High resolution Raman lidar for simultaneous measurement of temperature and water vapor in the lower atmosphere at a coastal station, Trivandrum

M. Satyanarayana; S. R. Radhakrishnan; B. Presennakumar; V. S. Murty; R. Bindhu

doi:10.1117/12.694000

22 December 2006 High resolution Raman lidar for simultaneous measurement of temperature and water vapor in the lower atmosphere at a coastal station, Trivandrum

M. Satyanarayana, S. R. Radhakrishnan, B. Presennakumar, V. S. Murty, R. Bindhu

Author Affiliations +

Proceedings Volume 6409, Lidar Remote Sensing for Environmental Monitoring VII; 64090M (2006) https://doi.org/10.1117/12.694000
Event: SPIE Asia-Pacific Remote Sensing, 2006, Goa, India

Abstract

This work reports the development and preliminary results of the Vibrational Raman lidar at a coastal station, Trivandrum (8°33'N, 77°E). A Raman lidar technique for measuring atmospheric temperature and water vapor using vibrational Raman spectra of N2 and H₂O are discussed in detail. Interference filters at 607 and 660nm of 1nm band- width are used in the Raman lidar channel. Nighttime temperature and water vapor profiles are obtained from 1-5km in the lower atmosphere. Lidar water vapor profiles are in good agreement with the Regional Model data. The variation in the temperature profiles may be due to the indirect aerosol effect in the lower atmosphere.

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M. Satyanarayana, S. R. Radhakrishnan, B. Presennakumar, V. S. Murty, and R. Bindhu "High resolution Raman lidar for simultaneous measurement of temperature and water vapor in the lower atmosphere at a coastal station, Trivandrum", Proc. SPIE 6409, Lidar Remote Sensing for Environmental Monitoring VII, 64090M (22 December 2006); https://doi.org/10.1117/12.694000

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