Using biogeochemical process models to quantify greenhouse gas mitigation from agricultural management

摘要: To conduct inventories and monitor climate change mitigation in agriculture, we need to be able to quantify the greenhouse gas (GHG) impacts resulting from different agricultural management activities. While we have a rough, but relatively clear picture about the most important opportunities for mitigating agricultural greenhouse gases (Smith et al. 2008, see Seeberg-Elverfeld and Tapio-Biström, this volume), we have considerably less clarity on how to quantify the changes due to mitigation. The purpose of this chapter is to review process-based biogeochemical modeling as one approach to cost-effective and reliable quantification of agricultural greenhouse gases (GHGs) in agriculture.