globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2015.07.042
论文题名:
Late Holocene mangrove development and onset of sedimentation in the Yax Chen cave system (Ox Bel Ha) Yucatan, Mexico: Implications for using cave sediments as a sea-level indicator
作者: Collins S.V.; Reinhardt E.G.; Werner C.L.; Le Maillot C.; Devos F.; Rissolo D.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2015
卷: 438
起始页码: 124
结束页码: 134
语种: 英语
英文关键词: Anchialine ; Cave sediments ; Holocene ; Hurricanes ; Mangrove ; Sea level ; Yucatan
英文摘要: This study examines the relationship between the flooding of cenotes and formation of coastal mangrove with Holocene sea-level rise and the onset of aquatic sedimentation in Yax Chen, a cave system in Quintana Roo on Mexico's Yucatan Peninsula. Sediment depth measurements (n= 180) were collected along 2.7. km of an underwater cave passage and three cores were radiocarbon dated to examine both the extent and timing of sedimentation in the cave. Basal radiocarbon ages (~ 4 Ka) for aquatic sediments in the cave show that Holocene sea-level rise flooded cenotes, creating sunlit open water conditions with associated mangroves on the upper karst surface. These conditions initiated abundant and widespread sedimentation in the cave. Cenote surface area controlled the long-term sediment accumulation in the cave passages through primary productivity in the sunlit open water areas of the cenotes. This primary productivity was enhanced with mangrove formation, which causes funneling of precipitation and nutrient-rich waters into the cenotes from the mangroves. Accumulation histories from the radiocarbon-dated sediment cores (n= 3) were compared with accumulation histories in previously published studies including Actun Ha, Mexico and Green Bay Cave (GBC), Bermuda. © 2015 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/68810
Appears in Collections:过去全球变化的重建

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作者单位: School of Geography and Earth Sciences, McMaster University, Hamilton, ON, Canada; Woodville Karst Plain Project, United States; Mexico Cave Exploration Project (MCEP), Centro Investigador del Sistema Acuifero de Quintana Roo A.C (CINDAQ), Global Underwater Explorers (GUE), Mexico; Center of Interdisciplinary Science for Art Architecture and Archaeology (CISA3) Qualcomm Institute, UCSD Division of Calit2 University of California, San Diego, United States; Research Associate Scripps Institution of Oceanography, University of California, San Diego, United States

Recommended Citation:
Collins S.V.,Reinhardt E.G.,Werner C.L.,et al. Late Holocene mangrove development and onset of sedimentation in the Yax Chen cave system (Ox Bel Ha) Yucatan, Mexico: Implications for using cave sediments as a sea-level indicator[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2015-01-01,438
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