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All Journal Jurnal Fisika Unand Seminar Nasional Pengabdian Kepada Masyarakat
Muhammad Arsyad
Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Makassar
Chemistry Earth & Planetary Sciences Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

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PKM bagi Guru IPA Fisika se-Kabupaten Maros Muhammad Arsyad; Helmi Helmi; Khaeruddin Khaeruddin
Seminar Nasional Pengabdian Kepada Masyarakat Vol 2019, No 2: Prosiding 2
Publisher : Seminar Nasional Pengabdian Kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (46.139 KB)

Abstract

The PKM activities carried out aim to answer the formulation of the problems, namely: (1) To design karst-based physics learning using the Student Worksheet (LKPD) (2) To Design the use of Learners (LKPD) in learning Physics Science. (3) To analyze the responses of Basic Physical Science Teachers in the implementation of PKM Activities. The method in PKM activities is in the form of problem solving which in principle is how to create and design a karst area environment as a learning resource supplemented with Student Work Sheets (LKPD). The form of problem solving offered is to provide guidance to Physics Science Teachers, in designing karst areas as a source of learning and designing LKPD in accordance with the ability of teachers at each level of the class. Some variations of the training methods are: (1) the experimental method (2) the discussion method (3) the lecture method. The results of Community Service activities obtained 1) Design of Physical Science Learning Based on Karst with Student Worksheets (LKPD) 2) The Use of Student Worksheets (LKPD) in Physics Science Learning, 79.17%, participants agreed to design karst-based learning using LKPD, 75.0% of the participants agreed to conduct experiments and prepare LKPD based on karst area, 62.50% of participants would conduct dissemination activities for other subject teachers, 66.67% of participants would give assignments to students by observing directly in Karst Areas Maros, 70.83% of participants will include this activity as a routine MGMP activity every year, 95.83% of Teachers are able to carry out karst-based Physics Learning with LKPD.
Analisis Hubungan Ketinggian Planetary Boundary Layer (PBL) dengan Surface Flux di Makassar dan Sekitarnya Juliana Tri Lestari; Eko Hadi Sujiono; Muhammad Arsyad
Jurnal Fisika Unand Vol 13, No 4 (2024)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.13.4.459-468.2024

Abstract

Planetary Boundary Layer (PBL) dipengaruhi oleh proses transfer momentum, energi, dan material antara PBL dengan lapisan permukaan. Variabel Surface fluxes meliputi Sensible heat flux (SHF) dan Latent heat flux (LHF) juga digunakan dalam mengukur tingkat transport pada proses ini. Namun, struktur PBL yang sangat kompleks menjadikan PBL sulit untuk diamati dan diidentifikasi. Fenomena Madden-Jullian Oscillation (MJO) di wilayah tropis turut andil pada kondisi atmosfer seperti pada lapisan PBL. Sehingga penelitian ini dilakukan untuk mendeskripsikan profil SHF/LHF dan PBL pada periode Madden-Julian Oscillation (MJO) kuat dan lemah di Makassar dan sekitarnya serta menganalisis hubungan antara keduanya. Penentuan ketinggian PBL dilakukan menggunakan metode Bulk Richardson Number (Rib) dan penentuan SHF dan LHF dengan metode bulk aerodinamic. SHF saat MJO kuat dan lemah pukul 12.00 UTC memiliki nilai lebih besar dibandingkan nilai pukul 00.00 UTC. Ketinggian rata-rata PBL lebih tinggi pukul 00.00 dibandingkan pukul 12.00 UTC dengan nilai sebesar 686,8 m dan 591,3 m berturut-turut. Rata-rata tahunan ketinggian PBL berkisar antara 470-1100 m. Rata-rata maksimum terjadi pada musim peralihan I (MAM) pukul 00.00 UTC, sedangkan minimumnya pada peralihan 2 (SON) pukul 12.00 UTC. Selain itu ketinggian PBL saat MJO kuat dan lemah tidak memiliki hubungan terhdap nilai SHF/LHF di Makassar dan sekitarnya.
Co-Authors Eko Hadi Sujiono Juliana Tri Lestari Khaeruddin Khaeruddin