Search Results - "Tjemkes, S."

Meteosat Third Generation (MTG): Continuation and Innovation of Observations from Geostationary Orbit by Holmlund, K., Grandell, J., Schmetz, J., Stuhlmann, R., Bojkov, B., Munro, R., Lekouara, M., Coppens, D., Viticchie, B., August, T., Theodore, B., Watts, P., Dobber, M., Fowler, G., Bojinski, S., Schmid, A., Salonen, K., Tjemkes, S., Aminou, D., Blythe, P.

“…Within the next couple of years, the European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT) will start the deployment of its…”
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Cloud mask via cumulative discriminant analysis applied to satellite infrared observations: scientific basis and initial evaluation by Amato, U, Lavanant, L, Liuzzi, G, Masiello, G, Serio, C, Stuhlmann, R, Tjemkes, S. A

“…We introduce a classification method (cumulative discriminant analysis) of the discriminant analysis type to discriminate between cloudy and clear-sky…”
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Matching radiative transfer models and radiosonde data from the EPS/Metop Sodankylä campaign to IASI measurements by Calbet, X., Kivi, R., Tjemkes, S., Montagner, F., Stuhlmann, R.

“…Radiances observed from IASI are compared to calculated ones. Calculated radiances are obtained using several radiative transfer models (OSS, LBLRTM v11.3 and…”
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Plans for EUMETSAT’s Third Generation Meteosat geostationary satellite programme by Stuhlmann, R., Rodriguez, A., Tjemkes, S., Grandell, J., Arriaga, A., Bézy, J.-L., Aminou, D., Bensi, P.

“…The second generation of Meteosat satellites is expected to provide operational services at least until 2015. Considering the time required for the definition…”
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Monitoring deep convection and convective overshooting with METEOSAT by Schmetz, J., Tjemkes, S.A., Gube, M., van de Berg, L.

“…Simultaneous observations of deep convective clouds in the infrared window (IR: 10.5 – 12.5 μm) and the water vapour absorption band (WV: 5.7 – 7.1 μm) from…”
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The ISSWG line-by-line inter-comparison experiment by Tjemkes, S.A, Patterson, T, Rizzi, R, Shephard, M.W, Clough, S.A, Matricardi, M, Haigh, J.D, Höpfner, M, Payan, S, Trotsenko, A, Scott, N, Rayer, P, Taylor, J.P, Clerbaux, C, Strow, L.L, DeSouza-Machado, S, Tobin, D, Knuteson, R

“…To document the performance of current line-by-line radiative transfer models, a study was performed to compare the model simulations with real observations…”
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Intercalibration of the Meteosat-7 water vapor channel with SSM/T-2 by Sohn, B. J., Schmetz, J., Tjemkes, S., Koenig, M., Lutz, H., Arriaga, A., Chung, E. S.

“…A new method has been developed to intercalibrate the Meteosat‐7 water vapor (WV) channel (5.7–7.1 μm) with collocated and calibrated satellite radiances at…”
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Satellite intercalibration of IR window radiance observations by König, M, Schmetz, J, Tjemkes, S

“…The paper provides an outline of a satellite intercalibration technique applied to IR window measurements by Meteosat-6 and NOAA-14 AVHRR (channels 4 and 5)…”
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An Intercomparison of Radiation Codes for Retrieving Upper-Tropospheric Humidity in the 6.3-μm Band: A Report from the First GVaP Workshop by Soden, B., Tjemkes, S., Schmetz, J., Saunders, R., Bates, J., Ellingson, B., Engelen, R., Garand, L., Jackson, D., Jedlovec, G., Kleespies, T., Randel, D., Rayer, P., Salathe, E., Schwarzkopf, D., Scott, N., Sohn, B., de Souza-Machado, S., Strow, L., Tobin, D., Turner, D., van Delst, P., Wehr, T.

“…An intercomparison of radiation codes used in retrieving upper-tropospheric humidity (UTH) from observations in theν2 (6.3μm) water vapor absorption band was…”
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Synthetic satellite radiances using the radiance sampling method by Tjemkes, Stephen A., Schmetz, Johannes

“…A statistical method to calculate the radiance at the top of the atmosphere is described. This method solves the monochromatic radiative transfer equation at…”
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Multiview cloud-top height and wind retrieval with photogrammetric methods : Application to Meteosat-8 HRV observations by SEIZ, Gabriela, TJEMKES, Stephen, WATTS, Philip

“…The European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT) currently operates three geostationary satellites: Meteosat-5,…”
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Spin-up of the white dwarf in the intermediate polar AO PSC/H2252−035 by van Amerongen, S., Kraakman, H., Damen, E., Tjemkes, S., van Paradijs, J.

“…Walraven photometric observations made in 1983 and 1984 of the intermediate polar AO Psc/H2252−035 are used to derive new times of maximum light for its…”
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Evaluation of MUSICA IASI tropospheric water vapour profiles using theoretical error assessments and comparisons to GRUAN Vaisala RS92 measurements by Borger, Christian, Schneider, Matthias, Ertl, Benjamin, Hase, Frank, Garcia, Omaira E, Sommer, Michael, Hopfner, Michael, Tjemkes, Stephen A, Calbet, Xavier

“…Volume mixing ratio water vapour profiles have been retrieved from IASI (Infrared Atmospheric Sounding Interferometer) spectra using the MUSICA (MUlti-platform…”
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Intercalibration of the Meteosat-7 water vapor channel with SSM /T-2 by Sohn, B J, Schmetz, J, Tjemkes, S, Koenig, M, Lutz, H, Arriaga, A, Chung, E S

“…A new method has been developed to intercalibrate the Meteosat-7 water vapor (WV) channel with collocated and calibrated satellite radiances at 183.3 +/- 1 GHz…”
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An Introduction to Meteosat Second Generation (MSG) by Schmetz, J, Pili, P, Tjemkes, S, Just, D, Kerkmann, J, Rota, S, Ratier, A

“…This paper introduces the new generation of European geostationary meteorological satellites, Meteosat Second Generation (MSG), scheduled for launch in summer…”
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An intercomparison of radiation codes for retrieving upper-tropospheric humidity in the 6.3-(mu)m band: A report from the first GVaP workshop by Soden, B, Tjemkes, S, Schmetz, J, Saunders, R

“…An intercomparison of radiation codes used in retrieving upper-tropospheric humidity (UTH) from observations in the v 2 (6.3 um) water vapor absorption band…”
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A Parameterization Scheme for the Minimum Surface Temperature of a Saturated Vegetated Clay Soil by Tjemkes, S. A., Reiff, J.

“…Based on model calculations with a combined radiation–turbulence model, a simple relation to estimate the minimum surface temperature of a saturated vegetated…”
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The Nocturnal Boundary Layer: Model Calculations Compared with Observations by Tjemkes, Stephen A., Duynkerke, Peter G.

“…The structure and evolution of the nocturnal boundary layer (NBL) is simulated using a model which includes the transfer of energy by radiation and turbulence…”
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An Intercomparison of Radiation Codes for Retrieving Upper–Tropospheric Humidity in the 6.3– m m Band: A Report from the First GVaP Workshop by Soden, B., Tjemkes, S., Schmetz, J., Saunders, R., Bates, J., Ellingson, B., Engelen, R., Garand, L., Jackson, D., Jedlovec, G., Kleespies, T., Randel, D., Rayer, P., Salathe, E., Schwarzkopf, D., Scott, N., Sohn, B., de Souza-Machado, S., Strow, L., Tobin, D., Turner, D., van Delst, P., Wehr, T.

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Calibration of Meteosat water vapor channel observations with independent satellite observations by Tjemkes, Stephen A., König, Marianne, Lutz, Hans‐Joachim, Berg, Leo, Schmetz, Johannes

“…The objective of this study is to identify potential problems of and increase confidence in the operational calibration of the water vapor channel of the…”
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