Search Results - "Kampfer, N."

Comparison of co-located independent ground-based middle atmospheric wind and temperature measurements with numerical weather prediction models by Le Pichon, A., Assink, J. D., Heinrich, P., Blanc, E., Charlton-Perez, A., Lee, C. F., Keckhut, P., Hauchecorne, A., Rüfenacht, R., Kämpfer, N., Drob, D. P., Smets, P. S. M., Evers, L. G., Ceranna, L., Pilger, C., Ross, O., Claud, C.

“…High‐resolution, ground‐based and independent observations including co‐located wind radiometer, lidar stations, and infrasound instruments are used to…”
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Effective atmospheric boundary layer temperature from longwave radiation measurements by GRÖBNER, J, WACKER, S, VUILLEUMIER, L, KÄMPFER, N

“…The atmospheric boundary layer (ABL) temperature is derived from concurrent measurements of two pyrgeometers, one standard pyrgeometer sensitive to the 3–50 μm…”
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Toward an Improved Representation of Middle Atmospheric Dynamics Thanks to the ARISE Project by Blanc, E., Ceranna, L., Hauchecorne, A., Charlton-Perez, A., Marchetti, E., Evers, L. G., Kvaerna, T., Lastovicka, J., Eliasson, L., Crosby, N. B., Blanc-Benon, P., Le Pichon, A., Brachet, N., Pilger, C., Keckhut, P., Assink, J. D., Smets, P. S. M., Lee, C. F., Kero, J., Sindelarova, T., Kämpfer, N., Rüfenacht, R., Farges, T., Millet, C., Näsholm, S. P., Gibbons, S. J., Espy, P. J., Hibbins, R. E., Heinrich, P., Ripepe, M., Khaykin, S., Mze, N., Chum, J.

“…This paper reviews recent progress toward understanding the dynamics of the middle atmosphere in the framework of the Atmospheric Dynamics Research…”
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The Fully Polarimetric Imaging Radiometer SPIRA at 91 GHz by Duric, A., Magun, A., Murk, A., Matzler, C., Kampfer, N.

“…The Scanning Polarimetric Imaging Radiometer (SPIRA) is a versatile fully polarimetric imager operating at 91 GHz. It is designed for measurements of…”
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Measurements of Humidity in the Atmosphere and Validation Experiments (MOHAVE)-2009: overview of campaign operations and results by Leblanc, T., Walsh, T. D., McDermid, I. S., Toon, G. C., Blavier, J.-F., Haines, B., Read, W. G., Herman, B., Fetzer, E., Sander, S., Pongetti, T., Whiteman, D. N., McGee, T. G., Twigg, L., Sumnicht, G., Venable, D., Calhoun, M., Dirisu, A., Hurst, D., Jordan, A., Hall, E., Miloshevich, L., Vömel, H., Straub, C., Kampfer, N., Nedoluha, G. E., Gomez, R. M., Holub, K., Gutman, S., Braun, J., Vanhove, T., Stiller, G., Hauchecorne, A.

“…The Measurements of Humidity in the Atmosphere and Validation Experiment (MOHAVE) 2009 campaign took place on 11–27 October 2009 at the JPL Table Mountain…”
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Intercomparison of Digital Fast Fourier Transform and Acoustooptical Spectrometers for Microwave Radiometry of the Atmosphere by Muller, S.C., Murk, A., Monstein, C., Kampfer, N.

“…The Institute of Applied Physics (IAP) of the University of Bern is active in the field of remote sensing of middle atmospheric trace gases such as ozone and…”
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A new 22-GHz radiometer for middle atmospheric water vapor profile measurements by Deuber, B., Kampfer, N., Feist, D.G.

“…We report on the Middle Atmospheric Water Vapor Radiometer (MIAWARA) instrument, a new ground-based 22-GHz-radiometer that provides water vapor profiles with…”
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Daily ozone cycle in the stratosphere: global, regional and seasonal behaviour modelled with the Whole Atmosphere Community Climate Model by Schanz, A, Hocke, K, Kämpfer, N

“…The Whole Atmosphere Community Climate Model (WACCM) is utilised to study the daily ozone cycle and underlying photochemical and dynamical processes. The…”
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An airborne radiometer for stratospheric water vapor measurements at 183 GHz by Vasic, V., Feist, D.G., Muller, S., Kampfer, N.

“…The Airborne Millimeter- and Submillimeter Observing System (AMSOS) is a total-power radiometer for observations of the 183.3-GHz water vapor rotational line,…”
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Signatures of the 2-day wave and sudden stratospheric warmings in Arctic water vapour observed by ground-based microwave radiometry by Tschanz, B, Kämpfer, N

“…The ground-based microwave radiometer MIAWARA-C recorded the upper stratospheric and lower mesospheric water vapour distribution continuously from June 2011 to…”
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First measurements of tides in the stratosphere and lower mesosphere by ground-based Doppler microwave wind radiometry by Hagen, Jonas, Hocke, Klemens, Stober, Gunter, Pfreundschuh, Simon, Murk, Axel, Kämpfer, Niklaus

“…Atmospheric tides are important for vertical coupling in the atmosphere, from the stratosphere down to the troposphere and up to the thermosphere. They are…”
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Trends of atmospheric water vapour in Switzerland from ground-based radiometry, FTIR and GNSS data by Bernet, Leonie, Brockmann, Elmar, von Clarmann, Thomas, Kämpfer, Niklaus, Mahieu, Emmanuel, Mätzler, Christian, Stober, Gunter, Hocke, Klemens

“…Vertically integrated water vapour (IWV) is expected to increase globally in a warming climate. To determine whether IWV increases as expected on a regional…”
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Trend analysis of the 20-year time series of stratospheric ozone profiles observed by the GROMOS microwave radiometer at Bern by Moreira, L, Hocke, K, Eckert, E, von Clarmann, T, Kämpfer, N

“…The ozone radiometer GROMOS (GROund-based Millimeter-wave Ozone Spectrometer) has been performing continuous observations of stratospheric ozone profiles since…”
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A climatology of the diurnal variations in stratospheric and mesospheric ozone over Bern, Switzerland by Studer, S, Hocke, K, Schanz, A, Schmidt, H, Kämpfer, N

“…The ground-based radiometer GROMOS, stationed in Bern (47.95° N, 7.44° E), Switzerland, has a unique data set: it obtains ozone profiles from November 1994 to…”
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Ozone depletion, water vapor increase, and PSC generation at midlatitudes by the 2008 major stratospheric warming by Flury, T., Hocke, K., Haefele, A., Kämpfer, N., Lehmann, R.

“…The ground‐based microwave radiometers GROMOS and MIAWARA at Bern (Switzerland) continuously measure ozone and water vapor profiles from 20 to 70 km altitude…”
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Gap filling and noise reduction of unevenly sampled data by means of the Lomb-Scargle periodogram by Hocke, K., Kämpfer, N.

“…The Lomb-Scargle periodogram is widely used for the estimation of the power spectral density of unevenly sampled data. A small extension of the algorithm of…”
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First middle-atmospheric zonal wind profile measurements with a new ground-based microwave Doppler-spectro-radiometer by Rüfenacht, R, Kämpfer, N, Murk, A

“…We report on the wind radiometer WIRA, a new ground-based microwave Doppler-spectro-radiometer specifically designed for the measurement of middle-atmospheric…”
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GROMOS-C, a novel ground-based microwave radiometer for ozone measurement campaigns by Fernandez, S, Murk, A, Kämpfer, N

“…Stratospheric ozone is of major interest as it absorbs most harmful UV radiation from the sun, allowing life on Earth. Ground-based microwave remote sensing is…”
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Effects of Resonances in Corrugated Horn Antennas for a 22-GHz Balancing Radiometer by DeWachter, E., Murk, A., Straub, C., Haefele, A., Soohyun Ka, Jung Jin Oh, Kampfer, N.

“…The Stratospheric WAter vapor RAdiometer (SWARA) is a microwave radiometer designed for ground-based measurements of water vapor (H 2 O) in the middle…”
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The quasi 16-day wave in mesospheric water vapor during boreal winter 2011/2012 by Scheiben, D, Tschanz, B, Hocke, K, Kämpfer, N, Ka, S, Oh, J. J

“…This study investigates the characteristics of the quasi 16-day wave in the mesosphere during boreal winter 2011/2012 using observations of water vapor from…”
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