气候变化领域集成服务门户(CCPortal): Role of advection in atmospheric ammonia: A case study at a Japanese lake basin influenced by agricultural ammonia sources

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DOI	10.1016/j.atmosenv.2020.117856
	Role of advection in atmospheric ammonia: A case study at a Japanese lake basin influenced by agricultural ammonia sources
	Kubota T.; Kuroda H.; Watanabe M.; Takahashi A.; Nakazato R.; Tarui M.; Matsumoto S.; Nakagawa K.; Numata Y.; Ouchi T.; Hosoi H.; Nakagawa M.; Shinohara R.; Kajino M.; Fukushima K.; Igarashi Y.; Imamura N.; Katata G.
发表日期	2020
ISSN	13522310
卷号	243
英文摘要	The dry and wet depositions of atmospheric ammonia (NH3) is one of the important pathways of nitrogen loads to aquatic ecosystems and should be managed to mitigate lake eutrophication. Crop and livestock agriculture, one of the largest emitters of NH3 in Asian countries, are known to cause high spatial and seasonal variation of NH3 and influence the surrounding lake basin areas via its dry and wet deposition. However, the spatial characteristics of the NH3 concentration in basin scale are not completely understood for regulation in NH3 emission because a paucity of monitoring network is currently available for NH3 in many Asian countries. Here we aim to clarify dominant factors of spatial and seasonal variations of the NH3 concentration in a shallow eutrophic lake basin (Lake Kasumigaura basin) surrounded by agricultural areas in eastern Japan. Passive sampling over various land use categories in the basin was conducted at 36 sites in total from October 10, 2018 to January 14, 2020. Mean NH3 concentration in the observational period was in the order of farmland (6.6 ppbv), lake (5.9 ppbv), rural (3.5 ppbv), and forest (2.6 ppbv). Interestingly, the observed NH3 concentration near the livestock houses were higher in winter than summer, which was inconsistent with knowledge of seasonal changes of current NH3 emission inventory based on temperature-driven volatilization process. Comparing monthly NH3 concentrations at farmland and lake sites with various meteorological factors, we suggested the importance of seasonal advection of NH3 from high emission sources to which has been rarely paid attention by the previous past studies. Consequently, a higher nitrogen input by dry deposition of NH3 was preliminarily estimated over the lake than that of wet deposition of total nitrogen. Our finding of a role of seasonal advection in NH3 spatial pattens should be considered for lake ecosystem management since its deposition is known to be closely related to the ecological processes such as phytoplankton blooming. © 2020 Elsevier Ltd
英文关键词	Advection; Atmospheric ammonia; Dry deposition; Lake basin; Lake ecosystem management; Passive sampling
语种	英语
scopus关键词	Advection; Agricultural robots; Aquatic ecosystems; Deposition; Eutrophication; Farms; Lakes; Land use; Nitrogen; Atmospheric ammonia; Dry and wet depositions; Ecosystem management; Emission inventories; Lake eutrophications; Meteorological factors; Spatial characteristics; Volatilization process; Ammonia; ammonia; nitrogen; advection; agricultural emission; ammonia; atmospheric transport; concentration (composition); dry deposition; ecosystem management; emission inventory; land use change; livestock farming; volatilization; advection; agricultural land; air temperature; Article; case study; concentration (parameter); controlled study; dry deposition; environmental monitoring; Japanese (people); lake basin; precipitation; priority journal; rural area; seasonal variation; summer; volatilization; wet deposition; wind speed; winter; Honshu; Ibaraki; Japan; Kanto; Lake Kasumigaura
来源期刊	Atmospheric Environment
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/144919
作者单位	Ibaraki University Graduate School of Agriculture, 3-21-1 Chuo, AmiIbaraki 300-0393, Japan; Nuclear Fuel Cycle Engineering Laboratories (NCL), Japan Atomic Energy Agency (JAEA), 4-33 Muramatsu, Tokai, Ibaraki, 319-1194, Japan; Ibaraki University Faculty of Agriculture, 3-21-1 Chuo, AmiIbaraki 300-0332, Japan; National Institute for Environmental Studies (NIES), 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan; Water Environmental Field Station, Global and Local Environment Co-creation Institute, Ibaraki University, 1375 Ohu, Itako, Ibaraki 311-2402, Japan; Ibaraki Kasumigaura Environmental Science Center (IKESC), 1853 Okijuku, Tsuchiura, Ibaraki 300-0023, Japan; Meteorological Research Institute, 1-1 Nagamine, Tsukuba, Ibaraki 305-0052, Japan; Center for Ecological Research, Kyoto University, 2-509-3 Hirano, Otsu, Shiga 520-2113, Japan; Institute for Integrated Radiation and Nuclear Science, Kyoto University, 2-1010 Asashiro-nishi, Kumatori, Osaka, 590-0494, Japan; Graduate School of Science and Engi...
推荐引用方式 GB/T 7714	Kubota T.,Kuroda H.,Watanabe M.,et al. Role of advection in atmospheric ammonia: A case study at a Japanese lake basin influenced by agricultural ammonia sources[J],2020,243.
APA	Kubota T..,Kuroda H..,Watanabe M..,Takahashi A..,Nakazato R..,...&Katata G..(2020).Role of advection in atmospheric ammonia: A case study at a Japanese lake basin influenced by agricultural ammonia sources.Atmospheric Environment,243.
MLA	Kubota T.,et al."Role of advection in atmospheric ammonia: A case study at a Japanese lake basin influenced by agricultural ammonia sources".Atmospheric Environment 243(2020).