Notes on Holocene Glacial Events in Greenland
Author | : A.. Weidick |
Publisher | : |
Total Pages | : 28 |
Release | : 1972 |
Genre | : Geology |
ISBN | : |
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Author | : A.. Weidick |
Publisher | : |
Total Pages | : 28 |
Release | : 1972 |
Genre | : Geology |
ISBN | : |
Author | : H. Schroeder-Lanz |
Publisher | : CRC Press |
Total Pages | : 689 |
Release | : 2020-11-17 |
Genre | : Technology & Engineering |
ISBN | : 1000151441 |
This volume represents the proceedings from a colloquium held in West Germany in 1980 on late and postglacial oscillations of glaciers. The main texts are in German (13), English (8) and French (5) but all have abstracts in the three languages and all the figure captions are similarly translated.
Author | : Laura B. Levy |
Publisher | : |
Total Pages | : 408 |
Release | : 2014 |
Genre | : |
ISBN | : |
"The Greenland Ice Sheet (GrIS) is responding sensitively to climate change and its meltwater has the potential to influence global sea level. Recently, large changes in the GrIS have occurred including increased velocities of outlet glaciers and melt over ~97% of the ice sheet. One means to understand modern and help predict future changes in the GrIS is to examine how it responded to past climate conditions. In this dissertation I provide a longer-term perspective of changes in the GrIS as well as in smaller, independent glaciers near the ice sheet margins (i.e., "local" glaciers). My research documents the past extents of the GrIS in central East and southern West Greenland during the Holocene Epoch (11,600 yrs ago-present) and provides evidence for climate conditions along the ice sheet margin during late glacial time (~17,500-11,600 yrs ago) and the Holocene Epoch. I use geomorphic mapping, surface exposure dating and lake sediment analyses to demonstrate that the GrIS and local glaciers in central East Greenland were receding during the Younger Dryas cold event (~12,900-11,600 yrs ago) and deposited the Milne Land stade moraines at the end of the Younger Dryas. I hypothesize that these ice marginal fluctuations were primarily influenced by air or ocean surface temperatures. I document the Holocene fluctuations of a local glacier that completely disappeared indicating peak warm conditions between ~9.3 and 6.0 cal kyr BP. The formation of this glacier at 2.6 cal kyr BP and its persistence from ~1.9 cal kyr BP-present suggests cold conditions during late Holocene time. I also use geomorphic mapping and surface exposure dating to document the extents of the GrIS in southern West Greenland, near Kangerlussuaq. I show that the Keglen, Ørkendalen and Historical moraines were deposited at 7.3 ka, 6.3 ka, and by ~AD 1950, respectively. These data indicate that the GrIS was as small as or smaller than at present during much of middle to late Holocene time. Finally, I synthesize my results and discuss possible causes of GrIS marginal changes in central East and southern West Greenland including changes in air and ocean temperatures and changes in sea level."
Author | : George Frederick Wright |
Publisher | : London : K. Paul, Trench, Trübner |
Total Pages | : 454 |
Release | : 1896 |
Genre | : Geology |
ISBN | : |
Describes excursion to Greenland in 1894 with Dr. F.A. Cook, with observations on land and sea ice, peoples, plants and animals. Discusses Pleistocene glaciation and its causes. (AB 19714).
Author | : Anker Weidick |
Publisher | : |
Total Pages | : 88 |
Release | : 2007 |
Genre | : Glaciers |
ISBN | : |
Author | : Jack D. Ives |
Publisher | : Routledge |
Total Pages | : 1202 |
Release | : 2019-10-08 |
Genre | : Nature |
ISBN | : 1000698947 |
Originally published in 1974, Arctic and Alpine Environments examines, the relatively simple ecosystems of arctic and alpine lands that still occupy extensive areas little disturbed by modern technology. The book argues that there is a necessity for carefully controlled development of the resources of these regions and suggests that there is a risk of irreversible disturbance without full understanding of these regions. This book provides a detailed documentation of cold-stressed arctic and alpine terrestrial environments and systematically deals with the present and past physical environment – climate, hydrology and glaciology; biota – treeline, vegetation, vertebrate zoology, and historical biogeography; abiotic processes – geomorphological and pedological and the role of man – bioclimatology, archaeology and technological impact, including radioecology. The book will appeal to academics and students of environmental and biological science, as well as providing a significant source for conservationists’, government agencies and industrial organizations.
Author | : Arthur Escher |
Publisher | : |
Total Pages | : 618 |
Release | : 1976 |
Genre | : Geology |
ISBN | : |
Provides a modern account of all aspects of Greenland's geology.
Author | : J T Andrews |
Publisher | : Taylor & Francis |
Total Pages | : 803 |
Release | : 2024-06-28 |
Genre | : Science |
ISBN | : 1040087361 |
First published in 1985, Quaternary Environments represents the culmination of Quaternary research in the region of Baffin Island, Baffin Bay and West Greenland over a period of twenty years and it will serve as a timely and complementary balance to the paleo- oceanographic studies in the NE North Atlantic. The region of Baffin Island, Baffin Bay and West Greenland is probably the best place in the world to examine the interactions between ice, land and oceans on timescales of a few hundred to many thousands of years. Two introductory chapters outline the history of research and the physical background. In Part II the evidence for glacial erosion and deposition over the eastern Canadian Arctic is examined and the history of the Baffin Island continental shelf is described. Part III deals with the paleo- oceanography of Baffin Bay and the Labrador Sea through an examination of deep-sea cores dated by several different methods. In Part IV there is a comprehensive account of the stratigraphy of Baffin Island, Bylot Island, and West Greenland, from the Pliocene to the late Wisconsin. Part V examines the climatic effects of the past 10,000 years, considering evidence from pollen analysis, glacier fluctuations, changes of sea level and the response of early (Eskimo) man. This important volume will interest all quaternary scientists, especially those in glaciology, glacial geology, marine geology, and geomorphology.
Author | : Donna Naughton |
Publisher | : University of Toronto Press |
Total Pages | : 580 |
Release | : 2003-01-01 |
Genre | : Science |
ISBN | : 9780802048172 |
This book focuses on highlights (species mentioned, locality, geological age, stratigraphic positions, etc.) of nearly 1000 items published between 1821 and 2000, dealing with the remains of vertebrates that lived from about 2 million to 5000 years ago.
Author | : Anker Weidick |
Publisher | : |
Total Pages | : 550 |
Release | : 1975 |
Genre | : Geology |
ISBN | : |