著者
遠藤 徹 中野 雄介 板谷 天馬 筏 紀晶 矢持 進
出版者
公益社団法人 土木学会
雑誌
土木学会論文集B2(海岸工学) (ISSN:18842399)
巻号頁・発行日
vol.70, no.2, pp.I_1196-I_1200, 2014 (Released:2014-11-12)
参考文献数
10

It is thought that a salt marsh located at coastal urban area absorbs and emits large amounts of carbon dioxide (CO2). In this study, a field investigation on CO2 budget was conducted at Osaka-Nanko bird sanctuary, and CO2 fluxes were measured at tidal flat, sea surface and reed field by using chamber methods in order to estimate CO2 budgets of the salt marsh. The results of this study were as follows: (1) CO2 fluxes of tidal flat and reed field were one order larger than that of sea surface. (2) It was estimated that CO2 flux emitted from tidal flat was 3.26 g/m2/day and CO2 flux absorbed by reed grass field was 1.53 g/m2/day in October 2013. (3) It was suggested from the result of seasonal change of fluxes that the absorbed amount of CO2 becomes larger on summer than on autumn.

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