Development of a method for estimating total CH<sub>4</sub> emission from rice paddies in Japan using the DNDC-Rice model

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Development of a method for estimating total CH₄ emission from rice paddies in Japan using the DNDC-Rice model

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作者：Nobuko Katayanagi^a ; Tamon Fumoto^a ; ^{tamon@affrc.go.jp" class="auth_mail" title="E-mail the corresponding author} ; Michiko Hayano^a ; ^b ; Yusuke Takata^a ; Tsuneo Kuwagata^a ; Yasuhito Shirato^a ; Shinji Sawano^c ; Masako Kajiura^a ; Shigeto Sudo^a ; Yasushi Ishigooka^a ; Kazuyuki Yagi^a
关键词：ε ; the soil porosity ; θ ; soil moisture in the water-filled pore space ; θfc ; field water holding capacity in the water-filled pore space ; a ; drainage rate constant ; CD ; conventional mid-season drainage ; CF ; continuous flooding ; CH4 ; methane ; CO2 ; carbon dioxide ; D ; hourly drainage rate ; DNDC-Rice ; DeNitrification&ndash ; DeComposition model for rice ; Dmax ; maximum drainage rate ; FeBR ; biologically reducible iron ; FWC ; field water capacity ; IMD ; intermittent drainage ; IPCC ; Intergovernmental Panel o
刊名：Science of the Total Environment
出版年：2016
出版时间：15 March 2016
年：2016
卷：547
期：Complete
页码：429-440
全文大小：1027 K

文摘

•: DNDC-Rice is a process-based model to simulate rice CH₄ emission from rice paddies.
•: We simulated annual CH₄ emissions from 986 paddy fields in Japan by DNDC-Rice.
•: Regional means of CH₄ emissions were positively correlated to C input into the field.
•: We derived linear regressions for estimating CH₄ emission as a function of C input.

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