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作者： Mohammad Farid Akbar Rizaldi Aqsha Prahitna Muhammad Syahril Badri Kusuma Arno Adi Kuntoro Hadi Kardhana Water Resources Engineering Research Group Institut Teknologi Bandung Center for Coastal and Marine Development Institute for Research and Community Services Institut Teknologi Bandung Master Program of Civil Engineering Faculty of Civil and Environmental Engineering Institut Teknologi Bandung Center for Water Resources Development Institute for Research and Community Services Institut Teknologi Bandung

Indonesia currently is facing an energy crisis due to depletion of oil reserves and rapid growth in conventional energy consumption. The declining fossil energy potential especially oil and gas has encouraged the government to put new renewable energy(NRE) as the main priority to maintain energy security for national supply in the future. NRE in Indonesia is generated from bioenergy power, hydro power, solar power, tidal power, wind power, and potential. However, NRE utilization in Indonesia is only about 11% from the total potential. This study assesses the hydropower production capacity of Ayung River Basin, the biggest Basin in Province of Bali. The assessment is carried out by utilizing global data that can be easily accessed. It was found that there are several potential mini-hydropower locations around the Ayung River Basin, with the biggest potential is around 2 MW.

关键词： Rapid Hydropower Potential Assessment for Remote Area by using Global Data

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Solar desalination: A review of recent developments in environmental, regulatory and economic issues

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Solar Compass 2023年 5卷

作者： Goosen, Mattheus Mahmoudi, Hacene Alyousef, Yousef Ghaffour, Noreddine Office of Graduate Studies Research & Innovation Alfaisal University Riyadh Saudi Arabia Faculty of Technology Hassiba Benbouali University of Chlef Algeria Water Desalination & Reuse Center (WDRC) King Abdullah University of Science & Technology (KAUST) Thuwal 23955-6900 Saudi Arabia Environmental Science & Engineering Program Biological & Environmental Science & Engineering (BESE) Division King Abdullah University of Science & Technology (KAUST) Thuwal 23955-6900 Saudi Arabia

The aim of the current study was to provide a review of recent developments in solar desalination from the viewpoint of environmental, regulatory, and economic aspects. The analysis attempted to give better insight into the larger question of why more solar desalination plants are not being established by reviewing different technologies, drivers, barriers, and markets. Critical barriers which were dependent on the level of regional development were found to be uncertainty of government subsidies and a lack of regulatory policies. A new tool called a Pareto frontier may be utilized to generate optimal points in complex scenarios with a high number of variables. This all-inclusive method should be employed in any major decision-making process. Furthermore, in exciting innovative research studies, a sustainable Janus wood evaporator was developed that overcame many of the current solar desalination problems. While subsidies were crucial in the growth of renewable energy programs, barriers in deployment of solar desalination systems still exist such as low electricity tariff structures and fragmented energy policies. The overall trend was towards integration of renewable energy with conventional sources and energy storage systems. © 2023 The Author(s)

关键词： Drivers and barriers Janus wood evaporator Level of development Markets and policies Pareto frontier Sustainability

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An assessment of potential infiltration areas to support groundwater supply system in Jagakarsa, South Jakarta, based on Multi-Criteria Decision-Making (MCDM) analysis

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Case Studies in Chemical and environmental engineering 2024年 10卷

作者： Suprapti, Suprapti Kusuma, Muhammad Syahril Badri Kardhana, Hadi Cahyono, Muhammad Doctoral Program of Civil Engineering Faculty of Civil and Environmental Engineering Institut Teknologi Bandung Jl. Ganesha No. 10 Jawa Barat Bandung 40132 Indonesia Study Program of Civil Engineering Faculty of Engineering Universitas Mercu Buana Jakarta Jl. Meruya Selatan No. 01 Kembangan Barat Jakarta 11650 Indonesia Water Resources Engineering Group Faculty of Civil and Environmental Engineering Institut Teknologi Bandung Jl. Ganesha No. 10 Jawa Barat Bandung 40132 Indonesia Civil Engineering Department Faculty of Engineering and Sciences Ibnu Khaldun Bogor University Jl. Sholeh Iskandar Km. 2 Kota Bogor Jawa Barat 16162 Indonesia Research Center for Ecohydrology Ecohydraulics and Engineering Science Bandung Jl. Babakan Jeruk 1 No. 100 Jawa Barat Bandung 40132 Indonesia

Jagakarsa is an urban area in South Jakarta, Indonesia, that uses groundwater for raw water because there are no clean water supply facilities. The significant increase in the need for clean water due to increasing urbanization threatens groundwater availability to maintain the balance of the surrounding environment. Natural conditions with a deep layer of clay and a dense built environment further increase runoff capacity because water has difficulty seeping into the soil. The intense extraction of groundwater without balancing groundwater recharge results in land subsidence. Until now, there has been no research on this issue. Thus, our research is necessary. This research aims to assess the potential of groundwater infiltration areas in Jagakarsa. Due to limited data, as a first step, we used a qualitative model with MCDM analysis (AHP and MIF methods) integrated with GIS to map potential groundwater recharge areas. The AHP method is explained in detail with a matrix system formula, readers can understand the calculation steps more easily. This study uses five influencing factors: geological formation, land use, slope, rainfall, and soil type. The results show that most study locations have low potential (AHP 74.49 % and MIF 75.25 %) for groundwater recharge. This groundwater recharge potential map was validated using groundwater level measurements. The accuracy of the AHP is 74.51 %, and the MIF method reaches 75.26 %. Therefore, further research is needed to obtain appropriate and effective technology for maintaining groundwater availability. © 2024 The Authors

关键词： AHP-MIF-GIS Groundwater Jagakarsa-South Jakarta MCDA Potential infiltration area

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Communal-based domestic rainwater harvesting system: A novel approach to alternative solutions for increasing water supply and recharging groundwater in Jagakarsa urban area, South Jakarta

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Case Studies in Chemical and environmental engineering 2025年 11卷

作者： Suprapti, Suprapti Kusuma, Muhammad Syahril Badri Kardhana, Hadi Cahyono, Muhammad Juliana, Imroatul Chalimah Doctoral Program of Civil Engineering Faculty of Civil and Environmental Engineering Institut Teknologi Bandung Jl. Ganesha No. 10 Jawa Barat Bandung 40132 Indonesia Water Resources Engineering Group Faculty of Civil and Environmental Engineering Institut Teknologi Bandung Jl. Ganesha No. 10 Jawa Barat Bandung 40132 Indonesia Civil Engineering Department Faculty of Engineering and Sciences Ibnu Khaldun Bogor University Jl. Sholeh Iskandar Km. 2 Jawa Barat Kota Bogor 16162 Indonesia Research Center for Ecohydrology Ecohydraulics and Engineering Science Bandung Jl. Babakan Jeruk 1 No. 100 Jawa Barat Bandung 40132 Indonesia Civil Engineering Study Program Sriwijaya University Jl. Raya Lintas Timur Palembang - Prabumulih No. Km. 32 Indralaya Indah South Sumatra Indralaya Indonesia Study Program of Civil Engineering Faculty of Engineering Universitas Mercu Buana Jl. Meruya Selatan No. 01 Kembangan-Jakarta Barat Jakarta 11650 Indonesia

This study proposes a new approach, a communal-based domestic rainwater harvesting (CDRWH) system, which is a new model that combines domestic and communal rainwater harvesting systems. This model is an alternative solution to improve system performance and utilize rainwater overflow from the system. Rainwater runoff from several domestic tanks is channeled to a communal tank to be collected, processed, and redistributed to needy domestic tanks. Overflow from the communal tank is used for groundwater recharge. The CDRWH system model aims to increase water supply, reduce runoff, and conserve groundwater. The model simulation uses daily water balance analysis and yield before spillage algorithm. The simulation scenario uses variations in roof area, number of house occupants, storage tank volume, and rainfall categories: 20 years, wet year, normal year, and dry year. Jagakarsa, an urban area in South Jakarta, was selected for the CDRWH system modeling. The results showed that the CDRWH model significantly improved the performance of the volumetric reliability (VR) and time reliability (TR) systems. In addition, the model could show a comparison of total groundwater recharge (GWR) and groundwater extraction (GWE), where the GWR capacity was higher. This allows centralized rainwater management in communal tanks, thereby reducing groundwater usage. The design of this model is simple. Therefore it can be easily duplicated for application in other locations. © 2025 The Authors

关键词： Communal-based domestic rainwater harvesting (CDRWH) Groundwater extraction (GWE) Groundwater recharge (GWR) Jagakarsa-South Jakarta Reduced runoff water supply

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Redox-Flow Battery with Four-Channel Architecture for Continuous and Efficient Desalination Over a Wide Salinity Working Range

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SSRN 2022年

作者： Cheng, Chu-Yun Chen, Tsai-Hsuan Chen, Kuan-Yu Ma, Jinxing Hou, Chia-Hung Graduate Institute of Environmental Engineering National Taiwan University No. 1 Sec. 4. Roosevelt Rd. Taipei10617 Taiwan Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education School of Ecology Environment and Resources Guangdong University of Technology Guangzhou510006 China Water Innovation Low Carbon and Environmental Sustainability Research Center National Taiwan University Taipei10617 Taiwan

In this study, redox-flow battery desalination (FBD) with a four-channel cell architecture was utilized for electrochemical desalination at different salinity levels. Herein, continuous desalination without a discharge step was achieved by simultaneous generation of desalted and brine streams in the diluted and concentrated chambers, while the ferri-/ferrocyanide redox couple was independently recirculated between the anode and cathode chambers. Notably, a relatively low constant voltage of 0.2 V successfully drove redox reactions for ion motion. The salt removal rate was enhanced by increasing the applied voltage but at the cost of higher energy consumption. Employing a higher concentration of ferri-/ferrocyanide (i.e., 100 mM) provided faster reaction kinetics and charge transfer in the FBD chambers. By treating NaCl solutions with concentrations in the range 3,000−35,000 mg/L at 0.2 V, we demonstrated that the average salt removal rate increased from 14.7 to 96.2 μg/min-cm2. The molar energy consumption increased slightly from 18.5 to 20.6 kJ/mole, and this was associated with a high charge efficiency > 93.8%. This feature indicates possible utility of FBD for desalting solutions with high salinity levels up to that of seawater. As demonstrated, FBD delivered 90% salt removal for real seawater desalination with an energy consumption of 3.34 kWh/m3. © 2022, The Authors. All rights reserved.

关键词： Energy utilization

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Aquavoltaics Feasibility Assessment: Synergies of Solar PV Power Generation and Aquaculture Production

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water (Switzerland) 2023年第5期15卷

作者： Imani, Moslem Fakour, Hoda Lo, Shang-Lien Yuan, Mei-Hua Chen, Chih-Kuei Mobasser, Shariat Muangthai, Isara Graduate Institute of Environmental Engineering National Taiwan University No. 1 Sec. 4 Roosevelt Rd. Taipei106 Taiwan International Program for Sustainable Development International College of Practice and Education for the Environment Chang Jung Christian University No.1 Changda Rd. Gueiren District Tainan City71101 Taiwan Water Innovation Low-Carbon and Environmental Sustainability Research Center College of Engineering National Taiwan University Taipei106 Taiwan No. 128 Sec. 2 Academia Rd Taipei115 Taiwan Department of Environmental Engineering National Ilan University Yilan City26047 Taiwan College of Engineering Center for the Environment Laboratory of Renewable Resources Engineering Purdue University 610 Purdue Mall West LafayetteIN47907 United States Warsash School of Maritime Science and Engineering Solent University SouthamptonSO14 0YN United Kingdom

The negative effects of climate change have burdened humanity with the necessity of decarbonization by moving to clean and renewable sources of energy generation. While energy demand varies across the sectors, fisheries, including fishing and aquaculture, are among the most energy intensive processes in the food production industry. The synergistic opportunities for co-located aquaculture and renewable energy can thus provide a multifunctional use of space and resources, creating opportunities to meet the identified energy demands of a variety of aquaculture operations. This study has investigated a sustainable energy model for a small-scale shrimp farm in western Taiwan with synergies for the dual use of the water area for solar photovoltaic electricity generation and aquaculture. Based on the simulation results and SWOT analysis, recommendations have been made for the design and operation of a solar-powered aeration system for shrimp farms. The average monthly energy production of 32 MWh is attainable at the estimated canopy space on a carport by installing 896 solar modules on the proposed site, fully covering the power demand of the shrimp farm. These findings have significance for encouraging effective practices in deploying solar techniques in aquaculture and making them replicable in global settings. © 2023 by the authors.

关键词： Climate change

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High frequency monitoring for impact assessment of temperature, oxygen and radiation in floating photovoltaic system

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Scientific Reports 2025年第1期15卷 1-14页

作者： Matheus Kopp Prandini Rafael de Carvalho Bueno Tobias Bleninger Michael Mannich Jucimara Andreza Rigotti Luis Henrique Novak Department of Environmental Engineering-DEA Federal University of Paraná-UFPR Curitiba PR 81531-990 Brazil Postgraduate Program in Water Resources and Environmental Engineering Federal University of Paraná-UFPR Curitiba PR 81531-990 Brazil Paraná State Water and Sanitation Company-SANEPAR Rua Engenheiros Rebouças 1376 Rebouças 80215-900 Brazil

Floating photovoltaic (FPV) systems are designed for free water surface installations to provide a feasible solution for places with no availability of land areas and to avoid land-use conflicts caused by conventional solar energy farms. However, lakes and reservoirs are essential for ecosystem services like water supply and biodiversity support. In this regard, there was a lack of long-term and high-frequency monitoring data of important parameters influenced by FPV installation such as photosynthetically active radiation (PAR) and dissolved oxygen (DO). Temperature, despite being more reported, there is no consensus on increase or decrease values below the FPV. In this study, we conduct a comprehensive field assessment to accurately quantify temperature variations (at the weather station, modules, between the modules and the water surface and within the water), DO, and PAR of a FPV installed in a water supply reservoir. High-frequency monitoring sensors indicated that despite the 94.7% of radiation reduction below the FPV compared to the lake reference station, slight differences in water temperature and dissolved oxygen were found between measurements in monthly and daily averages in a system that covers less than 1% of the reservoir water surface. In addition, a microclimate due to the module warming is created between the module and water surface with temperature 12% greater than the weather station measurements. The fluctuation throughout the different time frequencies showed that the processes of the reservoirs are influenced by the FPV according to complex interactions among meteorological conditions, FPV configuration, and site-specific factors.

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Estimation of infiltration models parameters and their comparison to simulate the onsite soil infiltration characteristics

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International Journal of Agricultural and Biological engineering 2019年第3期12卷 84-91页

作者： Hafiz Umar Farid Zahid Mahmood-Khan Ijaz Ahmad Aamir Shakoor Muhammad Naveed Anjum Muhammad Mazhar Iqbal Muhammad Mubeen Muhammad Asghar Department of Agricultural Engineering Bahauddin Zakariya UniversityMultan-Pakistan Center of Excellence in Water Resources Engineering(CEWRE) University of Engineering and TechnologyLahore-Pakistan Division of Hydrology Water-Land Resources in Cold and Arid Regions Cold and Arid Region Environmental and Engineering InstituteChinese Academy of SciencesLanzhou 730000China Graduate School of Water Resources Sungkyunkwan UniversitySuwon-si 2066Korea Department of Environmental Sciences COMSATS Institute of Information TechnologyVehari-Pakistan

Detailed knowledge about soil characteristics and site-specific final steady infiltration rate could help to increase the irrigation water use efficiency and decrease water losses in agricultural *** experiments were conducted on Agricultural Research Farm of Bahauddin Zakariya University,Multan,Pakistan during *** cumulative infiltration depth was measured using double ring infiltrometer at selected six points of the study *** commonly used infiltration models such as Kostikov’s,Philip’s and Horton’s were fitted to the field infiltration data for determination of model parameters and to find the best fit model for the study ***’s infiltration model’s parameters such as empirical constant‘c’and infiltration decay constants‘k’were obtained in the ranges of 0.140-0.290 and 0.307-0.433,***’s infiltration model’s parameters such as sorptivity‘S’and conductivity constant‘A’were found in the ranges of 0.167-0.288 cm/min1/2 and-0.001 to-0.009 cm/min,***,the Horton’s model’s‘parameter‘k’was obtained in the range of-1.619 *** value of infiltration capacity at onset of infiltration(fo)was obtained as 1.744 to 3.491 for all the six *** analysis showed that the infiltration models using the estimated parameters have satisfactory prediction capability at all the selected ***’s model provided the lowest mean values for RMSE(0.235)and highest mean values for ME(94%);and the lowest mean values for MPD(0.127).This indicated that infiltration can be well-described by the Horton’s model at the selected site.

关键词： infiltration characteristics infiltration models parameters estimation perdition capability

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Optimized ensemble-based flood hazard mapping in low altitude subtropical riverine terrane

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Discover Geoscience 2024年第1期2卷 1-32页

作者： Pandey, Manish Costache, Romulus Dash, Pratik Geesupalli, Purna Durga Siddiqui, Masood A. Pandey, Prem Chandra Santosh, M. Bateni, Sayed M. Arora, Aman Marwadi University Research Centre Marwadi University Rajkot India Research Institute of the University of Bucharest Bucharest Romania National Institute of Hydrology and Water Management Bucharest Romania Danube Delta National Institute for Research and Development Tulcea Romania Department of Civil Engineering Transilvania University of Brasov Brasov Romania Department of Geography Khejuri College (Affiliated to Vidyasagar University) Medinipur India Interdisciplinary Program in Climate Studies Indian Institute of Technology Bombay Mumbai India Department of Geography Faculty of Natural Sciences Jamia Millia Islamia New Delhi India Department of Life Sciences School of Natural Sciences Shiv Nadar Institution of Eminence Greater Noida India School of Earth Sciences and Resources China University of Geosciences Beijing Beijing China Department of Earth Science University of Adelaide Adelaide Australia Department of Civil Environmental and Construction Engineering and Water Resources Research Center University of Hawaii at Manoa Honolulu USA Université Gustave Eiffel GERS-LEE Bouguenais France

Among various natural hazards, those induced by hydrological and meteorological factors have emerged as the most frequent and damaging. India is at the second from the top, after Bangladesh, of flood hazard-affected countries of the world, causing immense damage to life and property every year. The Middle Ganga Plain in the country is one of the most severely affected regions due to the convergence of Himalayan rivers in the Ganga (Ganges) plain. This study focuses on optimizing novel ensemble models to enhance the mapping of flood hazard susceptibility in specific topoclimatic setting, characterized by a low-altitude-range, sub-tropical monsoonal climate, and a riverine floodplain environment of the tectonically active Middle Ganga Plain. This region forms part of the Ganga Foreland Basin prone to frequent floods. We employ a comprehensive flood inventory and twelve selected flood conditioning factors and is the first study that has developed these ensemble models in low relief riverine floodplain environmental setting with high resolution geomorphology as one of the conditioning factors. Four artificial intelligence ensemble models were employed in this work: Logistic Regression-Evidential Belief Function (LR-EBF), Logistic Regression-Frequency Ratio (LR-FR), Multi-Layer Perceptron-Evidential Belief Function (MLP-EBF), and Multi-Layer Perceptron-Frequency Ratio (MLP-FR). Results showed that LR-based ensembles outperformed MLP-based ensembles in the studied topoclimatic setting, with LR-EBF model achieving 87.2% and 84.7% success and prediction rates respectively. Our results reveal consistent performance differences between LR-based ensembles with FR and EBF models across different environmental settings. MLP-based ensembles, particularly with Frequency Ratio, displayed more significant performance variations. The findings underscore the importance of considering specific topoclimatic and altitudinal range environments when applying flood hazard susceptibility mod

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Sustainability of Multilayer Plastics Waste Management in Indonesia: A Multi-Aspect Sustainability Analysis (Msa) Approach

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SSRN 2024年

作者： Anwar, Mayrianti Annisa Sasongko, Nugroho Adi Najib, Mukhamad Pranoto, Bono Firmansyah, Irman Suprihatin Prof BJ Habibie Complex Area Banten15314 Indonesia Natural Resources and Environmental Management Graduate Study Program IPB University Jl. Pajajaran IPB Baranangsiang Campus Bogor16144 Indonesia Kampus IPB Darmaga P.O. Box 220 Bogor Indonesia IPSC Sentul Area West Java16810 Indonesia Faculty of Economics and Management Jl. Agatis Kampus IPB Darmaga West Java Bogor16680 Indonesia Research Center for Limnology and Water Resources National Research and Innovation Agency Bogor Indonesia System Dynamics Centre Indonesian System Dynamics Experts Association Indonesia

The sustainability of multilayer plastics waste management in Indonesia is a critical concern, demanding a comprehensive approach. This study employs a Multi-Aspect Sustainability Analysis (MSA) to evaluate and improve the management of multilayer plastic waste. The environmental strategies include developing standards for environmentally friendly technologies, regular monitoring, and in-depth academic studies on waste utilization. Economically, consistent funding, industry-government collaboration, community involvement, and investment policy development are essential. Social strategies emphasize community engagement and capacity building for waste management. Governmental roles involve implementing data-driven plans, enhancing law enforcement, establishing independent organizations, and incentivizing participation. Technological advancements and standardization in recycling technologies are crucial. The study highlights the importance of integrated efforts across environmental, economic, social, and governmental aspects to achieve sustainable waste management, promoting environmental resilience, economic prosperity, and social well-being. The results obtained showed that the sustainability status of waste management of multilayer plastic in Indonesia, special in Surabaya City is sustainable with an index of 53.33%. To increase the sustainability status to be very sustainable, scenario 2 was selected, the optimistic scenario with improvements in 14 sensitive factors to increase the sustainability index to 78.37%. © 2024, The Authors. All rights reserved.

关键词： Sustainable development

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