Development of a nitrous oxide routine for the SWAT model to assess greenhouse gas emissions from agroecosystems

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• 作者：Moges B. Wagena ; Emily M. Bock ; Andrew R. Sommerlot ; Daniel R. Fuka ; Zachary M. Easton ; ^{zeaston@vt.edu}
• 关键词：Greenhouse gas emissions ; SWAT ; Nitrous oxide ; pH ; Denitrification ; Nitrification ; Soil carbon ; Spatial distribution
• 刊名：Environmental Modelling & Software
• 出版年：2017
• 出版时间：March 2017
• 年：2017
• 卷：89
• 期：Complete
• 页码：131-143
• 全文大小：2616 K
• 卷排序：89

文摘

Nitrous oxide emissions are modeled with functional relationships between soil N, C, pH, temperature and moisture levels. The model is tested against high spatial and temporal resolution GRACEnet data at two sites. The model is particularly sensitive to soil pH and soil N levels.