noaa-cave-42959 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 2025-08-06 ISO 19115-2 Geographic Information - Metadata - Part 2: Extensions for Imagery and Gridded Data ISO 19115-2:2009(E) NOAA/WDS Paleoclimatology - Black Sea Region Speleothem Stable isotope Data of the last 670,000 Years 2025-07-25 publication doi:10.25921/fb8h-gg61 noaa-cave-42959 NCEI DSI 1200_02 NCEI DSI 1200_01 Held, F. originator Held, F. author Cheng, H. originator Cheng, H. author Edwards, R.L. originator Edwards, R.L. author Kipfer, T. originator Kipfer, T. author Tüysüz, O. originator Tüysüz, O. author Koç, K. originator Koç, K. author Affolter, S. originator Affolter, S. author Fleitmann, D. originator Fleitmann, D. 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 Cave. The data include parameters of speleothems with a geographic location of Turkey, Western Asia. The time period coverage is from 670000 to -71 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, and other aspects of climate derived from mineral deposits found in caves. 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-cave.png Paleoclimatology - Speleothem PNG Earth Science > Climate Indicators > Paleoclimate Indicators > Land Records > Cave Deposits Earth Science > Climate Indicators > Paleoclimate Indicators > Speleothems Earth Science > Paleoclimate > Land Records > Cave Deposits 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 > speleothems earth science > paleoclimate > speleothems earth science > paleoclimate > instrumental earth science > paleoclimate > speleothems earth science > paleoclimate > speleothems earth science > paleoclimate > speleothems earth science > paleoclimate > speleothems earth science > paleoclimate > instrumental earth science > paleoclimate > instrumental earth science > paleoclimate > instrumental earth science > paleoclimate > speleothems earth science > paleoclimate > speleothems earth science > paleoclimate > speleothems earth science > paleoclimate > speleothems earth science > paleoclimate > speleothems earth science > paleoclimate > speleothems earth science > paleoclimate > speleothems earth science > paleoclimate > speleothems > age control earth science > paleoclimate > speleothems > geochemistry earth science > paleoclimate > instrumental > precipitation earth science > paleoclimate > speleothems > carbon isotopes earth science > paleoclimate > speleothems > 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: age; Material: null What: delta 2H; Material: fluid inclusion What: delta 2H; Material: precipitation What: delta 18O; Material: calcite What: delta 2H; Material: fluid inclusion What: depth; Material: null What: delta 13C; Material: calcite What: collection date; Material: null What: delta 18O; Material: precipitation What: deuterium excess; Material: precipitation What: delta 2H; Material: fluid inclusion What: delta 18O; Material: fluid inclusion What: delta 2H; Material: fluid inclusion What: delta 18O; Material: fluid inclusion What: delta 18O; Material: fluid inclusion What: delta 18O; Material: fluid inclusion What: deuterium excess; Material: fluid inclusion 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 > Asia > Western Asia > Turkey > Sofular Cave > LATITUDE 41.416 > LONGITUDE 31.934 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: Held, F.; Cheng, H.; Edwards, R.L.; Kipfer, T.; Tüysüz, O.; Koç, K.; Affolter, S.; Fleitmann, D. (2025-07-25): NOAA/WDS Paleoclimatology - Black Sea Region Speleothem Stable isotope Data of the last 670,000 Years. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/fb8h-gg61. 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. Hydrological variability in the Black Sea region during the last 670,000 years recorded in multi-proxy speleothem records from northern Türkiye 2025 publication Held, F.; H. Cheng; R.L. Edwards; T. Kipfer; O. Tüysüz; K. Koç; S. Affolter; D. Fleitmann author Quaternary Science Reviews publisher https://doi.org/10.1016/j.quascirev.2025.109534 HTTPS Web Browser Associated Reference published 2025 Held, F.; H. Cheng; R.L. Edwards; T. Kipfer; O. Tüysüz; K. Koç; S. Affolter; D. Fleitmann, 2025: Hydrological variability in the Black Sea region during the last 670,000 years recorded in multi-proxy speleothem records from northern Türkiye. Quaternary Science Reviews, 367, , 10.1016/j.quascirev.2025.109534 information crossReference sciencePaper eng; USA geoscientificInformation Date Range: 670000 cal yr BP to -71 cal yr BP; 31.934 31.934 41.416 41.416 Study Coordinates 41.416 31.934 -668050 2021 STUDY NOTES: Provided Keywords: Stable Isotopes, Fluid inclusions ABSTRACT SUPPLIED BY ORIGINATOR: Changes in the hydrological balance of the Black Sea play a crucial role in the hydrological cycle and exert a strong influence on the isotopic composition of precipitation in the Black Sea region. However, the timing, duration and driving factors of hydrological shifts in the Black Sea region remain poorly constrained. Here, we present several new speleothem records from Sofular Cave in northern Türkiye to reconstruct hydroclimate fluctuations during the last 670,000 years, thereby expanding the previously published discontinuous isotope records. Stable oxygen isotopes of speleothem calcite (δ18Oca) reflect variations in the isotopic composition of the Black Sea surface water, providing information on the timing, origin and duration of Black Sea water exchange with the Mediterranean and Caspian Seas, inflow of meltwater from the Eurasian ice sheet (EIS), and configuration of the Black Sea paleodrainage basin and EIS during the last 670,000 years. The comparison between stable water isotopes of modern precipitation and paleo-precipitation trapped inside speleothem fluid inclusions demonstrates that the modern Local Meteoric Water Line (LMWL) is representative for the isotopic composition of precipitation during glacial and interglacial climate conditions. Furthermore, speleothem fluid inclusion deuterium excess values were higher during glacial periods compared to interglacial periods, which is most likely related to atmospheric changes affecting the evaporative conditions above the moisture source. 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/fb8h-gg61 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/42959 HTTPS Web Browser NOAA Study Page Study page with data access information. search https://www.ncei.noaa.gov/products/paleoclimatology/speleothem HTTPS Information NCEI Cave Page General information for this data type. information https://www.ncei.noaa.gov/pub/data/paleo/speleothem/asia/turkey/held2025/held2025-zonguldak-precip.txt HTTPS Download /speleothem/asia/turkey/held2025/held2025-zonguldak-precip.txt Speleothem download https://www.ncei.noaa.gov/pub/data/paleo/speleothem/asia/turkey/held2025/held2025-so-6water-isot.txt HTTPS Download /speleothem/asia/turkey/held2025/held2025-so-6water-isot.txt Speleothem download https://www.ncei.noaa.gov/pub/data/paleo/speleothem/asia/turkey/held2025/held2025-so-65-isot.txt HTTPS Download 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