TRENDS IN SURFACE OZONE CONCENTRATIONS AT AROSA (SWITZERLAND)

被引：168

作者：

STAEHELIN, J

THUDIUM, J

BUEHLER, R

VOLZTHOMAS, A

GRABER, W

机构：

[1] OEKOSCI INST CHUR, CH-7000 CHUR, SWITZERLAND

[2] FORSCHUNGSZENTRUM JULICH, FORSCHUNGSZENTRUM, INST CHEM BELASTETEN ATMOSPHARE, W-5170 JULICH, GERMANY

[3] PAUL SCHERRER INST, CH-5232 VILLIGEN, SWITZERLAND

来源：

ATMOSPHERIC ENVIRONMENT | 1994年 / 28卷 / 01期

关键词：

TRENDS; OZONE; AIR POLLUTION; PHOTOCHEMISTRY; TRANSPORT; TROPOSPHERE;

D O I：

10.1016/1352-2310(94)90024-8

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

During the years 1989-1991, ozone was measured at four sites around Arosa(Switzerland). One of these sites was identical with that, where surface ozone was measured in the 1950s (Gotz and Volt, 1951; Perl, 1965). Comparison of both old and recent data indicates that surface ozone concentrations at Arosa have increased by a factor of approximately 2.2. The increase shows a seasonal variation with a relative increase of more than a factor of three in December and January. The results are discussed in the context of measurements made at other times, locations and altitudes. The comparison indicates that the increase in ozone levels at Arosa has most likely occurred between the fifties and today. The measurements additionally suggest that photochemical ozone production in the free troposphere has significantly contributed to the observed ozone trends in winter.

引用

页码：75 / 87

页数：13

共 72 条

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