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Passive cloud remote sensing
A variety of satellite instruments is available since about 30 years fort he quantitative retrieval of cloud properties, including cloud cover, optical thickness, and particle or droplet size.
Measurement of precepitation
Estimation of areal precipitation is the classical application for weather radars. The radar allows for high spatial (typical 1x1 km²) and temporal (typical every 5 minutes) resolution. Therefore, the radar is perfectly suited to detect precipitation systems and to issue short term warnings for approaching stroms, like thunderstorms.
Remote Sensing of Stratospheric Ozone with the Airborne OLEX Lidar
The OLEX (Ozone Lidar Experiment) aboard the DLR research aircraft Falcon 20 uses two different lidar techniques: The backscatter lidar technique performed at different wavelengths gives the optical properties of aerosols and PSCs (Polar Stratospheric Clouds) while the differential absorption lidar technique (DIAL) applied in the ultraviolet spectral range allows to retrieve the ozone number density in the stratosphere with high spatial resolution.
Water Vapor measurement in the atmosphere
Water vapor in the atmosphere is one of the key-substances, controlling both weather and climate. Moreover, it plays a central role in atmospheric chemistry. Water vapor is the dominant greenhouse gas in the earth's atmosphere.
Measurement of wind
Aeolus, Bora, Sirocco, Foehn or Mistral: Many names exist for the atmospheric wind, fascinating mankind for times. Wind is the dominating part of the weather system beside temperature and water vapor.
Space-borne determination of solar radiation resources
An efficient use of the solar radiation for solar energy applications requires a detailled knowledge of the variations of the radiation supply. Hourly values are necessary to optimize solar energy installations.
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