Changes in rainfall and discharge in Saddang Watershed, South Sulawesi, Indonesia

Abstract

Climate change occurred in Indonesia has a great impact. It can be indicated by the changes of seasons, rainfall patterns, and temperature. Changes in rainfall patterns may result in seasonal shifts. The purpose of this study is to identify changes in rainfall and discharge on Saddang Watershed, including Buntu Batu River, Mata Allo River, and Pekkabata River. The method used is to collect rainfall data and debit to analyzed by regression analysis. As the result of the study, it is found that rainfall on the River Buntu Batu has decreased during the last 6 years. Beside that, rainfall on Mata Allo River also has decreased over the last 10 years and has experienced a decrease over the past 10 years. Rainfall on Pekkabata River also has decreased over the last 10 years and has experienced a decrease in discharge over the past 10 years. Overall, the rainfall on Sadddang River has decreased over the past 10 years and has experienced a decrease in discharge over the past 10 years.

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