Abstract
AbstractThe decline of surface solar global radiation has been analyzed and reduced atmospheric visibility at Palembang, South Sumatra Province, Indonesia, during the smoke events in September-December 2019. The surface global solar radiation was measured at the campus of Bina Darma University at Palembang City using AWS integrated radiometer, and the visibility was observed in Talang Betutu, Palembang Airport. The smoke produced by forest fire surrounding Palembang caused declining in surface global solar intensity significantly. It also reduced atmospheric visibility in Palembang Airport down to 1.6 km, while in the atmospheric condition without smoke, the visibility was around 8.2 km. This condition made the sunrise in the morning as if delayed for some ten minutes. Among 86 days of data in this period, 46 days (53.3%) have lower surface solar radiation intensity. This study aims to get values of surface global solar radiation decline and the decrease in atmospheric visibility due to smoke events.KeywordsVisibilitySmokeForest fireSolar radiation
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