Timing and Extent of Late Quaternary Paleolakes in the Trans-Pecos Closed Basin, West Texas and South-Central New Mexico
The Trans-Pecos Closed Basin is a hydrographically closed region covering 20,000 km 2 centered on Salt Basin, 160 km east of El Paso, Texas. Geomorphic and limnetic evidence have been used to identify four major highstands for Lake King during the last glacial maximum (LGM). Additional geomorphic fe...
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Cambridge University Press (CUP)
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crcambridgeupr:10.1006/qres.1997.1896 2024-06-23T07:52:20+00:00 Timing and Extent of Late Quaternary Paleolakes in the Trans-Pecos Closed Basin, West Texas and South-Central New Mexico Wilkins, David E. Currey, Donald R. 1997 http://dx.doi.org/10.1006/qres.1997.1896 http://api.elsevier.com/content/article/PII:S0033589497918962?httpAccept=text/xml http://api.elsevier.com/content/article/PII:S0033589497918962?httpAccept=text/plain https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0033589400032695 en eng Cambridge University Press (CUP) https://www.cambridge.org/core/terms Quaternary Research volume 47, issue 3, page 306-315 ISSN 0033-5894 1096-0287 journal-article 1997 crcambridgeupr https://doi.org/10.1006/qres.1997.1896 2024-06-05T04:03:27Z The Trans-Pecos Closed Basin is a hydrographically closed region covering 20,000 km 2 centered on Salt Basin, 160 km east of El Paso, Texas. Geomorphic and limnetic evidence have been used to identify four major highstands for Lake King during the last glacial maximum (LGM). Additional geomorphic features from a second, recently identified, paleolake, Lake Sacramento, have been found in the Beargrass subbasin, a nested subbasin approximately 75 km northwest of Salt Basin. Radiocarbon ages of the organic material in Lake King sediments date four abrupt climate changes and rapid lacustrine transgressions during the LGM with a quasi-periodicity of 2000 yr. Geomorphic evidence in the Beargrass subbasin identifies lake cycles contemporaneous with those in Lake King. The dates for these transgressions correlate with the dates of freshening events identified by researchers in paleolake basins elsewhere in New Mexico. The quasi-periodicity of the events approximates that of Dansgaard–Oeschger events identified from Greenland ice cores. The contemporaneity of the Trans-Pecos transgressions with transgressive events in other basins in the region suggests that paleolakes in the region were in phase with respect to abrupt climate changes during the latter stages of the LGM. Article in Journal/Newspaper Dansgaard-Oeschger events Greenland Greenland ice cores Cambridge University Press Greenland Quaternary Research 47 3 306 315 |
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Open Polar |
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Cambridge University Press |
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crcambridgeupr |
language |
English |
description |
The Trans-Pecos Closed Basin is a hydrographically closed region covering 20,000 km 2 centered on Salt Basin, 160 km east of El Paso, Texas. Geomorphic and limnetic evidence have been used to identify four major highstands for Lake King during the last glacial maximum (LGM). Additional geomorphic features from a second, recently identified, paleolake, Lake Sacramento, have been found in the Beargrass subbasin, a nested subbasin approximately 75 km northwest of Salt Basin. Radiocarbon ages of the organic material in Lake King sediments date four abrupt climate changes and rapid lacustrine transgressions during the LGM with a quasi-periodicity of 2000 yr. Geomorphic evidence in the Beargrass subbasin identifies lake cycles contemporaneous with those in Lake King. The dates for these transgressions correlate with the dates of freshening events identified by researchers in paleolake basins elsewhere in New Mexico. The quasi-periodicity of the events approximates that of Dansgaard–Oeschger events identified from Greenland ice cores. The contemporaneity of the Trans-Pecos transgressions with transgressive events in other basins in the region suggests that paleolakes in the region were in phase with respect to abrupt climate changes during the latter stages of the LGM. |
format |
Article in Journal/Newspaper |
author |
Wilkins, David E. Currey, Donald R. |
spellingShingle |
Wilkins, David E. Currey, Donald R. Timing and Extent of Late Quaternary Paleolakes in the Trans-Pecos Closed Basin, West Texas and South-Central New Mexico |
author_facet |
Wilkins, David E. Currey, Donald R. |
author_sort |
Wilkins, David E. |
title |
Timing and Extent of Late Quaternary Paleolakes in the Trans-Pecos Closed Basin, West Texas and South-Central New Mexico |
title_short |
Timing and Extent of Late Quaternary Paleolakes in the Trans-Pecos Closed Basin, West Texas and South-Central New Mexico |
title_full |
Timing and Extent of Late Quaternary Paleolakes in the Trans-Pecos Closed Basin, West Texas and South-Central New Mexico |
title_fullStr |
Timing and Extent of Late Quaternary Paleolakes in the Trans-Pecos Closed Basin, West Texas and South-Central New Mexico |
title_full_unstemmed |
Timing and Extent of Late Quaternary Paleolakes in the Trans-Pecos Closed Basin, West Texas and South-Central New Mexico |
title_sort |
timing and extent of late quaternary paleolakes in the trans-pecos closed basin, west texas and south-central new mexico |
publisher |
Cambridge University Press (CUP) |
publishDate |
1997 |
url |
http://dx.doi.org/10.1006/qres.1997.1896 http://api.elsevier.com/content/article/PII:S0033589497918962?httpAccept=text/xml http://api.elsevier.com/content/article/PII:S0033589497918962?httpAccept=text/plain https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0033589400032695 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Dansgaard-Oeschger events Greenland Greenland ice cores |
genre_facet |
Dansgaard-Oeschger events Greenland Greenland ice cores |
op_source |
Quaternary Research volume 47, issue 3, page 306-315 ISSN 0033-5894 1096-0287 |
op_rights |
https://www.cambridge.org/core/terms |
op_doi |
https://doi.org/10.1006/qres.1997.1896 |
container_title |
Quaternary Research |
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47 |
container_issue |
3 |
container_start_page |
306 |
op_container_end_page |
315 |
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1802643614207049728 |