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Titel |
A new mobile and portable scanning lidar for profiling the lower troposphere |
VerfasserIn |
C.-W. Chiang, S. K. Das, H.-W. Chiang, J.-B. Nee, S.-H. Sun, S.-W. Chen, P.-H. Lin, J.-C. Chu, C.-S. Su, L.-S. Su |
Medientyp |
Artikel
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Sprache |
Englisch
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ISSN |
2193-0856
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Digitales Dokument |
URL |
Erschienen |
In: Geoscientific Instrumentation, Methods and Data Systems ; 4, no. 1 ; Nr. 4, no. 1 (2015-02-17), S.35-44 |
Datensatznummer |
250115231
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Publikation (Nr.) |
copernicus.org/gi-4-35-2015.pdf |
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Zusammenfassung |
An in-house developed mobile and portable three-dimensional scanning lidar
system is discussed in this work. The system uses a stimulated
Raman-scattering technique for the continuous observation of atmospheric
aerosols, clouds and trace gases. This system has a fast scanning
technique with a high-speed data acquisition, and permits the real-time
measurement of atmospheric pollutants with the temporal resolution of 1 min. This scanning lidar system provides typical horizontal coverage of
about 8–10 km while scanning; however, in zenith mode, good quality
backscattered signals can be from 20 km, depending upon the laser power and
sky conditions. This versatile lidar system has also overcome the drawbacks
which are popular in the traditional scanning lidar systems such as complicated
operation, overlap height between laser beam and telescope field of view
In this system, the optical damage is reduced by using an integral coaxial transmitter and
receiver. Some of the initial results obtained from the scanning lidar
system are also presented. This study shows that boundary-layer structure
and land–sea breeze circulation can be resolved from the developed scanning
lidar system. The application of this lidar system to measure the pollutants over
an industrial area is also discussed. |
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