The seasonal cycle of peroxyacetyl nitrate (PAN) in the European Arctic

被引：47

作者：

Beine, HJ ^{[1
]}

Krognes, T ^{[1
]}

机构：

[1] Norwegian Inst Air Res, NILU, N-2027 Kjeller, Norway

来源：

ATMOSPHERIC ENVIRONMENT | 2000年 / 34卷 / 06期

关键词：

peroxyacetyl nitrate; PAN; Arctic; atmospheric chemistry; instrumental development; calibration; ozone;

D O I：

10.1016/S1352-2310(99)00288-5

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Measurements of peroxyacetyl nitrate (PAN) over a 3-yr period at the Zeppelin mountain near Ny-Alesund, Svalbard show a distinct annual cycle with a spring maximum of about 400 pmol mol(-1), and a summer minimum of 80 pmol mol (-1). In this paper the measurement technique is shown together with a detailed error discussion. PAN at this high latitude location is co-transported with ozone. Thermal decomposition of PAN in the high Arctic troposphere may occur mostly during summer. During spring it is too small for PAN to have a sizeable local effect on the observed spring time ozone maximum. (C) 2000 Elsevier Science Ltd. All rights reserved.

引用

收藏

页码：933 / 940

页数：8

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