Search Results - "Emde, C"

The impact of aerosols on polarized sky radiance: model development, validation, and applications by Emde, C., Buras, R., Mayer, B., Blumthaler, M.

“…Although solar radiation initially is unpolarized when entering the Earth's atmosphere, it is polarized by scattering processes with molecules, water droplets,…”
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ARTS, the atmospheric radiative transfer simulator, version 2 by Eriksson, P., Buehler, S.A., Davis, C.P., Emde, C., Lemke, O.

“…The second version of the atmospheric radiative transfer simulator, ARTS, is introduced. This is a general software package for long wavelength radiative…”
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Simulation of solar radiation during a total eclipse: a challenge for radiative transfer by Emde, C., Mayer, B.

“…A solar eclipse is a rare but spectacular natural phenomenon and furthermore it is a challenge for radiative transfer modelling. Whereas a simple…”
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Representative wavelengths absorption parameterization applied to satellite channels and spectral bands by Gasteiger, J., Emde, C., Mayer, B., Buras, R., Buehler, S.A., Lemke, O.

“…Accurate modeling of wavelength-integrated radiative quantities, e.g. integrated over a spectral band or an instrument channel response function, requires…”
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Numerical results for polarized light scattering in a spherical atmosphere by Korkin, S., Yang, E.-S., Spurr, R., Emde, C., Zhai, P., Krotkov, N., Vasilkov, A., Lyapustin, A.

“…•We report numerical results for light reflection from the top of a Rayleigh scattering spherical atmosphere over a dark surface.•We account for polarization…”
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Multiangle photopolarimetric aerosol retrievals in the vicinity of clouds: Synthetic study based on a large eddy simulation by Stap, F. A., Hasekamp, O. P., Emde, C., Röckmann, T.

“…We investigate the effect of cloud contamination and 3‐D radiative transfer effects on aerosol retrievals from multiangle photopolarimetric measurements in the…”
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Atmospheric extinction in solar tower plants: absorption and broadband correction for MOR measurements by Hanrieder, N, Wilbert, S, Pitz-Paal, R, Emde, C, Gasteiger, J, Mayer, B, Polo, J

“…Losses of reflected Direct Normal Irradiance due to atmospheric extinction in concentrated solar tower plants can vary significantly with site and time. The…”
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Greenhouse gas profiling by infrared-laser and microwave occultation in cloudy air: Results from end-to-end simulations by Proschek, V., Kirchengast, G., Emde, C., Schweitzer, S.

“…The new mission concept of microwave and infrared‐laser occultation between Low Earth Orbit satellites (LMIO) is capable to provide accurate, consistent, and…”
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The inter-comparison of major satellite aerosol retrieval algorithms using simulated intensity and polarization characteristics of reflected light by Kokhanovsky, A. A., Deuzé, J. L., Diner, D. J., Dubovik, O., Ducos, F., Emde, C., Garay, M. J., Grainger, R. G., Heckel, A., Herman, M., Katsev, I. L., Keller, J., Levy, R., North, P. R. J., Prikhach, A. S., Rozanov, V. V., Sayer, A. M., Ota, Y., Tanré, D., Thomas, G. E., Zege, E. P.

“…Remote sensing of aerosol from space is a challenging and typically underdetermined retrieval task, requiring many assumptions to be made with respect to the…”
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A model sensitivity study of the impact of clouds on satellite detection and retrieval of volcanic ash by Kylling, A, Kristiansen, N, Stohl, A, Buras-Schnell, R, Emde, C, Gasteiger, J

“…Volcanic ash is commonly observed by infrared detectors on board Earth-orbiting satellites. In the presence of ice and/or liquid-water clouds, the detected…”
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A concept for a satellite mission to measure cloud ice water path, ice particle size, and cloud altitude by Buehler, S. A., Jiménez, C., Evans, K. F., Eriksson, P., Rydberg, B., Heymsfield, A. J., Stubenrauch, C. J., Lohmann, U., Emde, C., John, V. O., Sreerekha, T. R., Davis, C. P.

“…A passive satellite radiometer operating at submillimetre wavelengths can measure cloud ice water path (IWP), ice particle size, and cloud altitude. The paper…”
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Measuring the influence of aerosols and albedo on sky polarization by Kreuter, A., Emde, C., Blumthaler, M.

“…All-sky distributions of the polarized radiance are measured using an automated fish-eye camera system with a rotating polarizer. For a large range of aerosol…”
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Influence of ice crystal shape on retrieval of cirrus optical thickness and effective radius: A case study by Eichler, H., Ehrlich, A., Wendisch, M., Mioche, G., Gayet, J.-F., Wirth, M., Emde, C., Minikin, A.

“…Airborne measurements of spectral upwelling radiances (350–2200 nm) reflected by cirrus using the Spectral Modular Airborne Radiation measurement sysTem…”
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A 3-D polarized reversed Monte Carlo radiative transfer model for Millimeter and submillimeter passive remote sensing in cloudy atmospheres by Davis, C., Emde, C., Harwood, R.

“…This paper introduces a three-dimensional (3-D) polarized radiative transfer model that has been developed to assess the influence of cirrus clouds on…”
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ClOOCl photolysis at high solar zenith angles: analysis of the RECONCILE self-match flight by Sumińska-Ebersoldt, O, Lehmann, R, Wegner, T, Grooß, J.-U, Hösen, E, Weigel, R, Frey, W, Griessbach, S, Mitev, V, Emde, C, Volk, C. M, Borrmann, S, Rex, M, Stroh, F, von Hobe, M

“…The photolysis rate constant of dichlorine peroxide (ClOOCl, ClO dimer) JClOOCl is a critical parameter in catalytic cycles destroying ozone (O3) in the polar…”
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A polarized discrete ordinate scattering model for simulations of limb and nadir long-wave measurements in 1-D/3-D spherical atmospheres by Emde, C., Buehler, S. A., Davis, C., Eriksson, P., Sreerekha, T. R., Teichmann, C.

“…This article describes one of the scattering algorithms of the three‐dimensional polarized radiative transfer model ARTS (Atmospheric Radiative Transfer…”
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Simulation of SEVIRI infrared channels: a case study from the Eyjafjallajökull April/May 2010 eruption by Kylling, A., Buras, R., Eckhardt, S., Emde, C., Mayer, B., Stohl, A.

“…Infrared satellite images are widely and successfully used to detect and follow atmospheric ash from erupting volcanoes. We describe a new radiative transfer…”
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Attenuation of global ultraviolet and visible irradiance over Greece during the total solar eclipse of 29 March 2006 by Kazantzidis, A., Bais, A. F., Emde, C., Kazadzis, S., Zerefos, C. S.

“…The variability of ultraviolet and photosynthetically active radiation (PAR) during the total solar eclipse of 29 March 2006 was examined in this study. The…”
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Intercomparison of general purpose clear sky atmospheric radiative transfer models for the millimeter/submillimeter spectral range by Melsheimer, C., Verdes, C., Buehler, S. A., Emde, C., Eriksson, P., Feist, D. G., Ichizawa, S., John, V. O., Kasai, Y., Kopp, G., Koulev, N., Kuhn, T., Lemke, O., Ochiai, S., Schreier, F., Sreerekha, T. R., Suzuki, M., Takahashi, C., Tsujimaru, S., Urban, J.

“…We compare a number of radiative transfer models for atmospheric sounding in the millimeter and submillimeter wavelength range, check their consistency, and…”
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Microwave radiative transfer intercomparison study for 3-D dichroic media by Battaglia, A., Davis, C.P., Emde, C., Simmer, C.

“…Three different numerical methods capable of solving the radiative transfer of microwave radiation within 3-D dichroic media are compared. A case study,…”
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