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Asep Saefullah
Department Of Physics Education, Faculty Of Teacher Training And Education, Universitas Sultan Ageng Tirtayasa, Serang
Agriculture, Biological Sciences & Forestry Astronomy Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Other

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Journal : Newton-Maxwell Journal of Physics

 1 
Analisis Vertical Wind Shear pada Pertumbuhan Awan Cumulonimbus di Wilayah Kabupaten Tangerang Prisma Ayu Kholiviana; Yayat Ruhiat; Asep Saefullah
Newton-Maxwell Journal of Physics Vol. 3 No. 1: April 2022
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (560.72 KB) | DOI: 10.33369/nmj.v3i1.21080

Abstract

Awan cumulonimbus merupakan jenis awan berbahaya yang dapat menimbulkan cuaca ekstrim seperti hujan deras, kilat dan guruh. Jenis angin yang dapat mempengaruhi adanya awan cumulonimbus adalah Vertical wind shear, dengan adanya angin ini dapat menentukan jenis badai yang terjadi. Apakah termasuk kedalam badai dengan intensitas yang hebat atau tidak. Karena semakin besar Vertical wind shear akan semakin besar juga intensitas badai yang terjadi akibat adanya awan cumulonimbus. Untuk mengetahui keterkaitan Vertical wind shear pada pertumbuhan awan cumulonimbus maka diadakannya penelitian ini  menggunakan metode data cuaca permukaan dan menggunakan metode data cuaca permukaan ini kemudian diolah menggunakan Minitab dan Wind Rose. Setelah di analisis dan diolah menggunakan beberapa software dan perhitungan menggunakan dry adiabatic lapse rate dapat ditemukan terjadinya Awan cumulonimbus yang disertai intensitas curah hujan klasifikasi sedang terdapat pada tanggal 24 Februari 2020 dengan arah angin terbanyak dari sebelah barat yang secara topografi wilayah Kabupaten Tangerang berbatasan langsung dengan Kabupaten Serang dan Lebak, Banten. Hasil pengujian menggunakan software minitab dan juga windrose yang memanfaatkan data cuaca permukaan di Stasiun Meteorologi Budiarto Curug, terbentuknya awan cumulonimbus hingga terjadi hujan memiliki variasi arah angin yang berubah-ubah dari sudut 45? sampai dengan 124? menandakan adanya arah angin yang berubah-ubah dan menimbulkan terjadinya awan cumulonimbus. Suhu yang terukur pada bola kering atau disebut dengan suhu saat ini menunjukkan nilai 21,9? C sampai dengan 30,8? C mengalami penurunan suhu akibat terjadi hujan. Hujan yang terjadi akibat adanya awan cumulonimbus berlangsung selama 2 jam, dengan intensitas curah hujan sebesar 118,6 mm dan dikategorikan sebagai hujan sedang.
Pemetaan Distribusi Curah Hujan Rata-Rata Menggunakan Metode Isohyet di Wilayah Kabupaten Tangerang Lutfiah Nurhijriah; Yayat Ruhiyat; asep saefullah; Diana Ayu Rostikawati
Newton-Maxwell Journal of Physics Vol. 3 No. 2: Oktober 2022
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (589.555 KB) | DOI: 10.33369/nmj.v3i2.23100

Abstract

The purpose of this study was to obtain information related to the distribution mapping of average rainfall in the Tangerang Regency area. Hydrological analysis is needed in determining the average rainfall in an area, one of which is by using the Isohyet method. The isohyet method is a method of making a connecting line that brings together points of the same rain depth. The research was conducted by analyzing rainfall data in the Tangerang Regency area in the last five years, namely the period 2016 to 2020. The research data were obtained from three observation stations, namely: 1. Budiarto Curug Meteorological Station, 2. Pondok Betung Climatology Station, and 3. Ciputat Region II BMKG Station.  This research was conducted in two activities, namely: 1. Rainfall data collection, and 2. Data processing using Minitab and ArcGIS applications. Based on the results of processing rainfall data for the 2016-2020 period at three observation stations, the P-Value was 0.115 and the Kolmogorof Smirnov test value was 0.103 for heading 1, P-Value was 0.115 and the Kolmogorof Smirnov test value was 0.103 for heading 2, and P-Value < 0.010 and the Kolmogorof-Smirnov test value of 0.195 for heading 3. The results of the calculation of rainfall from the three observation posts show that the rainfall in the Tangerang Regency area is normally distributed. The results of the rainfall mapping using the Isohyet method also show that the rainfall in the Tangerang Regency area is evenly distributed.
Impact of ENSO on Cloud Distribution and Rainfall Variability in Tangerang Regency Susiliawati Susiliawati; asep saefullah; Yayat Ruhiat
Newton-Maxwell Journal of Physics Vol. 5 No. 2: Oktober 2024
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/nmj.v5i2.33177

Abstract

A type of climate variation in the Pacific Ocean known as El Niño Southern Oscillation (ENSO) is defined by an increase in sea surface temperature (SST) in the Central and Eastern equatorial areas, which affects the amount of rainfall that falls and increases. In Indonesia, the rainy season typically persists from October to March, whereas the dry season persists from April to September.  Research on the influence of ENSO on rainfall has been carried out in several areas, but has not been carried out in the Tangerang area. This study aims to ascertain how the ENSO phenomena affect rainfall fluctuations and cloud distribution in the Regency of Tangerang. The secondary data, which includes information on rainfall, cloud cover, wind direction, and speed, was acquired from BMKG Meteorology Budiarto. In addition, data from the Australian Bureau of Meteorology (BOM) website's Southern Oscillation Index (SOI) was used. Surface weather analysis and Pearson correlation analysis are the data analysis techniques used. The results presented that based on surface weather study, ENSO events had a consequence on cloud distribution in Tangerang Regency. The clouds lead when the ENSO phenomenon occurs, namely Cumulus and Nimbostratus clouds with a 4-8 octa cloud cover. Meanwhile, the correlation test results show that ENSO influences seasonal and annual rainfall variations in the district of Tangerang.  The largest correlation between SOI and annual rainfall occurred in 2015 with a correlation value of r-0.84 (very strong). Meanwhile, the greatest correlation between SOI and seasonal rainfall occurred in July-September with a correlation value of r=0.67 (strong).
Co-Authors Aditya Rakhmawan Amalia Fitriyani Amin Hasan Andri Suherman Andri Suherman Andri Suherman Anisa Umu Salamah Annisa Mokoagow Anti Dhamayanti Fauzi Astried Naomi Attin Farrini Cahyahatini Aulia Ahadillailah Ayuni Ayuni Bayu Fadhliana Firdaus Clara Dwi Lestari Simbolon Daryanti Wahyu Lestari Dedy Khaerudin Dewi Inda Dian Fitriani Diana Ayu Rostikawati Diana Ayu Rostikawati Diana Ayu Rostikawati Diana Ayu Rostikawati Diana Ayu Rostikawati Dinda Aulia Oktaviana Dini Aliani Eka Afriyana Ervin Mardina Fajar Rizki Setiawan Fikriyah Hasanah Ganesa Antarnusa Hayin Rosdiana Ika Puspitasari Indah Juwita Sari Ipah Fitra Syafira Irnanda Sabila Rizki Jeni Pertiwi Liska Berlian Lutfiah Nurhijriah Mifa Maulida Mohammad Fakhturrokhman Muhammad Agis Muhammad Aunurrofiq Muhammad Raflia Mutiara Syahfitri Sari Nisa Ul Istiqomah Nulhakim, Lukman Prisma Ayu Kholiviana Putri Ayu Permatasari R. Ahmad Zaky El Islami Rahmat Firman Septiyanto, Rahmat Firman Ratu Ruqoyah Resty Dwi Arsy Resty Dwi Asry Resty Dwi Asry Rina Akbar Batani Riska Tri Utami Robby Zidny Rosminah Rosminah Rt. Bai Rohimah Saolisa R Seno Indriyanto Shabrina Nur Dini Shafira Pratiwi Siti Fatimah Siti Fatimah Siti Munawaroh Siti Susanti Suci Legowo Susiliawati Susiliawati Vaka Gustiono Yarti N. Dorti Yayat Ruhiat Yayat Ruhiat Yayat Ruhiyat Yayat Ruhiyat Yudi Guntara Yuvita Oktarisa