<![CDATA[Abstrak: Studi ini bertujuan untuk mengetahui karakteristik sub DAS Ganggang berupa : (1) tata guna lahan, (2) topografi (Slope), (3) bentuk DAS, (4) kerapatan jaringan dan (5) kekasaran permukaan. Metode yang digunakan dalam studi adalah penelitian deskripsi yang didasarkan observasi lapangan dan studi literatur. Hasil penelitian ini menunjukkan bahwa sub DAS Ganggang memiliki karakteristik : (1) tata guna lahan sebagian besar sawah (2) topografi masuk kategori datar (3) bentuk DAS radial (4) kerapatan jaringan sedang dan (5) kekasaran permukaan 0,2 mempengaruhi banjir Desa Ngulanan Kecamatan Dander Kabupaten Bojonegoro.Kata-kata kunci: Bentuk DAS Ganggang, karakteristik DAS Ganggang, kekasaran permukaan DAS GanggangAbstract: The research was aimed to observe the characteristic of Ganggang sub-watershed in Bojonegoro regency. Several characterstics of Ganggang sub-watershed that observed in this study were (1) land use, (2) topography, (3) shape of the Ganggang sub-watershed, (4) local drainage system, and (5) land use coefficient. Field study observation and literature review were conducted to support this study. The results shown that Ganggang sub-watershed is characterized by several characteristics such as the majority of land use is paddy field, it has very flat topography, the sub-watershed is radial shape, it has medium drainage system, and land use coefficient of 0,2. These characteristics influence the regular flooding in Ngulanan, District Dander of Bojonegoro regency.Keywords: Ganggang sub-watershed shape, Ganggang sub-watershed characteristics, andland use coefficient.]]>
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