Výsledky vyhledávání

Assessment of Cloud Retrieval for IASI 1D-Var Cloudy-Sky Assimilation and Improvement with an ANN Approach

Autor: Byung-Ju Sohn, Yoonjae Kim, Young-Chan Noh, Ed Pavelin, Hyun-Suk Kang, Roger Saunders, Ahreum Lee

Publikováno v: Weather and Forecasting. 35:1363-1380

The Unified Model (UM) data assimilation system incorporates a 1D-Var analysis of cloud variables for assimilating hyperspectral infrared radiances. For the Infrared Atmospheric Sounding Interferometer (IASI) radiance assimilation, a first guess of c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5b9c92cc12ddf02417095ab0af0cb9bd
https://doi.org/10.1175/waf-d-19-0218.1

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Assimilation of satellite infrared sounding measurements in the presence of heterogeneous cloud fields

Autor: Stephen English, Ed Pavelin, Stefano Migliorini, Cristina Prates

Publikováno v: Quarterly Journal of the Royal Meteorological Society. 140:2062-2077

In this article, a possible way to improve one of the techniques currently used by the numerical weather prediction (NWP) community to assimilate observations from hyperspectral infrared sounders (e.g. the Infrared Atmospheric Sounding Interferometer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::85dfa3da59bcc036a146bbdb4c5a9b41
https://doi.org/10.1002/qj.2279

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Assimilation of surface-sensitive infrared radiances over land: Estimation of land surface temperature and emissivity

Autor: Ed Pavelin, Brett Candy

Publikováno v: Quarterly Journal of the Royal Meteorological Society. 140:1198-1208

Whilst the assimilation of radiances from infrared sounding spectrometers such as the Infrared Atmospheric Sounding Interferometer (IASI) and the Atmospheric Infrared Sounder (AIRS) over the sea is well established, observations over land have, until

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0435c36d364afaa17e47ba5b878be25f
https://doi.org/10.1002/qj.2218

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Comparison of cloud products within IASI footprints for the assimilation of cloudy radiances

Autor: L. Lavanant, Antonia Gambacorta, Min-Jeong Kim, Nadia Fourrié, Ed Pavelin, Sylvain Heilliette, H. Nishihata, A. P. McNally, Florence Rabier, F. Hilton, G. Grieco

Publikováno v: Quarterly Journal of the Royal Meteorological Society. 137:1988-2003

This article compares different methods of deriving cloud properties in the footprint of the Infrared Atmospheric Sounding Interferometer (IASI), onboard the European MetOp satellite. Cloud properties produced by ten operational schemes are assessed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::acc6b9d7c7f8e126a0989dacef932526
https://doi.org/10.1002/qj.917

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The assimilation of cloud-affected infrared satellite radiances for numerical weather prediction

Autor: Stephen English, John Eyre, Ed Pavelin

Publikováno v: Quarterly Journal of the Royal Meteorological Society. 134:737-749

A practical technique for the assimilation of cloud-affected infrared radiances is presented. The technique is best suited to advanced infrared sounders such as AIRS and IASI. Radiances are first pre-processed by a one-dimensional variational analysi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dba21f6a7b8d41e60a94dc2c2d493fe1
https://doi.org/10.1002/qj.243

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Sensitivity Analysis of MTG-IRS L2 Prototype Processor

Autor: Stephen English, Ed Pavelin, Stephen Tjemkes, Rolf Stuhlmann, Xavier Calbet, Jorge Bornemann

Publikováno v: Advances in Imaging.

A sensitivity analysis of the MTG-IRS L2 prototype processor has been performed to document the performance and to understand the critical components. The outcome and application to real IASI observations will be presented.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::589c7f91a0aeca7515b235f57eb780fd
https://doi.org/10.1364/hisense.2009.hmc4

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