noaa-cave-12912 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 - Mawmluh Cave, India Holocene Stalagmite d18O Data 2012-05-17 publication noaa-cave-12912 NCEI DSI 1200_01 Berkelhammer, M.B. originator Berkelhammer, M.B. author Sinha, A. originator Sinha, A. author Stott, L.D. originator Stott, L.D. author Cheng, H. originator Cheng, H. author Pausata, F. originator Pausata, F. author Yoshimura, K. originator Yoshimura, K. 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 India, Southcentral Asia. The time period coverage is from 12395 to 3653 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 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-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 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 > speleothems earth science > paleoclimate > speleothems earth science > paleoclimate > speleothems > oxygen isotopes 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 Monsoon theme Continent > Asia > Southcentral Asia > India> Mawmluh Cave > LATITUDE 25.2622 > LONGITUDE 91.8167 place otherRestrictions Cite as: Berkelhammer, M.B.; Sinha, A.; Stott, L.D.; Cheng, H.; Pausata, F.; Yoshimura, K. (2012-05-17): NOAA/WDS Paleoclimatology - Mawmluh Cave, India Holocene Stalagmite d18O Data. [indicate subset used]. NOAA National Centers for Environmental Information. https://www.ncdc.noaa.gov/paleo/study/12912. 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. An Abrupt shift in the Indian Monsoon 4,000 years ago 2012 publication Berkelhammer, M., A. Sinha, L. Stott, H. Cheng, F. Pausata, and K. Yoshimura author Geophysical Monograph Series publisher https://doi.org/10.1029/2012GM001207 HTTPS Web Browser Associated Reference published 2012 Berkelhammer, M., A. Sinha, L. Stott, H. Cheng, F. Pausata, and K. Yoshimura, 2012: An Abrupt shift in the Indian Monsoon 4,000 years ago. Geophysical Monograph Series, , , 10.1029/2012GM001207 information crossReference sciencePaper eng; USA geoscientificInformation Date Range: 12395 cal yr BP to 3653 cal yr BP; 91.8167 91.8167 25.2622 25.2622 Study Coordinates 25.2622 91.8167 -10445 -1703 STUDY NOTES: d18O from a calcitic stalagmite (KM-A) from Mawmluh Cave, located in Cherrapunji, Meghalaya in northeast India. Dating is based on 8 U/Th series dates, which are described in the publication text. Mawmluh Cave, India: 25°15'44"N, 91°52'54"E, 1290m elevation. ABSTRACT SUPPLIED BY ORIGINATOR: The emergence of high-resolution proxy records from the Asian Monsoon region suggest that the monsoon system is bistable and can abruptly transition between a suppressed and active state. This observation is critical in considering how the monsoon system may have influenced the development of societies across South and East Asia during the Holocene. Using a new high-resolution (~5 years/sample) speleothem stable isotope record from Northeast India that spans the early and mid- Holocene, a number of abrupt changes in the oxygen isotopic composition of precipitation (d18O) are documented. The most dramatic of these events occurred ~4,000 years ago when, over the course of approximately a decade, isotopic values abruptly rose above any seen during the early to mid Holocene and remained at this anomalous state for almost two centuries. This event occurs nearly synchronously with climatic changes documented in a number of proxy records across North Africa, the Middle East, the Tibetan Plateau, Southern Europe and perhaps as far as North America. The changes in d18O were likely driven by a dynamic response of the Indian Summer Monsoon (ISM) to changes in surface heating on the Tibetan Plateau and/or to large-scale ocean dynamics in the Indian Ocean Basin. At this point, a quantitative characterization of the change in the ISM is hindered by unconstrained aspects of the regional response of d18O to climate, but we hypothesize the excursion could represent a shift towards an earlier monsoon withdrawal, a more northerly vapor source region or a general decline in the total amount of monsoon precipitation. The new record provides a very significant advance with respect to age control and sample resolution of terrestrial climate change over South Asian during this period when a number of major societal changes occurred. While evidence of a causal relationship between climate and the re-organization of the Indus Valley and Old Kingdom Nile civilizations is beyond the scope of this study, the tight age constraints of the record show with a high degree of certainty that much of the documented de-urbanization of the Indus Valley at 3.9k yr BP occurred after multiple decades of a shift in the monsoon's character but before the monsoon returned to its previous mid-Holocene state. DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce Customer Engagement Branch 1-828-271-4800 1-828-271-4876 151 Patton Avenue Veach-Baley Federal Building, Room 468 Asheville NC 28801-5001 USA ncei.orders@noaa.gov https://www.ncei.noaa.gov HTTPS Web Browser NOAA National Centers for Environmental Information (NCEI) NCEI home page with information, data access and contact information. information 8:00 - 6:00 Eastern distributor In most cases, electronic downloads of the data are free, however fees may apply for data certifications, copies of analog materials, and data distribution on physical media. Native Format(s) https://data.nodc.noaa.gov/cgi-bin/iso?id=noaa-cave-12912 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/12912 HTTPS Web Browser NCEI Study Page Study page with dataset access information. search https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/speleothem HTTPS Information NCEI Cave Page General information for this data type. information https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/asia/india/mawmluh2012.xls HTTPS Download /speleothem/asia/india/mawmluh2012.xls Speleothem download https://www1.ncdc.noaa.gov/pub/data/paleo/speleothem/asia/india/mawmluh2012.txt HTTPS Download /speleothem/asia/india/mawmluh2012.txt Speleothem download asNeeded This metadata record was translated from DIF using dif-9x-to-iso-19115-2.xsl Version: 2018-10-25