CHANGES OF RAINFALL AND DISCHARGE IN SADDANG WATERSHED, SOUTH SULAWESI, INDONESIA
Muhammad Hasbi(a*), Muhammad Saleh Pallu(b), Rita.Lopa(b), Mukhsan Putra Hatta(b) and Sri San Yuni(c)

a) Doctoral Course, Department of Civil Engineering, Faculty of Engineering,Hasanuddin University
* muhammad_hasbi_pj[at]yahoo.com
b) Department of Civil Engineering, Faculty of Engineering,Hasanuddin University
c) College student, Department of Civil Engineering, Faculty of Engineering,Hasanuddin University


Abstract

Climate change that 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 the Saddang Watershed, including Buntu Batu River, Mata Allo River, and Pekkabata River. The method used is to collect rainfall data and debit then analyzed by regression analysis. As the results 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 in discharge over the past 10 years. Rainfall on the 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 Saddang River has decreased over the past 10 years and has experienced a decrease in discharge over the past 10 years.

Keywords: Sadang River, Buntu Batu River, Mata Allo River, and Pekkabata River

Topic: Infrastructure and Environment

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