Wan Shen Hee

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Questions related from Wan Shen Hee

How do I determine the uncertainties in Raman Lidar data?

I'm collecting night time Raman Lidar data. The collected data was processed using the software provided by the Lidar manufacturer. The results of the processed data is a graph of Lidar ratio (355...

29 October 2015 891 0 View

What aerosol types correspond to the Lidar ratio <10 sr and >80 sr?

According to Müller, D., et al. "Aerosol‐type‐dependent lidar ratios observed with Raman lidar." Journal of Geophysical Research: Atmospheres (1984–2012) 112.D16 (2007). Basically Lidar ratio of...

09 June 2015 4,976 2 View

Comparison between AOD obtained by AERONET and AOD obtained by Lidar?

From AERONET, we can directly obtained AOD. Then, from lidar data, we use Klett inversion to obtained the backscatter coefficient. Then using the backscatter coefficient and the predicted lidar...

17 October 2013 2,165 17 View

Methods/ Software to determine sun position at my latitude

I have a ground based backscatter lidar, operating at vertical (90 degree zenith) everyday during day time. The Lidar manufacturer advise us not to operate it when the sun disc enter our Lidar's...

12 July 2013 4,201 4 View

How does one predict AOD value for 355nm using AERONET data?

I have found in some journals that some researchers predict AOD value for 355nm using AERONET AOD data from 340nm and 380nm. By doing so they can minimize error when doing Klett inversion to...

04 July 2013 6,889 9 View