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Table of Contents - Special Paper 319

Eva Interglaciation Forest Bed, Unglaciated East-Central Alaska: Global Warming 125,000 Years Ag

Abstract

Introduction

Acknowledgments

Physical setting

Topography and geology
Summary of late Cenozoic stratigraphy
Modern climate
Present permafrost
Modern vegetation

Eva Forest Bed

Description
Eva Forest Bed as a stratigraphic unit
Trees of the Eva Forest Bed
Pollen Distribution
Stratigraphy
General statement
Relation of tephra layers in upper Gold Hill Loess to Eva Forest Bed Age
Early stratigraphic interpretation
Radiocarbon dating
Tephrochronology
Thermoluminescence
Summary of age discussion

Paleoenvironmental interpretation

Preliminary statement
Environment of the loess formations bracketing the Eva Forest Bed
Early history of investigation
Modern systematic studies Dendrochronology of Eva Forest Bed trees and comparisons with modern trees
Introduction
Ring width and density in Eva Forest Bed and modern trees
General ring characteristics of the Eva Forest Bed samples
Statistics of ring width and density time series
Variability of past climate 12C/12C isotopic ratios of Eva Forest Bed trees and comparison with modern and Holocene trees
delta13C comparison of modern, Holocene, and Eva Forest Bed trees
Environmental implications of delta13C Summary of the environment of the Eva interglaciation Forest Bed
Introductory statement
Botanical evidence—Yukon-Tanana Upland
Physical evidence—Yukon-Tanana Upland
Adjacent Yukon Territory, Canada
Astronomical climatic inferences

Concluding remarks

References cited