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All Journal Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat INFOMATEK: Jurnal Informatika, Manajemen dan Teknologi Serambi Engineering International Journal of Mathematics, Statistics, and Computing
Irmansyah, Athaya Zahrani
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Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Public Health

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PENDAMPINGAN USAHA KECIL DALAM PENGGUNAAN MEDIA SOSIAL UNTUK PENINGKATAN PROFIT DAN PRODUKTIVITAS USAHA Chaerani, Diah; Perdana, Tomy; Rusyaman, Endang; Gusriani, Nurul; Firdaniza, Firdaniza; Balqis, Viona P; Irmansyah, Athaya Zahrani; Muslihin, Khoirunnisa R A; Ghiffari, Alif Muhamad
Dharmakarya Vol 12, No 3 (2023): September, 2023
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/dharmakarya.v12i3.43472

Abstract

Masalah utama yang diselesaikan dalam PPM Internal Unpad 2022 ini adalah bagaimana memberikan pendampingan pada usaha kecil yang ada di masyarakat untuk dapat membuka usaha secara online dan menggunakan internet atau smartphone  melalui media social sebagai upaya peningkatan manajemen usaha pada unit usaha yang telah berjalan, khususnya pada masa pandemi Covid-19 ini.  Dasar pemikiran merujuk pada kondisi bahwa media sosial telah berevolusi untuk menjadi alternatif cara berkomunikasi dan berbagi informasi serta ketertarikan. Indonesia merupakan negara keempat dengan jumlah pengguna internet terbesar. Pertumbuhan pesat dari sosial media beserta jaringannya terutama di negara-negara berkembang membuka lahan baru untuk adanya kontak antara produsen dan konsumen.Kontak antara produsen dan konsumen inilah yang biasanya dikenal dengan kegiatan berbelanja secara online. Keterkaitan antara penggunaan sosial media dengan kegiatan online shopping sangat erat.Untuk menganalisis data media sosial diperlukan pengetahuan yang dalam mengenai teknologi Internet, media sosial, basis data, struktur data, teori informasi, penambangan data, pembelajaran mesin, sampai kepada teknik visualisasi data dan informasi. Analisis media sosial bertujuan untuk pengembangan dan evaluasi informasi serta mengumpulkan, mengevaluasi, menganalisis, menyimpulkan, dan memvisualisasikan data dari media sosial. Analisis media sosial adalah proses untuk melihat, analisis, mengukur, dan prediksi interaksi digital, relasi, topik, ide-ide atau konten pada media sosial. Selanjutnya dalam rangka mendukung perkembangan perekonomian bangsa, diharapkan pendampingan ini dapat membantu para pelaku usaha kecil dalam bersosial media dalam hal peningkatan profit dan produktivas usaha. Lokasi PPM dipilih Desa Jatimukti yang terletak sekitar 5 KM dari Kampus Unpad Jatinangor.
Identification of Heavy Metal Concentration in Citarum River Water Using the Heavy Metal Pollution Index Method Wardhani, Eka; Wulan, Diana Rahayuning; Velda, Nazla Amaliyah; Nugraha, Willy Cahya; Rohman, Oman; Irmansyah, Athaya Zahrani
Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan Vol 21, No 3 (2024): November 2024
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/presipitasi.v21i3.812-824

Abstract

The Citarum River is the largest and longest river in West Java Province. The basin in that location has influenced by human activities and the industrial sector. One of the hazardous pollutants contained in industrial wastewater is heavy metals. This study aims to identify the content of dissolved heavy metals (Fe, Cd, Cr, Cu, Hg, Pb, and Zn) in Citarum River water, Purwakarta Regency, at three observation points, namely Jatiluhur Reservoir Outlet, Cilalawak Bridge, and Cilele Bridge. The Atomic Absorption Spectrophotometry Method is used to analyze the dissolved heavy metals. Determination the level of metal contamination using the Heavy Metal Pollution Index (HPI) method. The study results that three metals exceeded the standard based on Government Regulation 22 of 2021 Class II, namely Fe, Hg, and Zn. Fe metal in the range between 0.277-1.179 mg/L, Hg metal between 0.011-0.100 mg/L, and Zn metal between 0.017-0.074 mg/L. HPI analysis showed that at three points in both sampling periods, it indicated that heavy metals highly polluted river water because the results obtained exceeded the HPI pollutant index, which was > 100. The biggest contribution of dissolved heavy metals in the Citarum River water body was dominated by the Hg parameter
Perencanaan Kolam Retensi di Perumahan Dalam Upaya Penerapan Konsep Drainase Berwawasan Lingkungan Wardhani, Eka; Kurnia, Indrianti; Irmansyah, Athaya Zahrani
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Cirebon Regency is experiencing flood and drought problems where this area is experiencing a change in land use from green areas to housing due to population growth. This change causes a decrease in the land's ability to absorb water and an increase in water runoff. This research aims to analyze the application of environmentally friendly drainage with retention ponds to overcome this problem. The case study was conducted in a new housing complex with an area of 49.2 ha. The design method of the retention pond is related to the Directorate General of Human Settlements. The results of the research at the site required three retention ponds with a volume of 3,543.60 m3, 4,443.30 m3 and 2,303.40 m3. The efficiencies of reducing runoff water for each pond are 32%, 37%, and 21%. The total reduction efficiency of the three ponds is 90%. The remaining 10% of the runoff water goes into the drainage canal. If you want to implement zero waste, the remaining runoff water can be captured by building absorption wells at several points. The application of this environmentally friendly drainage concept has the effect of reducing runoff water and increasing infiltration water.
Application of Pure Birth to the Phenomenon of Covid-19 Infected Cases in Indonesia with A Time Interval (0, 24) Hours from June to September 2020: Application of Pure Birth to the Phenomenon of Covid-19 Infected Cases in Indonesia with A Time Interval (0, 24) Hours from June to September 2020 Irmansyah, Athaya Zahrani
International Journal of Mathematics, Statistics, and Computing Vol. 1 No. 3 (2023): International Journal of Mathematics, Statistics, and Computing
Publisher : Communication In Research And Publications

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijmsc.v1i3.3

Abstract

Since the emergence of the 2019 novel coronavirus (2019-nCoV) in Wuhan City, China, in 2019, many countries in the world have been infected with the virus with very serious cases. This has caused a slump, especially for Indonesia, with a lower-middle-class society of 115 million people or 45% of the total population. The virus's rapid spread through droplets resulted in the Indonesian government implementing a lockdown called Large-scale Social Restrictions within months. This system is an effort to break the chain of virus spread. A pure birth process can be called a stochastic process with a continuous parameter space and a discrete state space. This research will focus on the application of the Pure Birth Process, which is expected to provide scientific studies on Covid-19 in Indonesia, become a new reference for the development of mathematics, and provide information on research results so that they can be used in policymaking to overcome and overcome the spread of Covid-19. 19. At the end of this study, it was known that the spread of Covid-19 in Indonesia was very drastic, which had a rate of increase in cases as big as a person/hour or person/day, which is a very significant increase. Based on calculations using Pure Birth, it is hoped that it can be used in policymaking for the government and the community to overcome and overcome the spread of Covid-19.
Systematic Literature Review: Dampak Merkuri Terhadap Tanah pada Penambangan Emas Skala Kecil dengan Mercury Analyzer Ali, Fauzan; Wardhani, Eka; Irmansyah, Athaya Zahrani
INFOMATEK Vol 27 No 1 (2025): Juni 2025
Publisher : Fakultas Teknik, Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/infomatek.v27i1.22545

Abstract

Penambangan emas skala kecil (PESK) merupakan aktivitas yang memiliki dampak signifikan terhadap lingkungan, terutama melalui pencemaran merkuri (Hg) pada tanah. Penelitian ini bertujuan untuk menganalisis dampak merkuri yang dihasilkan dari aktivitas PESK menggunakan pendekatan Systematic Literature Review (SLR). Metode yang digunakan mencakup pencarian artikel dengan kata kunci spesifik di empat basis data (Scopus, ScienceDirect, Dimensions, dan Google Scholar), serta analisis bibliometrik menggunakan aplikasi Mendeley dan VOSviewer. Hasil penelitian menunjukkan bahwa aktivitas PESK menyebabkan peningkatan signifikan konsentrasi merkuri dalam tanah yang berdampak pada ekosistem dan kesehatan manusia. Berbagai metode mitigasi telah diusulkan, seperti fitoremediasi dan stabilisasi/solidifikasi tanah. Keterkaitan antar kata kunci seperti “dampak merkuri”, “PESK”, dan “mercury analyzer” menunjukkan hubungan erat antara aktivitas PESK dengan pencemaran lingkungan.
Analisis Peningkatan Debit Air Larian Akibat Pembangunan Perumahan Kota Sumber, Kabupaten Cirebon Wardhani, Eka; Kurnia, Indianti; Irmansyah, Athaya Zahrani
Jurnal Serambi Engineering Vol. 10 No. 2 (2025): April 2025
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study analyzes the increase in runoff caused by residential development in Sumber, Cirebon Regency, West Java. Housing development causes land conversion into impervious areas, which reduces rainwater infiltration and potentially increases the risk of downstream flooding. This study uses the calculation of runoff discharge before and after development, the rational method to measure runoff discharge. The predicted pre-development runoff was 0.205 m³/sec, which increased to 0.685 m³/sec after the development was completed; the potential increase in runoff was 0.481 m³/sec. The results show the significant impact of the development on the increase in runoff and potential flood risk. As a solution, environmentally sound drainage practices such as detention ponds and infiltration wells were developed to reduce the impact.
Co-Authors Ali, Fauzan Balqis, Viona P Diah Chaerani Eka Wardhani Endang Rusyaman Firdaniza Firdaniza Ghiffari, Alif Muhamad Kurnia, Indianti Kurnia, Indrianti Muslihin, Khoirunnisa R A Nurul Gusriani, Nurul Rohman, Oman Tomy Perdana Velda, Nazla Amaliyah Willy Cahya Nugraha, Willy Cahya Wulan, Diana Rahayuning