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Lidar Research Network Water Vapor and Wind

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Abstract:

This paper reports on a workshop which took place on April 08/09, 2002 at the University of Hohenheim, Stuttgart, Germany. During this workshop, laser and lidar experts as well as experts in atmospheric sciences came together. The goals of this workshop were to establish an interdisciplinary network on lidar research, to develop operational reference systems for water vapor and wind lidar measurements and to demonstrate the significant impact of water vapor and wind lidar systems on climate and weather research. The main result was the setup of an interdisciplinary expert network "Lidar research water vapor and wind". This network is responding to large gaps in our knowledge of the global water vapor and wind distribution and shall improve weather and climate research. The network has mainly the following objectives: 1) The development of high-performance, high-power laser transmitters for wind and water vapor measurements based on novel pump laser designs, 2) research on efficient frequency conversion techniques of the high-power pump light into wavelengths required for water vapor and wind lidar systems, 3) the development of an operational reference water vapor differential absorption lidar system, also as a demonstrator for space borne missions like the Water Vapor Lidar Experiment in Space (WALES), 4) the performance of observation system simulation experiments (OSSEs) in order to demonstrate the impact of lidar data on nowcasting and short-range weather forecast, 5) the extension of the application of current and future lidar data in combination with other instruments for process studies, 6) the design of future field studies including a new generation of remote sensing systems. The network shall investigate key questions in atmospheric sciences, particularly, the role of water vapor in the Earth's weather and climate system by the application of lidar systems with unprecedented accuracy, resolution and range.



Am 8. und 9. April 2002 fand ein Arbeitstreffen an der Universita¨t Hohenheim in Stuttgart statt. Bei diesem Treffen kamen erstmals Experten aus der Hochleistungslasertechnologie sowie aus der Lidar- und Atmospha¨renforschung zusammen. Die Ziele dieses Treffens war der Aufbau eines Netzwerks Lidarforschung, die Entwicklung operationeller Lidar-Referenzsysteme fu¨r Wasserdampf- und Windmessungen und die Demonstration des signifikanten positiven Einflusses dieser Systeme auf die Wetter- und Klimaforschung. Das Hauptresultat war die Gru¨ndung eines transdisziplina¨ren Expertennetzwerkes ,,Lidarforschung Wasserdampf und Wind". Dieses Netzwerk hat es sich zur Aufgabe gemacht, die gewaltigen Lu¨cken in unserem Wissen u¨ber die globalen Wasserdampf- und Windfelder zu schließen und signifikante Fortschritte in der Wetterund Klimaforschung zu erzielen. Im Einzelnen hat das Netzwerk die folgenden Zielsetzungen: 1) Die Entwicklung von Hochleistungslasertransmittern fu¨r Wind- und Wasserdampfmessungen, 2) die Entwicklung von effizienten Frequenzkonversionstechniken, um die fu¨r Wind- und Wasserdampf-Lidar-Messungen erforderlichen Frequenzen zu erreichen, 3) der Aufbau eines operationellen Wasserdampf-Differential Absorption Lidar-Systems auch als Demonstrator fu¨r Weltraummissionen wie das Water Vapor Lidar Experiment in Space (WALES), 4) die Durchfu¨hrung von Observation System Simulation Experiments (OSSEs) zur Demonstration des signifikanten positiven Einflusses der Lidar-Daten auf die Kurz- und Mittelfristwettervorhersage, 5) die Ausweitung der Anwendung von Lidar-Daten in Synergie mit anderen Instrumenten bei Prozessstudien, 6) die Konzeption zuku¨nftiger Messkampagnen unter Beru¨cksichtigung der neuesten Generation von Fernerkundungssystemen. Durch die Anwendung von Lidar-Systemen mit bisher unerreichter Auflo¨sung, Reichweite und Genauigkeit soll das Netzwerk Schlu¨sselprozesse in der Atmospha¨re untersuchen, insbesondere die Rolle der Wasserdampfes im Wetter- und Klimasystem der Erde.

Keywords:

Document Type: Miscellaneous

DOI: http://dx.doi.org/10.1127/0941-2948/2003/0012-0005

Publication date: January 1, 2003

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  • Meteorologische Zeitschrift (originally founded in 1866) is the joint periodical of the meteorological societies of Austria, Germany and Switzerland. It accepts high-quality peer-reviewed manuscripts on all aspects of observational, theoretical and computational research out of the entire field of meteorology, including climatology. Meteorologische Zeitschrift represents a natural forum for the meteorological community of Central Europe and worldwide.
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