Search Results - "Orphal, J"

Experimental observation of the ν1+3ν3 combination bands of 16O14N18O and 18O14N18O in the near infrared spectral region by Chandran, S., Orphal, J., Ruth, A.A.

“…The first observation of the ν1+3ν3 combination band of the nitrogen dioxide isotopologue 16O14N18O is presented. The band was measured using Fourier-Transform…”
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Application of portable FTIR spectrometers for detecting greenhouse gas emissions of the major city Berlin by Hase, F, Frey, M, Blumenstock, T, Groß, J, Kiel, M, Kohlhepp, R, Mengistu Tsidu, G, Schäfer, K, Sha, M. K, Orphal, J

“…Five portable Bruker EM27/SUN FTIR (Fourier transform infrared) spectrometers have been used for the accurate and precise observation of column-averaged…”
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Calibration and instrumental line shape characterization of a set of portable FTIR spectrometers for detecting greenhouse gas emissions by Frey, M, Hase, F, Blumenstock, T, Groß, J, Kiel, M, Mengistu Tsidu, G, Schäfer, K, Sha, M. K, Orphal, J

“…A comprehensive calibration procedure for mobile, low-resolution, solar-absorption FTIR spectrometers, used for greenhouse gases observations, is developed…”
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Satellite observation of lowermost tropospheric ozone by multispectral synergism of IASI thermal infrared and GOME-2 ultraviolet measurements over Europe by Cuesta, J, Eremenko, M, Liu, X, Dufour, G, Cai, Z, Höpfner, M, von Clarmann, T, Sellitto, P, Foret, G, Gaubert, B, Beekmann, M, Orphal, J, Chance, K, Spurr, R, Flaud, J.-M

“…We present a new multispectral approach for observing lowermost tropospheric ozone from space by synergism of atmospheric radiances in the thermal infrared…”
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IASI observations of seasonal and day-to-day variations of tropospheric ozone over three highly populated areas of China: Beijing, Shanghai, and Hong Kong by Dufour, G., Eremenko, M., Orphal, J., Flaud, J.-M.

“…IASI observations of tropospheric ozone over the Beijing, Shanghai and Hong Kong areas during one year (2008) have been analysed, demonstrating the capability…”
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Gimballed Limb Observer for Radiance Imaging of the Atmosphere (GLORIA) scientific objectives by Riese, M, Oelhaf, H, Preusse, P, Blank, J, Ern, M, Friedl-Vallon, F, Fischer, H, Guggenmoser, T, Höpfner, M, Hoor, P, Kaufmann, M, Orphal, J, Plöger, F, Spang, R, Suminska-Ebersoldt, O, Ungermann, J, Vogel, B, Woiwode, W

“…The upper troposphere/lower stratosphere (UTLS) represents an important part of the climate system. Even small changes in the composition and dynamic structure…”
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Global HCFC-22 measurements with MIPAS: retrieval, validation, global distribution and its evolution over 2005–2012 by Chirkov, M., Stiller, G. P., Laeng, A., Kellmann, S., von Clarmann, T., Boone, C. D., Elkins, J. W., Engel, A., Glatthor, N., Grabowski, U., Harth, C. M., Kiefer, M., Kolonjari, F., Krummel, P. B., Linden, A., Lunder, C. R., Miller, B. R., Montzka, S. A., Mühle, J., O'Doherty, S., Orphal, J., Prinn, R. G., Toon, G., Vollmer, M. K., Walker, K. A., Weiss, R. F., Wiegele, A., Young, D.

“…We report on HCFC-22 data acquired by the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) in the reduced spectral resolution nominal…”
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Tropospheric ozone distributions over Europe during the heat wave in July 2007 observed from infrared nadir spectra recorded by IASI by Eremenko, M., Dufour, G., Foret, G., Keim, C., Orphal, J., Beekmann, M., Bergametti, G., Flaud, J.-M.

“…First partial tropospheric ozone columns (0–6 km) derived from radiances observed by the IASI instrument aboard the MetOp‐A platform over Europe during summer…”
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The temperature and pressure dependence of the absorption cross-sections of NO2 in the 250-800 nm region measured by Fourier-transform spectroscopy by VOIGT, S, ORPHAL, J, BURROWS, J. P

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Measurements of molecular absorption spectra with the SCIAMACHY pre-flight model: instrument characterization and reference data for atmospheric remote-sensing in the 230–2380 nm region by Bogumil, K, Orphal, J, Homann, T, Voigt, S, Spietz, P, Fleischmann, O.C, Vogel, A, Hartmann, M, Kromminga, H, Bovensmann, H, Frerick, J, Burrows, J.P

“…Using the scanning imaging absorption spectrometer for atmospheric chartography (SCIAMACHY) pre-flight model satellite spectrometer, gas-phase absorption…”
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Sulfur dioxide (SO 2 ) as observed by MIPAS/Envisat: temporal development and spatial distribution at 15–45 km altitude by Höpfner, M, Glatthor, N, Grabowski, U, Kellmann, S, Kiefer, M, Linden, A, Orphal, J, Stiller, G, von Clarmann, T, Funke, B, Boone, C. D

“…We present a climatology of monthly and 10° zonal mean profiles of sulfur dioxide (SO2) volume mixing ratios (vmr) derived from MIPAS/Envisat measurements in…”
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Ozone spectroscopy in the electronic ground state: High-resolution spectra analyses and update of line parameters since 2003 by Barbe, A., Mikhailenko, S., Starikova, E., De Backer, M.-R., Tyuterev, Vl.G., Mondelain, D., Kassi, S., Campargue, A., Janssen, C., Tashkun, S., Kochanov, R., Gamache, R., Orphal, J.

“…The state of the art analyses of high-resolution ozone spectra and a critical discussion of line parameters updated since the previous review by Rinsland et…”
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Technical Note: Trend estimation from irregularly sampled, correlated data by von Clarmann, T., Stiller, G., Grabowski, U., Eckert, E., Orphal, J.

“…Estimation of a trend of an atmospheric state variable is usually performed by fitting a linear regression line to a set of data of this variable sampled at…”
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The time dependence of molecular iodine emission from Laminaria digitata by Dixneuf, S., Ruth, A. A., Vaughan, S., Varma, R. M., Orphal, J.

“…We present the first in situ detection of molecular iodine emitted from the brown macroalga Laminaria digitata under natural stress conditions. We show that…”
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Diurnal variations of reactive chlorine and nitrogen oxides observed by MIPAS-B inside the January 2010 Arctic vortex by Wetzel, G, Oelhaf, H, Kirner, O, Friedl-Vallon, F, Ruhnke, R, Ebersoldt, A, Kleinert, A, Maucher, G, Nordmeyer, H, Orphal, J

“…The winter 2009/2010 was characterized by a strong Arctic vortex with extremely cold mid-winter temperatures in the lower stratosphere associated with an…”
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Global CFC-11 (CCl 3 F) and CFC-12 (CCl 2 F 2 ) measurements with the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS): retrieval, climatologies and trends by Kellmann, S., von Clarmann, T., Stiller, G. P., Eckert, E., Glatthor, N., Höpfner, M., Kiefer, M., Orphal, J., Funke, B., Grabowski, U., Linden, A., Dutton, G. S., Elkins, J. W.

“…Vertical profiles of CFC-11 (CCl3F) and CFC-12 (CCl2F2) have been measured with the Michelson Interferometer for Passive Atmospheric Sounding (MIPAS) with…”
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Partitioning and budget of inorganic and organic chlorine species observed by MIPAS-B and TELIS in the Arctic in March 2011 by Wetzel, G, Oelhaf, H, Birk, M, de Lange, A, Engel, A, Friedl-Vallon, F, Kirner, O, Kleinert, A, Maucher, G, Nordmeyer, H, Orphal, J, Ruhnke, R, Sinnhuber, B.-M, Vogt, P

“…The Arctic winter 2010/2011 was characterized by a persistent vortex with extremely low temperatures in the lower stratosphere above northern Scandinavia…”
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The temperature dependence (203-293 K) of the absorption cross sections of O3 in the 230-850 nm region measured by Fourier-transform spectroscopy by VOIGT, S, ORPHAL, J, BOGUMIL, K, BURROWS, J. P

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Denitrification by large NAT particles: the impact of reduced settling velocities and hints on particle characteristics by Woiwode, W, Grooß, J.-U, Oelhaf, H, Molleker, S, Borrmann, S, Ebersoldt, A, Frey, W, Gulde, T, Khaykin, S, Maucher, G, Piesch, C, Orphal, J

“…Vertical redistribution of HNO3 through large HNO3-containing particles associated with polar stratospheric clouds (PSCs) plays an important role in the…”
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Geostationary Emission Explorer for Europe (G3E): mission concept and initial performance assessment by Butz, A., Orphal, J., Checa-Garcia, R., Friedl-Vallon, F., von Clarmann, T., Bovensmann, H., Hasekamp, O., Landgraf, J., Knigge, T., Weise, D., Sqalli-Houssini, O., Kemper, D.

“…The Geostationary Emission Explorer for Europe (G3E) is a concept for a geostationary satellite sounder that aims to constrain the sources and sinks of…”
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