Abstract
The flood was triggered by a decrease in absorption zones as population growth, activity and land requirements for housing or economic activities increased. To overcome the flood, Bandung City created a conservation pond as one of the flood prevention measures designated as one of the most frequent flood forest prevention measures in Sarimas. The purpose of this study is to assess of the capacity of the retention pool in Sarimas housing, Sukamiskin sub-district, Arcamanik subdistrict, Bandung city.Based on a runoff discharge analysis conducted with rain on the 10-year obtained a maximum of water runoff discharge using the method of synthetic hydrograph unit (HSS) Nakayasu of 20.52 m3. The traceability of the flow path carried out still leaves a significant volume of the water tank, with the capacity of the outlet remaining up to 5.01 m3/s capacity for the pump.
Highlights
Pesatnya kegiatan manusia di wilayah perkotaan memberikan dampak positif terhadap kemajuan ekonomi
The flood was triggered by a decrease in absorption zones
The purpose of this study is to assess of the capacity of the retention pool
Summary
Pesatnya kegiatan manusia di wilayah perkotaan memberikan dampak positif terhadap kemajuan ekonomi. Namun disisi lain dapat menimbulkan permasalahan lingkungan akibat adanya pembangunan yang kurang memperhatikan daya dukung lingkungannya. Masalah utama yang timbul adalah banjir, genangan air serta penurunan muka air tanah. Banjir dapat terjadi karena berkurangnya daerah resapan akibat meningkatnya jumlah penduduk, aktivitas dan kebutuhan lahan, baik untuk pemukiman maupun kegiatan ekonomi. Sehingga terjadi intervensi kegiatan ekonomi pada lahan yang seharusnya berfungsi sebagai daerah konservasi dan ruang terbuka hijau. Hal ini berdampak pada pendangkalan (penyempitan) sungai, sehingga air meluap dan memicu terjadinya bencana banjir, khususnya pada daerah hilir. Dalam hal ini Kota Bandung membuat kolam retensi yang berlokasi di Perumahan Sarimas, Kelurahan Sukamiskin, Kecamatan Arcamanik, Kota Bandung, yang merupakan salah satu solusi untuk mereduksi banjir yang sering terjadi di kawasan Perumahan Sarimas
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