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Greenland Ice Core: Geophysics, Geochemistry, and the Environment

Greenland Ice Core: Geophysics, Geochemistry, and the Environment

C. C. Langway Jr. (Editor), H. Oeschger (Editor), W. Dansgaard (Editor)

ISBN: 978-1-118-66415-5

Mar 2013, American Geophysical Union

118 pages

Select type: Online Book


Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 33.

The Greenland Ice Sheet Program (GISP) is already recognized as a major achievement in glaciology. GISP support came from the Swiss National Science Foundation, the Danish Commission for Scientific Research in Greenland and the United States National Science Foundation. And with the spirit, drive, and ability of Hans Oeschger, Willi Dansgaard and Chester Langway, GISP was planned, undertaken and successfully concluded. The results presented here demonstrate the significance of the climatic record stored in ice sheets and reemphasizes the need for additional deep ice cores from Greenland and Antarctica.

J. H. Zumberge and R. H. Rutford ix

R. L. Cameron x

The Greenland Ice Sheet Program in Perspective
C. C. Langway Jr., H. Oeschger, and W. Dansgaard 1

The Contribution of Ice Core Studies to the Understanding of Environmental Processes
H. Oeschger 9

A Battery Powered, Instrumented Deep Ice Core Drill for Liquid Filled Holes
N.S. Gunderstrup and S. J. Johnsen 19

Ultrasonic Velocities and Crystalline Anisotropy in the Ice Core from Dye 3, Greenland
S. L. Herron, C. C. Langway, Jr., and K. A. Brugger 23

Measurements of a Kind of DC-Conduetivity on Cores from Dye 3
A. Neftel, M. Andree, J. Schwander, B. Stauffer and C. U. Hammer 32

Mechanical Properties of Fresh Ice Core From Dye 3, Greenland
H. Shoji and C. C. Langway, Jr. 39

Bedrock Topography of the Greenland lee Sheet in the Dye 3 Area
S. Overgaard and N. S. Gundestrup 49

Dating the Dye 3 Deep Ice Core by Flow Model Calculations
N. Rech, S. J. Johnsen, and D. DahI-Jensen 57

10Be Variations in Polar Ice Cores
J. Beer, M. Andree, H. Oeschger, B. Stauffer, R. BaLzer, G. Bonani, Ch. Stoller, M.Suter, Wolfi, and R. C. Finkel 66

Dating and Climatic Interpretation of Two Deep Greenland Ice Cores
H. B. Clausen, .V. Gundestrup, S. J. Johnsen, and C. Rygner 71

Chloride, Nitrate, and Sulfate in the Dye 3 and Camp Century, Greenland Ice Cores
M. M. Herron and C. C. Langway, Jr. 77

CO2, Concentration in Air Extracted from Greenland ice Samples
B. Stauffer, A, Neftel, H. Oeschger, and J. Schwander 85

ContinuousIm purity AnalysisA longt he Dye 3 DeepC ore
C. U. Hammer, H. B. Clausen, W. Dansgaard, A. Neftel, P. Kriistinsdottier, and E. Johnson 90

The Historical Record of Artificial Radioactive Fallout from the Atmosphere in Polar Glaciers
M. Koide and E. D. Goldberg 95

Present Status and Future of Lead Studies in Polar Snow
C. C. Patterson C. Boutron, and R. Fiegat 101

A Geophysical Survey of Subglacial Geology Around the Deep-Drilling Site at Dye 3, Greenland
K. C. Jezek, E. A. Roeloff, and L. L. Greischar 105

A Steady-State Prediction of Dye 3 Core Features
B. Melnnes and U. Radok 111

D. M. Anderson 118