WuPengMooreEtAl2014

Référence

Wu, H., Peng, C., Moore, T.R., Hua, D., Li, C., Zhu, Q., Peichl, M., Arain, M.A., Guo, Z. (2014) Modeling dissolved organic carbon in temperate forest soils: TRIPLEX-DOC model development and validation. Geoscientific Model Development, 7(3):867-881. (Scopus )

Résumé

Even though dissolved organic carbon (DOC) is the most active carbon (C) cycling in soil organic carbon (SOC) pools, it receives little attention from the global C budget. DOC fluxes are critical to aquatic ecosystem inputs and contribute to the C balance of terrestrial ecosystems, but few ecosystem models have attempted to integrate DOC dynamics into terrestrial C cycling. This study introduces a new process-based model, TRIPLEX-DOC, that is capable of estimating DOC dynamics in forest soils by incorporating both ecological drivers and biogeochemical processes. TRIPLEX-DOC was developed from Forest-DNDC, a biogeochemical model simulating C and nitrogen (N) dynamics, coupled with a new DOC process module that predicts metabolic transformations, sorption/desorption, and DOC leaching in forest soils. The model was validated against field observations of DOC concentrations and fluxes at white pine forest stands located in southern Ontario, Canada. The model was able to simulate seasonal dynamics of DOC concentrations and the magnitudes observed within different soil layers, as well as DOC leaching in the age sequence of these forests. Additionally, TRIPLEX-DOC estimated the effect of forest harvesting on DOC leaching, with a significant increase following harvesting, illustrating that land use change is of critical importance in regulating DOC leaching in temperate forests as an important source of C input to aquatic ecosystems. © Author(s) 2014.

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@ARTICLE { WuPengMooreEtAl2014,
    AUTHOR = { Wu, H. and Peng, C. and Moore, T.R. and Hua, D. and Li, C. and Zhu, Q. and Peichl, M. and Arain, M.A. and Guo, Z. },
    TITLE = { Modeling dissolved organic carbon in temperate forest soils: TRIPLEX-DOC model development and validation },
    JOURNAL = { Geoscientific Model Development },
    YEAR = { 2014 },
    VOLUME = { 7 },
    PAGES = { 867-881 },
    NUMBER = { 3 },
    NOTE = { cited By (since 1996)0 },
    ABSTRACT = { Even though dissolved organic carbon (DOC) is the most active carbon (C) cycling in soil organic carbon (SOC) pools, it receives little attention from the global C budget. DOC fluxes are critical to aquatic ecosystem inputs and contribute to the C balance of terrestrial ecosystems, but few ecosystem models have attempted to integrate DOC dynamics into terrestrial C cycling. This study introduces a new process-based model, TRIPLEX-DOC, that is capable of estimating DOC dynamics in forest soils by incorporating both ecological drivers and biogeochemical processes. TRIPLEX-DOC was developed from Forest-DNDC, a biogeochemical model simulating C and nitrogen (N) dynamics, coupled with a new DOC process module that predicts metabolic transformations, sorption/desorption, and DOC leaching in forest soils. The model was validated against field observations of DOC concentrations and fluxes at white pine forest stands located in southern Ontario, Canada. The model was able to simulate seasonal dynamics of DOC concentrations and the magnitudes observed within different soil layers, as well as DOC leaching in the age sequence of these forests. Additionally, TRIPLEX-DOC estimated the effect of forest harvesting on DOC leaching, with a significant increase following harvesting, illustrating that land use change is of critical importance in regulating DOC leaching in temperate forests as an important source of C input to aquatic ecosystems. © Author(s) 2014. },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.5194/gmd-7-867-2014 },
    ISSN = { 1991959X },
    KEYWORDS = { biogeochemical cycle; carbon budget; desorption; dissolved organic carbon; ecosystem modeling; forest soil; land use change; leaching; model validation; soil carbon; soil horizon; temperate forest, Canada; Ontario [Canada] },
    SOURCE = { Scopus },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84901434980&partnerID=40&md5=0aba5884a07c62d0d8760a006867af9c },
}

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