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 | |
| State | Published - 2002 |
| Externally published | Yes |
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Keywords
- ALERT2000
- Ethene
- NMHCs
- Snow chemistry
ASJC Scopus subject areas
- Atmospheric Science
- Environmental Science(all)
- Pollution
Cite this
Alkenes in the Arctic boundary layer at Alert, Nunavut, Canada. / Bottenheim, Jan W.; Boudries, Hacene; Brickell, Peter C.; Atlas, Elliot L.
In: Atmospheric Environment, Vol. 36, No. 15-16, 2002, p. 2585-2594.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Alkenes in the Arctic boundary layer at Alert, Nunavut, Canada
AU - Bottenheim, Jan W.
AU - Boudries, Hacene
AU - Brickell, Peter C.
AU - Atlas, Elliot L
PY - 2002
Y1 - 2002
N2 - 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
AB - 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
KW - ALERT2000
KW - Ethene
KW - NMHCs
KW - Snow chemistry
UR - http://www.scopus.com/inward/record.url?scp=0036017567&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0036017567&partnerID=8YFLogxK
U2 - 10.1016/S1352-2310(02)00113-9
DO - 10.1016/S1352-2310(02)00113-9
M3 - Article
AN - SCOPUS:0036017567
VL - 36
SP - 2585
EP - 2594
JO - Atmospheric Environment
JF - Atmospheric Environment
SN - 1352-2310
IS - 15-16
ER -