Judul: Survai penelusuran alumni SMA Negeri I Bogor
Abstrak: Penelitian ini bertujuan untuk menelusuri beberapa kete- rangan tentang lulusan SMA meliputi: yang 1. Dimana mereka berada. 2. Apa kegiatan mereka setelah lulus SMA....
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Judul: Tingkat Kecerdasan, Asupan Energi dan Protein, dan Aktivitas Fisik terhadap Prestasi Belajar Siswa SMA Negeri 6 Bogor
Abstrak: Tujuan umum penelitian ini adalah untuk mempelajari tingkat kecerdasan, asupan energi dan protein, dan aktivitas fisik terhadap prestasi belajar siswa SMA Negeri 6 Bogor. Tujuan khusus dari penelitian ini diantaranya: (1) Mempelajari tingkat kecerdasan siswa SMA Negeri 6 Bogor, (2) Mempelajari asupan energi dan protein siswa SMA Negeri 6 Bogor, (3) Mempelajari aktivitas fisik siswa SMA Negeri 6 Bogor, (4) Mengetahui prestasi belajar siswa SMA Negeri 6 Bogor, (5) Mempelajari hubungan antara tingkat kecerdasan terhadap prestasi belajar siswa SMA Negeri 6 Bogor, (6) Mempelajari hubungan antara asupan energi dan protein terhadap prestasi belajar siswa SMA Negeri 6 Bogor, (7) Mempelajari hubungan antara aktivitas fisik terhadap prestasi belajar siswa SMA Negeri 6 Bogor. Penelitian ini dilakukan dengan menggunakan desain Cross Sectional Study. Penelitian dilaksanakan bulan Mei-September 2012. Penentuan sekolah yang dijadikan lokasi penelitian dilakukan secara purposive. Contoh pada penelitian ini adalah 73 siswa kelas X yang terdiri dari 35 siswa putri dan 38 siswa putra. Data yang dikumpulkan terdiri dari data primer dan data sekunder. Data primer terdiri dari data karakteristik keluarga siswa, karakteristik siswa, antropometri siswa, aktivitas fisik, konsumsi siswa, kebiasaan makan, pola belajar. Data sekunder terdiri dari gambaran umum sekolah, nilai rapot, nilai UTS dan UAS, hasil tes IQ. Data status gizi diperoleh dengan menggunakan indeks massa tubuh menurut umur (IMT/U). Data konsumsi dan aktivitas fisik diperoleh melalui metode recall 2x24 jam. Pengolahan data dilakukan secara deskriptif dan statistik dengan menggunakan program komputer Microsoft Excel dan SPSS version 16.0. Proses pengolahan data meliputi coding, entry, editing, cleaning, dan analisis data. Analisis statistik yang dilakukan adalah uji beda t, Mann Whitney, uji korelasi Pearson, dan uji korelasi Rank Spearman.
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Judul: Thermal Characteristics and Dynamics of Tropical Cyclone over Western North Pacific Ocean: A Case Study of Typhoon Songda (Chedeng) 2011
Abstrak: The frequent occasion of Tropical Cyclone (TC) over Western North Pacific (WNP) Ocean lies from 10˚N to 26˚N and 121˚E to 170˚E. Sources of TC development come from warm ocean temperature where latent heat is released during condensation processes and subsequently concentrated in the boundary layer. Relative humidity at 850-700 hPa is responsible to produce the most intense storm. Meanwhile, weak vertical wind shear between 850-200 hPa is one of the dynamical factors that lead to the development of TC. Pressure level of 850-200 hPa is chosen to minimize the thermodynamic effect in the lower troposphere. Typhoon Songda (Chedeng in the Philippines) or TSC lasted from May 18th to 30th, 2011 and strengthened into powerful Super Typhoon stage between May 24th and 27th. Long curving track and the exhibition of all sequences of TC life cycle, TSC is then considered as an ideal case of TC. The objective of the study with case of TSC is to investigate the role of thermal characteristics and dynamics on TC intensity. The research is carried out by using Advanced Research of Weather Research and Forecasting model (WRF ARW model) version 3.3. Two domains are employed in the model. The first domain situate from 02˚N to 40˚N and 118˚E to 149˚E and cover spatial resolution () of 33.1 km. The second domain situate from 09˚N to 27˚N and 119˚E to 132˚E with of 11 km. Timestep of the model () is 120 seconds. The model is supported by the following physical parameterization, i.e., Yonsei University Scheme (YSU) in the boundary layer, Kain-Fritsch scheme (KF) in the cumulus, and WRF Single-Moment 3-class scheme in the microphysics. Initial meteorological condition prior to the formation of the cyclone is generated using WRF ARW standard-release model. Sensitivity of the model output is obtained from a selected single-parameter change scenarios, namely, 10 % to 20 % decrease and increase of wind shear initial data at 850-200 hPa, and by 10 % to 20 % decrease of relative humidity initial data at 850-700 hPa. The result showed that the negative correlations between wind shear and intensity are found in wind shear scenarios. Wind shears of 10 ms-1 which lead to strengthening of the wind intensity in the early period of Typhoon development are found in wind shear scenarios. The effect of wind shear changes on wind intensity is statistically significant in the 20 % wind shear scenarios. During mature stage, weak wind intensity occurred when wind shear increase as given in the WRF standard-release and the 20 % decreasing scenario. Different situation is found in the 20 % increasing scenario where wind shear tend to weak and lead to strong wind intensity at this stage. Meanwhile, the reduction of moisture supply at 850-700 hPa resulting from 20 % decreasing relative humidity play a major role in the weakening of wind intensity and reduces mechanical energy of the cycle process as much as 300 J kg-1.
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