可視化情報学会誌
Online ISSN : 1884-037X
Print ISSN : 0916-4731
ISSN-L : 0916-4731
B242 世界規模におけるCO2濃度の連続ウェーブレット解析及び空間分布特性
清水 保長谷部 正彦鈴木 善晴日野 幹雄
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2003 年 23 巻 Supplement2 号 p. 185-188

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In recent years, global warming is aggravating and CO2 concentration in the atmosphere is generally a major cause. Consequently, it is necessary to grasp the variation characteristics of CO2 concentration and to raise the concern about environment by visualizing CO2 concentration in the atmosphere.
Then, the report enabled expression of three dimensions by CO2 concentration in the atmosphere, time domain and frequency domain by using the continuous wavelet analysis made a base function; the Maxican-hat type. Therefore it clarified the local periodic characteristics. Moreover, the space distribution characteristics was clarified by using the contour of CO2 concentration in the whole earth.

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