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上海-南极洋面大气N2O的δ15N与δ18O时空变化特征
南极 氧化亚氮
2009/2/24
在中国第22次南极科学考察期间, 采用Tedlar气袋采集了“雪龙号”考察船航线上洋面大气样品以及东南极米洛半岛近地面大气样品(采样时间分别为地方时上午10:00和夜间22:00), 在室内通过带有全自动预GC浓缩接口(PreCon)的Thermo Finnigan MAT-253同位素质谱仪, 对这些大气样品中N2O的同位素组成进行了高精度地测量; 并分析了其δ15N与δ18O空间变化规律. 上...
Supersaturated N2O in a perennially ice-covered Antarctic lake: Molecular and stable isotopic evidence for a biogeochemical relict
Supersaturated N2O perennially ice-covered Antarctic lake Molecular and stable isotopic a biogeochemical relict
2014/4/18
The east lobe of Lake Bonney, a permanently ice-covered lake in the McMurdoDry Valleys, Antarctica, has a mid-depth maximum N2O concentration of 43.3mmolNL21(.700,000%saturation with respect to air), ...