A 35-GHz Polarimetric Doppler Radar for Long-Term Observations of Cloud Parameters—Description of System and Data Processing
A 35-GHz radar has been operating at the Meteorological Observatory Lindenberg (Germany) since 2004, measuring cloud parameters continuously. The radar is equipped with a powerful magnetron transmitter and a high-gain antenna resulting in a high sensitivity of -55 dBZ at 5-km height for a 10-s avera...
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| Veröffentlicht in: | Journal of atmospheric and oceanic technology 2015-04, Vol.32 (4), p.675-690 |
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| container_end_page | 690 |
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| container_title | Journal of atmospheric and oceanic technology |
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| creator | Görsdorf, Ulrich Lehmann, Volker Bauer-Pfundstein, Matthias Peters, Gerhard Vavriv, Dmytro Vinogradov, Vladimir Volkov, Vadim |
| description | A 35-GHz radar has been operating at the Meteorological Observatory Lindenberg (Germany) since 2004, measuring cloud parameters continuously. The radar is equipped with a powerful magnetron transmitter and a high-gain antenna resulting in a high sensitivity of -55 dBZ at 5-km height for a 10-s averaging time. The main purpose of the radar is to provide long-term datasets of cloud parameters for model evaluation, satellite validation, and climatological studies. Therefore, the system operates with largely unchanged parameter settings and a vertically pointing antenna. The accuracy of the internal calibration (budget calibration) has been appraised to be 1.3 dB. Cloud parameters are derived by two different approaches: macrophysical parameters have been deduced for the complete period of operation through combination with ceilometer measurements; a more enhanced target classification and the calculation of liquid and ice water contents are realized by algorithms developed in the framework of the European CloudNet project. |
| doi_str_mv | 10.1175/JTECH-D-14-00066.1 |
| format | Article |
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The radar is equipped with a powerful magnetron transmitter and a high-gain antenna resulting in a high sensitivity of -55 dBZ at 5-km height for a 10-s averaging time. The main purpose of the radar is to provide long-term datasets of cloud parameters for model evaluation, satellite validation, and climatological studies. Therefore, the system operates with largely unchanged parameter settings and a vertically pointing antenna. The accuracy of the internal calibration (budget calibration) has been appraised to be 1.3 dB. 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| ispartof | Journal of atmospheric and oceanic technology, 2015-04, Vol.32 (4), p.675-690 |
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| source | American Meteorological Society; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | Algorithms Antennas Atmospherics Calibration Climate models Clouds Data analysis Data processing Design Doppler radar Doppler sonar High gain Mathematical models Meteorology Moisture content Observatories Parameters Radar Radar data Radiation Receivers & amplifiers Remote sensing systems Transmitters |
| title | A 35-GHz Polarimetric Doppler Radar for Long-Term Observations of Cloud Parameters—Description of System and Data Processing |
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