Validation of MIPAS ClONO&amp;lt;sub&amp;gt;2&amp;lt;/sub&amp;gt; measurements

Höpfner, Michael; Clarmann, T. von; Fischer, H.; Funke, B.; Glatthor, N.; Grabowski, U.; Kellmann, S.; Kiefer, Michael; Linden, A.; Milz, M.; Steck, T.; Stiller, G. P.; Bernath, P. F.; Blom, C. E.; Blumenstock, Thomas; Boone, C. D.; Chance, K.; Coffey, M. T.; Friedl-Vallon, Felix; Griffith, David; Hannigan, James W.; Hase, Frank; Jones, Nicholas; Jucks, K. W.; Keim, C.; Kleinert, Anne; Kouker, W.; Liu, G. Y.; Mahieu, Emmanuel; Mellqvist, J.; Mikuteit, S.; Notholt, Justus; Oelhaf, H.; Piesch, C.; Reddmann, Thomas; Ruhnke, Roland; Schneider, Mat­thias; Strandberg, A.; Toon, G. C.; Walker, Kaley A.; Warneke, Thorsten; Wetzel, G.; Wood, S.; Zander, Rodolphe

doi:10.5194/acp-7-257-2007

Cited by 66 publications

(49 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Hence, by the end of Arctic winter, high values of more than 2 ppbv ClONO 2 have been measured (see, e.g., Dufour et al, 2006;Höpfner et al, 2007;Wetzel et al, 2010).…”

Section: G Wetzel Et Al: Diurnal Variations Of Reactive Chlorine Anmentioning

confidence: 99%

Diurnal variations of reactive chlorine and nitrogen oxides observed by MIPAS-B inside the January 2010 Arctic vortex

et al. 2012

Self Cite

View full text Add to dashboard Cite

Abstract. The winter 2009/2010 was characterized by a strong Arctic vortex with extremely cold mid-winter temperatures in the lower stratosphere associated with an intense activation of reactive chlorine compounds (ClO x ) from reservoir species. Stratospheric limb emission spectra were recorded during a flight of the balloon version of the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS-B) from Kiruna (Sweden) on 24 January 2010 inside the Arctic vortex. Several fast limb sequences of spectra (in time steps of about 10 min) were measured from nighttime photochemical equilibrium to local noon allowing the retrieval of chlorine-and nitrogen-containing species which change rapidly their concentration around the terminator between night and day. Mixing ratios of species like ClO, NO 2 , and N 2 O 5 show significant changes around sunrise, which are temporally delayed due to polar stratospheric clouds reducing the direct radiative flux from the sun. ClO variations were derived for the first time from MIPAS-B spectra. Daytime ClO values of up to 1.6 ppbv are visible in a broad chlorine activated layer below 26 km correlated with low values (below 0.1 ppbv) of the chlorine reservoir species ClONO 2 . Observations are compared and discussed with calculations performed with the 3-dimensional Chemistry Climate Model EMAC (ECHAM5/MESSy Atmospheric Chemistry). Mixing ratios of the species ClO, NO 2 , and N 2 O 5 are well reproduced by the model during night and noon. However, the onset of ClO production and NO 2 loss around the terminator in the model is not consistent with the measurements. The MIPAS-B observations along with Tropospheric UltravioletVisible (TUV) radiation model calculations suggest that polar stratospheric clouds lead to a delayed start followed by a faster increase of the photodissoziation of ClOOCl and NO 2 near the morning terminator since stratospheric clouds alter the direct and the diffuse flux of solar radiation. These effects are not considered in the EMAC model simulations which assume a cloudless atmosphere.

show abstract

“…Hence, by the end of Arctic winter, high values of more than 2 ppbv ClONO 2 have been measured (see, e.g., Dufour et al, 2006;Höpfner et al, 2007;Wetzel et al, 2010).…”

Section: G Wetzel Et Al: Diurnal Variations Of Reactive Chlorine Anmentioning

confidence: 99%

Diurnal variations of reactive chlorine and nitrogen oxides observed by MIPAS-B inside the January 2010 Arctic vortex

et al. 2012

Self Cite

View full text Add to dashboard Cite

show abstract

“…Additionally, they have been compared to balloon-borne measurements carried out during the Middle Atmosphere Nitrogen TRend Assessment (MANTRA) mission . Mahieu et al (2005) compared ACE-FTS v.1.0 ClONO 2 with ground-based measurements at northern latitudes and ACE-FTS v2.2 ClONO 2 profiles have been included in the validation of MIPAS IMK-IAA data products (Höpfner et al, 2007).…”

Section: Introductionmentioning

confidence: 99%

“…It was followed by ILAS, which measured ClONO 2 from October 1996 to June 1997 , providing the first high-latitude coverage, and by ILAS-II from January to October 2003 . Currently, MI-PAS is the only instrument, other than ACE-FTS, which is in orbit and measuring ClONO 2 ; Höpfner et al (2007) describe validation of the profiles retrieved using the Institut für Meteorologie und Klimaforschung and Instituto de Astrofísica de Andalucía (IMK-IAA) scientific data processor.…”

Section: Introductionmentioning

confidence: 99%

Validation of HNO3, ClONO2, and N2O5 from the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS)

et al. 2008

Self Cite

View full text Add to dashboard Cite

Published by Copernicus Publications on behalf of the European Geosciences Union. Abstract. The Atmospheric Chemistry Experiment (ACE) satellite was launched on 12 August 2003. Its two instruments measure vertical profiles of over 30 atmospheric trace gases by analyzing solar occultation spectra in the ultraviolet/visible and infrared wavelength regions. The reservoir gases HNO 3 , ClONO 2 , and N 2 O 5 are three of the key species provided by the primary instrument, the ACE Fourier Transform Spectrometer (ACE-FTS). This paper describes the ACE-FTS version 2.2 data products, including the N 2 O 5 update, for the three species and presents validation comparisons with available observations. We have compared volume mixing ratio (VMR) profiles of HNO 3 , ClONO 2 , and N 2 O 5 with measurements by other satellite instruments (SMR, MLS, MIPAS), aircraft measurements (ASUR), and single balloon-flights (SPIRALE, FIRS-2). Partial columns of HNO 3 and ClONO 2 were also compared with measurements by ground-based Fourier Transform Infrared (FTIR) spectrometers. Overall the quality of the ACE-FTS v2.2 HNO 3 VMR profiles is good from 18 to 35 km. For the statistical satellite comparisons, the mean absolute differences are generally within ±1 ppbv (±20%) from 18 to 35 km. For MI-PAS and MLS comparisons only, mean relative differences lie within ±10% between 10 and 36 km. ACE-FTS HNO 3 partial columns (∼15-30 km) show a slight negative bias of −1.3% relative to the ground-based FTIRs at latitudes ranging from 77.8 • S-76.5 • N. Good agreement between ACE-FTS ClONO 2 and MIPAS, using the Institut für Meteorologie und Klimaforschung and Instituto de Astrofísica de Andalucía (IMK-IAA) data processor is seen. Mean absolute differences are typically within ±0.01 ppbv between 16 and 27 km and less than +0.09 ppbv between 27 and 34 km. The ClONO 2 partial column comparisons show varying degrees of agreement, depending on the location and the quality of the FTIR measurements. Good agreement was found for the comparisons with the midlatitude Jungfraujoch partial columns for which the mean relative difference is 4.7%. ACE-FTS N 2 O 5 has a low bias relative to MIPAS IMK-IAA, reaching −0.25 ppbv at the altitude of the N 2 O 5 maximum (around 30 km). Mean absolute differences at lower altitudes (16-27 km) are typically −0.05 ppbv for MIPAS nighttime and ±0.02 ppbv for MIPAS daytime measurements.

show abstract

“…MIPAS IMK-IAA ClONO 2 profiles were validated by Höpfner et al (2007), who showed that the MIPAS data set agreed well with correlative balloon and airborne data sets, typically to better than 10 %. Höpfner et al (2007) also compared the MIPAS IMK-IAA profiles to ACE-FTS v2.2 ClONO 2 using diurnal correction factors obtained from a chemical transport model.…”

Section: Mipasmentioning

confidence: 97%

“…Höpfner et al (2007) also compared the MIPAS IMK-IAA profiles to ACE-FTS v2.2 ClONO 2 using diurnal correction factors obtained from a chemical transport model. The diurnally corrected MIPAS data and ACE-FTS typically agreed within 10 % at altitudes between 15 and 27 km.…”

Section: Mipasmentioning

confidence: 99%

Validation of ACE-FTS version 3.5 NOy species profiles using correlative satellite measurements

et al. 2016

View full text Add to dashboard Cite

Abstract. The ACE-FTS (Atmospheric Chemistry Experiment -Fourier Transform Spectrometer) instrument on the Canadian SCISAT satellite, which has been in operation for over 12 years, has the capability of deriving stratospheric profiles of many of the NO y (N + NO + NO 2 + NO 3 + 2 × N 2 O 5 + HNO 3 + HNO 4 + ClONO 2 + BrONO 2 ) species. Version 2.2 of ACE-FTS NO, NO 2 , HNO 3 , N 2 O 5 , and ClONO 2 has previously been validated, and this study compares the most recent version (v3.5) of these five ACE-FTS products to spatially and temporally coincident measurements from other satellite instruments -GOMOS, HALOE, MAE-STRO, MIPAS, MLS, OSIRIS, POAM III, SAGE III, SCIA-MACHY, SMILES, and SMR. For each ACE-FTS measurement, a photochemical box model was used to simulate the diurnal variations of the NO y species and the ACE-FTS measurements were scaled to the local times of the coincident measurements. The comparisons for all five species show good agreement with correlative satellite measurements. ForPublished by Copernicus Publications on behalf of the European Geosciences Union. 5782 P. E. Sheese et al.: Validation of ACE-FTS version 3.5 NO y species profiles NO in the altitude range of 25-50 km, ACE-FTS typically agrees with correlative data to within −10 %. Instrumentaveraged mean relative differences are approximately −10 % at 30-40 km for NO 2 , within ±7 % at 8-30 km for HNO 3 , better than −7 % at 21-34 km for local morning N 2 O 5 , and better than −8 % at 21-34 km for ClONO 2 . Where possible, the variations in the mean differences due to changes in the comparison local time and latitude are also discussed.

show abstract

Validation of MIPAS ClONO<sub>2</sub> measurements

Cited by 66 publications

References 47 publications

Diurnal variations of reactive chlorine and nitrogen oxides observed by MIPAS-B inside the January 2010 Arctic vortex

Diurnal variations of reactive chlorine and nitrogen oxides observed by MIPAS-B inside the January 2010 Arctic vortex

Validation of HNO<sub>3</sub>, ClONO<sub>2</sub>, and N<sub>2</sub>O<sub>5</sub> from the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS)

Validation of ACE-FTS version 3.5 NO<sub><i>y</i></sub> species profiles using correlative satellite measurements

Contact Info

Product

Resources

About

Validation of MIPAS ClONO&lt;sub&gt;2&lt;/sub&gt; measurements

Cited by 66 publications

References 47 publications

Diurnal variations of reactive chlorine and nitrogen oxides observed by MIPAS-B inside the January 2010 Arctic vortex

Diurnal variations of reactive chlorine and nitrogen oxides observed by MIPAS-B inside the January 2010 Arctic vortex

Validation of HNO&lt;sub&gt;3&lt;/sub&gt;, ClONO&lt;sub&gt;2&lt;/sub&gt;, and N&lt;sub&gt;2&lt;/sub&gt;O&lt;sub&gt;5&lt;/sub&gt; from the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS)

Validation of ACE-FTS version 3.5 NO&lt;sub&gt;&lt;i&gt;y&lt;/i&gt;&lt;/sub&gt; species profiles using correlative satellite measurements

Contact Info

Product

Resources

About

Validation of MIPAS ClONO<sub>2</sub> measurements

Validation of HNO<sub>3</sub>, ClONO<sub>2</sub>, and N<sub>2</sub>O<sub>5</sub> from the Atmospheric Chemistry Experiment Fourier Transform Spectrometer (ACE-FTS)

Validation of ACE-FTS version 3.5 NO<sub><i>y</i></sub> species profiles using correlative satellite measurements