A study on concentration variations of greenhouse gases in ancient air using ice core analysis 氷床コア分析による過去の温室効果気体濃度の変遷に関する研究

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著者

    • 町田, 敏暢 マチダ, トシノブ

書誌事項

タイトル

A study on concentration variations of greenhouse gases in ancient air using ice core analysis

タイトル別名

氷床コア分析による過去の温室効果気体濃度の変遷に関する研究

著者名

町田, 敏暢

著者別名

マチダ, トシノブ

学位授与大学

東北大学

取得学位

博士 (理学)

学位授与番号

甲第4717号

学位授与年月日

1993-03-25

注記・抄録

博士論文

目次

  1. Abstract / (0003.jp2)
  2. Acknowledgements / (0006.jp2)
  3. Chapter.1.General Introduction. / p1 (0009.jp2)
  4. Chapter 2.Experimental Procedures / p8 (0016.jp2)
  5. 2.1.Introduction / p9 (0017.jp2)
  6. 2.2.Instruments and methods / p9 (0017.jp2)
  7. 2.3.Precision of measurements and air extraction efficiency of the dry system / p14 (0022.jp2)
  8. 2.4.Effect of evacuation time of ice sample on the CO₂ and CH₄ concentrations / p18 (0026.jp2)
  9. Chapter 3.Concentration Variations of Greenhouse Gases in the Holocene / p29 (0037.jp2)
  10. 3.1.Introduction / p30 (0038.jp2)
  11. 3.2.Descriptions of the Mizuho ice core / p31 (0039.jp2)
  12. 3.3.Dating of air occluded in the Mizuho core / p32 (0040.jp2)
  13. 3.4.Variations of the CO₂,CH₄ and N₂O concentrations between 9000 and 3000 years BP / p33 (0041.jp2)
  14. 3.5.Variations of the CO₂,CH₄ and N₂O concentrations over the last 750 years / p37 (0045.jp2)
  15. Chapter 4.Concentration Variations of Greenhouse Gases in the Glacial Period / p59 (0067.jp2)
  16. 4.1.Introduction / p60 (0068.jp2)
  17. 4.2.Descriptions of South Yamato core / p61 (0069.jp2)
  18. 4.3.Concentration variations of CO₂, CH₄ and N₂O in the glacial period / p62 (0070.jp2)
  19. 4.4.Variations of δ¹³C in CO₂ during the glacial period / p66 (0074.jp2)
  20. 4.5.Age estimation of air in South Yamato ice core / p69 (0077.jp2)
  21. Chapter.5.CH₄ concentration differences between northern and southern high latitudes in pre-industrial/pre-agricultual era / p85 (0093.jp2)
  22. 5.1.Introduction / p86 (0094.jp2)
  23. 5.2.Descriptions of Site J ice core / p87 (0095.jp2)
  24. 5.3.Variations of the CH₄ concentration in the Arctic region and their comparison with those from the Antarctic ice cores / p88 (0096.jp2)
  25. Chapter.6.Detailed concentration variations of greenhouse gases in industrial/agricultural era / p101 (0109.jp2)
  26. 6.1.Introduction / p102 (0110.jp2)
  27. 6.2.Descriptions of H15 ice core / p103 (0111.jp2)
  28. 6.3.Variations of the CO₂ concentration and δ¹³C value over the last 250 years / p104 (0112.jp2)
  29. 6.4.Variations of the CH₄ concentration over the last 250 years / p108 (0116.jp2)
  30. 6.5.Variations of the N₂O concentration over the last 250 years / p111 (0119.jp2)
  31. 6.6.CO₂ emission estimated using a carbon cycle model and atmospheric CO₂ concentration data for the past 250 years / p113 (0121.jp2)
  32. References / p134 (0142.jp2)
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各種コード

  • NII論文ID(NAID)
    500000095273
  • NII著者ID(NRID)
    • 8000000095499
  • DOI(NDL)
  • NDL書誌ID
    • 000000259587
  • データ提供元
    • NDL-OPAC
    • NDLデジタルコレクション
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