Search Results - "Bugliaro, L."

Aviation Contrail Cirrus and Radiative Forcing Over Europe During 6 Months of COVID‐19 by Schumann, U., Bugliaro, L., Dörnbrack, A., Baumann, R., Voigt, C.

“…The COVID‐19 pandemic led to a 72% reduction of air traffic over Europe in March–August 2020 compared to 2019. Modeled contrail cover declined similarly, and…”
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Retrieval of cirrus cloud optical thickness and top altitude from geostationary remote sensing by Kox, S, Bugliaro, L, Ostler, A

“…A novel approach for the detection of cirrus clouds and the retrieval of optical thickness and top altitude based on the measurements of the Spinning Enhanced…”
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Remote sensing of cloud top pressure/height from SEVIRI: analysis of ten current retrieval algorithms by Hamann, U, Walther, A, Baum, B, Bennartz, R, Bugliaro, L, Derrien, M, Francis, P. N, Heidinger, A, Joro, S, Kniffka, A, Le Gléau, H, Lockhoff, M, Lutz, H.-J, Meirink, J. F, Minnis, P, Palikonda, R, Roebeling, R, Thoss, A, Platnick, S, Watts, P, Wind, G

“…The role of clouds remains the largest uncertainty in climate projections. They influence solar and thermal radiative transfer and the earth's water cycle…”
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Validation of cloud property retrievals with simulated satellite radiances: a case study for SEVIRI by Bugliaro, L., Zinner, T., Keil, C., Mayer, B., Hollmann, R., Reuter, M., Thomas, W.

“…Validation of cloud properties retrieved from passive spaceborne imagers is essential for cloud and climate applications but complicated due to the large…”
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Determination of circumsolar radiation from Meteosat Second Generation by Reinhardt, B, Buras, R, Bugliaro, L, Wilbert, S, Mayer, B

“…Reliable data on circumsolar radiation, which is caused by scattering of sunlight by cloud or aerosol particles, is becoming more and more important for the…”
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On the observation of unusual high concentration of small chain-like aggregate ice crystals and large ice water contents near the top of a deep convective cloud during the CIRCLE-2 experiment by Gayet, J.-F, Mioche, G, Bugliaro, L, Protat, A, Minikin, A, Wirth, M, Dörnbrack, A, Shcherbakov, V, Mayer, B, Garnier, A, Gourbeyre, C

“…During the CIRCLE-2 experiment carried out over Western Europe in May 2007, combined in situ and remote sensing observations allowed to describe microphysical…”
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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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Technical note: A new day- and night-time Meteosat Second Generation Cirrus Detection Algorithm MeCiDA by Krebs, W., Mannstein, H., Bugliaro, L., Mayer, B.

“…A new cirrus detection algorithm for the Spinning Enhanced Visible and Infra-Red Imager (SEVIRI) aboard the geostationary Meteosat Second Generation (MSG),…”
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An improved cirrus detection algorithm MeCiDA2 for SEVIRI and its evaluation with MODIS by Ewald, F, Bugliaro, L, Mannstein, H, Mayer, B

“…In this study, a substantially improved version of the Meteosat cirrus detection algorithm (MeCiDA2) will be presented, which now allows application to the…”
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Microphysical properties and high ice water content in continental and oceanic mesoscale convective systems and potential implications for commercial aircraft at flight altitude by Gayet, J.-F, Shcherbakov, V, Bugliaro, L, Protat, A, Delanoë, J, Pelon, J, Garnier, A

“…Two complementary case studies are conducted to analyse convective system properties in the region where strong cloud-top lidar backscatter anomalies are…”
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Ground-based observations for the validation of contrails and cirrus detection in satellite imagery by Mannstein, H., Brömser, A., Bugliaro, L.

“…Contrails and additional cirrus clouds caused by air traffic have a potential warming effect due to their optical properties and their location in the upper…”
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Impact of ship emissions on the microphysical, optical and radiative properties of marine stratus: a case study by Schreier, M., Kokhanovsky, A. A., Eyring, V., Bugliaro, L., Mannstein, H., Mayer, B., Bovensmann, H., Burrows, J. P.

“…Modifications of existing clouds by the exhaust of ships are well-known but inadequately quantified impacts, which could contribute to climate change. The…”
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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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Technical note: Retrieval of the supercooled liquid fraction in mixed-phase clouds from Himawari-8 observations by Wang, Ziming, Letu, Husi, Shang, Huazhe, Bugliaro, Luca

“…The supercooled liquid fraction (SLF) in mixed-phase clouds (MPCs) is an essential variable of cloud microphysical processes and climate sensitivity. However,…”
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Determination of complex refractive indices and optical properties of volcanic ashes in the thermal infrared based on generic petrological compositions by Piontek, D., Hornby, A.J., Voigt, C., Bugliaro, L., Gasteiger, J.

“…The spaceborne detection of volcanic ash clouds at infrared wavelengths helps to avoid regions with enhanced volcanic ash concentrations that pose a threat to…”
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The libRadtran software package for radiative transfer calculations (version 2.0.1) by Emde, Claudia, Buras-Schnell, Robert, Kylling, Arve, Mayer, Bernhard, Gasteiger, Josef, Hamann, Ulrich, Kylling, Jonas, Richter, Bettina, Pause, Christian, Dowling, Timothy, Bugliaro, Luca

“…libRadtran is a widely used software package for radiative transfer calculations. It allows one to compute (polarized) radiances, irradiance, and actinic…”
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Bayesian cloud-top phase determination for Meteosat Second Generation by Mayer, Johanna, Bugliaro, Luca, Mayer, Bernhard, Piontek, Dennis, Voigt, Christiane

“…A comprehensive understanding of the cloud thermodynamic phase is crucial for assessing the cloud radiative effect and is a prerequisite for remote sensing…”
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Air traffic and contrail changes over Europe during COVID-19: a model study by Schumann, Ulrich, Poll, Ian, Teoh, Roger, Koelle, Rainer, Spinielli, Enrico, Molloy, Jarlath, Koudis, George S, Baumann, Robert, Bugliaro, Luca, Stettler, Marc, Voigt, Christiane

“…The strong reduction of air traffic during the COVID-19 pandemic provides a unique test case for the relationship between air traffic density, contrails, and…”
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Cirrus cloud retrieval with MSG/SEVIRI using artificial neural networks by Strandgren, Johan, Bugliaro, Luca, Sehnke, Frank, Schröder, Leon

“…Cirrus clouds play an important role in climate as they tend to warm the Earth–atmosphere system. Nevertheless their physical properties remain one of the…”
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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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