The CLARA-Project: Intensive Experimental Study of Clouds and Radiation in The Netherlands
Russchenberg, H.W.J., Delft University of Technology; van Lammeren, A.C.A.P., and Feijt, A., Royal Netherlands Meteorological Institute; Apituley, A., National Institute of Public Health and the Environment; Khlystov, A., Netherlands Energy Research Centre; Herben, M., Eindhoven University of Technology
Ninth Atmospheric Radiation Measurement (ARM) Science Team Meeting
In 1996, three extensive measurement campaigns were held with a multitude of sensors that included a full set of ground-based remote sensing instruments (lidars, radar, Microwave Radiometer [MWR], Global Positioning System [GPS]-receiver, Infrared-radiometer, visual and Infrared video) was combined with satellite measurements (Meteosat, Along Track Scanning Radiometer [ATSR], Advanced Very High-Resolution Radiometer [AVHRR] and Global Ozone Monitoring Experiment [GOME]), in situ aircraft data (Forward Scattering Spectrometer Probe [FSSP] to measure droplet spectra) and traditional meteorological observations (radiosondes, surface temperature and humidity). In three campaigns (spring, summer and autumn), data was collected for about 8 weeks and over 40 hours of aircraft measurements were taken. Most of the equipment was installed in Delft, near the coast of the North Sea. At the Energy Research Centre Netherlands in Petten, details of the cloud formation process were studied in a cloud chamber. The information from the field campaigns is used to improve routine remote sensing retrieval methods (for ground-based and satellite remote sensing) and will also serve to test detailed models of clouds and radiative transfer. These case studies will further serve as a test bed for parameterizations that will be included in general circulation models (GCMs).
Note: This is the poster abstract presented at the meeting; an extended version was not provided by the author(s).


