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Integration of Process-based Soil Respiration Models with Whole-Ecosystem CO2 Measurements

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Zobitz, John M, Moore, David J P, Sacks, William J, Monson, Russell K, Bowling, David R, and Schimel, David S, Integration of Process-based Soil Respiration Models with Whole-Ecosystem CO2 Measurements: .

Summary

We integrated soil models with an established ecosystem process model (SIPNET, simplified photosynthesis and evapotranspiration model) to investigate the influence of soil processes on modelled values of soil CO2 fluxes (RSoil). Model parameters were determined from literature values and a data assimilation routine that used a 7-year record of the net ecosystem exchange of CO2 and environmental variables collected at a high-elevation subalpine forest (the Niwot Ridge AmeriFlux site). These soil models were subsequently evaluated in how they estimated the seasonal contribution of RSoil to total ecosystem respiration (TER) and the seasonal contribution of root respiration (RRoot) to RSoil. Additionally, these soil models were compared [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS Export <br> On - Wed Sep 19 08:12:57 MDT 2012

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Title Citation Integration of Process-based Soil Respiration Models with Whole-Ecosystem CO2 Measurements

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