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| Titel |
Application of Cabauw lidar data for campaigns, new methodology development and validation activities |
| VerfasserIn |
Arnoud Apituley, Dave Donovan, Marco de Bruine, Bram Sanders, Marijn de Haij |
| Konferenz |
EGU General Assembly 2015
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 17 (2015) |
| Datensatznummer |
250113102
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| Publikation (Nr.) |
 EGU/EGU2015-13299.pdf |
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| Zusammenfassung |
| Caeli, the Cabauw Water Vapour, Aerosol and Cloud lidar, is a high-performance
multi-wavelength Raman lidar and is part of EARLINET. It is one of the key instruments
installed at the Cesar Observatory in Cabauw, located in the western part of The Netherlands
(51.971° N, 4.927° E) in a polder 0.7Âm below mean sealevel. At the site a large set of
instruments is operated to study the atmosphere and its interaction with the land
surface. Also operated at the site are a UV-backscatter lidar with depolarisation and a
ceilometer.
The Cabauw lidar data were used for the development of several new methods, as well
as in the validation of new techniques based on other sensor data. The potential
of the site that is equipped with a suite of in-situ and remote sensing equipment
provides the possibility to develop new methods, and test them using independent
observations.
A method for estimations of the mass load of volcanic ash based on depolarisation lidar
data was developed and could be tested using the Raman lidar data. A new method for
tracking the height of the boundary layer using graph theory was developed and could be
tested using the wind profiler. The lidar data was also used for testing a new technique to
derive the aerosol layer height from passive satellite observations in the O2 A-band, that can
be applied in future operational earth observation platforms. The EARLINET Raman lidar
acts as the reference instrument in the selection procedure for a new ceilometer for the
Dutch ceilometer network. Future work will include validation activities for the
upcoming European satellite missions Aeolus, Sentinel-5p/TROPOMI and EarthCare. |
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