST and QSD d18O as shown in Fig S5 in the Supplementary Materials, Thompson et al. 2013; Annual layer thicknesses in Quelccaya Summit Dome core from thermal year 1000/1001 to 1899/1900 CE. These are not corrected for density or thinning. Annual layer thicknesses were determined by seasonal variations in dust and d18O, measured from high dust concentration and high d18O in successive dry seasons (austral winter). Also included are Huascaran d18O and NO3- data: d18O and nitrate from Huascaran 1993 Core 2. Decadal averages from thermal year 830/831 to 1991/1992, quasi-decadal averages from thermal year 200/201 to 829/830 CE. Huascaran decadal d18O data are from Thompson et al. (2006) PNAS, vol 103, 10,536-10,543. Update: quelccaya2013huas.txt file corrected 8/8/2013. Column 4 (NO3 values) offset by one decade too old in original version. All NO3 values shifted up one row August 2013 ABSTRACT SUPPLIED BY ORIGINATOR: Ice cores from low latitudes can provide a wealth of unique information about past climate in the tropics, but they are difficult to recover and few exist. Here, we report annually resolved ice core records from the Quelccaya ice cap (5670 masl) in Peru which extend back ~1800 years and provide a high-resolution record of climate variability there. Oxygen isotopic ratios (d18O) are linked to sea-surface temperatures in the tropical eastern Pacific, while concentrations of ammonium and nitrate document the dominant role played by the migration of the Intertropical Convergence Zone in the region of the tropical Andes. Quelccaya continues to retreat and thin: Radiocarbon dates on wetland plants exposed along its retreating margins indicate it has not been smaller for at least six millennia. NOAA National Centers for Environmental Information ncei.info@noaa.gov https://www.ncei.noaa.gov/contact NCEI Contact Information Information for contacts at NCEI. information distributor In most cases, electronic downloads of the data are free. However, fees may apply for custom orders, data certifications, copies of analog materials, and data distribution on physical media. Contact NCEI for other distribution options and instructions. Native Format(s) https://doi.org/10.25921/hwxv-a390 HTTPS Landing Page Metadata Landing Page NCEI landing page with general information and links to access the data. information https://www.ncei.noaa.gov/access/paleo-search/study/14174 HTTPS Web Browser NOAA Study Page Study page with data access information. search https://www.ncei.noaa.gov/products/paleoclimatology/ice-core HTTPS Information NCEI Ice Core Page General information for this data type. information https://www.ncei.noaa.gov/pub/data/paleo/icecore/trop/quelccaya/quelccaya2013sd-decadal.txt HTTPS Download NCEI Direct Download Direct download links for dataset files. download https://www.ncei.noaa.gov/pub/data/paleo/icecore/trop/quelccaya/quelccaya2013nino4sst.txt HTTPS Download NCEI Direct Download Direct download links for dataset files. download https://www.ncei.noaa.gov/pub/data/paleo/icecore/trop/quelccaya/quelccaya2013nd-decadal.txt HTTPS Download NCEI Direct Download Direct download links for dataset files. download https://www.ncei.noaa.gov/pub/data/paleo/icecore/trop/quelccaya/quelccaya2013layer-thickness.txt HTTPS Download NCEI Direct Download Direct download links for dataset files. download https://www.ncei.noaa.gov/pub/data/paleo/icecore/trop/quelccaya/quelccaya2013huas.txt HTTPS Download NCEI Direct Download Direct download links for dataset files. download https://www.ncei.noaa.gov/pub/data/paleo/icecore/trop/quelccaya/quelccaya2013.xlsx HTTPS Download NCEI Direct Download Direct download links for dataset files. download https://www.ncei.noaa.gov/pub/data/paleo/icecore/trop/quelccaya/quelccaya2013.txt HTTPS Download NCEI Direct Download Direct download links for dataset files. download asNeeded This ISO metadata record was translated from DIF metadata using dif-9x-to-iso-19115-2.xsl Version: 2022-06-21