The CEOS Cal/Val Portal: a new instrument for the cal/val community
2010
The exploitation of Earth Observation data depends with increasing importance on multi-source inter-calibrated
data, as demonstrated, for example, in the ESA DUE GlobColour project. 1 The subgroup on Calibration
and Validation of the Committee on Earth Observing System (CEOS) formulated a recommendation during
the plenary session held in China at the end of 2004, with the goal of setting-up and operating an Internet
based system to provide sensor data, protocols and guidelines for the purposes of efficiently supporting sensor
calibration, inter-calibration and product validation. ESA has taken the initiative and launched the version 1.0
of the Cal/Val Portal in October 2006 and the version 2.0 in mid 2009. This paper describes the Cal/Val portal
webpage, components, and general content organization. It also gives an example of collaboration and Cal/Val
facility.
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