NOAA/WDS Paleoclimatology - Yok Balum Cave, Belize 2000 Year Stalagmite Stable Isotope Data
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title: NOAA/WDS Paleoclimatology - Yok Balum Cave, Belize 2000 Year Stalagmite Stable Isotope Data
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date: 2012-11-10
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Anchor: DOI doi:10.25921/yh1a-j946
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code: noaa-cave-13519
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abstract: 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 North Atlantic Ocean. The time period coverage is from 11430 to -54 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data.
purpose: 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.
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keyword: Earth Science > Climate Indicators > Paleoclimate Indicators > Land Records > Cave Deposits
keyword: Earth Science > Climate Indicators > Paleoclimate Indicators > Speleothems
keyword: Earth Science > Paleoclimate > Land Records > Cave Deposits
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keyword: earth science > paleoclimate > speleothems
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keyword: earth science > paleoclimate > speleothems
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keyword: earth science > paleoclimate > speleothems
keyword: earth science > paleoclimate > paleoceanography
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keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > paleoceanography
keyword: earth science > paleoclimate > speleothems
keyword: earth science > paleoclimate > speleothems
keyword: earth science > paleoclimate > speleothems
keyword: earth science > paleoclimate > speleothems > lithology
keyword: earth science > paleoclimate > speleothems > carbon isotopes
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keyword: earth science > paleoclimate > speleothems > oxygen isotopes
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keyword: drought
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keyword: What: delta 18O; Material: calcium carbonate
keyword: What: delta 18O; Material: calcium carbonate
keyword: What: delta 18O; Material: calcium carbonate
keyword: What: age; Material: null
keyword: What: age; Material: null
keyword: What: depth; Material: null
keyword: What: age; Material: null
keyword: What: age; Material: null
keyword: What: titanium; Material: sediment
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keyword: What: delta 18O; Material: calcium carbonate
keyword: What: delta 13C; Material: calcium carbonate
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keyword: Ocean > Atlantic Ocean > North Atlantic Ocean > Cariaco Basin > LATITUDE > LONGITUDE
keyword: Continent > North America > Central America > Belize > Yok Balum Cave > LATITUDE 16.2086 > LONGITUDE -89.0735
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otherConstraints: Cite as: Kennett, D.J.; Breitenbach, S.F.M.; Aquino, V.V.; Asmerom, Y.; Awe, J.; Baldini, J.U.L.; Bartlein, P.J.; Culleton, B.J.; Ebert, C.; Jazwa, C.; Macri, M.J.; Marwan, N.; Polyak, V.J.; Prufer, K.M.; Ridley, H.E.; Sodemann, H.; Winterhalder, B.; Haug, G.H. (2012-11-10): NOAA/WDS Paleoclimatology - Yok Balum Cave, Belize 2000 Year Stalagmite Stable Isotope Data. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/yh1a-j946. Accessed [date].
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otherConstraints: 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.
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otherConstraints: 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.
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otherConstraints: 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.
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title: Development and Disintegration of Maya Political Systems in Response to Climate Change
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date: 2012
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description: Kennett, D.J., S.F.M. Breitenbach, V.V. Aquino, Y. Asmerom, J. Awe, J.U.L. Baldini, P. Bartlein, B.J. Culleton, C. Ebert, C. Jazwa, M. J. Macri, N. Marwan, V. Polyak, K. M. Prufer, H. E. Ridley, H. Sodemann, B. Winterhalder, G. H. Haug, 2012: Development and Disintegration of Maya Political Systems in Response to Climate Change. Science, 338, 788-791, 10.1126/science.1226299
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extent: (EX_Extent)
description: Date Range: 11430 cal yr BP to -54 cal yr BP;
geographicElement: (EX_GeographicBoundingBox)
westBoundLongitude: -89.0735
eastBoundLongitude: -64.65
southBoundLatitude: 10.67
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beginPosition: -9480
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supplementalInformation: STUDY NOTES: The YOK-I stalagmite was collected in June 2006 approximately 50 m from the eastern cave entrance. Carbonate was actively precipitating on the tip of this 606.9-mm-long stalagmite when it was harvested. Forty 230Th dates constrain the age of incremental growth in the upper 444.3 mm of YOK-I (Table S2). XRD analysis indicates that the carbonate in the upper 415 mm is pure aragonite and not affected by secondary alteration. The stable isotope climate record presented here therefore comes from the upper 415 mm, while the lower stalagmite section is less suitable for stable isotope studies and was not included in this investigation. Over 4,200 d18O and d13C measurements were performed on the upper 415 mm of the YOK-I stalagmite dated between 40 BC and AD 2006. These samples were continuously milled at 0.1 mm increments and, depending on growth rate changes in YOK-I, the temporal resolution of the isotopic data fluctuates from 0.01 and 3.68 yrs/0.1 mm with an average resolution of 0.49 yrs/0.1 mm. The available data indicate that fluctuations in rainfall intensity are reflected in the d18O record. ABSTRACT SUPPLIED BY ORIGINATOR: The role of climate change in the development and demise of Classic Maya civilization (300 to 1000 C.E.) remains controversial because of the absence of well-dated climate and archaeological sequences. We present a precisely dated subannual climate record for the past 2000 years from Yok Balum Cave, Belize. From comparison of this record with historical events compiled from well-dated stone monuments, we propose that anomalously high rainfall favored unprecedented population expansion and the proliferation of political centers between 440 and 660 C.E. This was followed by a drying trend between 660 and 1000 C.E. that triggered the balkanization of polities, increased warfare, and the asynchronous disintegration of polities, followed by population collapse in the context of an extended drought between 1020 and 1100 C.E.
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fees: 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.
orderingInstructions: Contact NCEI for other distribution options and instructions.
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maintenanceNote: This ISO metadata record was translated from DIF metadata using dif-9x-to-iso-19115-2.xsl Version: 2022-06-21
