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Proceedings Paper

Microphysical parameters of cirrus clouds using lidar at a tropical station, Gadanki, Tirupati (13.5 degrees N, 79.2 degrees E), India
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Paper Abstract

Cirrus clouds have been identified as one of the most uncertain component in the atmospheric research. It is known that cirrus clouds modulate the earth's climate through direct and indirect modification of radiation. The role of cirrus clouds depends mainly on their microphysical properties. To understand cirrus clouds better, we must observe and characterize their properties. In-situ observation of such clouds is a challenging experiment, as the clouds are located at high altitudes. Active remote sensing method based on lidar can detect high and thin cirrus clouds with good spatial and temporal resolution. We present the result obtained on the microphysical properties of the cirrus clouds at two Tropical stations namely Gadhanki, Tirupati (13.50 N, 79.20 E), India and Trivandrum (13.50 N, 770 E) Kerala, India from the ground based pulsed Nd: YAG lidar systems installed at the stations. A variant of the widely used Klett's lidar inversion method with range dependent scattering ratio is used for the present study for the retrieval of aerosol extinction and microphysical parameters of cirrus cloud.

Paper Details

Date Published: 29 December 2008
PDF: 12 pages
Proc. SPIE 7153, Lidar Remote Sensing for Environmental Monitoring IX, 71530Y (29 December 2008); doi: 10.1117/12.806390
Show Author Affiliations
M. Satyanarayana, Univ. of Kerala (India)
Vikram Sarabhai Space Ctr. (India)
S-R. Radhakrishnan, Univ. of Kerala (India)
V. Krishnakumar, Univ. of Kerala (India)
V. P. Mahadevan Pillai, Univ. of Kerala (India)
K. Raghunath, National Atmospheric Research Lab. (India)

Published in SPIE Proceedings Vol. 7153:
Lidar Remote Sensing for Environmental Monitoring IX
Upendra N. Singh; Kazuhiro Asai; Achuthan Jayaraman, Editor(s)

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