{"created":"2023-06-20T14:54:19.073890+00:00","id":22637,"links":{},"metadata":{"_buckets":{"deposit":"c8660149-65d0-4f7f-8418-1cdbe2d35739"},"_deposit":{"created_by":1,"id":"22637","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"22637"},"status":"published"},"_oai":{"id":"oai:jaxa.repo.nii.ac.jp:00022637","sets":["1887:1888"]},"author_link":["212045","212033","212057","212051","212055","212059","212056","212038","212053","212039","212044","212047","212058","212043","212031","212041","212030","212060","212036","212054","212040","212048","212052","212061","212037","212034","212046","212032","212035","212050","212042","212049"],"item_7_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2015-06-30","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"12","bibliographicPageEnd":"7069","bibliographicPageStart":"7049","bibliographicVolumeNumber":"15","bibliographic_titles":[{},{"bibliographic_title":"Atmospheric Chemistry and Physics","bibliographic_titleLang":"en"}]}]},"item_7_description_17":{"attribute_name":"抄録（英）","attribute_value_mlt":[{"subitem_description":"We use 2009-2011 space-borne methane observations from the Greenhouse Gases Observing SATellite (GOSAT) to estimate global and North American methane emissions with 4 deg × 5 deg and up to 50 km × 50 km spatial resolution, respectively. GEOS-Chem and GOSAT data are first evaluated with atmospheric methane observations from surface and tower networks (NOAA/ESRL, TCCON) and aircraft (NOAA/ESRL, HIPPO), using the GEOS-Chem chemical transport model as a platform to facilitate comparison of GOSAT with in situ data. This identifies a high-latitude bias between the GOSAT data and GEOS-Chem that we correct via quadratic regression. Our global adjoint-based inversion yields a total methane source of 539 Tg a(exp -1) with some important regional corrections to the EDGARv4.2 inventory used as a prior. Results serve as dynamic boundary conditions for an analytical inversion of North American methane emissions using radial basis functions to achieve high resolution of large sources and provide error characterization. We infer a US anthropogenic methane source of 40.2-42.7 Tg a(exp -1), as compared to 24.9-27.0 Tg a(exp -1) in the EDGAR and EPA bottom-up inventories, and 30.0-44.5 Tg a(exp -1) in recent inverse studies. Our estimate is supported by independent surface and aircraft data and by previous inverse studies for California. We find that the emissions are highest in the southern-central US, the Central Valley of California, and Florida wetlands; large isolated point sources such as the US Four Corners also contribute. Using prior information on source locations, we attribute 29-44 % of US anthropogenic methane emissions to livestock, 22-31 % to oil/gas, 20 % to landfills/wastewater, and 11-15 % to coal. Wetlands contribute an additional 9.0-10.1 Tg a(exp -1).","subitem_description_type":"Other"}]},"item_7_description_18":{"attribute_name":"内容記述","attribute_value_mlt":[{"subitem_description":"形態: カラー図版あり","subitem_description_type":"Other"},{"subitem_description":"著者人数: 24名","subitem_description_type":"Other"}]},"item_7_description_19":{"attribute_name":"内容記述（英）","attribute_value_mlt":[{"subitem_description":"Physical characteristics: Original contains color illustrations","subitem_description_type":"Other"},{"subitem_description":"Number of authors: 24","subitem_description_type":"Other"}]},"item_7_description_32":{"attribute_name":"資料番号","attribute_value_mlt":[{"subitem_description":"資料番号: PA1610006000","subitem_description_type":"Other"}]},"item_7_link_13":{"attribute_name":"外部本文リンク","attribute_value_mlt":[{"subitem_link_url":"http://www.atmos-chem-phys.net/15/7049/2015/acp-15-7049-2015.pdf"}]},"item_7_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"欧州地球物理学会"}]},"item_7_publisher_9":{"attribute_name":"出版者（英）","attribute_value_mlt":[{"subitem_publisher":"European Geosciences Union"}]},"item_7_relation_25":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"info:doi/10.5194/acp-15-7049-2015"}],"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"http://dx.doi.org/10.5194/acp-15-7049-2015","subitem_relation_type_select":"DOI"}}]},"item_7_rights_28":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"© Author(s) 2015. This work is distributed under the Creative Commons Attribution 3.0 License."}]},"item_7_source_id_21":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"1680-7324","subitem_source_identifier_type":"ISSN"}]},"item_7_source_id_24":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA12038447","subitem_source_identifier_type":"NCID"}]},"item_7_text_6":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"ハーバード大学"},{"subitem_text_value":"ハーバード大学"},{"subitem_text_value":"ハーバード大学"},{"subitem_text_value":"ハーバード大学"},{"subitem_text_value":"ハーバード大学"},{"subitem_text_value":"国立海洋大気圏局"},{"subitem_text_value":"ローレンス・バークレー国立研究所"},{"subitem_text_value":"レスター大学天文物理学部: レスター大学宇宙研究センター"},{"subitem_text_value":"カリフォルニア工科大学ジェット推進研究所"},{"subitem_text_value":"ウーロンゴン大学: ブレーメン大学 環境物理研究所"},{"subitem_text_value":"ロスアラモス国立研究所"},{"subitem_text_value":"ウーロンゴン大学"},{"subitem_text_value":"IMK-ASF カールスルーエ工科大学"},{"subitem_text_value":"宇宙航空研究開発機構(JAXA)"},{"subitem_text_value":"ブレーメン大学 環境物理研究所"},{"subitem_text_value":"宇宙航空研究開発機構(JAXA): 名古屋大学太陽地球環境研究所"}]},"item_7_text_7":{"attribute_name":"著者所属（英）","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"School of Engineering and Applied Sciences, Harvard University"},{"subitem_text_language":"en","subitem_text_value":"School of Engineering and Applied Sciences, Harvard University"},{"subitem_text_language":"en","subitem_text_value":"Department of Earth and Planetary Sciences, Harvard University"},{"subitem_text_language":"en","subitem_text_value":"School of Engineering and Applied Sciences, Harvard University"},{"subitem_text_language":"en","subitem_text_value":"School of Engineering and Applied Sciences, Harvard University"},{"subitem_text_language":"en","subitem_text_value":"NOAA Earth System Research Laboratory"},{"subitem_text_language":"en","subitem_text_value":"Lawrence Berkeley National Laboratory"},{"subitem_text_language":"en","subitem_text_value":"Earth Observation Science Group, Department of Physics and Astronomy, University of Leicester: National Centre for Earth Observation, University of Leicester"},{"subitem_text_language":"en","subitem_text_value":"Jet Propulsion Laboratory, California Institute of Technology"},{"subitem_text_language":"en","subitem_text_value":"Centre for Atmospheric Chemistry, University of Wollongong: Institute of Environmental Physics, University of Bremen"},{"subitem_text_language":"en","subitem_text_value":"Los Alamos National Laboratory"},{"subitem_text_language":"en","subitem_text_value":"Centre for Atmospheric Chemistry, University of Wollongong"},{"subitem_text_language":"en","subitem_text_value":"IMK-ASF Karlsruhe Institute of Technology"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency (JAXA)"},{"subitem_text_language":"en","subitem_text_value":"Institute of Environmental Physics, University of Bremen"},{"subitem_text_language":"en","subitem_text_value":"Japan Aerospace Exploration Agency (JAXA): Solar-Terrestrial Environment Laboratory, Nagoya University"}]},"item_7_version_type_30":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Turner, A. 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