DayCent Model Simulations for Estimating Soil Carbon Dynamics and Greenhouse Gas Fluxes from Agricultural Production Systems

作者: Stephen J. Del Grosso , William J. Parton , Paul R. Adler , Sarah C. Davis , Cindy Keough

DOI: 10.1016/B978-0-12-386897-8.00014-0

关键词:

摘要: DayCent is a biogeochemical model of intermediate complexity used to simulate carbon, nutrient, and greenhouse gas fluxes for crop, grassland, forest, savanna ecosystems. Model inputs include: soil texture hydraulic properties, current historical land use, vegetation cover, daily maximum minimum temperature, precipitation. The latest version allows (instead monthly) scheduling management events calculates plant production at weekly) time step. ability the crop yields, carbon changes, N 2 O emissions, NO 3 leaching was tested using data from different irrigated rainfed cropping systems. has recently been applied calculate emissions cropped grazed soils U.S. National Greenhouse Gas Inventory perform life-cycle analysis biofuel Future versions will more completely represent range mitigation options available with technologies.

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