The seasonal cycle of N2O -: art. no. L17108

被引：18

作者：

Liao, T ^{[1
]}

Camp, CD

Yung, YL

机构：

[1] CALTECH, Dept Phys, Pasadena, CA 91125 USA

[2] CALTECH, Dept Appl & Computat Math, Pasadena, CA USA

[3] CALTECH, Div Geol & Planetary Sci, Pasadena, CA USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2004年 / 31卷 / 17期

关键词：

D O I：

10.1029/2004GL020345

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

We have carried out an empirical study of the seasonal cycle of nitrous oxide (N2O) using the data archived by the National Oceanic and Atmospheric Administration-Climate Monitoring and Diagnostics Laboratory (NOAA-CMDL) Global Cooperative Air Sampling Network from 1977 to 2000. In order to isolate the seasonal cycle, we first detrended the data using least square polynomial fits. The remaining variability was averaged to extract the seasonal cycle, which has an amplitude of about 0.8 ppbv. The statistical significance of the seasonal signal was established using the multitaper method and Welch's method for power spectrum analysis.

引用

页码：L171081 / 3

页数：3

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