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[Keyword='Climate']
BIOME-BGC: TERRESTRIAL ECOSYSTEM PROCESS MODEL, VERSION 4.1.1
Entry ID:
model_biome-bgc
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Summary
Abstract:
Biome-BGC is a computer program that estimates fluxes and storage of energy, water, carbon, and nitrogen for the vegetation and soil components of terrestrial ecosystems. The primary model purpose is to study global and regional interactions between climate, disturbance, and biogeochemical cycles. Biome-BGC represents physical and biological processes that control fluxes of energy and mass. These processes include new leaf growth and old leaf litterfall, sunlight interception by leaves and penetration to the ground, precipitation routing to leaves and soil, snow accumulation and melting, drainage and runoff of soil water, evaporation of water from soil and wet leaves, transpiration of soil water through leaf stomata, photosynthetic fixation of carbon from CO2 in the air, uptake of nitrogen from the soil, distribution of carbon and nitrogen to growing plant parts, decomposition of fresh plant litter and old soil organic matter, plant mortality, and fire. The model uses a daily time-step, meaning that each flux is estimated for a one-day period. Between days, the program updates its memory of the mass stored in different components of the vegetation, litter, and soil. Weather is the most important control on vegetation processes. Flux estimates in Biome-BGC depend strongly on daily weather conditions. Model behavior over time depends on climate--the history of these weather conditions. A companion file with more information about Biome-BGC and its components is available. Biome-BGC, Version 4.1.1, was developed and is maintained by the Numerical Terradynamic Simulation Group, School of Forestry, the University of Montana, Missoula, Montana, U.S.A. Additional information can be found on their web site at: http://www.ntsg.umt.edu/.
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ISO Topic Category
BIOTA
GEOSCIENTIFIC INFORMATION
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Publications/References
Vitousek, P. M., T. Fahey, D. W. Johnson, and M. J. Swift. 1988. Element
interactions in forest ecosystems: succession, allometry and input-output
budgets. Biogeochemistry 5:7-34.
Thornton, P.E., Law, B.E., Gholz, H.L., Clark, K.L., Falge, E., Ellsworth,
D.S., Goldstein, A.H., Monson, R.K., Hollinger, D., Falk, M., Chen, J. and
Sparks, J.P., 2002. Modeling and measuring the effects of disturbance history
and climate on carbon and water budgets in evergreen needleleaf forests.
Agricultural and Forest Meteorology, 113, 185-222.
Running, S.W. and Coughlan, J.C., 1988. A general model of forest ecosystem
processes for regional applications I. Hydrological balance, canopy gas
exchange and primary production processes. Ecological Modelling, 42: 125-154.
Running, S.W. and Gower, S.T., 1991. FOREST BGC, A general model of forest
ecosystem processes for regional applications II. Dynamic carbon allocation and
nitrogen budgets. Tree Physiology, 9: 147-160.
Kimball, J. S., M. A. White, S. W. Running.(1997) BIOME-BGC simulations of
stand hydrologic processes for BOREAS. Journal of Geophysical Research
102(D24): 29,043-29,051.
Hunt, E. R. Jr., F. C. Martin, S.W. Running. (1991) Simulating the effects of
climatic variation on stem carbon accumulation of a ponderosa pine stand:
comparison with annual growth increment data. Tree Physiology 9: 161-172.
Creation and Review Dates
SERF Creation Date:
2005-09-29
SERF Last Revision Date:
2013-04-25
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