大気中・海洋中N2O濃度自動測定器の開発

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タイトル別名
  • The development of automatic N2O concentration in the air and the sea
  • タイキチュウ カイヨウチュウ N2O ノウド ジドウ ソクテイキ ノ カイハツ
  • 大気・海洋中N2O濃度自動測定器の開発
  • タイキ カイヨウチュウ N2O ノウド ジドウ ソクテイキ ノ カイハツ

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抄録

To clear the behavior of greenhouse effect gases is important for resolution of the global warming issue. Nitrous Oxide (N2O) is one of the green house effect gases. There are many unclear points for N2O. In particular, Ocean is though to act reserve of N2O procreation and absorption generally. The observation of N2O concentration has not been carried out sufficiently and the exchange volume between the sea and the air has not been observed constantly. The one of the reason of it is that we have not standard measurement method of N2O concentration in the sea water. So, the detailed spatial and temporal observation is difficult now. So, we attempted the development of N2O concentration measurement system and the prototype was made. N2O measurement by the batch method has advantage that time is shorter and sample sea water is smaller. Measurement time in the system is about 30 minutes. Therefore, spatial distribution of N2O concentration in the sea by using a ship which has 10 knot speed will be obtained every about 10km. And, we measure N2O concentration in the air at the same time to obtain the direction of N2O flux between the sea and the air.

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