Climate change on the Yucatan Peninsula during the little ice age (Record no. 51398)

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fixed length control field 02178nam a2200277Ia 4500
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control field MX-MdCICY
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control field 20250625160206.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-17235
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245 10 - TITLE STATEMENT
Title Climate change on the Yucatan Peninsula during the little ice age
490 0# - SERIES STATEMENT
Volume/sequential designation Quaternary Research, 63(2), p.109-121, 2005
520 3# - SUMMARY, ETC.
Summary, etc. We studied a 5.1-m sediment core from Aguada X'caamal (20° 36.6N, 89° 42.9W), a small sinkhole lake in northwest Yucatan, Mexico. Between 1400 and 1500 A.D., oxygen isotope ratios of ostracod and gastropod carbonate increased by an average of 2.2% and the benthic foraminifer Ammonia beccarii parkinsoniana appeared in the sediment profile, indicating a hydrologic change that included increased lake water salinity. Pollen from a core in nearby Cenote San José Chulchacá showed a decrease in mesic forest taxa during the same period. Oxygen isotopes of shell carbonate in sediment cores from Lakes Chichancanab (19° 53.0N, 88° 46.0W)and Salpeten (16° 58.6N, 89° 40.5W)to the south also increased in the mid-15th century, but less so than in Aguada X'caamal. Climate change in the 15th century is also supported by historical accounts of cold and famine described in Maya and Aztec chronicles. We conclude that climate became drier on the Yucatan Peninsula in the 15th century A.D. near the onset of the Little Ice Age (LIA). Comparison of results from the Yucatan Peninsula with other circum-Caribbean paleoclimate records indicates a coherent climate response for this region at the beginning of the LIA. At that time, sea surface temperatures cooled and aridity in the circum-Caribbean region increased.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element CLIMATE CHANGE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element ISOTOPE
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element LITTLE ICE AGE
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Hodell, D. A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Brenner, M.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Curtis, J. H.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Medina-Gonzalez, R.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Can, E. I. C.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Albornaz-Pat, A.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Guilderson, T. P.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1pRw-KfsjYoPgDRhh2XSMyyl6vKOcYr0w/view?usp=drivesdk">https://drive.google.com/file/d/1pRw-KfsjYoPgDRhh2XSMyyl6vKOcYr0w/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-17235 25.06.2025 25.06.2025 Documentos solicitados