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JURNAL SUMBER DAYA AIR
Published by Puslitbang Sumber Daya Air
ISSN : 19070276     EISSN : 2548494X     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture Engineering
Jurnal Sumber Daya Air (JSDA) is a journal aims to be a peer-reviewed platform and an authoritative source of information. We publish original research papers, review articles and case studies focused on Water, and Water resources as well as related topics. All papers are peer-reviewed by at least two referees. JSDA is managed to be issued twice in every volume. The Scope of JSDA is: the fields of irrigation, environmental quality and water, swamp, beach, water building, water supply, hydrology and geotechnical fields, hydrology and water management, water environment, coastal fields, fields of cultivation and sabo fields.
Arjuna Subject : -
Articles 236 Documents
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TINJAUAN POTENSI TEKNIS DAN KELAYAKAN EKONOMI PLTA PADA PROYEK KERJA SAMA PEMERINTAH DENGAN BADAN USAHA BENDUNGAN MERANGIN Larasari, Agustia; Sitorus, Jessica; Wiratama Asad, Moh. Bagus; Firmana, Ary
JURNAL SUMBER DAYA AIR Vol 17, No 2 (2021)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v17i2.724

Abstract

One of the utilizations of a multipurpose dam that has socio-economic value during its operation iselectricity generation. The addition of a hydropower component to a PPP project is quite a challenge due to substantial uncertainty related to hydrological aspects that will impact electricity production and revenue, as well as high initial investment costs for generating units. This study aims to map the technical potential of hydropower and evaluate the economic feasibility of hydropower in the Merangin Dam PPP Project. The potential for power and energy generation is obtained through simulations of the hydropower operation for 19 years using hydrological data, HEC-HMS model generated-data, and dam engineering design. According to the results, the technical potential of hydropower can produce, on average, power of Pp = 103.8 MW during peak load, Pb = 98.53 MW during base load, and total energy of 636.66 GWh/year. The economic potential is evaluated through social cost-benefits analysis (SCBA) by estimating the additional benefits obtained from the hydropower compared to the PPP structure of the Merangin Dam without hydropower. Through SCBA, the addition of hydropower to the Merangin Dam PPP structure has an EIRR value of 35.24%, NPV of Rp. 2.104.212.122.723,- and BCR = 3.06. Based on these indicators, the provision of hydropower plants is considered economically feasible because the benefits that will be generated and obtained by the community are higher than the economic costs incurred.Keywords: Technical potential, economic feasibility, hydropower plant, multipurpose dam, PPP
KOMBINASI PREDIKSI VOLUME SEDIMEN MENGGUNAKAN METODE HECRAS-USLE UNTUK MENDUKUNG KONSERVASI DAS LAMBIDARO PALEMBANG, SUMATERA SELATAN Sultan, Masri nur; Farid, Mohammad; Prasetyo, Adi; Kusuma, Muhammad Syahril Badri; Natakusumah, Dantje Kardana
JURNAL SUMBER DAYA AIR Vol 19, No 2 (2023)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v19i2.851

Abstract

 Over the past ten years, flooding has been the most frequent problem in South Sumatra Province, Indonesia. As the capital of South Sumatra Province, Palembang City faces similar problems, where Lambidaro Watershed is the watershed with the highest 25-year potential flood discharge in Palembang City. One of the causes of flooding is the lack of river channel capacity related to land erosion in the watershed. This study aims to learn the prediction of sediment volume and efforts to reduce it in the Lambidaro watershed, Palembang City. This study uses two types of modeling, namely numerical models and empirical models. The numerical model uses the HEC-RAS 6.3.1 application, while the empirical model uses the USLE and SDR equations. The input parameters of the numerical model use some data derived from field measurements. The sediment concentration and observation discharge parameters were measured three times in September 2022. The grain size distribution parameters were sampled at three locations each once in August 2022, and the cohesive parameter was sampled at one location twice in August 2022. The result of the prediction of sediment volume by the numerical model is 1,421.86 m3/year. In contrast, the result of the prediction by the empirical model is 476,941.25 m3/year. Efforts to reduce the prediction of sediment volume USLE method are in the form of applying the intercropping method. The results of the conservation study show that the efforts made can reduce the volume of sediment by 17%.Keywords:       sediment, flood, conservation, intercropping, Lambidaro 
CONSTRAINTS IN THE RECYCLED WASTEWATER UTILIZATION IN AN OFFICE BUILDING IN JAKARTA Kurniawan, Vittorio; Kushartomo, Widodo; Yolanda, Yolanda
JURNAL SUMBER DAYA AIR Vol 20, No 1 (2024)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v20i1.879

Abstract

 The threat of water scarcity and the progressing technology in sewage treatment plants promote the reuse of recycled wastewater. While the practice itself is beneficial, there are still issues to be solved to utilize its full potential. This study focuses on identifying the bottlenecks or limiting factors in implementing the practice on a building scale. An office building was researched to reveal its water usage pattern. The building introduces a sewage treatment plant so the sewage can be recycled into usable freshwater. The analysis indicates the produced recycled wastewater has not been fully utilized until now. While the volume of the water demand is greater than the recycled wastewater, several factors hinder the total utilization of the reclaimed water. The recycled wastewater is mostly more than enough to cover the water usage for both gardening and toilet flushing, the usages still leave an excess of water for other purposes. Because of the constraints in water quality, finance, and public reception, the excess reclaimed water is yet to be optimally utilized. Firstly, the quality of the reclaimed water is not very convincing to be used for non-flushing human usage and cooling towers. Secondly, the high cost of the investment and the overhaul of the plumbing system (for old buildings) deters the practice of reusing the reclaimed water. Thirdly, many people still have terrible perceptions about reused wastewater thus they would hesitate to utilize it even if the reused water is technically fine.  Keywords: recycled wastewater, sewage treatment plant, office building, water conservation, rainwater harvesting 
EVALUASI DAMPAK BANJIR AKIBAT PERUBAHAN ALUR SUNGAI CITANDUY HULU DI DESA TANJUNGKERTA, TASIKMALAYA-JAWA BARAT Maulana, Ari Azhar; Rosalina, Harnita
JURNAL SUMBER DAYA AIR Vol 18, No 1 (2022)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v18i1.745

Abstract

Since 1996 there have been frequent floods in the upstream area of the Citanduy River, especially during the rainy season. The flood also inundated part area of the Suryalaya Islamic Boarding School located in Tanjungkerta Village, Pagerageung District, Kabupaten Tasikmalaya. In this case, the community took the initiative with self-subsident activities to reduce the impact of flood by diverting the Citanduy River channel without any communication with river authority. This analysis purposed to evaluate the cross-section capacity due to narrowing the upper Citanduy River. Hydrological analysis was initiated to determine the characteristics of catchment area in study area. 1D and 2D hydraulic analysis using HEC-RAS application with unsteady flow analysis to determine water level, flood distribution, and river flow velocity. Using the annual Q25 plan discharge taking into existing capacity and geometric characteristics. Validation of modeling results by observing directly the water level at locations that affected by flooding condition due to high rainfall intensity. Conclusions are based on the results of hydraulic hydrological analysis applied to the research object. Shortening of river channel due to siltation causes a decrease in the area of the river channel in bank conditions. Actually condition of the Citanduy River after draining discharge over a 2-year return period, there was a flood in the river cross-section of Sta. 400 – 1035 rivers overflow with variations in depth of ±40 – 80 cm when model with a discharge period of 25-years.  The recommendation for further research is to assess the river capacity to analyze erosion and sedimentation that occurs in the watershed. Conducting a more comprehensive study, involving the three core components, that is Hydraulics, Ecology, and Morphology, so that proposed alternative solutions have a good impact on all aspects, not only solving one problem but causing other problems.Keywords : Flood modeling, river shortcut, Upper Citanduy River  
IDENTIFIKASI LOKASI PRIORITAS UNTUK PEMBANGUNAN AKUIFER BUATAN SIMPAN AIR HUJAN (ABSAH) DI WILAYAH SUNGAI CITANDUY, JAWA BARAT Priandani, Fabian
JURNAL SUMBER DAYA AIR Vol 18, No 2 (2022)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v18i2.775

Abstract

Artificial Aquifer and Rain Storage Structure (AARSS) is a rainwater harvesting technology developed by the Research Center for Water Resources, Ministry of Public Works and Housing. It utilizes rainwater that is stored in a reservoir and flows through an artificial aquifer. The study aims to identify the priority of locations for AARSS development in the Citanduy River Basin. The method used is a weighted overlay using the Analytical Hierarchy Process and Geographic Information System. A map of priority locations is obtained using 6 biophysical and socio-economic parameters: rainfall, land use/land cover, the presence of groundwater basins, drought-prone classes, village development, and construction costs represented by the minimum wage. The priority of priority locations is classified into very high-, high-, medium-, low-, and very low priority zones. The analysis result shows the domination of the medium priority zone (63.73% of the study area), which is followed by the high, low, very high, and very low priorities with the percentage of 24.03%, 8.49%, 3.58%, and 0.17%, respectively. An evaluation of the current AARSS constructions to this priority map shows that there are 8 AARSS units in the medium-, 7 units in the high-, and 2 units in the very high priority zone. The priority map can be used by decision-makers to identify an optimal location and develop a suitable structure that meets the water-demand of their community. This study can serve as a comparison for research related to site identification for  rainwater storages in other areas.Keywords:    Artificial Aquifer and Rain Storage Structure (AARSS),  site identification, rainwater harvesting, analytical hierarchy process, geographic information system
PENGARUH DINAMIKA PASANG SURUT TERHADAP DAERAH IRIGASI RAWA PANTAI KABUPATEN KAPUAS PROVINSI KALIMANTAN TENGAH Zevri, Asril
JURNAL SUMBER DAYA AIR Vol 19, No 1 (2023)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v19i1.803

Abstract

 The food crisis caused by the Covid-19 pandemic has caused the level of hunger to increase to a chronic level that is almost experienced by the whole world, including Indonesia. The increase in population with extreme climate change is a serious problem to overcome the food crisis in the next few years. The impact of climate change with changes in land use results in limited water availability in the development of irrigated land. One solution to overcome the availability of water for the development of irrigated land is to rehabilitate and improve the network of swamp irrigation areas that utilize the dynamics of tidal water levels. Pantai Swamp Irrigation Area is one of the potential lands to be developed into agricultural cultivation land. The study aims to determine the effect of tidal water level elevation on irrigated land based on hydro-topography. The study was conducted in the Pantai Swamp Irrigation Area with the water source coming from the tidal Kapuas Murung River. The method was conducted quantitatively using HEC-RAS software based on tidal data, cross-section and length of the channel, and surface elevation of irrigated land. The results showed that the influence of the tidal dynamics of the Kapuas Murung River is very dominant in irrigating the land with an average tidal water level elevation of + 1.57 m with hydro-topographic dominance included in categories B and C with an area of B 604.5 Ha and C 1201. 5 Ha.Keywords: Tides, Swamps, Hydro-topography, Sungai, Kapuas 
PENGARUH KEBUTUHAN AIR IRIGASI TERHADAP PENURUNAN MUKA AIR TANAH MENGGUNAKAN MODFLOW-USG DI SRAGEN, JAWA TENGAH Azizah, Nuraini; Suprapto, Heri
JURNAL SUMBER DAYA AIR Vol 18, No 1 (2022)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v18i1.736

Abstract

One of the determining factors in food security is the availability of agriculture water. Due to decreasing of rainfall and runoff, groundwater is one of the solutions for attaining agriculture's water needs. Groundwater has been depleted in the western region of Sragen Regency. It is necessary to investigate the groundwater level depletion in Sragen Regency so that production can be increased without overexploitation. MODFLOW-USG was used to simulate groundwater conditions mathematically. The model is based on current conditions and projected until 2033, with various scenarios for irrigation necessity which has 1, 0.8 and 0.7 l/s/ha that represented as conventional, System of Rice Intensification (SRI), and Alternate Wetting And Drying (AWD). For current conditions, model results show that groundwater level (GWL) decreased by 7.9 m from 1996 – 2019 without a scenario. Simulations from 2020 to 2033 using conventional water necessity show a decrease in GWL up to 2.585 m, 1.895 m for the SRI method, and 1.788 m for the AWD method. According to this result, the AWD water necessity is the most effective both in reducing groundwater table declining and maintaining plant productivity. However, the decreasing in GWL would occur as long as groundwater withdrawal continued, regardless of the scenario. Therefore, it is proposed to fulfill agricultural land’s water with other water resources such as reservoir or retention basins. Furthermore, there is a need for cropping patterns and scheduling that affect the amount of water demand, so water needs are met and do not over-exploiting the groundwater.Keywords: Groundwater, MODFLOW-USG, conventional, SRI, AWD  
ANALISIS KEBUTUHAN KAPASITAS TAMPUNGAN EMBUNG DANAU ASAM KABUPATEN DI KOTAWARINGIN BARAT Zevri, Asril
JURNAL SUMBER DAYA AIR Vol 17, No 2 (2021)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v17i2.719

Abstract

This study aims to analyze the requirement for the storage capacity of Danau Asam Reservoir as one of the solutions in increasing the availability of water to meet the needs of raw water due to population growth and climate change which is quite extreme. The study was conducted in the Danau Asam Reservoir with source of water from two watersheds that flow into the reservoir, namely the Lopo River Basin with a catchment area of 11.81 Km2 and Kamat Bay with a catchment area of 12.42 Km2 in Kotawaringin Lama District in the West Kotawaringin Regency. The method used is a quantitative approach based on a simulation of the water balance between the inflow and outflow. The inflow parameter is calculated based on 90% probability reliable discharge using the FJ Mock method in two watersheds and the outflow parameter is based on the raw water demand discharge which is calculated based on the population growth rate. The result of the research indicate that the capacity of the Danau Asam Reservoir is 391,842.72 m3 to meet the raw water needs in Kotawaringin Lama District with a population of 35397 people.Keywords: Drought, Raw Water, Storage, Kotawaringin Barat
KAJIAN SEBARAN SALINITAS DENGAN MODEL HEC-RAS DI DAERAH IRIGASI TAMBAK SEI TERAS KALIMANTAN TENGAH Hermawanto, Hanny Adityanta
JURNAL SUMBER DAYA AIR Vol 19, No 2 (2023)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v19i2.834

Abstract

 This study aims to evaluate the distribution of salinity with a mathematical model to enhance advanced aquaculture cultivation. The Sei Teras Fishpond Irrigation Area is one of the aquaculture development areas of the food security program (Food Estate) influenced by tides. Currently, the technology used is simple, and the availability of seeds and feeds depends on nature. The water quality parameters with a specific threshold are needed as an advanced aquaculture requirement to achieve the production level. Vannamei shrimp, as a development commodity, requires a salinity concentration of 15-25 ppt for optimal growth. This study will evaluate the potential of salinity from alternative schemes of introducing gates and normalization against existing conditions using the HEC-RAS program. This program can resolve water quality models with a hydrodynamic simulation procedure through a series of mathematical equations. The simulation results show that the availability of salinity in the two tidal cycles of the spring tide and neap tide could fulfill around 86.7% for 15 days. The normalization has no significant impact on the availability of salinity against existing conditions. The gate influences the longitudinal distribution pattern of salinity. The salinity value above 19 ppt could reach the upstream of the canal up to ± 7 km, while the existing condition could only reach ± 4 km. Therefore, the expected potential of salinity could be achieved.Keywords:       salinity, model simulation, distribution, an alternative scheme 
PREDIKSI DAMPAK PERUBAHAN TATAGUNA LAHAN TERHADAP DEBIT LIMPASAN, STUDI KASUS: GEREJA RANCASARI Wijaya, Obaja Triputera; Yudianto, Doddi; Fitriana, Finna; Sanjaya, Stephen
JURNAL SUMBER DAYA AIR Vol 20, No 2 (2024)
Publisher : Direktorat Bina Teknik Sumber Daya Air, Kementerian Pekerjaan Umum dan Perumahan Rakyat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32679/jsda.v20i2.900

Abstract

Flooding is one of the most frequent natural disasters in Indonesia. Based on data, as of 2024, there have been 137 cases of flooding incidents. One of the causes of flooding, particularly in urban areas, is due to land use change. This study examines the impact of land use changes on runoff discharge in a Church area in the Bandung City. Additionally, this study investigates the effect of the development of this area on flood water levels in the Riung channel, which serves as an outlet channel. In this study, modeling is conducted using the SWMM model. The study utilizes data from the BMKG Bandung and GPM satellite rainfall data from 2001 to 2022 for rainfall analysis. The results indicate that in the study area, the duration of extreme rainfall producing maximum discharge is rainfall lasting for 7 hours. As a result of the church development, runoff discharge increases by 26.3 – 34.4% across various return periods. For time to peak, there is no significant change in conditions before and after the area is developed. This is due to area is relatively small, resulting in a relatively shorter concentration time. Based on the hydraulic analysis, the Riung channel is still able to accommodate additional runoff generated due to development, leaving a freeboard height of 4.5 cm for a 10-year return period. However, based on observations, special attention is needed regarding the issue of sedimentation and trash, which often causes backflow in several segments of the trenches.Keywords:runoff, land use change, urban drainage, SWMM, Bandung

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