Atmospheric nitrous oxide observations above the oceanic surface during the first Chinese Arctic Research Expedition

被引：2

作者：

朱仁斌

孙立广

谢周清

赵俊琳

机构：

[1] Institute of Polar Environment

[2] University of Science and Technology of China

[3] Hefei

[4] China

[5] Institute of Environmental Science

[6] Beijing Normal University

[7] Beijing

来源：

Chinese Journal of Polar Science | 2003年 / 02期

关键词：

Arctic Ocean; Northern Pacific Ocean; Nitrous oxide; Atmosphere;

D O I：

暂无

中图分类号：

P734 [海洋化学];

学科分类号：

070702 ;

摘要：

<正> 339 gas samples above oceanic surface were collected on the cruise of "Xuelong" expeditionary ship and nitrous oxide concentrations were analyzed in the laboratory. Results showed that Atmospheric average N2O concentration was 309 ±3. 8nL/L above the surface of northern Pacific and Arctic ocean. N2O concentrations were significantly different on the northbound and southbound track in the range of the same latitude, 308.0 ±3.5 nL/L from Shanghai harbor to the Arctic and 311.9 ±2.5 nL/L from the Arctic to Shanghai harbor. N2O concentration had a greater changing magnitude on the mid- and high-latitude oceanic surface of northern Pacific Ocean than in the other latitudinal ranges. The correlation between the concentrations of the compositions in the aerosol samples and atmospheric N2 O showed that continental sources had a great contribution on atmospheric N2 O concentration above the oceanic surface. Atmospheric N2O concentration significantly increased when the expeditionary ship approached Shanghai h

引用

页码：138 / 148

页数：11

共 6 条

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