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Percent Change in Vegetation Carbon for the United States and Canada Simulated for the years 2070-2099 versus 1961-1990 by the MC1 Model (NA8K version) and Based on Climate Projections from the HADLEY GCM for the SRES A1 Emission Scenario
Percent Change in Vegetation Carbon for the United States and Canada Simulated for the years 2070-2099 versus 1961-1990 by the MC1 Model (NA8K version) and Based on Climate Projections from the HADLEY GCM for the SRES A1 Emission Scenario
Average vegetation carbon is calculated for 30 year periods for the
historical period and for the future. Percent change is calculated as
((future – historical/historical) x 100). MC1 is a dynamic
vegetation model for estimating the distribution of vegetation and
associated ecosystem fluxes of carbon, nutrients, and water. It was
created to assess the potential impacts of global climate change on
ecosystem structure and function at a wide range of spatial scales from
landscape to global. The model incorporates transient dynamics to make
predictions about the patterns of ecological change. MC1 was created by
combining physiologically based biogeographic rules defined in the MAPSS
model with a modified version of the biogeochemical model, CENTURY. MC1
includes a fire module, MCFIRE, that mechanistically simulates the
occurrence and impacts of fire events. Climate input data sources for
this particular run include the Climatic Research Unit (CRU TS 2.0), the
Canadian Forest Service, and Parameter-elevation Regressions on
Independent Slopes Model (PRISM). CRU data was used to provide the
variability (based on anomalies) and CFS and PRISM were used to provide
the mean climate for 1961-1990. Alaska and conterminous USA soil was
gridded from STATSGO and NATSGO data by Jeff Kern. Canadian soil came
from the North American Generalized Soil Data Set (NAGSOIL), Version
0.2.
Data Provided By:
US Forest Service, Pacific Northwest Research Station
Content date:
2070-2099
Citation:
Daly, C., D. Bachelet, J.M. Lenihan, R.P. Neilson, W. Parton, and D.
Ojima, Dynamic simulation of tree-grass interactions for global change
studies, Ecological Applications, 10, 449-469, 2000.
Bachelet D, Lenihan JM, Daly C, Neilson RP, Ojima DS, Parton WJ (2001).
MC1: A dynamic vegetation model for estimating the distribution of
vegetation and associated carbon, nutrients, and water -- technical
documentation. Version 1.0. General Technical Report PNW-GTR-508.
Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific
Northwest Research Station. c-minute for the downscaled
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The Conservation Biology Institute (CBI) provides scientific expertise to support the conservation and recovery of biological diversity in its natural state through applied research, education, planning, and community service.