What is it about?
This study reports the characteristics of precipitable water vapour (PWV) at ten sites over Spain from 10 years of hourly data from ground-based global positioning system (GPS) receivers.
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Why is it important?
The precipitable water vapour (PWV) plays a crucial role in many atmospheric processes, such as the meridian transfer of energy, the greenhouse effect, the radiative balance, the structure and evolution of storm systems, etc. Nevertheless, and despite its importance, knowledge of PWV is limited owing to the lack of high spatiotemporal resolution observations.
Perspectives
Precipitable water vapour plays a crucial role in many atmospheric processes. Nevertheless, due to the lack of high spatial–temporal resolution observations knowledge of PWV has been limited. The proliferation in recent years of networks of high-precision GPS receivers permits a more complete study of this atmospheric component. Thus, at this moment utilizing GPS system data appears to be one of the most powerful techniqus for the study of PWV. This study provides the first characterization of PWV over Spain.
Dr Jose Pablo Ortiz de Galisteo Marin
AEMET
Read the Original
This page is a summary of: Analysis of the annual cycle of the precipitable water vapour over Spain from 10‐year homogenized series of GPS data, Quarterly Journal of the Royal Meteorological Society, May 2013, Wiley,
DOI: 10.1002/qj.2146.
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