References

ACP

Atmospheric Chemistry and Physics

ACP

1680-7324

Copernicus GmbH

Göttingen, Germany

10.5194/acp-7-1275-2007

Simultaneous ground-based observations of O3, HCl, N2O, and CH4 over Toronto, Canada by three Fourier transform spectrometers with different resolutions

Wunch

¹ Taylor

J. R.

¹ Fu

² Bernath

² ³ Drummond

J. R.

¹ ⁴ Midwinter

¹ Strong

¹ Walker

K. A.

¹ ²

Department of Physics, University of Toronto, Toronto, ON, M5S 1A7, Canada

Department of Chemistry, University of Waterloo, Waterloo, ON, N2L 3G1, Canada

Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK

Department of Physics and Atmospheric Science, Dalhousie University, Halifax, NS, B3H 3J5, Canada

22 02 2007

7 5 1275 1292

This is an open-access article ditributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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An intercomparison of three Fourier transform spectrometers (FTSs) with significantly different resolutions is presented. The highest-resolution instrument has a maximum optical path difference of 250 cm, and the two lower-resolution instruments have maximum optical path differences of 50 cm and 25 cm. The results indicate that the two lower-resolution instruments can retrieve total column amounts of O3, HCl, N2O and CH4 using the SFIT2 retrieval code with percent differences from the high-resolution instrument generally better than 4%. Total column amounts of the stratospheric species (O3 and HCl) have larger differences than those of the tropospheric species (N2O and CH4). Instrument line shape (ILS) information is found to be of critical importance when retrieving total columns of stratospheric gases from the lower-resolution instruments. Including the ILS information in the retrievals significantly reduces the difference in total column amounts between the three instruments. The remaining errors for stratospheric species total column amounts can be attributed to the lower sensitivity of the lower-resolution FTSs to the stratosphere.

References 1

Bernath, P F., McElroy, C T., Abrams, M C., Boone, C D., Butler, M., Camy-Peyret, C., Carleer, M., Clerbaux, C., Coheur, P F., Colin, R., DeCola, P., DeMazi\^ere, M., Drummond, J R., Dufour, D., Evans, W. F J., Fast, H., Fussen, D., Gilbert, K., Jennings, D E., Llewellyn, E J., Lowe, R P., Mahieu, E., McConnel, J C., McHugh, M., McLeod, S D., Michaud, R., Midwinter, C., Nassar, R., Nichitiu, F., Nowlan, C., Rinsland, C P., Rochon, Y J., Rowlands, N., Semeniuk, K., Simon, P., Skelton, R., Sloan, J J., Soucy, M A., Strong, K., Tremblay, P., Turnbull, D., Walker, K A., Walkty, I., Wardle, D A., Wehrle, V., Zander, R., and Zou, J.: Atmospheric Chemistry Experiment (ACE): Mission Overview, Geophys. Res. Lett., 32, L15S01, \mbox\doi10.1029/2005GL022386, 2005.

Brown, L., Benner, D C., Champion, J., Devi, V., Fejard, L., Gamache, R., Gabard, T., Hilico, J., Lavorel, B., Loete, M., Mellau, G., Nikitin, A., Pine, A., Predoi-Cross, A., Rinsland, C., Robert, O., Sams, R., Smith, M., Tashkun, S., and Tyuterevk, V.: Methane line parameters in HITRAN, J. Quant. Spectrosc. Radiat. Trans., 82, 219�–238, 2003.

Carli, B., Alpaslan, D., Carlotti, M., Castelli, E., Ceccherini, S., Dinelli, B M., Dudhia, A., Flaud, J M., Hoepfner, M., Jay, V., Magnani, L., Oelhaf, H., Payne, V., Piccolo, C., Prosperi, M., Raspollini, P., Remedios, J., Ridolfi, M., and Spang, R.: First results of MIPAS/ENVISAT with operational Level 2 code, Adv. Space Res., 33, 1012–1019, 2004.

Coffey, M T., Goldman, A., Hannigan, J W., Mankin, W G., Schoenfeld, W G., Rinsland, C P., Bernardo, C., and Griffith, D. W T.: Improved Vibration-Rotation (0-1) HBr Line Parameters for Validating High Resolution Infrared Atmospheric Spectra Measurements, J. Quant. Spectrosc. Radiat. Trans., 60, 863–867, 1998.

Dils, B., de Mazière, M., Müller, J F., Blumenstock, T., Buchwitz, M., de Beek, R., Demoulin, P., Duchatelet, P., Fast, H., Frankenberg, C., Gloudemans, A., Griffith, D., Jones, N., Kerzenmacher, T., Kramer, I., Mahieu, E., Mellqvist, J., Mittermeier, R L., Notholt, J., Rinsland, C P., Schrijver, H., Smale, D., Strandberg, A., Straume, A G., Stremme, W., Strong, K., Sussmann, R., Taylor, J., van den Broek, M., Velazco, V., Wagner, T., Warneke, T., Wiacek, A., and Wood, S.: Comparisons between SCIAMACHY and ground-based FTIR data for total columns of CO, CH4, CO2 and N2O, Atmos. Chem. Phys., 6, 1953–1976, 2006.

Fu, D., Walker, K A., Sung, K., Boone, C D., Soucy, M A., and Bernath, P F.: The portable atmospheric research interferometric spectrometer for the infrared, PARIS-IR, J. Quant. Spectrosc. Radiat. Trans., 2006.

Gallery, W O., Kneizys, F X., and Clough, S A.: Air mass computer program for atmospheric transmittance/radiance calculation: FSCATM, AFGL-TR-0208 Environmental Research papers, 1983.

Goldman, A., Paton-Walsh, C., Bell, W., Toon, G C., Blavier, J.-F., Sen, B., Coffey, M T., Hannigan, J W., and Mankin, W G.: Network for the Detection of Stratospheric Change Fourier transform infrared intercomparison at Table Mountain Facility, November 1996, J. Geophys. Res., 104, 30 481–30 503, 1999.

Griffith, D. W T., Jones, N B., McNamara, B., Paton-Walsh, C., Bell, W., and Bernardo, C.: Intercomparison of NDSC ground-based solar FTIR measurements of atmospheric gases at Lauder, New Zealand, J. Atmos. Ocean. Technol., 20, 1138–1153, 2003.

Hase, F., Blumenstock, T., and Paton-Walsh, C.: Analysis of the instrumental line shape of high-resolution Fourier transform IR spectrometers with gas cell measurements and new retrieval software, Appl. Opt., 38, 3417–3422, 1999.

Hase, F., Hannigan, J., Coffey, M., Goldman, A., Höpfner, M., Jones, N., Rinsland, C., and Wood, S.: Intercomparison of retrieval codes used for the analysis of high-resolution, ground-based FTIR measurements, J. Quant. Spectrosc. Radiat. Trans., 87, 25�–52, 2004.

Kerzenmacher, T E., Walker, K A., Strong, K., Berman, R., Bernath, P F., Boone, C D., Drummond, J R., Fast, H., Fraser, A., MacQuarrie, K., Midwinter, C., Sung, K., McElroy, C T., Mittermeier, R L., Walker, J., and Wu, H.: Measurements of O3, NO2 and Temperature during the 2004 Canadian Arctic ACE Validation Campaign, Geophys. Res. Lett., 32, L16S07, \mbox\doi10.1029/2005GL023032, 2005.

Kurylo, M J. and Zander, R J.: The NDSC – Its status after ten years of operation, in: Proceedings of XIX Quadrennial Ozone Symposium, Hokkaido University, Sapporo, Japan, pp. 167–168, 2000.

Mahieu, E., Zander, R., Duchatelet, P., Hannigan, J W., Coffey, M T., Mikuteit, S., Hase, F., Blumenstock, T., Wiacek, A., Strong, K., Taylor, J R., Mittermeier, R., Fast, H., Boone, C D., McLeod, S D., Walker, K A., Bernath, P F., and Rinsland, C P.: Comparisons between ACE-FTS and ground-based measurements of stratospheric HCl and ClONO2 loadings at northern latitudes, Geophys. Res. Lett., 32, L15S08, \mbox\doi10.1029/2005GL022396, 2005.

Meier, A., Goldman, A., Manning, P S., Stephen, T M., Rinsland, C P., Jones, N B., and Wood, S W.: Improvements to air mass calculations for ground-based infrared measurements, J. Quant. Spectrosc. Radiat. Trans., 83, 109–113, 2004.

Meier, A., Paton-Walsh, C., Bell, W., Blumenstock, T., Hase, F., Goldman, A., Steen, A., Kift, R., Woods, P., and Kondo, Y.: Evidence of reduced measurement uncertainties from an FTIR instrument intercomparison at Kiruna, Sweden, J. Quant. Spectrosc. Radiat. Trans., 96, 75–84, 2005.

Paton-Walsh, C., Bell, W., Gardiner, T., Swann, N., Woods, P., Notholt, J., Schütt, H., Galle, B., Arlander, W., and Mellqvist, J.: An uncertainty budget for ground-based Fourier transform infrared column measurements of HCl, HF, N2O and HNO3 deduced from results of side-by-side instrument intercomparisons, J. Geophys. Res., 102, 8867–8873, 1997.

Pougatchev, N S., Connor, B J., and Rinsland, C P.: Infrared measurements of the ozone vertical distribution above Kitt Peak, J. Geophys. Res., 100, 16 689–16 698, \doi10.1029/95JD01296, 1995.

Rinsland, C P., Smith, M. A H., Rinsland, P L., Goldman, A., Brault, J W., and Stokes, G.: Ground-based infrared spectroscopic measurements of atmospheric hydrogen cyanide, J. Geophys. Res., 87, 11 119–11 125, 1982.

Rinsland, C P., Jones, N B., Connor, B J., Logan, J A., Pougatchev, N S., Goldman, A., Murcray, F J., Stephen, T M., Pine, A S., Zander, R., Mahieu, E., and Demoulin, P.: Northern and southern hemisphere ground-based infrared spectroscopic measurements of tropospheric carbon monoxide and ethane, J. Geophys. Res., 103, 197–218, \doi10.1029/98JD02515, 1998.

Rodgers, C D.: Inverse Methods for Atmospheric Sounding: Theory and Practice, vol 2 of Series on Atmospheric, Oceanic and Planetary Physics, World Scientific Co. Pte. Ltd., 2000.

Rodgers, C D. and Connor, B J.: Intercomparison of remote sounding instruments, J. Geophys. Res., 108, 4116, \mbox\doi10.1029/2002JD002299, 2003.

Rothman, L., Jacquemart, D., Barbe, A., Benner, D C., Birk, M., Brown, L., Carleer Jr., M., C C., Chance, K., Coudert, L., Dana, V., Devi, V., Flaud, J.-M., Gamache, R., Goldman, A., Hartmann, J.-M., Jucks, K., Maki, A., Mandin, J.-Y., Massie, S., Orphal, J., Perrin, A., Rinsland, C., Smith, M., Tennyson, J., Tolchenov, R., Toth, R., Auwera, J V., Varanasi, P., and Wagner, G.: The HITRAN 2004 molecular spectroscopic database, J. Quant. Spectrosc. Radiat. Trans., 96, 139�–204, 2005.

Russell, J M., Gordley, L L., Deaver, L., Thompson, R., and Park, J H.: An overview of the Halogen Occultation Experiment (HALOE) and preliminary results, Adv. Space Res., 14, 9–13, 1994. %

Strong, K., Bailak, G., Barton, D., Bassford, M., Blatherwick, R., Brown, S., Chartrand, D., Davies, J., Drummond, J., Fogal, P., Forsberg, E., Hall, R., Jofre, A., Kaminski, J., Kosters, J., Laurin, C., Mcconnell, J., Mcelroy, C., Menzies, K., Midwinter, C., Murcray, F., Olson, R., Quine, B., Rochon, Y., Savastiouk, V., Solheim, B., Sommerfeldt, D., Ullberg, A., Werchohlad, S., and Wunch, D.: MANTRA – A balloon mission to study the odd-nitrogen budget of the stratosphere, Atmos. Ocean, 43, 283–299, 2005. %

Wiacek, A.: First Trace Gas Measurements Using Fourier Transform Infrared Solar Absorption Spectroscopy at the University of Toronto Atmospheric Observatory, Ph.D. thesis, University of Toronto, 2006.

Wiacek, A., Strong, K., Jones, N B., Taylor, J R., Mittermeier, R L., and Fast, H.: First detection of meso-thermospheric Nitric Oxide (NO) by ground-based FTIR solar absorption spectroscopy, Geophys. Res. Lett., 33, L03811, \mbox\doi10.1029/2005GL024897, 2006.

Wiacek, A., Taylor, J R., Strong, K., Saari, R., Kerzenmacher, T E., Jones, N B., and Griffith, D. W T.: Ground-based solar absorption FTIR spectroscopy: a novel optical design instrument at a new NDSC Complementary Station, characterization of retrievals and first results, J. Atmos. Ocean. Technol., in press, 2007.

Worden, J., Kulawik, S S., Shephard, M W., Clough, S A., Worden, H., Bowman, K., and Goldman, A.: Predicted errors of tropospheric emission spectrometer nadir retrievals from spectral window selection, J. Geophys. Res., 109, 9308, \mbox\doi10.1029/2004JD004522, 2004.

Wunch, D., Midwinter, C., Drummond, J R., McElroy, C T., and Bagès, A.-F.: The University of Toronto's Balloon-Borne Fourier Transform Spectrometer, Rev. Sci. Inst., 77, 093 104, doi:10.1063/1.2338289, 2006.