Arif Rianto Budi Nugroho
Universitas Pembangunan Nasional “Veteran” Yogyakarta

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Pemodelan Bahaya Gempa Bumi Deterministik Berbasis Mikrotremor Berdasarkan Skenario Sesar Opak dan Dengkeng: Studi Kasus Kecamatan Depok, Sleman-Yogyakarta Trisnowati, Yuni Dwi; Maharani, Yohana Noradika; Budi Nugroho, Arif Rianto; Kusumayudha, Sari Bahagiarti; Suharsono, Suharsono
Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi Volume 13 Issue 1 April 2025
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/euler.v13i1.31079

Abstract

The Subdistrict of Depok, with the largest population in Sleman Regency, is a region that drives economic, social, and cultural development. This growth further increases the risk of earthquakes, given the presence of the active Opak and Dengkeng Faults. Therefore, an earthquake hazard analysis using the worst-case scenario from the Opak and Dengkeng Faults is necessary for disaster mitigation efforts. This study aims to model deterministic earthquake hazards based on microtremor data using the worst-case scenario from the Opak and Dengkeng Faults. A geophysical approach is employed in this research by applying the Horizontal-to-Vertical Spectral Ratio (HVSR) method based on microtremor measurements. The HVSR method characterizes local site effects that influence ground shaking during an earthquake. The earthquake hazard analysis at the ground surface is conducted using the Deterministic Seismic Hazard Analysis (DSHA) method, considering local site effects based on microtremor measurement data. The DSHA results indicate high Peak Ground Acceleration (PGA) values, primarily due to the influence of the Opak and Dengkeng Faults, which suggest a significant risk of damage. The findings of this study can serve as input for spatial planning and disaster risk reduction management, particularly in Depok District, Sleman Regency, Special Region of Yogyakarta.
THE CONDITION OF WATES GROUNDWATER BASIN FOR PRA TEMON INTERNATIONAL AIRPORT CONSTRUCTION KULONPROGRO DIY Purwanto, Purwanto; Budi Nugroho, Arif Rianto; Haty, Intan Paramita
Journal TECHNO Vol. 1 No. 1 (2015)
Publisher : Universitas Pembangunan Nasional Veteran Yogayakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/journal techno.v1i1.1505

Abstract

Underground water is a component in the hydrological cycle which takes place in nature,formed by rainwater that seeped into the soil in the recharge area and flew through the media layer ofrock acting as a carrier layer of water (aquifer) in ground water basin, where is under the groundleading to discharge area. Wates basin’s groundwater includes the Wates, Temon, Panjatan, Lendah,Brosot, a little part of the Sentolo and Pengasih District located in Unit Plateau of volcanics fluvio,beach units and sand dunes with the alluvial material consisting of sand, gravel, silt, and clay, flatmorphology, relative lithology and groundwater characteristics. This lithology is potential with theoccurrence of groundwater conservation system changes if there is an excessive ground waterextraction in the region which can be characterized by the increase in salinity in ground water.The main objective of this study is to fully assess the qualitative and quantitative groundwaterin the Wates Groundwater BasinBasin due to Temon International Airport construction in its relationto maintain the sustainability of groundwater systems.The methods in this study consists of several steps, starting from observation and rock’s / soildescription include: measurement of rock bedding, measurement of structural geology elements,observation of morphological conditions, and sampling soil / rock to be tested in laboratoryconcerning about the content of its mineralogy, texture and structure. The cross-section will showtheinformation of quantity / amount of groundwater that exist in the research area and the coastidentification towards the potential intrusion of sea water. The results of mineralogical analysis ofrocks and hydrochemical groundwater will provide information on the distribution of groundwaterquality. This conditions will certainly change the start of construction and post construction of theairport. Information about the mineralogical content of rocks, hydrochemical content of water andaquifer configuration will be able to contribute as an efforts in the groundwater area of InternationalAirport Temon, DIY.Keywords : groundwater, aquifer, electrolite conductivity,seawater intrusion
Impact of Housing Quality on Acute Respiratory Infections in Flood-Prone Urban Settlements: A Mixed-Methods Study in Dukuh Kupang, Surabaya, Indonesia Warasanti, Endang Susanti; Budi Nugroho, Arif Rianto; Maharani, Yohana Noradika; Purwanta, Jawa
Sanus Medical Journal Vol. 7 No. 1 (2025)
Publisher : Universitas Muhammadiyah Prof. Dr. Hamka (UHAMKA Press)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/sanus.v7i1.20426

Abstract

Penyakit jantung koroner Latar Belakang: Kualitas hunian merupakan faktor penting yang memengaruhi kesehatan pernapasan, khususnya di wilayah perkotaan rawan banjir. Di Kelurahan Dukuh Kupang, Surabaya, ventilasi buruk, kelembaban tinggi, dan kepadatan hunian diduga meningkatkan risiko Infeksi Saluran Pernapasan Atas (ISPA). Untuk mendukung intervensi kesehatan perkotaan, penelitian ini menganalisis hubungan antara kualitas hunian dan insiden ISPA.Metode: Penelitian menggunakan pendekatan mixed methods, menggabungkan survei rumah tangga pada 80 responden dari 8 Rukun Warga dengan wawancara informan kunci. Faktor-faktor seperti jenis lantai, jenis dinding, luas ventilasi, kelembaban udara, suhu ruangan, dan kepadatan hunian menunjukkan kualitas hunian. Gejala dan tingkat keparahan ISPA diidentifikasi melalui kuesioner dan catatan medis. Analisis regresi logistik digunakan untuk menguji hubungan statistik.Hasil: Sebanyak 62% rumah memiliki ventilasi tidak memadai, 55% memiliki kelembaban tinggi, dan 48,8% memiliki kepadatan hunian tinggi. Kejadian ISPA mencapai 71,3%, dengan gejala batuk (90,0%) dan demam (82,5%) paling sering dilaporkan. Ventilasi buruk berhubungan signifikan dengan ISPA (OR = 4,02; 95% CI: 1,78–9,08; p < 0,01).Kesimpulan: Risiko infeksi saluran pernapasan akut (ISPA) meningkat secara signifikan di daerah perkotaan yang rentan banjir. Studi ini menekankan pentingnya meningkatkan kondisi fisik perumahan, terutama ventilasi dan lingkungan dalam ruangan, sebagai strategi kritis dalam intervensi kesehatan masyarakat untuk mengurangi risiko ISPA di daerah-daerah rentan tersebut.   Background: In urban areas that are susceptible to flooding, the condition of housing is a critical determinant of respiratory health. In Dukuh Kupang, Surabaya, poor ventilation, high humidity, and overcrowding are suspected to elevate Acute Respiratory Infection (ARI) risk. This study investigated the correlation between the incidence of ARI and the condition of housing in order to inform urban health interventions.Methods: A mixed-methods approach was applied, combining a household survey of 80 residents from 8 neighbourhood units with key informant interviews. Housing indicators included floor type, wall type, ventilation area, humidity, temperature, and occupancy density. ARI symptoms and severity were assessed through questionnaires and clinical records. Logistic regression tested statistical associations. Results: A high occupancy density of 48.8%, 55% of houses had excessive humidity, and over 62% of houses lacked adequate ventilation.  The incidence of acute respiratory infections (ARIs) was 71.3%, with fever (82.5%) and cough (90.0%) being the most prevalent.  ARI was significantly correlated with inadequate ventilation (OR = 4.02, 95% CI: 1.78–9.08, p < 0.01).Conclusion: Urban areas that are susceptible to inundation experience a substantial increase in the incidence of acute respiratory infections (ARIs). This study emphasizes the importance of improving physical housing conditions, particularly ventilation and indoor environments, as a critical strategy in public health interventions to reduce the risk of ARI in these vulnerable areas.