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Glacial And Pleistocene History Of The Mammoth Lakes Sierra
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Book Synopsis Glacial and Pleistocene History of the Mammoth Lakes Sierra by : Robert Curry
Download or read book Glacial and Pleistocene History of the Mammoth Lakes Sierra written by Robert Curry and published by . This book was released on 1971 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Glacial and Pleistocene History of the Mammoth Lakes Sierra by : Robert R. Curry
Download or read book Glacial and Pleistocene History of the Mammoth Lakes Sierra written by Robert R. Curry and published by . This book was released on 1971 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geology of the Long Valley Mono Craters, Mammoth Lakes Area by :
Download or read book Geology of the Long Valley Mono Craters, Mammoth Lakes Area written by and published by . This book was released on 1984 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Extent, Timing, and Climatic Significance of Latest Pleistocene and Holocene Glaciation in the Sierra Nevada, California by :
Download or read book Extent, Timing, and Climatic Significance of Latest Pleistocene and Holocene Glaciation in the Sierra Nevada, California written by and published by . This book was released on 1995 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Despite more than a century of study, scant attention has been paid to the glacial record in the northern end of the Sierra Nevada, and to the smaller moraines deposited after the retreat of the Tioga (last glacial maximum) glaciers. Equilibrium-line altitude (ELA) estimates of the ice fields indicate that the Tioga ELA gradients there are consistent with similar estimates for the southern half of the range, and with an intensification of the modern temperature/precipitation pattern in the region. The Recess Peak advance has traditionally been considered to be mid-Neoglacial age, about 2--3,000 yr B.P., on the basis of relative weathering estimates. Sediment cores of lakes dammed behind moraines correlative with Recess Peak in four widely spaced sites yields a series of high-resolution AMS radiocarbon dates which demonstrate that Recess Peak glaciers retreated before (approximately) 13,100 cal yr B.P. This minimum limiting age indicates that the advance predates the North Atlantic Younger Dryas cooling. It also implies that there have been no advances larger than the Matthes in the roughly 12,000 year interval between it and the Recess Peak advance. This finding casts doubt on several recent studies that claim Younger Dryas glacier advances in western North America. The 13,100 cal yr B.P. date is also a minimum age for deglaciation of the sample sites used to calibrate the in situ production rates of cosmogenic 1°Be and 26Al. The discrepancy between this age and the 11,000 cal yr B.P. exposure age assumed in the original calibration introduces a large (> 19%) potential error in late-Pleistocene exposure ages calculated using these production rates.
Book Synopsis Quaternary Climatic and Glacial History of the Sierra Nevada, California by : Robert Rodney Curry
Download or read book Quaternary Climatic and Glacial History of the Sierra Nevada, California written by Robert Rodney Curry and published by . This book was released on 1968 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chronology for fluctuations in late Pleistocene Sierra Nevada glaciers and lakes by : Fred Melville Phillips
Download or read book Chronology for fluctuations in late Pleistocene Sierra Nevada glaciers and lakes written by Fred Melville Phillips and published by . This book was released on 1996 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reflections from the Pleistocene by : Mark Hruska
Download or read book Reflections from the Pleistocene written by Mark Hruska and published by . This book was released on 2018-02-24 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book of line sketch illustrations documents the progress of discovery as the author interpreted an advanced Caucasian Ice Age culture's complex microlithic abstract art figurative language. Their compelling folklore tales recorded the trials and tribulations that they endured on their epic trek to 'here' in their mammoth caravan.
Book Synopsis The Ice Age in North America by : George Frederick Wright
Download or read book The Ice Age in North America written by George Frederick Wright and published by . This book was released on 1911 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Glaciers and the Ice Age by : Gwen Schultz
Download or read book Glaciers and the Ice Age written by Gwen Schultz and published by . This book was released on 1963 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The ice age in North America and its bearings upon the antiquity of man by : Wright
Download or read book The ice age in North America and its bearings upon the antiquity of man written by Wright and published by . This book was released on 1889 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Changes in the Courses of Some Pleistocene Glaciers and Their Relation to Interglaciation by : John Ernst Kesseli
Download or read book Changes in the Courses of Some Pleistocene Glaciers and Their Relation to Interglaciation written by John Ernst Kesseli and published by . This book was released on 1941 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis GLACIAL GEOLOGY AND THE PLEISTOCENE EPOCH by : RICHARD FOSTER FLINT
Download or read book GLACIAL GEOLOGY AND THE PLEISTOCENE EPOCH written by RICHARD FOSTER FLINT and published by . This book was released on 1947 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book After the Ice Age written by E.C. Pielou and published by University of Chicago Press. This book was released on 2008-04-15 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fascinating story of how a harsh terrain that resembled modern Antarctica has been transformed gradually into the forests, grasslands, and wetlands we know today.
Book Synopsis Late Pleistocene Glaciation of the Upper Truckee River Valley, Sierra Nevada, California by : Brandi R. Molitor
Download or read book Late Pleistocene Glaciation of the Upper Truckee River Valley, Sierra Nevada, California written by Brandi R. Molitor and published by . This book was released on 2003 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chronology and Paleoclimate of Late Pleistocene Glaciation in the Klamath Mountains, CA by : Nathan W. Dickey
Download or read book Chronology and Paleoclimate of Late Pleistocene Glaciation in the Klamath Mountains, CA written by Nathan W. Dickey and published by . This book was released on 2016 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Glaciers are sensitive to local and global climate variations, especially to changes in precipitation and temperature over sub-millennial timescales. Therefore, glacial deposits are excellent tools for reconstructing past climates. The western United States exhibits an excellent record of glaciation, but ongoing work across the region shows complex and yetunexplained variation in timing and extent of deglaciation between different mountain ranges at the end of the Last Glacial Maximum (LGM). The Trinity Alps of the southern Klamath Mountains in Northern California contain an excellent record of Pleistocene glaciation which I use to fill a significant spatial gap in published glacial chronologies and to provide a bridge between the Sierra Nevada and the Cascades. The Trinity Alps Wilderness is a 2,130 sq. km. federally designated area located at 41.00° N, 123.00°W, approximately 60 km southwest of Mt. Shasta in Northern California. Glacial deposits in the Trinity Alps were located using Google Earth and previously published maps, and were confirmed in the field. Building on a series of previous expeditions, in the summer of 2015 twenty-four samples from five moraines were taken for 10Be exposure dating, as well as three samples from striated bedrock. Of these, six samples were selected for exposure age analysis: five from two early LGM moraines and one from an older moraine. These ages, in addition to twenty-four ages determined in a previous study, provide evidence for at least two stages of post-LGM glaciation of similar extent throughout the Trinity Alps: the first ending at 16.83 ± 1.85 ka, the second at 12.29 ± 1.23 ka. These ages correlate with the regional LGM (~17 ka) and the global Younger Dryas (~12 ka) cooling event, respectively. The moraine maps were then used to constrain results from a climate-driven 2D numerical model of glacier mass balance and flow. This model was used to determine the potential precipitation and temperature difference from modern climate that would generate the mapped glaciers. Comparison of the resulting paleoclimate curves with nearby proxies and global climate models suggest that an approximate 5.5°C decrease in temperature and 0 to 25% increase in precipitation drove LGM glaciation in the region. Additionally, these results suggest that a similarly wet but slightly warmer-than-LGM climate drove a regionally asynchronous re-advance in the Trinity Alps linked with the Younger Dryas cooling event.
Book Synopsis The Call of Distant Mammoths by : Peter D. Ward
Download or read book The Call of Distant Mammoths written by Peter D. Ward and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: To help us understand what happened during the Ice Age, Peter Ward takes us on a tour of other mass extinctions through earth's history. He presents a compelling account of the great comet crash that killed off the dinosaurs, and describes other extinctions that were even more extensive. In so doing, he introduces us to a profound paradigm shift now taking place in paleontology: rather than arising from the gradual workings of everyday forces, all mass extinctions are due to unique, catastrophic events. Written with an irresistible combination of passion and expertise, The Call of Distant Mammoths is an engaging exploration of the history of life and the importance of humanity as an evolutionary force. "Carefully argued...an intelligent and compelling book."-THE OLYMPIAN, SEATTLE, WASHINGTON "Ward deftly summarizes a large body of scientific literature, simplifying complex ideas for the general reader without condescension."-PUBLISHERS WEEKLY "Did the overkill really happen?...Peter Ward deftly summarizes the arguments...Ward tells (the story) well."-THE NEW SCIENTIST
Download or read book Mammoth written by Richard Stone and published by Perseus Publishing. This book was released on 2001 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: The author chronicles the recent search for the carcass of a mammoth using Soviet-era helicopters, ground penetrating radar, and GPS as tools of the trade as scientists attempt to unlock the mysteries of how this ancient creature lived and died. 35,000 first printing.