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All Journal Indonesian Journal of Geography OPSI Jurnal RISET Geologi dan Pertambangan Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Jurnal Mineral, Energi dan Lingkungan Forest and Society J SIG (Jurnal Sains Informasi Geografi) JURNAL GEOGRAFI Geografi dan Pengajarannya Jurnal Mineral, Energi dan Lingkungan Jurnal Penelitian Geografi (JPG) Jurnal Meteorologi dan Geofisika Journal of Engineering and Technological Sciences Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Management Research)
Andung Bayu Sekaranom
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Physics Social Sciences

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RAINFALL PROJECTIONS USING CMIP6 SCENARIOS IN THE CIRARAB WATERSHED Hidayah, Kuny; Sekaranom, Andung Bayu; Suprayogi, Slamet
JURNAL GEOGRAFI Geografi dan Pengajarannya Vol 23 No 2 (2025): JURNAL GEOGRAFI Geografi dan Pengajarannya
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jggp.v23n2.p317-338

Abstract

Climate change has been identified in the Cirarab watershed by looking at records of extreme rainfall events. This study aims to develop a scenario of climate change impacts at the watershed scale, especially from the aspect of changes in rainfall patterns in the Cirarab watershed until 2050. This research uses a descriptive quantitative method with a spatial-temporal approach, using secondary data obtained from the official databases of BMKG, CMIP6, and relevant literature. The analysis technique used is statistical downscaling. The results stated that based on climate change scenarios, the annual rainfall pattern in the Cirarab watershed remains stable with a monsoon climate type, marked by a single peak in the rainy season. Spatial variations in monthly rainfall are minimal due to the watershed’s flat topography. However, rainfall variability during the rainy season leads to a temporal shift in the peak, indicating changes in rainfall timing despite overall pattern stability. Keywords: Cirarab Watershed, Climate Change, CMIP6
Dynamic modeling in environmental planning: A global synthesis of research addressing urban air quality Santoso, Dian Hudawan; Santosa, Sri Juari; Sekaranom, Andung Bayu
OPSI Vol 18 No 2 (2025): OPSI - December 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v18i2.15177

Abstract

This research constitutes bibliometric analysis about the utilization of System Dynamics (SD) in mitigating air pollution. This project aims to investigate the use of system dynamics models in simulating and assessing urban transportation regulations, industrial emissions, and the incorporation of cleaner technology. The applied methodology encompasses a synthesis of current studies and the execution of bibliometric analysis to discern trends, prominent academics, and the most impactful papers in this domain. An exhaustive analysis of the current literature uncovered several significant findings. Investments in public transportation, the introduction of fuel taxes, and the advancement and deployment of sophisticated car technologies are recognized as essential solutions for mitigating air pollution. Case studies from places such Greater Cairo, Kuwait, Tehran, and Mexico City illustrate the efficacy of SD in forecasting long-term environmental consequences and facilitating adaptive policy.This research primarily contributes to the visualisation of the intellectual framework of the research domain, the identification of keyword clusters, and the elucidation of links between topics that may have previously lacked obvious mapping.  This research addresses a methodological deficiency by clearly illustrating how the combination of quantitative bibliometric analysis and systematic review can enhance comprehension of the developmental dynamics within a scientific subject.
Linking Surface Water Content to Groundwater Levels in Tropical Peatlands: Insights from the van Genuchten Approach Putri, Atfi Indriany; Danoedoro, Projo; Sulaiman, Albertus; Sekaranom, Andung Bayu
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 16 No 1 (2026): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.16.1.65

Abstract

Tropical peatland in Indonesia have always been characterized by Peat Hydrology Units which have a function as a large amount of carbon storage and are able to regulate the hydrological cycle naturally. This study has two objectives, namely to analyze the variability of SWC, GWL, and rainfall parameters, to be able to understand the patterns of hydrological interactions in peatlandecosystems and to explain the quantitative relationship between SWC and GWL parameters using the van Genuchten Equation (VG) approach. The study also uses a VG based soil hydraulic curve modeling approach to describe groundwater retention and its impact on groundwater surface dynamics. The results showed that the SWC value was significantly influenced by the depth of theGWL and the intensity of rainfall, this underlined that the relationship between the two parameters is reciprocal. In addition, understanding the relationship between these parameters is very important, since the SWC value greatly determines the moisture status of the peat surface, in addition to directly the SWC value also affects the susceptibility of peat fires, while the GWLregulates the long-term hydrological balance and carbon emission potential. Therefore, conducting this study can improve understanding of hydrological feedback in peatlands. The results of the correlation analysis between parameters in this study showed that there was a strong relationship between SWC and GWL (R² = 0.6–0.8), while the correlation between GWL and Rainfall was weak(R² = 0.1–0.2). This suggests that SWC variation is primarily influenced by groundwater fluctuations rather than precipitation.
Penggunaan Data Unmanned Aerial Vehicle (UAV) untuk Pembuatan Data Geometrik dalam Pemodelan Banjir Sungai (The Use of UAV Data for Creating Geometric Data in Riverflood Modeling) Wahyu Wisnu Wijaya; Slamet Suprayogi; Andung Bayu Sekaranom; Hendy Fatchurohman
Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Management Research) Vol 8 No 1 (2024): Jurnal Penelitian Pengelolaan Daerah Aliran Sungai (Journal of Watershed Manageme
Publisher : Asosiasi Peneliti dan Teknisi Kehutanan dan Lingkungan Hidup Indonesia (APTKLHI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/jppdas.2024.8.1.17-38

Abstract

In the last 10 years, flood modeling has been used to describe the geospatial phenomenon of flooding in an area. Flood modeling analysis uses river geometric data as one of the inputs. River geometric data is obtained through image analysis and Digital Elevation Model data derivatives. Accuracy in creating river geometric data influences the modeling results. The limitations of both high cost and the influence of weather conditions from satellite data sources made photogrammetry techniques using UAV drones increasingly popular. This research aims to: 1). Create orthophotos and DEM with high accuracy of the location of flood areas, 2). Creating river geometric data for flood modeling, and  3). Modeling river floods with HEC-RAS software. This research uses Agisoft Photoscan software to process the resulting aerial photos. The results of testing the accuracy of DEM and orthophoto data obtained a vertical accuracy/ Linear Error (LE90) value of 1.029 m and a horizontal accuracy/ Circular Error (CE90) value of 0.214 m. The resulting orthophoto and DEM have high accuracy so they can be used as input in the modeling process. The result of high-resolution model will be able to provide a quick and accurate picture of geospatial phenomena. The flood model produced using HEC-RAS software shows that floods inundate an area of 120.14 ha in a return period of 2 years and 203.21 ha in a return period of 50 years.
Co-Authors Abidin, Pramuditya Vanesya Putri Febrian Ahmad Cahyadi **) Albertus Sulaiman, Albertus Astuti, Bernadetta Indri Dwi Danang Sri Hadmoko Dian Hudawan Santoso Emilya Nurjani Fawzia, Annisa Ayu Firmansyah, Anugrah Jorgi Hendy Fatchurohman Hidayah, Kuny Muh. Aris Marfai Naim, Asshaffa Nasution, Mulia Oktaviani, Malinda Budi Prabowo, Andriyas Aryo Pratama, Ilham Diki Prima Widayani Projo Danoedoro Putri, Atfi Indriany Santoso, M.Sc, Dian Hudawan Setyaningrum, Etik Setyawan Purnama Slamet Suprayogi Slamet Suprayogi Sri Juari Santosa Utia Suarma Wahyu Wisnu Wijaya Wirayuda, I Kade Alfian Kusuma Zerlinda, Aurelia