Arid
DOI10.1016/j.quascirev.2014.04.012
Pluvial lakes in the Great Basin of the western United States a view from the outcrop
Reheis, Marith C.1; Adams, Kenneth D.2; Oviatt, Charles G.3; Bacon, Steven N.2
通讯作者Reheis, Marith C.
来源期刊QUATERNARY SCIENCE REVIEWS
ISSN0277-3791
出版年2014
卷号97页码:33-57
英文摘要

Paleo-lakes in the western United States provide geomorphic and hydrologic records of climate and drainage-basin change at multiple time scales extending back to the Miocene. Recent reviews and studies of paleo-lake records have focused on interpretations of proxies in lake sediment cores from the northern and central parts of the Great Basin. In this review, emphasis is placed on equally important studies of lake history during the past similar to 30 years that were derived from outcrop exposures and geomorphology, in some cases combined with cores. Outcrop and core records have different strengths and weaknesses that must be recognized and exploited in the interpretation of paleohydrology and paleoclimate. Outcrops and landforms can yield direct evidence of lake level, fades changes that record details of lake-level fluctuations, and geologic events such as catastrophic floods, drainage-basin changes, and isostatic rebound. Cores can potentially yield continuous records when sampled in stable parts of lake basins and can provide proxies for changes in lake level, water temperature and chemistry, and ecological conditions in the surrounding landscape. However, proxies such as stable isotopes may be influenced by several competing factors the relative effects of which may be difficult to assess, and interpretations may be confounded by geologic events within the drainage basin that were unrecorded or not recognized in a core. The best evidence for documenting absolute lake-level changes lies within the shore, nearshore, and deltaic sediments that were deposited across piedmonts and at the mouths of streams as lake level rose and fell. We review the different shorezone environments and resulting deposits used in such reconstructions and discuss potential estimation errors.


Lake-level studies based on deposits and landforms have provided paleohydrologic records ranging from general changes during the past million years to centennial-scale details of fluctuations during the late Pleistocene and Holocene. Outcrop studies have documented the integration histories of several important drainage basins, including the Humboldt, Amargosa, Owens, and Mojave river systems, that have evolved since the Miocene within the active tectonic setting of the Great Basin; these histories have influenced lake levels in terminal basins. Many pre-late Pleistocene lakes in the western Great Basin were significantly larger and record wetter conditions than the youngest lakes. Outcrop-based lake-level data provide important checks on core-based proxy interpretations; we discuss four such comparisons. In some cases, such as for Lakes Owens and Manix, outcrop and core data synthesis yields stronger and more complete records; in other cases, such as for Bonneville and Lahontan, conflicts point toward reconsideration of confounding factors in interpretation of core-based proxies. Published by Elsevier Ltd.


英文关键词Pluvial lake Great Basin Paleoclimate Drainage basin history Quaternary Outcrop
类型Review
语种英语
国家USA
收录类别SCI-E
WOS记录号WOS:000339699600002
WOS关键词TERRESTRIAL COSMOGENIC NUCLIDE ; HOT-SPRINGS TEPHRA ; PAST 250,000 YEARS ; LATE-PLEISTOCENE ; OWENS-LAKE ; MOJAVE DESERT ; PYRAMID LAKE ; MONO LAKE ; LEVEL FLUCTUATIONS ; BONNEVILLE BASIN
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
来源机构United States Geological Survey ; Desert Research Institute
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/184583
作者单位1.US Geol Survey, Lakewood, CO 80225 USA;
2.Desert Res Inst, Reno, NV 89512 USA;
3.Kansas State Univ, Dept Geol, Manhattan, KS 66506 USA
推荐引用方式
GB/T 7714
Reheis, Marith C.,Adams, Kenneth D.,Oviatt, Charles G.,et al. Pluvial lakes in the Great Basin of the western United States a view from the outcrop[J]. United States Geological Survey, Desert Research Institute,2014,97:33-57.
APA Reheis, Marith C.,Adams, Kenneth D.,Oviatt, Charles G.,&Bacon, Steven N..(2014).Pluvial lakes in the Great Basin of the western United States a view from the outcrop.QUATERNARY SCIENCE REVIEWS,97,33-57.
MLA Reheis, Marith C.,et al."Pluvial lakes in the Great Basin of the western United States a view from the outcrop".QUATERNARY SCIENCE REVIEWS 97(2014):33-57.
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