DRAINMOD-FOREST: Integrated Modeling of Hydrology, Soil Carbon and Nitrogen Dynamics, and Plant Growth for Drained Forests

Journal of Environmental Quality
Shiying TianG M Chescheir

Abstract

We present a hybrid and stand-level forest ecosystem model, DRAINMOD-FOREST, for simulating the hydrology, carbon (C) and nitrogen (N) dynamics, and tree growth for drained forest lands under common silvicultural practices. The model was developed by linking DRAINMOD, the hydrological model, and DRAINMOD-N II, the soil C and N dynamics model, to a forest growth model, which was adapted mainly from the 3-PG model. The forest growth model estimates net primary production, C allocation, and litterfall using physiology-based methods regulated by air temperature, water deficit, stand age, and soil N conditions. The performance of the newly developed DRAINMOD-FOREST model was evaluated using a long-term (21-yr) data set collected from an artificially drained loblolly pine ( L.) plantation in eastern North Carolina, USA. Results indicated that the DRAINMOD-FOREST accurately predicted annual, monthly, and daily drainage, as indicated by Nash-Sutcliffe coefficients of 0.93, 0.87, and 0.75, respectively. The model also predicted annual net primary productivity and dynamics of leaf area index reasonably well. Predicted temporal changes in the organic matter pool on the forest floor and in forest soil were reasonable compared to published ...Continue Reading

References

Jan 9, 2001·Trends in Ecology & Evolution·W J Bond, J J Midgley
Oct 31, 2006·Journal of Environmental Quality·Mohamed A YoussefJ Wendell Gilliam
Apr 21, 2007·Proceedings of the National Academy of Sciences of the United States of America·Kendra K McLauchlanGene E Likens
May 3, 2008·Tree Physiology·Timothy J AlbaughThomas R Fox
Jan 6, 2010·Journal of Environmental Quality·Bray J BeltranJami E Nettles
Nov 1, 1993·Ecological Applications : a Publication of the Ecological Society of America·H N Comins, R E McMurtrie

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Citations

May 30, 2015·Journal of Environmental Quality·David E RadcliffeDouglas R Smith
Aug 21, 2012·Environmental Science & Technology·Shiying TianGeorge M Chescheir

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