The variation of available chlorine, Cly, in the Arctic Polar Vortex during EASOE

Ulrich Schmidt; Reimar Bauer; Andreas Engel; Reinhard Borchers; Julia Lee

doi:10.1029/93GL01055

The variation of available chlorine, Cl_y, in the Arctic Polar Vortex during EASOE

Ulrich Schmidt
, Reimar Bauer
, Andreas Engel
, Reinhard Borchers
, Julia Lee

Experimental Science Section

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

Abstract

Whole air samplers were flown on large balloons that were launched from Kiruna (67.9°N, 21.1°E) in the period from 30 November 1991 until 20 March 1992 during EASOE. Thirteen vertical profiles of the CCl₂F₂ mixing ratio were obtained from the analyses of stratospheric air samples that were collected at altitudes between about 10 and 31 km. An empirical correlation function derived from simultaneous profile observations of CCl₂F₂ and the five other most abundant organic chlorine species was used to determine the vertical distribution of total organic chlorine (Σ Cl_org) for each flight. These profiles allowed to estimate vertical profiles of the mixing ratio of total available chlorine, Cl_y, and the temporal variation of its column abundance.

Original language	English
Pages (from-to)	1215-1218
Number of pages	4
Journal	Geophysical Research Letters
Volume	21
Issue number	13
DOIs	https://doi.org/10.1029/93GL01055
State	Published - Jun 22 1994

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title = "The variation of available chlorine, Cly, in the Arctic Polar Vortex during EASOE",

abstract = "Whole air samplers were flown on large balloons that were launched from Kiruna (67.9°N, 21.1°E) in the period from 30 November 1991 until 20 March 1992 during EASOE. Thirteen vertical profiles of the CCl2F2 mixing ratio were obtained from the analyses of stratospheric air samples that were collected at altitudes between about 10 and 31 km. An empirical correlation function derived from simultaneous profile observations of CCl2F2 and the five other most abundant organic chlorine species was used to determine the vertical distribution of total organic chlorine (Σ Clorg) for each flight. These profiles allowed to estimate vertical profiles of the mixing ratio of total available chlorine, Cly, and the temporal variation of its column abundance.",

author = "Ulrich Schmidt and Reimar Bauer and Andreas Engel and Reinhard Borchers and Julia Lee",

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AU - Schmidt, Ulrich

AU - Bauer, Reimar

AU - Engel, Andreas

AU - Borchers, Reinhard

AU - Lee, Julia

PY - 1994/6/22

Y1 - 1994/6/22

N2 - Whole air samplers were flown on large balloons that were launched from Kiruna (67.9°N, 21.1°E) in the period from 30 November 1991 until 20 March 1992 during EASOE. Thirteen vertical profiles of the CCl2F2 mixing ratio were obtained from the analyses of stratospheric air samples that were collected at altitudes between about 10 and 31 km. An empirical correlation function derived from simultaneous profile observations of CCl2F2 and the five other most abundant organic chlorine species was used to determine the vertical distribution of total organic chlorine (Σ Clorg) for each flight. These profiles allowed to estimate vertical profiles of the mixing ratio of total available chlorine, Cly, and the temporal variation of its column abundance.

AB - Whole air samplers were flown on large balloons that were launched from Kiruna (67.9°N, 21.1°E) in the period from 30 November 1991 until 20 March 1992 during EASOE. Thirteen vertical profiles of the CCl2F2 mixing ratio were obtained from the analyses of stratospheric air samples that were collected at altitudes between about 10 and 31 km. An empirical correlation function derived from simultaneous profile observations of CCl2F2 and the five other most abundant organic chlorine species was used to determine the vertical distribution of total organic chlorine (Σ Clorg) for each flight. These profiles allowed to estimate vertical profiles of the mixing ratio of total available chlorine, Cly, and the temporal variation of its column abundance.

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SP - 1215

EP - 1218

JO - Geophysical Research Letters

JF - Geophysical Research Letters

IS - 13

ER -

The variation of available chlorine, Cl_y, in the Arctic Polar Vortex during EASOE

Abstract

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