Alkenes in the Arctic boundary layer at Alert, Nunavut, Canada

Jan W. Bottenheim; Hacene Boudries; Peter C. Brickell; Elliot Atlas

doi:10.1016/S1352-2310(02)00113-9

Alkenes in the Arctic boundary layer at Alert, Nunavut, Canada

Jan W. Bottenheim, Hacene Boudries, Peter C. Brickell, Elliot Atlas

Research output: Contribution to journal › Article

22 Scopus citations

Abstract

Measurements of ethene and other non-methane hydrocarbons are reported from intensive measurements campaigns in spring 1998 and 2000. It is argued that the observed levels and the scatter in the data records that have been seen before, are real and not due to canister or other sampling related artifacts. It is then shown that these observations imply that there are local sources for alkenes in the Arctic. Gradient and flux measurements are reported that suggest that this source is in the snow-pack. The flux of ethene out of the snow-pack is estimated to be of the order of 1×10⁷moleculescm^-2s¹ and may be photochemically induced. While small, it is shown that this rate could explain a significant fraction of the observed ethene levels during a typical O₃ depletion episode at Alert. Crown

Original language	English (US)
Pages (from-to)	2585-2594
Number of pages	10
Journal	Atmospheric Environment
Volume	36
Issue number	15-16
DOIs	https://doi.org/10.1016/S1352-2310(02)00113-9
State	Published - Jun 24 2002
Externally published	Yes

Keywords

ALERT2000
Ethene
NMHCs
Snow chemistry

ASJC Scopus subject areas

Environmental Science(all)
Atmospheric Science

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Bottenheim, J. W., Boudries, H., Brickell, P. C., & Atlas, E. (2002). Alkenes in the Arctic boundary layer at Alert, Nunavut, Canada. Atmospheric Environment, 36(15-16), 2585-2594. https://doi.org/10.1016/S1352-2310(02)00113-9

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abstract = "Measurements of ethene and other non-methane hydrocarbons are reported from intensive measurements campaigns in spring 1998 and 2000. It is argued that the observed levels and the scatter in the data records that have been seen before, are real and not due to canister or other sampling related artifacts. It is then shown that these observations imply that there are local sources for alkenes in the Arctic. Gradient and flux measurements are reported that suggest that this source is in the snow-pack. The flux of ethene out of the snow-pack is estimated to be of the order of 1×107moleculescm-2s1 and may be photochemically induced. While small, it is shown that this rate could explain a significant fraction of the observed ethene levels during a typical O3 depletion episode at Alert. Crown",

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AU - Atlas, Elliot

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