Wednesday, February 10, 2010

The structure of SIPNET

SIPNET was designed to estimate fluxes that could also be measured using an Eddy Flux
tower. The major pools of Carbon and Water in the SIPNET model are shown below in
boxes; the arrows represent fluxes into, out of or between pools.

The SIPNET model has vegetation carbon pools in wood, leaves and roots and soil carbon pools with three different substrate pools depending on quality of decomposition in soil organic matter. Photosynthesis is dependent on PPFD, soil water and atmospheric humidity, whereas respiration is dependent on both substrate quality and temperature. Evapotranspiration is partitioned according to stomatal control over transpiration. Evaporation is driven by climate and soil transport properties. The structure of the SIPNET model is shown in the figure below:

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