PnET-N-DNDC

PnET-DNDC is a forest model and integrates three existing models, namely, DNDC, the photosynthesis-evapotranspiration (PnET) model (a forest physiology model), and a nitrification model (developed for prediction of nitrifier growth/death rates, nitrification rate and nitrification-induced NO and N2O production.

forestDNDCphotosynthesisevapotranspirationphysiologynitrificationnitrifier
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contributed at 2020-01-02

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Affiliation:  
Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, USA
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English {{currentDetailLanguage}} English

Quoted from: Gilhespy, Sarah L., Steven Anthony, Laura Cardenas, David Chadwick, Agustin del Prado, Changsheng Li, Thomas Misselbrook et al. "First 20 years of DNDC (DeNitrification DeComposition): model evolution." Ecological modelling 292 (2014): 51-62. https://doi.org/10.1016/j.ecolmodel.2014.09.004 

PnET-DNDC is a forest model and integrates three existing models, namely, DNDC, the photosynthesis-evapotranspiration (PnET) model (a forest physiology model), and a nitrification model (developed for prediction of nitrifier growth/death rates, nitrification rate and nitrification-induced NO and N2O production (Li et al., 2000Stange et al., 2000).

Due to the creation of the ‘anaerobic balloon’ concept, PnET-N-DNDC is able to model soils where aerobic and anaerobic microsites exist simultaneously, as it can predict both nitrification and denitrification in the soil at the same time (Li et al., 2000). The DNDC two-component framework (Fig. 3) is employed in PnET-DNDC and the structures and functions of the sub-models basically remain as they were in the parent models (further description of these models are given by Li et al., 1992Li et al., 1994 and Aber et al. (1996)). Many new features and algorithms were added to PnET-N-DNDC to account for the effect of forest ecosystems including an additional pathway, chemodenitrification, for the production of NO (which only occurs in the acidic soils commonly found in many temperate forests and most tropical forests (Li et al., 2000)). PnET-N-DNDC has since been integrated with Wetland-DNDC to produce Forest-DNDC (Giltrap et al., 2010).

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How to Cite

Changsheng Li et al. (2020). PnET-N-DNDC, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/cea622c2-4531-4ff9-9c1e-0609464fe410
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Initial contribute: 2020-01-02

Authorship

Affiliation:  
Institute for the Study of Earth, Oceans, and Space, University of New Hampshire, USA
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