22 December 2006 Monitoring of vertical aerosol profiles using micropulse lidar
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Abstract
Tropospheric aerosol play an important role in regional meteorology and energy balance of radiation. Specially in huge urban areas like New Delhi, India a large amount of aerosols from anthropogenic origins is continuously produced and released in the atmospheric boundary layer. The effect of aerosols on atmospheric energy balance is a key global change problem. Aerosol vertical distribution monitoring can be significantly improved using active remote sensing by Lidar. Micro-pulse lidar proved to be an important state of art tool providing a detailed picture of the vertical structure of boundary layer and elevated dust or tiny aerosol. Aerosols are spatially and temporarily varied in short period. The movement of the pollutants can be tracked or mapped out as a function of time by the help of Lidar which is very important to understand the dynamics of particulate matters. The in-situ measurements of aerosol at ground will not be a true representation of total aerosol and its vertical distribution in the atmosphere, therefore the monitoring of vertical profiles of aerosol is very important and timely which is not possible by conventional methods. In view of the above a micro pulse lidar is being setup at NPL, New Delhi to get vertical profiles of aerosol to study the radiative forcing and characterization of aerosols using depolarization ratio. In the present communication details of the system and some preliminary results will be presented.
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S. L. Jain, B. C. Arya, Arun Kumar, Y. Nazeer Ahammed, "Monitoring of vertical aerosol profiles using micropulse lidar", Proc. SPIE 6409, Lidar Remote Sensing for Environmental Monitoring VII, 64091L (22 December 2006); doi: 10.1117/12.693684; https://doi.org/10.1117/12.693684
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KEYWORDS
Aerosols

LIDAR

Atmospheric particles

Atmospheric monitoring

Clouds

Computing systems

Nanolithography

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