Search Results - "Meerkötter, R."

Regional radiative forcing by line-shaped contrails derived from satellite data by Meyer, R., Mannstein, H., Meerkötter, R., Schumann, U., Wendling, P.

“…The influence of contrails on the radiation budget depends mainly on their coverage and optical depth. This study derives these parameters from data of the…”
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Diurnal evolution of cloud base heights in convective cloud fields from MSG/SEVIRI data by Meerkötter, R., Bugliaro, L.

“…This study shows that it is possible to retrieve the temporal evolution of cloud base heights in convective broken cloud fields from data of the SEVIRI…”
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Radiative forcing by contrails by MEERKÖTTER, R, SCHUMANN, U, DOELLING, D. R, MINNIS, P, NAKAJIMA, T, TSUSHIMA, Y

“…A parametric study of the instantaneous radiative impact of contrails is presented using three different radiative transfer models for a series of model…”
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Potential and limitations of space-based methods for the retrieval of surface UV-B daily doses: A numerical study by Bugliaro, L., Mayer, B., Meerkötter, R., Verdebout, J.

“…For a typical space‐borne algorithm for the estimation of surface UV‐B daily doses, the implications of a limited temporal sampling of cloud properties and of…”
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Case study on the influence of inhomogeneous surface albedo on UV irradiance by Degünther, M., Meerkötter, R., Albold, A., Seckmeyer, G.

“…The influence of inhomogeneous surface albedo on UV irradiance is investigated for cloud free conditions using a recently developed 3‐dimensional radiative…”
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Effect of remote clouds on surface UV irradiance by Degunther, M, Meerkotter, R

“…Clouds affect local surface UV irradiance, even if the horizontal distance from the radiation observation site amounts to several kilometers. In order to…”
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Some effects of ultraviolet radiation and climate on the reproduction of Calanus finmarchicus (Copepoda) and year class formation in Arcto-Norwegian cod (Gadus morhua) by Skreslet, Stig, Borja, Angel, Bugliaro, Luca, Hansen, Georg, Meerkötter, Ralf, Olsen, Ketil, Verdebout, Jean

“…Zooplankton sampling in 1997 identified the frontal zone of the Norwegian Coastal Current as a reproduction habitat for Calanus finmarchicus in June–August…”
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How well can brightness temperature differences of spaceborne imagers help to detect cloud phase? A sensitivity analysis regarding cloud phase and related cloud properties by Mayer, Johanna, Mayer, Bernhard, Bugliaro, Luca, Meerkötter, Ralf, Voigt, Christiane

“…This study investigates the sensitivity of two brightness temperature differences (BTDs) in the infrared (IR) window of the Spinning Enhanced Visible and…”
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Investigating the radiative effect of Arctic cirrus measured in situ during the winter 2015–2016 by Marsing, Andreas, Meerkötter, Ralf, Heller, Romy, Kaufmann, Stefan, Jurkat-Witschas, Tina, Krämer, Martina, Rolf, Christian, Voigt, Christiane

“…The radiative energy budget in the Arctic undergoes a rapid transformation compared with global mean changes. Understanding the role of cirrus clouds in this…”
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Pollution slightly enhances atmospheric cooling by low-level clouds in tropical West Africa by Hahn, Valerian, Meerkötter, Ralf, Voigt, Christiane, Gisinger, Sonja, Sauer, Daniel, Catoire, Valéry, Dreiling, Volker, Coe, Hugh, Flamant, Cyrille, Kaufmann, Stefan, Kleine, Jonas, Knippertz, Peter, Moser, Manuel, Rosenberg, Philip, Schlager, Hans, Schwarzenboeck, Alfons, Taylor, Jonathan

“…Reflection of solar radiation by tropical low-level clouds has an important cooling effect on climate and leads to decreases in surface temperatures. Still,…”
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Regional radiative forcing by line-shaped contrails derived from satellite data by MEYER, R, MANNSTEIN, H, MEERKÖTTER, R, SCHUMANN, U, WENDLING, P

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A 14-year European Cloud Climatology from NOAA/AVHRR data in comparison to surface observations by Ralf Meerkötter, Christine König, Peter Bissolli, Gerhard Gesell, Hermann Mannstein

“…A 14‐year (1990–2003) high resolution European Cloud Climatology has been generated by use of NOAA/AVHRR data. For selected areas we present spatially averaged…”
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A Radiative Transfer Case Study for 3-d cloud effects in the UV by Meerkötter, Ralf, Degünther, Markus

“…Satellite UV mapping is usually based on the independent pixel approximation (IPA) which neglects horizontal photon transport between adjacent columns…”
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Influence of inhomogeneous surface albedo on UV irradiance: Effect of a stratus cloud by Deguenther, Markus, Meerkoetter, Ralf

“…The influence of inhomogeneous surface albedo on UV irradiance is investigated assuming the sky to be overcast by a horizontally homogeneous stratus cloud…”
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An evaluation of cloud affected UV radiation from polar orbiting and geostationary satellites at high latitudes by Meerkötter, Ralf, Verdebout, Jean, Bugliaro, Luca, Edvardsen, Kare, Hansen, Georg

“…For the first time two satellite‐derived decadal scale climatologies of UV daily doses that are based on independently developed methods have been…”
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