Judul: Penentuan Lokasi, Luas, dan Volume Genangan Air Sebagai Potensi Cadangan Airtanah di Perumahan Tamansari Persada, Bogor
Abstrak: The changes of the green land-use as retention area to become housing area, will cause problems like enhancement of run-off, reduction of water infiltration to the land, as well as puddle and flood if water volume increases in some area. A study was conducted with the objective to determine the location, area, and volume of puddles at Tamansari Persada Residential, Bogor as groundwaters storages potential. The procedure of sampling and analysis of the data were determination of fixed location of puddles, determination of coordinate points for area and volume of puddles, and analysis of the data by aSurfer 8’s software and Gridding Krigging Method. According the research result from March to April 2013, there were three fixed puddles locations at Palm Cluster and routine flood occured when rain was falling and the maximum volume and area puddles for the first location were 0.11 m3 and 6.57 m2, the second location were 0.26 m3 and 18.82 m2, and the third location were 0.35 m3 and 20.77 m2. Generally, there are correlation from enhancement of lowest elevation, areas, and volumes of puddle and have been proved by Linear Regresion Method. From this method will produced puddle potential formula and the value of determination coefficient (R2) closer to 1. The location, areas, and volume of puddles could becoming reference of puddles potential and absorbed to the ground as an groundwater.
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Judul: Analisis Pendugaan Limpasan di Perumahan Tamansari Persada, Bogor
Abstrak: Runoff is affected by various factors, i.e., meteorological factor represented by precipitation and regional flow factor stated the regional drainage physical properties. The change in land characteristics from natural land into developed land will reduce the absorption function in catchment areas and increase runoff. The situation could lead to the occurrence of flood if the planning of drainage at a residential area is not good. It often happens in Tamansari Persada Residence in Bogor. A study was conducted with the objective to identify the direction of runoff (incoming flow and outgoing flow) and to predict runoff in the Tamansari Persada Residence. The methods used in this study were literature review and field study. The material used included Google Earth satellite image acquisition of September 12, 2012, the rainfall data from Atang Sanjaya Weather Station at Bogor from 2003 until 2012 and topographic contour map of the residence. From the observation and analysis, the direction of runoff in the Tamansari Persada Residence followed the topographic from the south to the north. The total discharge of runoff reached 1.31 m3 s-1 in the area of 27.98 ha.
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Judul: Karakteristik Karkas Kelinci Hyla Hycole dan New Zealand White
Abstrak: Kelinci hyla berasal dari China dan kelinci hycole berasal dari Perancis adalah kelinci pedaging yang diimpor pada tahun 2012 untuk dikembangkan di Indonesia. Evaluasi produktivitas karkasnya dibandingkan dengan kelinci new zealand white yang telah beradaptasi di Indonesia. Hal ini dilakukan untuk mengetahui performanya di iklim tropis Indonesia. Penelitian ini menggunakan rancangan acak lengkap dengan perlakuan galur kelinci, yaitu hyla (CC), hycole (PP), dan new zealand white (NN). Peubah yang diamati adalah karkas (bobot karkas, potongan komersial, dan proporsinya) dan non karkas (bagian non karkas dan proporsinya). Pengaruh perlakukan dianalisis menggunakan analisis kovariat dengan bobot awal dan bobot potong sebagai kovariatnya. Kelinci CC, PP, dan NN memiliki bobot potong serta bobot proporsi karkas yang sama, perbedaan terdapat pada potongan komersial, serta komponen karkas dan non karkas. Kelinci CC memiliki bobot dan proporsi tulang rack dan loin, lemak intermuskular dan ginjal, total lemak serta kaki depan yang lebih tinggi dibandingkan PP dan NN. Kelinci PP memiliki bobot dan proporsi tulang hindleg lebih tinggi dibandingkan CC. Kelinci NN memiliki bobot dan proporsi rack, daging foreleg dan loin, tulang hindleg, kepala, dan kulit-rambut lebih tinggi dibandingkan CC dan PP. Produktivitas karkas kelinci CC, PP, serta NN sangat baik dan dapat dikembangkan lebih lanjut menjadi kelinci pedaging atau melalui tindakan pemuliaan, baik persilangan maupun seleksi menjadi kelinci pedaging yang adaptif iklim tropis.
Keyword: hycole, hyla, karakteristik karkas, new zealand white