Northwestern North America

D. G. Gavin, Feng Sheng Hu

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The mountainous terrain of northwestern North America currently supports a range of vegetation spanning coastal temperate rain forest to sagebrush steppe. Pollen records indicate a diverse set of ecological processes tracking a complex climate history. The region was divided by the Cordilleran ice sheet until close to the end of the Pleistocene. Abrupt climate changes during the deglacial led to rapid vegetation changes in northern areas, but vegetation in southern regions was less sensitive. Early Holocene vegetation indicated warmer and drier climates with more frequent fire from Oregon to central British Columbia, but in Alaska, conifer forest was slower to establish, indicating a complex climatic history. The late Holocene was marked by increased forest density and cool-adapted taxa in Oregon to British Columbia and increased black spruce peatland vegetation in Alaska.

Original languageEnglish (US)
Title of host publicationEncyclopedia of Quaternary Science
Subtitle of host publicationSecond Edition
PublisherElsevier Inc.
Pages124-132
Number of pages9
ISBN (Electronic)9780444536433
ISBN (Print)9780444536426
DOIs
StatePublished - Jan 1 2013

Fingerprint

vegetation
Cordilleran Ice Sheet
Holocene
climate
history
peatland
steppe
coniferous tree
pollen
North America
Pleistocene
climate change
rain forest

Keywords

  • Alaska
  • British Columbia
  • Climate change
  • Forest fire
  • Holocene
  • Mount Mazama
  • Oregon
  • Pollen analysis
  • Refugia
  • Tree migration
  • Washington
  • Younger Dryas

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

Cite this

Gavin, D. G., & Hu, F. S. (2013). Northwestern North America. In Encyclopedia of Quaternary Science: Second Edition (pp. 124-132). Elsevier Inc.. https://doi.org/10.1016/B978-0-444-53643-3.00196-5

Northwestern North America. / Gavin, D. G.; Hu, Feng Sheng.

Encyclopedia of Quaternary Science: Second Edition. Elsevier Inc., 2013. p. 124-132.

Research output: Chapter in Book/Report/Conference proceedingChapter

Gavin, DG & Hu, FS 2013, Northwestern North America. in Encyclopedia of Quaternary Science: Second Edition. Elsevier Inc., pp. 124-132. https://doi.org/10.1016/B978-0-444-53643-3.00196-5
Gavin DG, Hu FS. Northwestern North America. In Encyclopedia of Quaternary Science: Second Edition. Elsevier Inc. 2013. p. 124-132 https://doi.org/10.1016/B978-0-444-53643-3.00196-5
Gavin, D. G. ; Hu, Feng Sheng. / Northwestern North America. Encyclopedia of Quaternary Science: Second Edition. Elsevier Inc., 2013. pp. 124-132
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