In situ observations of midlatitude stratospheric ClO and BrO

William H. Brune; James G. Anderson

doi:10.1029/GL013i013p01391

In situ observations of midlatitude stratospheric ClO and BrO

William H. Brune, James G. Anderson

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47 Scopus citations

Abstract

A balloon‐borne experiment to measure midlatitude stratospheric [BrO] and [ClO] by NO chemical conversion/atomic resonance fluorescence was flown from Palestine, Texas, on 20 May 1986. In this first study of BrO, no signal attributable to BrO was detected, and upper limits (2σ uncertainty) between 35 and 24 km altitude give BrO mixing ratios less than 15 pptv. Current models predict mixing ratios that are 1.7 times larger. Measurements of [ClO] were obtained at less than .2 km altitude resolution from 41 to 22 km. The smoothly varying altitude profile lies within the range of 2‐D model calculations.

Original language	English (US)
Pages (from-to)	1391-1394
Number of pages	4
Journal	Geophysical Research Letters
Volume	13
Issue number	13
DOIs	https://doi.org/10.1029/GL013i013p01391
State	Published - Dec 1986

All Science Journal Classification (ASJC) codes

Geophysics
Earth and Planetary Sciences(all)

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10.1029/GL013i013p01391

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title = "In situ observations of midlatitude stratospheric ClO and BrO",

abstract = "A balloon‐borne experiment to measure midlatitude stratospheric [BrO] and [ClO] by NO chemical conversion/atomic resonance fluorescence was flown from Palestine, Texas, on 20 May 1986. In this first study of BrO, no signal attributable to BrO was detected, and upper limits (2σ uncertainty) between 35 and 24 km altitude give BrO mixing ratios less than 15 pptv. Current models predict mixing ratios that are 1.7 times larger. Measurements of [ClO] were obtained at less than .2 km altitude resolution from 41 to 22 km. The smoothly varying altitude profile lies within the range of 2‐D model calculations.",

author = "Brune, {William H.} and Anderson, {James G.}",

year = "1986",

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doi = "10.1029/GL013i013p01391",

language = "English (US)",

volume = "13",

pages = "1391--1394",

journal = "Geophysical Research Letters",

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T1 - In situ observations of midlatitude stratospheric ClO and BrO

AU - Brune, William H.

AU - Anderson, James G.

PY - 1986/12

Y1 - 1986/12

N2 - A balloon‐borne experiment to measure midlatitude stratospheric [BrO] and [ClO] by NO chemical conversion/atomic resonance fluorescence was flown from Palestine, Texas, on 20 May 1986. In this first study of BrO, no signal attributable to BrO was detected, and upper limits (2σ uncertainty) between 35 and 24 km altitude give BrO mixing ratios less than 15 pptv. Current models predict mixing ratios that are 1.7 times larger. Measurements of [ClO] were obtained at less than .2 km altitude resolution from 41 to 22 km. The smoothly varying altitude profile lies within the range of 2‐D model calculations.

AB - A balloon‐borne experiment to measure midlatitude stratospheric [BrO] and [ClO] by NO chemical conversion/atomic resonance fluorescence was flown from Palestine, Texas, on 20 May 1986. In this first study of BrO, no signal attributable to BrO was detected, and upper limits (2σ uncertainty) between 35 and 24 km altitude give BrO mixing ratios less than 15 pptv. Current models predict mixing ratios that are 1.7 times larger. Measurements of [ClO] were obtained at less than .2 km altitude resolution from 41 to 22 km. The smoothly varying altitude profile lies within the range of 2‐D model calculations.

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EP - 1394

JO - Geophysical Research Letters

JF - Geophysical Research Letters

IS - 13

ER -

In situ observations of midlatitude stratospheric ClO and BrO

Abstract

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