Analisis Pengaruh Perubahan Tata Guna Lahan Terhadap Debit Banjir Pada DAS Sunter
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Institusion
Institut Teknologi Perusahaan Listrik Negara
Author
Putri, Alyvia Franciska
Pantaouw, Jhon Paulus
Pantaouw, Jhon Paulus
Subject
Teknik Sipil
Datestamp
2020-02-17 10:37:40
Abstract :
Debits in the Sunter River Basin have increased from 2004 to 2017. On the other hand, land use around the Sunter watershed has also changed due to rapid population growth and the development of urban areas and economic development. Therefore it is necessary to study the relationship between land use and the increase in discharge that occurs in the Sunter River Basin. The Sunter watershed has a Catchment area of 181.2131 ?km?^2and a river length of 55 km with the slope of the Sunter River is 0.016. The data needed in the form of rainfall data, land use maps and land use data and topographic data. Hourly rainfall intensity, obtained from the annual maximum daily rainfall data of Cawang, Cibinong, Pulogadung, Sunter Rawa Badak, Sunter Kodamar stations which was transformed using the Mononobe formula. Meanwhile, to calculate the flood discharge plan, the Nakayasu, Snyder and Limantara and the Rational methods are used. From the results of correlation analysis using multiple regression equations obtained correlation coefficient values of 0.839. So it can be concluded that land use changes that occur around the Sunter watershed affect the flood discharge in the Sunter watershed.
Debits in the Sunter River Basin have increased from 2004 to 2017. On the other hand, land use around the Sunter watershed has also changed due to rapid population growth and the development of urban areas and economic development. Therefore it is necessary to study the relationship between land use and the increase in discharge that occurs in the Sunter River Basin. The Sunter watershed has a Catchment area of 181.2131 ?km?^2and a river length of 55 km with the slope of the Sunter River is 0.016. The data needed in the form of rainfall data, land use maps and land use data and topographic data. Hourly rainfall intensity, obtained from the annual maximum daily rainfall data of Cawang, Cibinong, Pulogadung, Sunter Rawa Badak, Sunter Kodamar stations which was transformed using the Mononobe formula. Meanwhile, to calculate the flood discharge plan, the Nakayasu, Snyder and Limantara and the Rational methods are used. From the results of correlation analysis using multiple regression equations obtained correlation coefficient values of 0.839. So it can be concluded that land use changes that occur around the Sunter watershed affect the flood discharge in the Sunter watershed.
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