23 June 2006 A satellite survey of cloud cover and water vapor in northwest Africa and southern Spain
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Proceedings Volume 6267, Ground-based and Airborne Telescopes; 62671O (2006); doi: 10.1117/12.669490
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States
Abstract
A survey of northwest Africa and southern Spain (including the Canary Islands) has been carried out using satellite data from the Meteosat Operational Service (in geostationary orbit at 0o longitude). The study was funded by European Southern Observatory (ESO) as part of the site survey effort for the Overwhelmingly Large Telescope (OWL), recently re-baselined as the European Extremely Large Telescope (E-ELT). Cloud cover and water vapor were surveyed over the area 20oN to 40oN and 20oW to 10oE using satellite data for the 7-year period January 1996 to December 2002. The study included a calibration of the Upper Tropospheric Humidity (UTH) for Meteosat-5, an aerial analysis of cloud cover and precipitable water vapor (PWV) and a verification of the satellite cloud cover using ground-based observations of sky conditions derived from extinction measurements made at the Observatorio del Roque de los Muchachos (ORM) on La Palma. In view of the importance of establishing the accuracy of the satellite method, a summary of results from earlier verification studies has been included in the relevant section.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
D. André Erasmus, R. van Rooyen, "A satellite survey of cloud cover and water vapor in northwest Africa and southern Spain", Proc. SPIE 6267, Ground-based and Airborne Telescopes, 62671O (23 June 2006); doi: 10.1117/12.669490; https://doi.org/10.1117/12.669490
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KEYWORDS
Satellites

Clouds

Earth observing sensors

Spectroscopy

Telescopes

Satellite imaging

Observatories

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