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Okik Hendriyanto Cahyonugroho
University Of Pembangunan Nasional Veteran Jawa Timur
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EVALUASI SISTEM DRAINASE DI WILAYAH KECAMATAN WARU, KABUPATEN SIDOARJO DENGAN SOFTWARE HEC-RAS Astika, Maeza Nurrisma; Cahyonugroho, Okik Hendriyanto
Envirous Vol. 1 No. 1 (2020): Jurnal Envirous
Publisher : UPN "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/envirous.v1i1.19

Abstract

Penerapan sistem drainase konvensional yang memiliki prinsip mengalirkan air secepat-cepatnya ke badan air tidak efektif dikarenakan mengurangi kesempatan meresapnya air ke dalam tanah. Oleh karena itu diperlukan melakukan evaluasi terhadap dimensi saluran drainase eksisting di beberapa wilayah Kecamatan Waru untuk mengetahui debit air hujan yang dapat ditampung. Dalam penelitian ini dilakukan analisis secara teknis dan program. Analisis secara program menggunakan software HEC-RAS 5.0.7 yang dapat mensimulasi tinggi genangan di atas saluran drainase. Hasil dari analisis dan evaluasi, terdapat 23 saluran yang tergenang dari 52 saluran yang dianalisis. Saluran yang tergenang pada bagian hulu dan hilir sebanyak 7 saluran dan saluran yang tergenang hanya pada bagian hilir sebanyak 16 saluran. Penanggulangan banjir di Kecamatan Waru dapat dilakukan dengan normalisasi saluran terhadap genangan air yang besar dan tinggi dengan cara memperbaiki penampang saluran yang tidak dapat menampung debit limpasan.
Analysis of CO2 Emission Generation in the Transportation and Mining Sector in Banawa District, Donggala Regency Amini, Novira Putri; Cahyonugroho, Okik Hendriyanto
Jurnal EnviScience (Environment Science) Vol. 7 No. 2 (2023)
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jev.v7i2.611

Abstract

Donggala Regency is an area traversed by a national road connecting two provinces in Sulawesi and is also the largest supplier of class C minerals in Indonesia. Both sectors are contributors to CO2 emissions in the air. It is necessary to carry out an emissions inventory to provide an overview of air quality and an indication of air condition in the environment. The primary purpose of an emissions inventory is to analyze the sources of exhaust gases that emit pollutants into the atmosphere. This study aims to provide an inventory of CO2 emissions from the transportation and mining sectors in Banawa District, Donggala Regency using the IPCC. The results showed that the CO2 emissions generated from the transportation and mining sectors at the research location amounted to 5,401.11 tons∙year-1. The types of vehicles that produce the most CO2 are minibuses and motorcycles. The generation of CO2 emissions in the mining sector is not that large because the location and heavy equipment used do not have large quantities.
Pemodelan Pola Persebaran Emisi NOx Dari Pembakaran Kiln Industri Keramik di Mojokerto Menggunakan Software GRAL (Graz Lagrangian Model) Stalis, Ahmad Nazil; Cahyonugroho, Okik Hendriyanto
Jurnal EnviScience (Environment Science) Vol. 9 No. 1 (2025): The Environment In Global Health Governance:An Analysis of Environment-Related
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/jev.v9i1.652

Abstract

Widespread industrial activities pose a significant threat to air quality. This research focuses on the dispersion of the ceramic industry on air quality, particularly from the kiln combustion process. The objective of this study is to analyze the pattern of NOx emissions dispersion around the ceramic industry. The air quality parameter under investigation is the concentration of NOx as the primary indicator of air pollution. Primary data was obtained from laboratory testing on kiln chimneys, and meteorological data was acquired from secondary sources, namely NASA Power. The modeling method applied involves the use of GRAL (Graz Lagrangian Model) software. The research results visualize the NOx dispersion pattern in the study area, with wind speed and direction significantly influencing it. Monitoring at 10 predetermined points yielded values below the ambient air quality standard of 200 µg/m3. The highest concentration value occurred at point 1, with a NOx concentration of 36.1 µg/m3, and the lowest concentration occurred at point 4, at 1.4 µg/m3. These findings provide in-depth insights into the impact of the ceramic industry on the surrounding environment. The research confirms that kiln combustion activities in the ceramic industry contribute to a decrease in air quality in the surrounding region. The GRAL modeling method offers a better understanding of emission dispersion patterns. Aktivitas industri yang meluas mengancam kualitas udara secara signifikan. Penelitian ini memfokuskan pada persebaran industri keramik terhadap kualitas udara, khususnya dari proses pembakaran kiln. Tujuan penelitian ini adalah menganalisis pola persebaran emisi NOx di sekitar industri keramik. Parameter kualitas udara yang diteliti adalah konsentrasi NOx sebagai indikator utama polusi udara. Data primer diperoleh dari pengujian laboratorium pada cerobong kiln dan data meteorologi diperoleh dari sumber sekunder, yaitu NASA Power. Metode permodelan yang diterapkan adalah menggunakan perangkat lunak GRAL (Graz Lagrangian Model). Hasil penelitian memvisualisasikan pola dispersi NOx dalam area penelitian, dengan kecepatan dan arah angin memiliki pengaruh signifikan. Pemantauan pada 10 titik yang telah ditentukan memiliki nilai dibawah baku mutu udara ambien yaitu sebesar 200 µg/m3. Nilai konsentrasi tertinggi terjadi di titik 1 dengan nilai konsentrasi NOx sebesar 36,1 µg/m3 dan konsentrasi terendah  terjadi di titik 4 yaitu sebesar 1,4 µg/m3. Temuan ini memberikan wawasan yang mendalam tentang dampak industri keramik terhadap lingkungan sekitar. Penelitian ini menegaskan bahwa aktivitas pembakaran kiln dalam industri keramik berkontribusi pada penurunan kualitas udara di wilayah sekitarnya. Metode permodelan GRAL memberikan pemahaman yang lebih baik tentang pola persebaran emisi. 
Co-Authors Amini, Novira Putri Astika, Maeza Nurrisma Clever, Mahendra Euis Nurul Hidayah Grace Claudia Anastasia Hardiyanto, Rachmat Yuda Imroatul Mufidah Indah Fitriana Solichah Kindriari Nurma Wahyusi Murti, Restu Hikmah Ayu Nafi'ah, Chia Fifin Nisa', Syadzadhiya Qothrunada Zakiyayasin Novembrianto, Rizka Pandriratri, Purnasari Praditya Sigit Ardisty Sitogasa Purnomo, Yayok Suryo Rachmanto, Tuhu Agung Redatu Putri, Yolanda Aprian Rosariawari, Firra Stalis, Ahmad Nazil