noaa-lake-6108
Lake Chichancanab, Mexico 4,500 Year Sediment Density Data
Hodell, D.A.; Brenner, M.; Curtis, J.H.
Lake Chichancanab, Mexico 4,500 Year Sediment Density Data
2008-04-01
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/6108
Investigator
D.A.
Hodell
Investigator
M.
Brenner
Investigator
J.H.
Curtis
earth science
paleoclimate
paleolimnology
depth,null,null,centimeter,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
density,sediment,null,gram per cubic centimeter,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
age,null,null,year Common Era,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
physical properties
geoscientificInformation
4500 cal yr BP
-50 cal yr BP
Complete
19.855
19.855
-88.763
-88.763
Continent
North America
Mexico
Yucatan
Lake Chichancanab>LATITUDE 19.855>LONGITUDE -88.763
None
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English
DOC/NOAA/NESDIS/NCEI
National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
https://www.ncdc.noaa.gov/data-access/paleoclimatology-data
DATA Center Contact
Bruce
Bauer
bruce.a.bauer@noaa.gov
paleo@noaa.gov
303-497-6280
303-497-6513
325 Broadway, E/NE31
Boulder
CO
80305-3328
USA
online
ASCII
Hodell, D.A.,Brenner, M.,Curtis, J.H. 2005. Terminal Classic drought in the northern Maya Lowlands inferred from multiple sediment cores in Lake Chichancanab (Mexico). Quaternary Science Reviews, Vol. 24, pp. 1413-1427
We present new density records from sediment cores taken along a depth transect in Lake Chichancanab, Mexico. The data reveal in great detail the climatic events that comprised the Terminal Classic Drought (TCD) and coincided with the demise of Classic Maya civilization between ca 750 and 1050 AD. In shallow-water cores, the TCD is marked by a condensed gypsum horizon. In deeper-water sections it is expanded and represented by numerous interbedded gypsum and organic-rich strata. The TCD was not a single, two-century-long megadrought, but rather consisted of a series of dry events separated by intervening periods of relatively moister conditions. We estimate the TCD occurred between ca 770 and 1100 AD and included an early phase (ca 770ŋ870 AD) and late phase (ca 920ŋ1100 AD). The intervening 50-year period (ca 870ŋ920 AD) was relatively moister. Each dry phase is represented by multiple gypsum (density) bands interbedded with organic-rich sediment that indicate alternating dry and wet conditions. Spectral analysis revealed significant periods around 213, 50, and 27 years. Despite uncertainty regarding the ages of these events, their pattern is robust and generally consistent with other proxy records under the same climate regime, such as the marine Cariaco Basin off northern Venezuela (Science 299 (2003) 1731).
STUDY NOTES: Density data from Lake Chichancanab, Core CH1 7-III-04, 14.4m water depth.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/yucatan/chichancanab2005.txt
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/yucatan/chichancanab2005.xls
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11