1 edition of Pleistocene and post-Pleistocene climatic variations in the Pacific area found in the catalog.
Pleistocene and post-Pleistocene climatic variations in the Pacific area
|Statement||Editor: David I. Blumenstock.|
|Contributions||Blumenstock, David I. 1913-1963., National Academy of Sciences (U.S.), Pacific Science Congress (10th : 1961 : Honolulu, Hawaii)|
|LC Classifications||QC884 .P58|
|The Physical Object|
|Pagination||ix, 182 p.|
|Number of Pages||182|
|LC Control Number||67007120|
The Pleistocene (/ ˈ p l aɪ s. t ə ˌ s iː n,-t oʊ-/ PLYSE-tə-seen, -toh-, often colloquially referred to as the Ice Age) is the geological epoch that lasted from about 2,, to 11, years ago, spanning the world's most recent period of repeated end of the Pleistocene corresponds with the end of the last glacial period and also with the end of the Paleolithic age. During the Pleistocene, so much water was tied up in glaciers and snow, that sea levels were more than feet below those of today. This exposed wide continental shelves along Oregon's coast. The glaciers in the Montana area dammed up a series of large valleys that filled with fresh water lakes. The largest was Lake Missoula.
New Frontiers in the Study of Pleistocene-to-Modern Records of Climate Change Aradhna Tripati, University of California, Los Angeles. We have made numerous inroads in the study of Earth’s climate history since the s, including discovering that present-day levels of greenhouse gases are unprecedented based on the analysis of the chemistry of ice cores and sediment, that climate . Post-Pleistocene Archaic adaptation to temperate climate is most similar to the Mesolithic period in northern Europe. Megafauna died out or moved north with glaciers in both areas, resulting in change in resources available to hunter-gatherers.
Siliceous microfauna in sediments from North Pacific Deep Sea Drilling Project sites record the response of the regional surface and near-surface waters to global climate change over the past Ma. During the Late Pliocene ( Ma), the northern subtropical and subpolar Pacific experienced warmer climate conditions than those of today. Modern climatic data for the Pleistocene: Implications for a new concept of the orbital theory of paleoclimate Variations in the angle ε are basically linked to modern climatic data for the pleistocene is at aphelion, it will be its Southern Hemisprere to face the Sun (Figure 1). Hence, the strongest climatic contrasts—i.e.
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Pleistocene and post-Pleistocene climatic variations in the Pacific area. [Honolulu] Bishop Museum Press, (OCoLC) Material Type: Conference publication: Document Type: Book: All Authors / Contributors: David I Blumenstock; National Academy of.
Finally, to explore for different Pleistocene effects across regions, we also calculated the probability that a phylogenetic node has all its descendant species within a given region, independently for nodes occurring either before and after the beginning of the Pleistocene ( Mya; herein pre-Pleistocene and post-Pleistocene nodes).Cited by: 1.
Paleovegetation maps were reconstructed based on a network of pollen records from Australia, New Zealand, and southern South America for 18, and BP and interpreted in terms of paleoclimatic patterns. These patterns permitted us to speculate on past atmospheric circulation in the South Pacific and the underlying forcing Cited by: HEUSSER, C.
Pleistocene climatic variations in the Western United States. in Pleistocene and post~Pleistocene climatic variations in the Pacific area (D. Blumenstock, Ed.). Honolulu, B. Bishop Mus.
Press. MEI•rZER, O.E. Map of the Pleistocene lakes of the Basin-and-Range Prov- ince and its significance. Geol. Soc. Amer. post-pleistocene geographic variation in juniperus communis in north america Article (PDF Available) January with 62 Reads How we measure 'reads'.
Climate change at the Pleistocene-Holocene boundary in the Pacific Northwest: a comparison Pleistocene in the Pacific Northwest. changes in the landscape occurred in all physiographic regions of the Pacific Northwest. Across the area, the base levels of major rivers and lakes dropped, the frequency and.
POLAR ice contains a unique record of past climate variations; previous Greenland ice cores have documented relatively warm ‘interstadial’ periods during the last glaciation and short. Especially the responses of Amazonian environmental conditions to Pleistocene glaciations, characterized by large changes in atmospheric greenhouse gas concentrations, and to abrupt shifts in the North Atlantic and global climate, are of great interest (Cheng et al.,Kanner et al.,Wang et al., ).
While glacial–interglacial variability can be used to study the impact of large global temperature and sea level variations Cited by: Glaciation in the Pleistocene was a series of glacials and interglacials, stadials and interstadials, mirroring periodic changes in climate. The main factor at work in climate cycling is now believed to be Milankovitch cycles.
These are periodic variations in regional and planetary solar radiation reaching the Earth caused by several repeating changes in the Earth's motion.
The Central Europeans show an overall decrease of femoral and tibial cortical area and average bending strength between the Terminal Pleistocene and early Holocene up to the Bronze Age (femoral. The Holocene climate history showed three stages of natural climate oscillations in the Baltic Sea region: short-term cold episodes related to deglaciation during a stable positive temperature trend (11,– cal year BP); a warm and stable climate with air temperature – °C above modern levels (– cal year BP), a Cited by: Pleistocene Epoch, earlier and major of the two epochs that constitute the Quaternary Period of the Earth’s history, and the time period during which a succession of glacial and interglacial climatic cycles occurred.
The base of the Gelasian Stage (2, to 1, years ago) marks the beginning of Pleistocene. "The authors make a compelling case that a marked change in artifact types is a result of population shifts in the Pacific Northwest well-organized and well-written a welcome summary of data on the Paleoindian and Archaic in Sonora, Mexico an excellent summary of recent data on the Late Pleistocene through Early Holocene developments in 4/5(1).
The Pleistocene ice ages was a natural continuation of the cooling of Earth that had taken place throughout Cenozoic. Time progresses from left to right. The cold climate of the Pleistocene was a natural continuation of the last 55 million years falling temperatures.
In particular two factors were essential for the formation of the great glaciers. The fresher tropical Pacific Ocean at Ma can be transported to North Pacific via ocean currents, which would decrease freezing point for cold seawater in North Pacific.
This would potentially cause more sea ice formation and climate cooling in the North Pacific area, intensifying the North Pacific high pressure system (Motoi and Chan, Cited by: 5.
DIVERSIFICATION WITHIN THE MEXICAN VOLE (MICROTUS MEXICANUS) AND THE ROLE OF POST-PLEISTOCENE CLIMATE CHANGE Dolly L. Crawford1, Jerry W. Dragoo2, Felisa A.
Smith2, and Andrea N. Chavez3 ABSTRACT.—To examine the partitioning of genetic variation within the Mexican vole (Microtus mexicanus), weFile Size: KB. In the marine environment, fluctuations in sea level, water temperatures and sea ice caused by glacial cycles are believed to have had a major influence on species distributions and the population connectivity of marine species [1–3].For instance, lowered sea levels during glacial maxima led to the emergence of land bridges, which fragmented marine ecosystems Cited by: The Pleistocene - The Age of Ice Before the Pleistocene.
Throughout much of the earth's history, long before humanity came onto the scene (from say 2, million years ago to 2 million years ago), the global climate was much warmer than now, with the global mean temperature as much as 8°C to 15°C warmer than it is today.
A number of authors have advanced the argument that the onset Pleistocene climate fluctuation is responsible for the evolution of human anatomy and cognition.
This hypothesis is in contrast to the common idea that humans represent a revolutionary breakthrough rather than a conventional adaptation to a particular ecological niche. Pacific. Palynological evidence is rapidly becoming available A review of late Pleistocene and early post-Pleistocene environmental changes in southwestern Asia and Egypt, written infaces these very same difficulties.
evidence on Pleistocene and Holocene climatic variation in the Near East (Butzer, ), attempting to organize the. T Pleistocene and post-Pleistocene climatic variations in the Pacific area: a symposium / edited by David I. Blumenstock, Internet,Blumenstock, David I.
() Blumenstock, David Irving Blumenstock, David I. Blumenstock David I. Pleistocene and post-Pleistocene climatic variations in the Pacific.Pleistocene Epoch - Pleistocene Epoch - Pleistocene fauna and flora: The plants and animals of the Pleistocene are, in many respects, similar to those living today, but important differences exist.
Moreover, the spatial distribution of various Pleistocene fauna and flora types differed markedly from what it is at present.Altogether, Bousman and Vierra have assembled a handsome, must-have work for Pleistocene/Holocene Transition archaeologists the world over, as well as a practical, worthwhile reference book for post-Pleistocene archaeologists who want to better understand the cultures foundational to the rest of North American archaeology.”—Metin I.