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Project ID: 12-3-01-27

Year: 2012

Date Started: 08/01/2012

Date Completed: 01/14/2015

Title: Impacts of Past Warming Episodes on Fire Frequency, Carbon Fluxes and Soil Erosion in the Alaskan Boreal Forest: Lessons from the Past

Project Proposal Abstract: As part of my dissertation, I propose to study the interactions between climate change, wildland fires, and post-fire permafrost thaw over the last 1,000 years (permafrost; permanently frozen ground occurring in boreal regions). The last 1,000 years has seen sizable climate changes in Alaska including the Medieval Warm Period (MWP, AD 950-1250), the Little Ice Age (LIA, AD 1300-1900), and the dramatic warming trend that has occurred in Alaska since AD 1950 (1). My overall research question is: What effects have warming episodes in the recent past had on fire frequency, carbon fluxes, and soil erosion in black spruce forest in Interior Alaska? To study the these interactions I will use a unique time series provided by annually layered lake sediment records (varves). Through these varved records, I will be able to quantify the changing inputs of charcoal, and thaw-induced soil erosion from Interior Alaskan watersheds at annual time steps. Results of this study will be useful in forecasting how wildland fire regimes and boreal-forest landscapes could respond to further climatic warming over the coming century. This project is being proposed for the climate change and fire category of the GRIN fellowship.

Principal Investigator: Daniel H. Mann Ph.D.

Agency/Organization: University of Alaska-Fairbanks

Branch or Dept: Geosciences Department

Other Project Collaborators




Branch or Dept

Agreements Contact

Gwendolen M. Griscavage

University of Alaska-Fairbanks

Grants & Contract Administration

Budget Contact

Jason W. Theis

University of Alaska-Fairbanks

SNRAS-School of Natural Resources & Agricultural Sciences

Student Investigator

Benjamin V. Gaglioti

University of Alaska-Fairbanks

Geosciences Department

Project Locations










Private lands

Project Deliverables

Final Report view or print

("Results presented in JFSP Final Reports may not have been peer-reviewed and should be interpreted as tentative until published in a peer-reviewed source.")

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