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Journal : Bumi Lestari

PERUBAHAN FUNGSI LAHAN DI MUARA SUNGAI TERHADAP PELESTARIAN SUMBER DAYA AIR I Gusti Agung Putu Eryani; I Nengah Sinarta; I Nyoman Surayasa
Bumi Lestari Journal of Environment Vol 14 No 1 (2014)
Publisher : Environmental Research Center (PPLH) of Udayana University

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Abstract

Bali has many rivers with river water discharge conditions is quite large and a lot of wasted at the mouth of the river in vain , because not all of the water used for agricultural needs and raw water . Current physical land in the mouth of the river has begun to change from agricultural land into building that support tourism in Bali This is in line with the development of tourism industry of small -scale tourism and large -scale tourism . In line with this condition, the problem is how the characteristics of the river mouth in Bali with the change in land use in the mouth of the river and how water resources management methods that go into the mouth of the river so that water resources be sustainably. Researchmethods that will be used is phenomenology . This is in accordance with the principle of preservation of objects that many studies related to water resources management system . The research process consists of two stages . Results obtained in the form of characteristics of the river , the river mouth morphology after land use change around the mouth of the river, based on secondary data ( reports of Bali Provincial Department of Public Works ) andresearch in the field ( primary data ) , this study uses the software as a tool of analysis . Karakteristik morphology Sowan estuaries ( Perancak and vicinity ) is influenced by the tide . The slope of the river estuary is very gentle with the deposition of sediments in the estuary level is relatively high .Research materials are mostly primary data are searched directly in the research area and equipped with relevant secondary data from the last 5 years of data. Sowan river basin area 205,818 km2 , with rainfall in the basin is about 1,900 mm per year . Kondition for environmental water quality in the river mouth area Sowan obtained Perancak beach water quality data obtained magnitude BOD levels 10.61 mg / land COD levels of 16.47 mg / l . Watershed wide Badung of 52,497 km2, land conditions in  the estuary area of Badung in Denpasar . Land use changes that often occur lately triggered sedimentation / siltation in the river cross-sectional area and also increase the discharge capacity of the body into the river so that it will increase the risk of flooding. Tukad Badung Denpasar flow splitting , 19,601 km river length,  with headwaters located 12 km to the north of Denpasar and empties into the Gulf of Benoa , an important source of raw water for the city of Denpasar and southern Badung regency.
Co-Authors Agus Kurniawan Agus Kurniawan Agus Kurniawan Agus Kurniawan Cahaya Putra, Putu Agus Adi Candrayana, Kadek Windy Dang Thanh Trung Debora Evlin Dewa Ngakan Made Dwiva Cahyana Dharma, I Made Sotya Wira Diatmika, Pande Gede Bayu Guna Fajar Yudha Pratama Gede Suartana Gusti, I Gusti Putu Agung Giga Pasoepati Hartawan, I Made Nova I Gusti Agung Gede Jaya Adhiputra I Gusti Agung Putu Eryani I Gusti Agung Putu Eryani I Gusti Agung Putu Eryani I Gusti Ngurah Agung Eka Arya, Tejadinata I Ketut Nudja S., I Ketut I Made Bagastia Pinandika I Made Indra Beratha I Made Kusuma Wiranata I Made Wahyu Pramana I Nengah Damara Putra I Nyoman Surayasa I Putu Ellsa Sarassantika I Putu Ellsa, Sarassantika I Wayan Ariyana Basoka I Wayan Gde Erick Triswandana I Wayan Gde Erick, Triswandana I Wayan Maesa Andreasnata I Wayan Widanan I. P. Ellsa Sarassantika Ika Wahyuni Jose Manuel Maniquin Kadek Windy Candrayana Komang Deddy Endra Prasandya Mandia, I Wayan Maria Imaculata Goran Mosa Maria Imaculata Goran Mosa Ni Ketut Natalia Wulansari Ni Ketut Natalia Wulansari Ni Komang Armaeni Ni Komang Ayu Agustini Ni Made Widya Pratiwi Ni Putu Indah Puspita Anggraeni Nugraha, Cokorda Gede Eka Nyoman Nuri Arthana Nyoman Parthin Indra, Maulana Putu Aryastana Putu Ellsa, Sarassantika PUTU IKA WAHYUNI Putu Ika Wahyuni Putu Ika Wahyuni Putu Ika, Wahyuni Rahadiani, Anak Agung Sagung Dewi Roro Sulaksitaningrum Sudarno P Tampubolon Sumanjaya, Anak Agung Gede Wayan Runa Wirasana, I Made Adi Wisnawa, I Putu Gede Dharma Yasa Bagiarta, I Ketut Yohanes Parlindungan Situmeang