IJSER Home >> Journal >> IJSER
International Journal of Scientific and Engineering Research
ISSN Online 2229-5518
ISSN Print: 2229-5518 7    
Website: http://www.ijser.org
scirp IJSER >> Volume 3,Issue 7,July 2012
Semiautomatic Twilight Photometer, Design and Working
Full Text(PDF, )  PP.251-257  
Pratibha B. Mane
Semiautomatic Twilight Photometer, aerosol measurements, passive remote sensing technique
Aerosol measurements have been carried out at Kolhapur (16.41°N 74.13°E) by using newly designed Semiautomatic Twilight Photometer. Some noticeable features of the semiautomatic twilight photometer are improvement in efficiency of the system, growth in signal to noise ratio, augmentation in height resolution, lot of upgrading in the sensitivity of the system, expansion in duration of operation of the system, rise in rate of sampling, better accuracy in storing the data etc. The twilight scattering method yields a reasonable qualitative picture of the vertical distribution of the aerosols from about 6 km to a maximum of 350 km.
1. B. Padma Kumari, , A. L. Londhe, H. K. Trimbake, D. B. Jadhav comparison of aerosol vertical profiles derived by passive and active remote sensing techniques-a case study, Atmospheric Environment, December 2004, Vol. 38, Issue 39 : pp. 6679-6685.

2. B. Padma Kumari, A. L. Londhe, D. B. Jadhav, and H. K. Trimbake, Seasonal variability in the stratospheric aerosol layer in the current volcanically-quiescent period over two tropical stations in India using the twilight sounding method, Geophys. Res. Lett., 33, 2006, L12807, doi: 10.1029/ 2006GL026087.

3. B. Padma Kumari, A. L. Londhe, H. K. Trimbake & D. B. Jadhav, Study of vertical aerosol distribution from twilight photometry, Bulletin of Indian Aerosol Science & Technology Association, 14, 2002, 31-33.

4. B. Padma Kumari, S. H. Kulkarni, D. B. Jadhav, A. L. Londhe, H. K. Trimbake, Exploring Atmospheric Aerosols by Twilight Photometry, Journal of Atmospheric and Oceanic Technology, September 2008, Vol. 25, No. 9 : pp. 1600-1607.

5. Jadhav, D. B. & A. L. Londhe, 1992: Study of atmospheric aerosol loading using the twilight method, J. Aerosol Sci., 23, 623-630.

6. Nighut, D. N., A. L. Londhe, D. B. Jadhav, 1999: Derivation of vertical profile in lower stratosphere & upper troposphere using twilight photometry, Indian J. Radio & Space Phys., 28, 75-83.

7. P.R. Patil, D.B. Jadhav, D.R. Jadhav, B. Padma Kumari, H. K. Trimbake, 2003:Automatic twilight photometer for monitoring meteor showers and vertical profiles of aerosols, New Instruments and Technology, Advances in Remote Sensing,IUGG, TIME [ 1700 ] [ MI09/08P/B22-008 ].

8. Shah, G. M., 1970: Study of aerosol in the atmosphere by twilight scattering, Tellus, 22, 82-93.

Untitled Page