Computer Science – Databases
Scientific paper
Nov 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.582..113l&link_type=abstract
Proceedings of the Second MSG RAO Workshop (ESA SP-582). Salzburg, Austria, 9 - 10 September 2004. Organised by ESA, in cooperat
Computer Science
Databases
Scientific paper
ABSTRACT The key objective of the project "Use of the MSG SEVIRI channels in a combined SSM/I, TRMM and geostationary IR method for rapid updates of rainfall" is the development of algorithms for rapid-update of satellite rainfall estimations at the geostationary (GEO) scale. The new channels available with the Spinning Enhanced Visible and Infrared Imager (SEVIRI) radiometer in the visible (VIS), near infrared (NIR) and infrared (IR) portions of the spectrum provide new insights into the microphysical and dynamic structure of precipitating clouds thus allowing for a more precise identification of precipitation intensities. Passive microwave (PMW) radiometers on board low Earth orbiting (LEO) satellites are used to determine information on the vertical cloud structure. Key features of the new method(s) are: 1.Microphysical characterization of precipitating clouds with VIS/IR sensors; 2.Creation of cloud microphysical and radiative databases from cloud model outputs and aircraft penetrations; 3.Tuning of PMW algorithms for different cloud systems (maritime, continental, convective, stratiform,...); 4.Combination of data from different algorithms and application to a rapid update cycle at the GEO scale. The project provided the background for EURAINSAT "European Satellite Rainfall Estimation and Monitoring at the Geostationary Scale", a research project co-funded by the Energy, Environment and Sustainable Development Programme of the European Commission within the topic "Development of generic Earth observation technologies". The project web site is accessible at http://www.isac.cnr.it/~eurainsat/. Moreover, it has represented the European framework for the launch of the International Precipitation Working Group (IPWG). A brief account of the major research and organizational results will be given in the following.
Adamo Carlo
Alberoni P. P.
Antonini A.
Baptista Poiares
Battaglia Alessandro
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