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Latitudinal distribution of CO 2 and CH 4 on the route of the Chinese Arctic R esearch Expedition 2003

【标题】Latitudinal distribution of CO 2 and CH 4 on the route of the Chinese Arctic R esearch Expedition 2003

【Title】Latitudinal distribution of CO 2 and CH 4 on the route of the Chinese Arctic R esearch Expedition 2003

【作者】 张东启; 徐建中; 汤洁; 温民

【Author】 Zhang Dongqi ; Xu Jianzhong ; Tang Jie ; Wen Min

【期刊】极地研究

【Journal】

【期刊年份】2006

【卷】17

【期】2

【关键词】 the 2nd Chinese Arctic Research Expedition; CO 2 and CH 4; concentration; latitudinal distribution

【Keywords】 the 2nd Chinese Arctic Research Expedition; CO 2 and CH 4; concentration; latitudinal distribution

【摘要】During the 2nd Chinese Arctic Research Expedition, 20 pair of atmospheric samples were collected on the cruising route from Shanghai to Arctic Ocean using NOAA/ESRL flask sampling unit. Mean concentration of CO 2 and CH 4 were an alyz ed in different latitude zone from 30°N to 80°N and the distribution character is tics were studied. Mean concentration of CO 2 decrease toward high latitude whi ch indicates the uptake effect of CO 2 by ocean. Coinciding with the CH 4 global dis tribution character,mean CH 4 concentration increase from 45°N to the North Pole region. Regional or local air mass may influence the greenhouse gas concentrati ons near seashore in the middle latitude (30°N-45°N).

【Abstract】During the 2nd Chinese Arctic Research Expedition, 20 pair of atmospheric samples were collected on the cruising route from Shanghai to Arctic Ocean using NOAA/ESRL flask sampling unit. Mean concentration of CO 2 and CH 4 were an alyz ed in different latitude zone from 30°N to 80°N and the distribution character is tics were studied. Mean concentration of CO 2 decrease toward high latitude whi ch indicates the uptake effect of CO 2 by ocean. Coinciding with the CH 4 global dis tribution character,mean CH 4 concentration increase from 45°N to the North Pole region. Regional or local air mass may influence the greenhouse gas concentrati ons near seashore in the middle latitude (30°N-45°N).

【基金/项目】 北极新奥尔松地区沉积物中粪甾醇对人类活动的示踪研究 ; 中美海洋碳循环研究和海水加铁试验技术 ; 中美合作南大洋大气铁输入海洋通量研究 ; 中美合作南大洋碳循环数据分析和模式研究

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