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Kubota, Tomohiro; Kuroda, Hisao*; Watanabe, Mirai*; Takahashi, Akiko*; Nakazato, Ryoji*; Tarui, Mika*; Matsumoto, Shunichi*; Nakagawa, Keita*; Numata, Yasuko*; Ouchi, Takao*; et al.
Atmospheric Environment, 243, p.117856_1 - 117856_9, 2020/12
Times Cited Count：3 Percentile：15.1(Environmental Sciences)The dry and wet depositions of atmospheric ammonia (NH
) is one of the important pathways of nitrogen loads to aquatic ecosystems. Crop and livestock agriculture, one of the largest emitters of NH in Asian countries, are known to cause high spatial and seasonal variation of NH and influence the surrounding lake basin areas via its dry and wet deposition. However, the spatial characteristics of the NH concentration in basin scale are not completely understood for regulation in NH emission. Here we aim to clarify dominant factors of spatial and seasonal variations of the NH concentration in a eutrophic lake basin surrounded by agricultural areas in Japan. Passive sampling over various land use categories in the basin was conducted at 36 sites in total from October 2018 to January 2020. Interestingly, the observed NH concentration near the livestock houses were higher in winter than summer, which was inconsistent with knowledge of seasonal changes of current NH emission inventory based on temperature-driven volatilization process. Comparing monthly NH concentrations with various meteorological factors, we suggested the importance of seasonal advection of NH from high emission sources to which has been rarely paid attention by the previous past studies. As for this, should be considered for lake ecosystem management since deposition of NH is known to be closely related to the ecological processes such as phytoplankton blooming.
Shiga, Hideaki*; Taki, Junichi*; Washiyama, Koshin*; Yamamoto, Jumpei*; Kinase, Sakae; Okuda, Koichi*; Kinuya, Seigo*; Watanabe, Naoto*; Tonami, Hisao*; Koshida, Kichiro*; et al.
PLOS ONE (Internet), 8(2), p.e57671_1 - e57671_8, 2013/02
Times Cited Count：19 Percentile：68.44(Multidisciplinary Sciences)Mitsumoto, Rika*; Kimura, Koichi; Tamayama, Kiyoshi; Watanabe, Hisao*
no journal, ,
Monju plant dynamics code Fanpsy to analyze transient of a water steam circuit start-up bypass analysis model was build, based on an actual component valve characteristic, and Fanpsy was verified by analysis of water steam circuit start-up tests.
Kimura, Koichi; Mitsumoto, Rika*; Muranaka, Makoto; Tamayama, Kiyoshi; Watanabe, Hisao*
no journal, ,
Monju plant dynamics code Fanpsy to analyze transient of a main feed-water pumpmodel was build, based on an actual component valve characteristic, and Fanpsywas verified by analysis of 40% power start-up tests.
Watanabe, Hisao*; Usui, Nobuhiko*; Maruyama, Fumi*; Kimura, Koichi
no journal, ,
no abstracts in English
Mitsumoto, Rika*; Kimura, Koichi; Tamayama, Kiyoshi; Watanabe, Hisao*
no journal, ,
no abstracts in English
Yamamoto, Takashi; Onoda, Shinobu; Oshima, Takeshi; Naydenov, B.*; Dolde, F.*; Fedder, H.*; Honert, J.*; Jelezko, F.*; Wrachtrup, J.*; Teraji, Tokuyuki*; et al.
no journal, ,
no abstracts in English
Onoda, Shinobu; Yamamoto, Takashi; Abe, Hiroshi; Hanaya, Hiroaki; Oshima, Takeshi; Taniguchi, Takashi*; Teraji, Tokuyuki*; Watanabe, Kenji*; Koizumi, Satoshi*; Kanda, Hisao*; et al.
no journal, ,
no abstracts in English
Katata, Genki*; Kubota, Tomohiro; Kuroda, Hisao*; Watanabe, Mirai*; Takahashi, Akiko*; Nakazato, Ryoji*; Tarui, Mika*; Matsumoto, Shunichi*; Nakagawa, Keita*; Numata, Yasuko*; et al.
no journal, ,
no abstracts in English
