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Nitrogen Oxides Emissions from European Forest Ecosystems

机译:欧洲森林生态系统排放的氮氧化物

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摘要

The recently launched EU project NOFRETETE (Nitrogen Oxides Emissions from European Forest Ecosystems), which brings together nine European research groups, aims at improving the highly uncertain information about nitrogen oxides (NO and N_2O) emissions from forest soils, with special respect to the impact of anthropogenic influences, like e.g. atmospheric N-deposition. It will consist of (ⅰ) a combination of field and laboratory experiments, (ⅱ) further development and application of an existing biogeochemical process-oriented model for the prediction of N-trace gas emissions from forest soils (PnET-N-DNDC), (ⅲ) coupling of the biogeochemical process model to a multi-layer canopy model to get reliable estimates of the N-trace gas exchange at the ecosystem level, (ⅳ) linkage of the combined models to a GIS database, containing information about land-use, climate, soil properties and atmospheric N-deposition for the calculation of N-oxide emission inventories and scenarios for European forests.
机译:最近启动的欧盟项目NOFRETETE(欧洲森林生态系统的氮氧化物排放量)汇集了9个欧洲研究小组,旨在改善关于森林土壤中氮氧化物(NO和N_2O)排放的高度不确定的信息,尤其要考虑到影响人为影响,例如大气N沉积。它将包括(ⅰ)野外实验和实验室实验的结合;(ⅱ)进一步开发和应用现有的以生物地球化学过程为导向的模型,以预测森林土壤中N痕量气体的排放量(PnET-N-DNDC), (ⅲ)将生物地球化学过程模型耦合到多层冠层模型,以获得对生态系统水平的N-痕量气体交换的可靠估计,(ⅳ)组合模型与GIS数据库的链接,其中包含有关土地的信息-用途,气候,土壤性质和大气N沉积量,用于计算欧洲森林的N氧化物排放清单和情景。

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