火山ガスのリモートセンシング : 火山から放出されるSO₂の測定

• 大喜多 敏一

  国立公衆衛生院

• 下鶴 大輔

  東大地震研究所

書誌事項

タイトル別名

• Remote Sensing Measurements of Mass Flow of Sulfur Dioxide Gas from Volcanoes
• 火山ガスのリモートセンシング--火山から放出されるSO2の測定
• カザン ガス ノ リモート センシング カザン カラ ホウシュツサレル SO2

抄録

Measurements of mass flow of SO₂ at Asama Volcano were carried out by means of a Barringer correlation spectrometer on April 28, 1974, one year after the eruptive activity. The spectrometer was carried on the Jeep and the scanning was made with its telescope directed vertically along the drive way which runs eastward of the volcano. The wind velocity at the relevant altitude was measured with pilot ballons. Several runs of measurement syielded the total emission of SO₂ from the summit crater as 780 tons/day. Comparing with the previous value (142 tons/day) in June, 1972, SO₂ emission increased remarkably probably as the consequence of the recent eruptive activity. Global discharge of SO₂ to the atmosphere is evaluated as 3×10⁷ tons per year. From the volcanological point of view, one of the essential problem is to estimate the bulk discharge of H₂O from the individual volcano. If we carry out the similar observation at a volcano where the mole ratio of H₂O/SO₂ is known, we can evaluate the total emission of H₂O and consequently the thermal energy transported by H₂O from a volcano may be estimated.

収録刊行物

• 火山.第２集

  火山.第２集 19 (3), 151-157, 1975

  特定非営利活動法人 日本火山学会

詳細情報

• CRID: 1390282681096925312
• NII論文ID: 110002995387
• NII書誌ID: AN10512786
• ISSN: 04534360
• ISSN: 24330590
• DOI: 10.18940/kazanc.19.3_151
• NDL書誌ID: 1585865
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I1585865
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • NDL
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可