Determination of Methane Concentration in Air Extracted from Antarctic Ice Core Samples.
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概要
- 論文の詳細を見る
A convenient method was developed for detrmination of methane concentration in old air trapped in Antarctic ice core samples. The air was extracted with a stainless steel bellows pump after quick refreezing of melted ice samples and the methane was measured with a gas chromatograph with an FID. The averaged methane concentration in the Mizuho ice core at a depth of 330 m (ca. 3600 BP, 11 samples) was 750±20 ppbv.
- 公益社団法人 日本化学会の論文
著者
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Fujii Yoshiyuki
National Institute Of Polar Research
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TOMINAGA Takeshi
Department of Chemistry, Faculty of Science, The University of Tokyo
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TOHJIMA Yasunori
Department of Chemistry, Faculty of Science, University of Tokyo
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Tominaga Takeshi
Department Of Chemistry Faculty Of Science The University Of Tokyo
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Makide Yoshihiro
Radioisotope Center The Univ. Of Tokyo
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Tohjima Yasunori
Department of Chemistry, Faculty of Science, The University of Tokyo
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- Preface
- Glaciological Data Collected by the 30th, 31st and 32nd Japanese Antarctic Research Expeditions in 1989-1991
- 5. Surface Meteorological Data during Oversnow Traverses(Glaciological Data Collected by the 37th Japanese Antarctic Research Expedition during 1996-1997)
- 4. Snow Temperature Data at Dome Fuji Station(Glaciological Data Collected by the 37th Japanese Antarctic Research Expedition during 1996-1997)
- 3. Surface Snow Density around Dome Fuji Station(Glaciological Data Collected by the 37th Japanese Antarctic Research Expedition during 1996-1997)
- 2. Net Accumulation of Snow at Dome Fuji Station(Glaciological Data Collected by the 37th Japanese Antarctic Research Expedition during 1996-1997)
- 1. Outline of Field Observations during 1996-1997(Glaciological Data Collected by the 37th Japanese Antarctic Research Expedition during 1996-1997)
- Geomorphological and glaciological aspects around the highest dome in Queen Maud Land, East Antarctica
- Neutron activation analysis of spherules from bare ice near the Allan Hills and an ice core from Mizuho Station (abstract)
- Instrumental neutron activation analyses of the spherules from the Mizuho ice core (abstract)
- Semiannual Variation of Microparticle Concentration in Snow Drift at Mizuho Station, Antarctica in 1977
- Seasonal variation of pH values in snow at Halley Base and Mizuho Station, Antarctica (abstract)
- Seasonal variation of oxygen isotopic composition of drifting snow at Mizuho Station, East Antarctica (abstract)
- Past 30-year pH record in a firm core from the Brust Ice Shelf, Antarctica, and its relationship to volcanic events
- Formation of Surface Snow Layer at Mizuho Station, Antarctica
- Comparison of the Seasonal Meteorological Variations between Mizuho and Syowa Stations, Antarctica in 1977
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- Atmospheric concentrations of halocarbons in Japan in 1979-1986.
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- Observation of Snow Particles at Hidden Valley, Mukut Himal:Glaciological Expedition of Nepal, Contribution No. 50
- Preliminary Investigations of Sediment Core Samples from the Tsola-Tso Lake, Khumbu Himal:Glaciological Expedition of Nepal, Contribution No. 77