Analysis of Aerosol Optical Depth at a semi-arid region, Anantapur,A.P

Aerosols, both natural and anthropogenic, play an important role in atmospheric as well as astronomical sciences. They affect the atmospheric sciences by imparting radiative forcing and perturbing the radiative balance of the Earth-atmosphere system as well as by degrading the environment. To understand the effects of aerosols on our geo/biosphere systems, it is essential to characterize their physical, chemical, and optical properties at many locations as possible because of the regional nature of their properties and the short lifetime. This will also help in building up a comprehensive picture of global aerosol distribution and also their potential environmental impact. As most of the aerosol sources are of terrestrial origin, the variability of their properties will be very large close to the surface. At higher altitudes above the mixing region and in the free troposphere, the aerosol characteristics have a more synoptic perspective, would be indicative of the background level, and are useful to understand long-term impact. Such systematic measurements of aerosols at high altitudes are practically nonexistent in India.

Autorentext

Le Dr Kuncham Narasimhulu est universitaire et chercheur dans le domaine des sciences de l'atmosphère ; il est professeur adjoint au département des études supérieures en physique du SSA Government First Grade College (autonome), Ballari. Il a publié 44 articles de recherche dans des revues internationales à comité de lecture. Il a reçu le prix Junior Scientist Award de la NESA.