globalchange  > 气候减缓与适应
DOI: 10.1007/s10533-017-0409-7
Scopus记录号: 2-s2.0-85038635180
论文题名:
The Millennial model: in search of measurable pools and transformations for modeling soil carbon in the new century
作者: Abramoff R.; Xu X.; Hartman M.; O’Brien S.; Feng W.; Davidson E.; Finzi A.; Moorhead D.; Schimel J.; Torn M.; Mayes M.A.
刊名: Biogeochemistry
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2018
卷: 137, 期:2018-01-02
起始页码: 51
结束页码: 71
语种: 英语
英文关键词: Decomposition ; Global change ; Microbial activity ; Modeling ; Organic matter ; Soil carbon
Scopus关键词: conceptual framework ; decomposition ; global change ; microbial activity ; numerical model ; organic carbon ; quantitative analysis ; soil carbon ; soil organic matter ; transformation
英文摘要: Soil organic carbon (SOC) can be defined by measurable chemical and physical pools, such as mineral-associated carbon, carbon physically entrapped in aggregates, dissolved carbon, and fragments of plant detritus. Yet, most soil models use conceptual rather than measurable SOC pools. What would the traditional pool-based soil model look like if it were built today, reflecting the latest understanding of biological, chemical, and physical transformations in soils? We propose a conceptual model—the Millennial model—that defines pools as measurable entities. First, we discuss relevant pool definitions conceptually and in terms of the measurements that can be used to quantify pool size, formation, and destabilization. Then, we develop a numerical model following the Millennial model conceptual framework to evaluate against the Century model, a widely-used standard for estimating SOC stocks across space and through time. The Millennial model predicts qualitatively similar changes in total SOC in response to single factor perturbations when compared to Century, but different responses to multiple factor perturbations. We review important conceptual and behavioral differences between the Millennial and Century modeling approaches, and the field and lab measurements needed to constrain parameter values. We propose the Millennial model as a simple but comprehensive framework to model SOC pools and guide measurements for further model development. © 2017, Springer International Publishing AG, part of Springer Nature.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/83196
Appears in Collections:气候减缓与适应
气候变化事实与影响

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作者单位: Climate and Ecosystem Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, United States; Biology Department, San Diego State University, San Diego, CA, United States; Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO, United States; Biosciences Division, Argonne National Laboratory, 9700 C Cass Ave., Argonne, IL, United States; Department of Biological Sciences, University of Illinois at Chicago, 845 W Taylor St. MC 066, Chicago, IL, United States; Department of Microbiology and Plant Biology, University of Oklahoma, 101 David L. Boren, Norman, OK, United States; Appalachian Laboratory, University of Maryland Center for Environmental Science, 301 Braddock Road, Frostburg, MD, United States; Department of Biology and PhD Program in Biogeoscience, Boston University, 5 Cummington St, Boston, MA, United States; Department of Environmental Sciences, University of Toledo, 2801 W Bancroft, St. Toledo, OH, United States; Department of Ecology, Evolution and Marine Biology, University of California Santa Barbara, 1108 Noble Hall, Santa Barbara, CA, United States; Environmental Science Division & Climate Change Science Institute, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN, United States

Recommended Citation:
Abramoff R.,Xu X.,Hartman M.,et al. The Millennial model: in search of measurable pools and transformations for modeling soil carbon in the new century[J]. Biogeochemistry,2018-01-01,137(2018-01-02)
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