Tracing atmospheric nitrate in natural waters using the triple oxygen and nitrogen isotopic compositions as tracers

• Project/Area Number: 19740333
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Geochemistry/Astrochemistry
• Research Institution: Hokkaido University
• Principal Investigator: NAKAGAWA Fumiko Hokkaido University, 大学院・理学研究院, 助教 (70360899)
• Project Period (FY): 2007 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥5,000,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥600,000); Fiscal Year 2009: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2007: ¥2,400,000 (Direct Cost: ¥2,400,000)
• Keywords: 硝酸 / 三酸素同位体組成 / 窒素同位体組成 / 水環境 / 大気沈着 / 海洋 / 湖 / 降水

Research Abstract

We have analyzed the triple oxygen and nitrogen isotopic compositions of nitrate in natural waters, such as precipitation (wet deposit), groundwater, lake water, and seawater, using our newly-developed method and determined the source of nitrate in natural waters.

Research Products

• [Journal Article] Simultaneous determination of δ15N and δ18O of N2O and δ13C of CH4 in nanomolar quantities from a single water sample. (2010)
  • Author(s): Hirota, A., U. Tsunogai, D.D. Komatsu, F. Nakagawa
  • Journal Title: Rapid Communications in Mass Spectrometry 24 Pages: 1085-1092
  • Peer Reviewed
• [Journal Article] Tracing the fate of atmospheric nitrate deposited onto a forest ecosystem in eastern Asia using Delta17O. (2010)
  • Author(s): Tsunogai, U., D.D. Komatsu, S. Daita, G.A. Kazemi, F. Nakagawa, I. Noguchi, J. Zhang
  • Journal Title: Atmospheric Chemistry and Physics 10 Pages: 1809-1820
  • Peer Reviewed
• [Journal Article] Enrichment of nitrous oxide in a water column in the Bering and Chukchi Sea area. (2010)
  • Author(s): Hirota, A., A. Ijiri, D.D. Komatsu, S.B. Ohkubo, F. Nakagawa, U. Tsunogai
  • Journal Title: Mar. Chem 116 Pages: 47-53
  • Peer Reviewed
• [Journal Article] 三酸素同位体組成を指標に用いた大気沈着窒素-森林生態系間相互作用の定量的評価法 (2010)
  • Author(s): 角皆潤・小松大祐・代田里子・中川書子・野口泉・張勁
  • Journal Title: 低温科学 第68巻 Pages: 107-120
• [Journal Article] Tracing the fate of atmospheric nitrate deposited onto a forest ecosystem in eastern Asia using Delta ^<17>O (2010)
  • Author(s): Tsunogai, U., D.D.Komatsu, S.Daita, G.A.Kazemi, F.Nakagawa, I.Noguchi, J.Zhang
  • Journal Title: Atmospheric Chemistry and Physics 10 Pages: 1809-1820
  • Peer Reviewed
• [Journal Article] Simultaneous determination of δ^<15>N and δ^<18>O of N_2O and δ^<13>C of CH_4 in nanomolar quantities from a single water sample (2010)
  • Author(s): Hirota, A., U.Tsunogai, D.D.Komatsu, F.Nakagawa
  • Journal Title: Rapid Communications in Mass Spectrometry 24 Pages: 1085-1092
  • Peer Reviewed
• [Journal Article] Enrichment of nitrous oxide in a water column in the Bering and Chukchi Seaarea (2009)
  • Author(s): Hirota, A., A.Ijiri, D.D.Komatsu, S.B.Ohkubo, F.Nakagawa, U.Tsunogai
  • Journal Title: Marine Chemistry 116 Pages: 47-53
  • Peer Reviewed
• [Journal Article] Determination of the 15N/14N, 17O/16O, and 18O/16O ratios of nitrous oxide by using continuous-flow isotope ratio mass spectrometry. (2008)
  • Author(s): Komatsu, D.D., T. Ishimura, F. Nakagawa, U. Tsunogai
  • Journal Title: Rapid Commun. Mass Spectrom. 22 Pages: 1587-1596
  • NAID: 130005053470
  • Peer Reviewed
• [Journal Article] Sensitive determinations of stable nitrogen isotopic composition of organic nitrogen through chemical conversion to N2O. Rapid Commun. (2008)
  • Author(s): Tsunogai, U., T. Kido, A. Hirota, S.B. Ohkubo, D.D. Komatsu, F. Nakagawa
  • Journal Title: Mass Spectrom. 22 Pages: 345-354
  • Peer Reviewed
• [Journal Article] Determination of the 15N/14N, 17O/16O, and 18O/16O ratios of nitrousoxide by using continuous-flow isotope-ratio mass spectrometry (2008)
  • Author(s): D.D. Komatsu, T. Ishimura, F. Nakagawa and U. Tsunogai
  • Journal Title: Rapid Communications in Mass Spectrometry 22 Pages: 1587-1596
  • Peer Reviewed
• [Journal Article] Sensitive determinations of stable nitrogen isotopic composition of organic nitrogen through chemical conversion to N_2O (2008)
  • Author(s): Tsunogai, U., T. Kido, A. Hirota, S.B. Ohkubo, D.D. Komatsu, and F. Nakagawa
  • Journal Title: Rapid Communications in Mass Spectrometry 22 Pages: 345-354
  • Peer Reviewed
• [Presentation] 硝酸イオンの三酸素同位体組成定量法開発とこれをトレーサーに用いた大気沈着窒素の挙動解析 (2009)
  • Author(s): 角皆潤・小松大祐・代田里子・桑原潤・中川書子
  • Organizer: 日本分析化学会第58年会
  • Place of Presentation: 北海道大学
  • Year and Date: 2009-09-26
• [Presentation] 陸域生態系における大気沈着窒素の浄化効率:市販のミネラル・ウォーターを用いた評価 (2009)
  • Author(s): 角皆潤・代田里子・小松大祐・中川書子
  • Organizer: 2009年度日本地球化学会第56回年会
  • Place of Presentation: 広島大学
  • Year and Date: 2009-09-16
• [Presentation] 海洋表層水中の硝酸にみつかった大気沈着硝酸の痕跡とその分布 (2009)
  • Author(s): 小松大祐, 大久保智, 今野祐多, 代田里子, 中川書子, 角皆潤
  • Organizer: 2009年度日本地球化学会第56回年会
  • Place of Presentation: 広島大学
  • Year and Date: 2009-09-16
• [Presentation] 域生態系における大気沈着窒素の浄化効率:市販のミネラル・ウォーターを用いた評価 (2009)
  • Author(s): 角皆潤・代田里子・小松大祐・中川書子
  • Organizer: 2009年度日本地球化学会第56回年会
  • Place of Presentation: 広島大学
  • Year and Date: 2009-09-16
• [Presentation] Tracing atmospheric nitrate in surface ocean using the triple oxygen isotopic compositions as tracers (2009)
  • Author(s): D.D. Komatsu, S.B. Ohkubo, S. Daita, F. Nakagawa, U. Tsunogai
  • Organizer: SOLAS Open Science Conference 2009
  • Place of Presentation: Barcelona, Spain
• [Presentation] 森林生態系における沈着窒素の利用効率 (2008)
  • Author(s): 角皆潤・小松大祐・代田里子・中川書子・張勁
  • Organizer: 日本地球化学会第55回年会
  • Place of Presentation: 東京大学教養学部
• [Presentation] 大気由来硝酸の指標:三酸素同位体組成とその応用 (2008)
  • Author(s): 小松大祐, 大久保智, 石村豊穂, 中川書子, 角皆潤
  • Organizer: 2008年度日本質量分析学会同位体比部会
  • Place of Presentation: 愛知県民の森
• [Presentation] 海水中の溶存硝酸イオンにおける三酸素同位体組成異常の発見とこれを指標に用いた海洋窒素循環解析 (2008)
  • Author(s): 角皆潤, 小松大祐, 大久保智, 石村豊穂, 広田明成, 代田里子, 中川書子
  • Organizer: 日本地球惑星科学連合2008年大会
  • Place of Presentation: 幕張メッセ国際会議場
• [Presentation] 降水に含まれる硝酸イオンの三酸素同位体組成を指標に用いたNOxの光化学反応過程解析 (2007)
  • Author(s): 代田里子・小松大祐・大久保智・中川書子・角皆潤・野口泉・金龍元
  • Organizer: 第13回大気化学討論会
  • Place of Presentation: 古屋大学東山キャンパス野依記念学術交流館
• [Presentation] 硝酸の三酸素同位体組成を指標に用いた沈着後のNOxの環境動態解析 (2007)
  • Author(s): 角皆潤、小松大祐、大久保智、石村豊穂、廣田明成、代田里子、中川書子
  • Organizer: 第13回大気化学討論会
  • Place of Presentation: 名古屋大学東山キャンパス野依記念学術交流館
• [Presentation] Determination of triple oxygen isotopic compositions of nitrate by using continuous-flow isotope ratio MS. (2007)
  • Author(s): Komatsu, D.D., S.B. Ohkubo, T. Ishimura, F. Nakagawa, U. Tsunogai
  • Organizer: 21st Century COE International Symposium on The Origin and Evolution of Natural Diversity
  • Place of Presentation: Hokkaido University
• [Presentation] Determination on the Triple Oxygen isotopic Compositions of Nitrate in Ocean. (2007)
  • Author(s): Tsunogai, U., D.D. Komatsu, S.B. Ohkubo, T. Ishimura, S. Daita, F. Nakagawa
  • Organizer: 21st Century COE International Symposium on The Origin and Evolution of Natural Diversity
  • Place of Presentation: Hokkaido University
• [Presentation] 海水中のNO3 -における三酸素同位体組成異常の発見とトレーサーとしての利用の可能性 (2007)
  • Author(s): 角皆潤・小松大祐・大久保智・石村豊穂・廣田明成・代田里子・中川書子
  • Organizer: 2007年度日本海洋学会秋季大会
  • Place of Presentation: 琉球大学工学部
• [Presentation] 有機体窒素の高感度窒素同位体組成定量法の開発と窒素固定速度定量への応用 (2007)
  • Author(s): 木戸唯介・角皆潤・小松大祐・大久保智・廣田明成・今野祐多・中川書子
  • Organizer: 2007年度日本海洋学会秋季大会
  • Place of Presentation: 琉球大学工学部
• [Presentation] 大気由来硝酸の指標:三酸素同位体組成とその応用 (2007)
  • Author(s): 小松大祐・大久保智・石村豊穂・中川書子・角皆潤
  • Organizer: 日本地球化学会第54回年会
  • Place of Presentation: 岡山大学
• [Presentation] 三酸素同位体指標を用いた陸水中の窒素循環解析 (2007)
  • Author(s): 代田里子・小松大祐・大久保智・廣田明成・今野祐多・木戸唯介・中川書子・角皆潤・金龍元
  • Organizer: 日本地球化学会第54回年会
  • Place of Presentation: 岡山大学
• [Presentation] 三酸素同位体指標(δ17O, δ18O)を用いた大気中一酸化二窒素の起源推定 (2007)
  • Author(s): 小松大祐・大久保智・石村豊穂・中川書子・角皆潤
  • Organizer: 日本地球惑星科学連合2007年大会
  • Place of Presentation: 幕張メッセ国際会議場
• [Presentation] 海水中のNO_<3->における三酸素同位体組成異常の発見とトレーサーとしての利用の可能性 (2007)
  • Author(s): 角皆 潤・小松大祐・大久保智・石村豊穂・廣田明成・代田里子・中川書子
  • Organizer: 2007年度日本海洋学会秋季大会
  • Place of Presentation: 琉球大学工学部
• [Presentation] 亜熱帯域の大気-海洋相互作用亜熱, 亜熱帯海洋学の最前線
  • Author(s): 角皆潤・小松大祐・代田里子・今野祐多・桑原潤・中川書子・亀山宗彦・猪俣敏・谷本浩志
  • Organizer: 東京大学海洋研究所共同利用シンポジウム
  • Place of Presentation: 東京大学農学部
• [Remarks]
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• [Remarks]
  • URL: http://marchem.ep.sci.hokudai.ac.jp/index.html
• [Remarks]
  • URL: http://marchem.ep.sci.hokudai.ac.jp/index.html