Abstract
The present study aims to estimate the shortwave aerosol radiative forcing (SWARF) and their effect on regional climate over Mohal (31.9°N, 77.12°E) in the northwestern Indian Himalaya. The radiative properties of aerosols are measured using multiwavelength radiometer. These measurements are carried out during 2006–2010. Recent studies have shown that the continuously increasing level of aerosols along the elevated slopes of the Indian Himalaya results in many climatic implications. The major climatic effect of aerosol has changed the nature of SWARF, which depends on the single-scattering albedo (SSA). This study reports that the values of SSA are low during winter, which indicates the significant contribution of absorbing aerosols. The large values of SSA was observed during the premonsoon, which signifies notable contribution of scattering aerosols. The largest SWARF at the surface was estimated during the premonsoon, while the smallest was during the monsoon. This study reports that the burden of absorbing aerosols over the Indian region is higher, which results in notable solar heating over India.
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