Arid
DOI10.1016/j.yqres.2011.01.002
Oxygen isotope evidence of Little Ice Age aridity on the Caribbean slope of the Cordillera Central, Dominican Republic
Lane, Chad S.; Horn, Sally P.; Orvis, Kenneth H.; Thomason, John M.
通讯作者Lane, Chad S.
来源期刊QUATERNARY RESEARCH
ISSN0033-5894
出版年2011
卷号75期号:3页码:461-470
英文摘要

Climate change during the so-called Little Ice Age (LIA) of the 15th to 19th centuries was once thought to be limited to the high northern latitudes, but increasing evidence reflects significant climate change in the tropics. One of the hypothesized features of LIA climate in the low latitudes is a more southerly mean annual position of the Intertropical Convergence Zone (ITCZ), which produced more arid conditions through much of the northern tropics. High-resolution stable oxygen isotope data and other sedimentary evidence from Laguna de Felipe, located on the Caribbean slope of the Cordillera Central of the Dominican Republic, support the hypothesis that the mean annual position of the ITCZ was displaced significantly southward during much of the LIA. Placed within the context of regional paleoclimate and paleoceanographic records, and reconstructions of global LIA climate, this shift in mean annual ITCZ position appears to have been induced by lower solar insolation and internal dynamical responses of the global climate system. Our results from Hispaniola further emphasize the global nature of LIA climate change and the sensitivity of circum-Caribbean climate conditions to what are hypothesized to be relatively small variations in global energy budgets. (C) 2011 University of Washington. Published by Elsevier Inc. All rights reserved.


英文关键词Caribbean Dominican Republic Hispaniola Intertropical Convergence Zone Lake sediment Little Ice Age Ostracod Oxygen isotope
类型Article
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000290831500009
WOS关键词INTERTROPICAL CONVERGENCE ZONE ; NORTH-ATLANTIC OSCILLATION ; MEDIEVAL WARM PERIOD ; NINO-SOUTHERN-OSCILLATION ; CLIMATE VARIABILITY ; COSTA-RICA ; EL-NINO ; THERMOHALINE CIRCULATION ; SURFACE-TEMPERATURE ; ENSO TELECONNECTION
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/170220
作者单位Univ Tennessee, Dept Geog, Knoxville, TN 37996 USA
推荐引用方式
GB/T 7714
Lane, Chad S.,Horn, Sally P.,Orvis, Kenneth H.,et al. Oxygen isotope evidence of Little Ice Age aridity on the Caribbean slope of the Cordillera Central, Dominican Republic[J],2011,75(3):461-470.
APA Lane, Chad S.,Horn, Sally P.,Orvis, Kenneth H.,&Thomason, John M..(2011).Oxygen isotope evidence of Little Ice Age aridity on the Caribbean slope of the Cordillera Central, Dominican Republic.QUATERNARY RESEARCH,75(3),461-470.
MLA Lane, Chad S.,et al."Oxygen isotope evidence of Little Ice Age aridity on the Caribbean slope of the Cordillera Central, Dominican Republic".QUATERNARY RESEARCH 75.3(2011):461-470.
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