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All Journal Erudio: Journal of Educational Innovation Natural B
Sukir Maryanto
Jurusan Fisika, Fakultas MIPA, Universitas Brawijaya, Malang
Education Environmental Science

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PEMANFAATAN ALAT PERAGA UNTUK PROSES PEMBELAJARAN FISIKA DI SLTA (Studi Persepsi Guru-guru Fisika SLTA di Kabupaten Lombok Timur) Gancang Saroja; Ahmad Nadhir; Sukir Maryanto; Didik Rahadi Santoso; Setyawan P. Sakti
Erudio Journal of Educational Innovation Vol 2, No 2 (2014): ERUDIO (JOURNAL OF EDUCATIONAL INNOVATION)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (53.825 KB)

Abstract

Proses pembelajaran ilmu Fisika akan lebih menarik dan mudah dipahami siswa jika didukung dengan kegiatan praktikum dan eksperimen di laboratorium. Terkait dengan keterbatasan sarana laboratorium sekolah di SLTA Kabupaten Lombok Timur, Tim Pengabdian  jurusan Fisika UB melakukan kegiatan pelatihan pembuatan alat peraga fisika bagi para guru-guru fisika.Dalam penelitian ini dilakukan studi persepsi, dimana kepada para peserta diberikan angket sebelum dan setelah kegiatan. Kriteria-kriteria yang digunakan adalah pengukuran tingkat relevansi materi kegiatan yang di sampaikan terhadap kebutuhan guru, pengukuran tingkat kepuasan dari guru yang berperan sebagai peserta, serta umpan balik dan saran dari guru peserta pada tim pengabdianHasil studi menyatakan bahwa materi kegiatan sangat relevan terhadap kebutuhan guru-guru anggota MGMP Fisika di Kabupaten Lombok Timur. Selain itu, para peserta menyatakan bahwa kegiatan sangat memberikan manfaat bagi proses pembelajaran fisika. Sebagai umpan balik, peserta berharap adanya kegiatan yang sama di Lombok Timur dengan durasi waktu kegiatan yang lebih panjang. 
Distribution of Hot Springs Blawan-Ijen Based on Geoelectrical Resistivity Data Ika Karlina Laila Nur Suciningtyas; Sukir Maryanto; Arif Rachmansyah
Natural B, Journal of Health and Environmental Sciences Vol 2, No 2 (2013)
Publisher : Natural B, Journal of Health and Environmental Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1406.566 KB) | DOI: 10.21776/ub.natural-b.2013.002.02.11

Abstract

Geothermal energy is a source of heat that occurs naturally in the subsurface. One of the geothermal potential in East Java is in the Blawan that known as geothermal Blawan - Ijen. To find a geothermal potential of an area we have to do some research on subsurface conditions. Research using geoelectric resistivity method has been performed to estimate the distribution of hot springs. The study, conducted in May 2013 showed that there are 21 hot springs manifestations in Blawan - Ijen. Each of these hot springs have a temperature less than 50 °C. Data of geoelectric resistivity divided into 3 parts, resistivity values less than 40 ohm.meter indicated by the color blue , the color green for the resistivity value between 40-1280 ohm.meter and the color orange for values more than 1280 ohm.meter. Geothermal distribution that contained in Blawan is diffused follow existing fracture. Direction of hot springs are heading to the Northeast that following the river flow. The heat carrier layer is permeable layer that have resistivity values less than 40 ohm.meter.
Determination of Internal Structure of Semeru Volcano Based on Seismic Attenuation Imagery Hena Dian Ayu; Adi Susilo; Sukir Maryanto; Muhamad Hendrasto
Natural B, Journal of Health and Environmental Sciences Vol 2, No 2 (2013)
Publisher : Natural B, Journal of Health and Environmental Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1429.936 KB) | DOI: 10.21776/ub.natural-b.2013.002.02.8

Abstract

Characteristic of medium could be defined by physical parameters such as seismic velocity and attenuation. Amplitude, hyocentral distance, frequency and attenuation coefficient is required to determine the Q-factor value  or attenuation in effort on imaging the internal structure. In this study, we used volcanic earthquakes data of Semeru Volcano recorded 2009 that consist 54 seismogram (24 A-type volcanic earthquakes and 24 explosion volcanic earthquakes. The Q-factor value of A-type volcanic earthquakes is 4 - 392 or about 78,87 and the Q-factor value of explosion volcanic earthquakes is 4 - 288 or about 51,39. In term of the image quality, it can be seen that the attenuation on Jongring Seloko active caldera and under Jongring Seloko have low attenuation value or high Q-factor value thas was called the zone beneath. The zone beneath is interpreted to associated with hot material that may indicate the magma chamber that  concentrated in the depth interval of 1-1,8 km from the top of Semeru Volcano. The zone beneath have structural trends on West-East-Southeastern-South sector out the volcano. The internal structure of Semeru Volcano is predominance of sedimentary rocks, sandstone and rocks with gas in pore space. Although in some deep layer have internal structure as metamorphic rocks and igneous rock.
Co-Authors Adi Susilo Ahmad Nadhir Arif Rachmansyah Didik Rahadi Santoso Gancang Saroja Hena Dian Ayu Ika Karlina Laila Nur Suciningtyas Muhamad Hendrasto Setyawan P. Sakti