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Approach:
The Boreal Ecosystem-Atmosphere Study (BOREAS) project has addressed fundamental questions
concerning moisture and carbon in the boreal forest biome, such as:
What are the primary mechanisms controlling variability in water and carbon
fluxes within each of the major boreal ecosystem types?
What measured modeling parameters are most important in terms of scaling up the
seasonal patterns of water and carbon cycling across diverse ecosystem types
within the boreal forest region?
Main objectives:
Evaluate the performance of the NASA-CASA (Carnegie-Ames-Stanford Approach)
simulation model against water and carbon fluxes measured independently at
BOREAS field sites.
Refine the concepts and algorithms upon which this generalized scheme for soil
trace gas emissions can be built.
Evaluate requirements to scale-up model results and extrapolate interannual
trace gas flux estimates over the entire North America boreal forest region,
relying on satellite data to characterize properties of the land surface.
Results:
To see the results from the NASA-CASA modeling studies for BOREAS click here.
References
Potter, C. S., J. C. Coughlan, and V. Brooks. 1999. Investigations of BOREAS
spatial data in support of regional ecosystem modeling. J. Geophys.
Res. 104: 27,771-27,788.
Potter, C. S., J. Bubier, P. Crill, and P. LaFleur. 2001. Ecosystem modeling
of methane and carbon dioxide fluxes for boreal forest sites. Can. J. For.
Res. 31: 208-223.
Amthor, J. S., J. M. Chen, J. S. Clein, S. E. Frolking, M. L. Goulden, R. F.
Grant, J. S. Kimball, A. W. King, A. D. McGuire, N. T. Nikolov, C. S.
Potter, S. Wang, and S. C. Wofsy. 2001. Boreal forest CO2 exchange and
evapotranspiration predicted by nine ecosystem process models: Inter-model
comparisons and relations to field measurements. J. Geophys. Res.. 106(D24):33,623-33,648. |