Ecosystem responses to recent climate change and fire disturbance at northern high latitudes: Observations and model results contrasting northern Eurasia and North America

S. J. Goetz, M. C. MacK, Kevin Gurney, J. T. Randerson, R. A. Houghton

Research output: Contribution to journalArticle

121 Citations (Scopus)

Abstract

Vegetation composition at high latitudes plays a critical role in the climate and, in turn, is strongly affected by the climate. The increased frequency of fires expected as a result of climate warming at high latitudes will feedback positively to further warming by releasing carbon to the atmosphere, but will also feedback negatively by increasing the surface albedo. The net effect is complex because the severity of fire affects the trajectory of both carbon stocks and albedo change following a fire, and these are likely to differ between high latitude ecosystems in North America and northern Eurasia. Here we use growth trajectories, productivity trends and regional carbon fluxes to characterize these fire-and climate-driven changes.

Original languageEnglish (US)
Article number045031
JournalEnvironmental Research Letters
Volume2
Issue number4
DOIs
StatePublished - Oct 1 2007
Externally publishedYes

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ecosystem response
Climate Change
North America
Climate change
Ecosystems
Ecosystem
Fires
Climate
disturbance
climate change
climate
Carbon
albedo
warming
trajectory
Trajectories
Feedback
Carbon Cycle
carbon
carbon flux

Keywords

  • Albedo
  • Climate
  • Disturbance
  • Ecosystem
  • Energy budget
  • Feedbacks
  • Forcing
  • Productivity
  • Regrowth
  • Response

ASJC Scopus subject areas

  • Environmental Science(all)
  • Renewable Energy, Sustainability and the Environment
  • Public Health, Environmental and Occupational Health

Cite this

Ecosystem responses to recent climate change and fire disturbance at northern high latitudes : Observations and model results contrasting northern Eurasia and North America. / Goetz, S. J.; MacK, M. C.; Gurney, Kevin; Randerson, J. T.; Houghton, R. A.

In: Environmental Research Letters, Vol. 2, No. 4, 045031, 01.10.2007.

Research output: Contribution to journalArticle

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