NCEAS Project 2040

Arctic boreal processes that feed back to climate: Extrapolation and synthesis

  • F. Stuart Chapin

ActivityDatesFurther Information
Workshop6th—9th April 1997Participant List  
Workshop10th—13th April 1997Participant List  

Members Only Area

Abstract
Changes in high-latitude ecosystems are likely to have major feedbacks to global climate through changes in carbon storage, trace-gas fluxes, and surface energy balance. These feedbacks to climate may occur as rapidly as any other changes on the earth's surface. However, there is currently considerable debate about even the sign of these climate feedbacks, much less their magnitude. Two limitations to estimating high-latitude feedbacks are (1) lack of integration of process-level studies conducted over long time periods with estimates of regional variation in processes and (2) lack of explicit tests of the extrapolation of results from one region to another. This workshop is intended to address this gap for North American high-latitude ecosystems. The workshop seeks to integrate understanding from five major high-latitude climate-feedback studies: BOREAS, the Arctic FLUX study, the Canadian Northern Wetlands Study, and the arctic and boreal LTER programs in Alaska. The workshop is split into two consecutive sessions, one on arctic/boreal vegetation change and surface energy balance (April 6-9), and a second on arctic/boreal CO2 and CH4 flux (April 10-13). Each session will be a combination of presentations of current understanding and of working groups to discuss the discrepencies and complementarities of different perspectives.

TypeProducts of NCEAS Research
Journal Article Baldocchi, Dennis; Kelliher, Francis M.; Black, T. A.; Jarvis, P. 2000. Climate and vegetation controls on boreal zone energy exchange. Global Change Biology. Vol: 6(S1). Pages 69-83.
Report or White Paper Chapin, F. Stuart. 1997. Arctic-boreal climate feedbacks: Synthesis of information from integrated research programs. (Online version)
Journal Article Chapin, F. Stuart; McGuire, A. David; Randerson, James T.; Pielke, Roger; Baldocchi, Dennis; Hobbie, Sarah E.; Roulet, Nigel; Eugster, Werner; Kasischke, Eric S.; Rastetter, Edward; Zimov, Sergei; Running, Steven W. 2000. Arctic and boreal ecosystems of western North America as components of the climate system. Global Change Biology. Vol: 6(S1). Pages 211-223.
Journal Article Clein, J. S.; Kwiatkowski, B. L.; McGuire, A. David; Hobbie, John; Rastetter, Edward; Melillo, Jerry M.; Kicklighter, David W. 2000. Modelling carbon responses of tundra ecosystems to historical and projected climate: A comparison of a plot- and a global-scale ecosystem model to identify process-based uncertainties. Global Change Biology. Vol: 6(S1). Pages 141-159.
Journal Article Eugster, Werner; Rouse, Wayne; McFadden, Joseph P.; Baldocchi, Dennis; Kittel, Timothy; Chapin, F. Stuart; Liston, Glen E.; Vidale, Pier Luigi; Vaganov, Eugene; Chambers, Scott. 2000. Land-atmosphere energy exchange in Arctic tundra and boreal forest: Available data and feedbacks to climate. Global Change Biology. Vol: 6(S1). Pages 84-115.
Journal Article Fleming, Michael; Chapin, F. Stuart; Cramer, Wolfgang; Hufford, G. L.; Serreze, Mark. 2000. Geographic patterns and dynamics of Alaskan climate interpolated from a sparse station record. Global Change Biology. Vol: 6(S1). Pages 49-58.
Journal Article Harden, Jennifer W.; Trumbore, Sue; Stocks, Brian; Hirsch, A.; Gower, Stith T.; O'Neill, K. P.; Kasischke, Eric S. 2000. The role of fire in the boreal carbon budget. Global Change Biology. Vol: 6(S1). Pages 174-184.
Journal Article Hobbie, Sarah E.; Schimel, Joshua P.; Trumbore, Sue; Randerson, James T. 2000. Controls over carbon storage and turnover in high-latitude soils. Global Change Biology. Vol: 6(S1). Pages 196-210.
Journal Article Keyser, Alisa R.; Kimball, John; Nemani, R. R.; Running, Steven W. 2000. Simulating the effects of climate change on the carbon balance of North American high-latitude forests. Global Change Biology. Vol: 6(S1). Pages 185-195.
Journal Article Kittel, Timothy; Steffen, Will; Chapin, F. Stuart. 2000. Global and regional modelling of Arctic-boreal vegetation distribution and its sensitivity to altered forcing. Global Change Biology. Vol: 6(S1). Pages 1-18.
Journal Article Malmstrom, Carolyn; Raffa, Ken. 2000. Biotic disturbance agents in the boreal forest: Considerations for vegetation change models. Global Change Biology. Vol: 6(S1). Pages 35-48.
Journal Article McGuire, A. David; Clein, J. S.; Melillo, Jerry M.; Kicklighter, David W.; Meier, R.A.; Vorosmarty, Charles J.; Serreze, Mark. 2000. Modelling carbon responses of tundra ecosystems to historical and projected climate: Sensitivity of pan-Arctic carbon storage to temporal and spatial variation in climate. Global Change Biology. Vol: 6(S1). Pages 141-159.
Journal Article Oechel, Walter C.; Vourlitis, George; Verfaillie, J.; Crawford, T.; Brooks, Shane; Dumas, E.; Hope, A.; Stow, D.; Boynton, Bill; Nosov, V.; Zulueta, R. 2000. A scaling approach for quantifying the net CO2 flux of the Kuparuk River Basin, Alaska. Global Change Biology. Vol: 6(S1). Pages 160-173.
Journal Article Rouse, Wayne. 2000. The energy and water balance of high-latitude wetlands: Controls and extrapolation. Global Change Biology. Vol: 6(S1). Pages 59-68.
Journal Article Walker, Donald (Skip) A. 2000. Hierarchical subdivision of Arctic tundra based on vegetation response to climate, parent material and topography. Global Change Biology. Vol: 6(S1). Pages 19-34.
Journal Article Williams, Matt; Eugster, Werner; Rastetter, Edward; McFadden, Joseph P.; Chapin, F. Stuart. 2000. The controls on net ecosystem productivity along an Arctic transect: A model comparison with flux measurements. Global Change Biology. Vol: 6(S1). Pages 116-126.