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[Galina Churkina]Modeling the carbon cycle of urban systems
2010年06月11日 海外传真 暂无评论

Ecological Modelling 2 1 6 ( 2 0 0 8 ) 107–113

Modeling the carbon cycle of urban systems

Galina Churkina

a The University of Michigan, School of Natural Resources and Environment, Dana Building,
440 Church Street, Ann Arbor, MI 48109-1041, USA
b Max-Planck Institute for Biogeochemistry, Hans-Kn¨ oll str. 10, 07745 Jena, Germany

abstract

Although more than 80% of carbon dioxide emissions originate in urban areas, the role of human settlements in the biosphere evolution and in global carbon cycling remains largely neglected. Understanding the relationships between the form and pattern of urban development and the carbon cycle is however crucial for estimating future trajectories of greenhouse gas concentrations in the atmosphere and can facilitate mitigation of climate change. In this paper I review state-of-the-art in modeling of urban carbon cycle. I start with the properties
of urban ecosystems from the ecosystem theory point of view. Then I discuss key elements of an urban system and to which degree they are represented in the existing models. In conclusions I highlight necessity of including biophysical as well as human related carbon fluxes in an urban carbon cycle model and necessity of collecting relevant data.

Keywords:Carbon cycle,Urban system,Modeling,City

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