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Journal articles on the topic 'QUAL2Kw'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Anand, Sultan Al Faridzi, and Yayok Suryo Purnomo. "Capacity of Cipager River Pollution Load in Cirebon Regency." Formosa Journal of Applied Sciences 1, no. 6 (2022): 1255–66. http://dx.doi.org/10.55927/fjas.v1i6.1933.

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According to the medium-term infrastructure investment plan (RPIJM) for the city of Cirebon, the raw water source for PDAM Cirebon City has been using the Cipaniis spring, whose discharge is decreasing day by day due to forest destruction on Mount Ciremai. The steps in the QUAL2Kw method are segment determination, sampling, laboratory testing, hydraulic data analysis, water quality, pollutant sources, scenario determination, running the QUAL2Kw program and calculation of pollution load capacity. River water quality parameters used in the QUAL2Kw application in this study were PH, temperature,

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Novita, Elida, Idah Andriyani, Sri Wahyuningsih, Muh Hamas Firduas Dzulfikri, and Hendra Andiananta Pradana. "IMPACT EVALUATION OF SOYBEAN SMALL AND MEDIUM-SIZED ENTERPRISES (SMEs) WASTEWATER ON THE WATER QUALITY OF THE BEDADUNG RIVER IN JEMBER DISTRICT, INDONESIA." Water Conservation & Management 8, no. 4 (2024): 408–14. https://doi.org/10.26480/wcm.04.2024.408.414.

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Small-scaled agroindustry or SMEs of soybean (tofu-tempe production) wastewater, discarded into bodies of water without processing, negatively impacts river water quality. Water quality modeling using software can identify the distribution and total pollution load capacity in rivers due to soybean agroindustry wastewater. QUAL2Kw and WASP software was applied in this study to compare the accuracy and output from the impact of such wastewater on river water quality and the total pollution load capacity of the Bedadung River based on class 1 and class 2 water quality allocation. Input water qual

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Cahya Putra, Halim, Emma Yuliani, and Tri Budi Prayogo. "Analisis Kualitas Air Menggunakan Metode Indeks Pencemaran, CCME-WQI, dan Program QUAL2Kw Di Sungai Manten, Kabupaten Malang, Jawa Timur." Jurnal Teknologi dan Rekayasa Sumber Daya Air 5, no. 1 (2025): 97–105. https://doi.org/10.21776/ub.jtresda.2025.005.01.010.

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Meningkatnya kebutuhan akan air bersih, sanitasi, dan sumber daya lainnya telah mengakibatkan peningkatan volume limbah domestik dan industri yang masuk ke dalam sistem sungai. Analisis ada untuk mengetahui status mutu air Sungai Manten. Analisis yang dilakukan menggunakan metode Indeks Pencemaran (IP), CCME-WQI dan QUAL2Kw. Parameter yang digunakan dalam penelitian ini antara lain BOD, COD, DO, suhu, pH, TSS, Nitrat (NO3-), Nitrit (NO2-), Phospat (PO43-), Ammonia dan TDS. Setelah memperoleh nilai status mutu air Sungai Manten, kemudian akan dilakukan simulasi dengan menggunakan data primer te

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Setiawan, Dody, I. G. B. Sila Dharma, and I. Wayan Budiarsa Suyasa. "Daya Tampung Beban Pencemar Sungai Badung di Desa Dauh Puri Kota Denpasar dengan Model QUAL2KW." ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) 11, no. 2 (2017): 116. http://dx.doi.org/10.24843/ejes.2017.v11.i02.p10.

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Badung River is flow through two regencies of Badung and Denpasar that has 25.17 km length. People actually use Badung River for tourism, irrigation, drainage system and as the exile of wastewater from all activities along the river. The water quality of Badung River has exceeded the threshold limits.Therefore, It is needed to determinate the carrying capacity of Badung river. Because of the pollution, the water quality has degraded. The objective of this research is knowing the sources of pollution and load capacity of Badung river at Dauh Puri village using Qual2kw model, to define that amou

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Nugraha, Winardi Dwi, Sudharto Prawata Hadi, Setia Budi Sasongko, Adranandini Noor Anisa, and Mochamad Arief Budihardjo. "The Use of Qual2KW to Analyze the Concentration of pH, Nitrate, Phosphate, and Fecal Coliform on Water Quality: A Case Study of the Klampok River, Semarang Regency." Jurnal Presipitasi : Media Komunikasi dan Pengembangan Teknik Lingkungan 19, no. 2 (2022): 208–21. http://dx.doi.org/10.14710/presipitasi.v19i2.208-221.

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Usually, the main source of water is a river, which makes it essential to ensure that the water from that source is not polluted and in accordance with the water quality standards. Water quality can deteriorate as a result of domestic and industrial waste. This quality is measured based on several parameters, such as the concentration of pH, nitrate, phosphate, and fecal coliform in the water. QUAL2KW can be used to analyze river water quality in order to solve several water quality-related problems. The main river water source in Semarang Regency is the Klampok River, whose water is used to s

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Putra, I. kadek Ardi, I. Wayan Budiarsa Suyasa, and I. G. B. Sila Dharma. "PENETAPAN DAYA TAMPUNG BEBAN PENCEMAR TUKAD MATI DI KABUPATEN BADUNG DENGAN MODEL QUAL2KW 5.1." ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) 11, no. 2 (2017): 87. http://dx.doi.org/10.24843/ejes.2017.v11.i02.p11.

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 ABSTRAK Tukad Mati is one of watershed that is flow through two regencies of Badung and Denpasar that has 12 km length. Tukad Mati functioned as irrigation, drainage system and as the exile of wastewater from all activities along the river. Because of the pollution, the water quality has degraded. The source of pollution is organic matter pollutant, agricultural pollutant such as pesticide and hazardous waste. The aim of this research is knowing the pollutant loading rate from point source and non point source using Qual2kw model, to define that amount of pollutant that are allowe

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Pramaningsih, Vita, Slamet Suprayogi, and Ignasius Loyola Setyawan Purnama. "Pollution Load Capacity Analysis of BOD, COD, and TSS in Karang Mumus River, Samarinda." Indonesian Journal of Chemistry 20, no. 3 (2020): 626. http://dx.doi.org/10.22146/ijc.44296.

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The Rivers in Indonesia often accommodate pollution from all community activities. This happened due to a large number of people who use watersheds for living. One of those rivers is the Karang Mumus River in Samarinda City, East Kalimantan. This study aims to analyze the capacity of the Karang Mumus River pollution load in segments 2, 3 and 4. The analysis model used in this study was the QUAL2Kw and ArcGIS models. The former used to calculate the capacity of river pollution and the latter used to determine land use. The results of the QUAL2Kw Model analysis shown that the capacity of the BOD

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Hutama, Ageng Rizky, Emma Yuliani, and Tri Budi Prayogo. "Analisis Kualitas Air Menggunakan Metode Indeks Pencemaran, CCME-WQI, dan QUAL2Kw Pada Sungai Amprong, Kota Malang, Jawa Timur." Jurnal Teknologi dan Rekayasa Sumber Daya Air 5, no. 1 (2025): 216–26. https://doi.org/10.21776/ub.jtresda.2025.005.01.021.

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Pesatnya pertumbuhan penduduk menyebabkan penurunan kualitas air yang tersedia. Selain itu dipengaruhi juga oleh adanya perubahan tata guna lahan yang dulunya ruang terbuka hijau menjadi daerah pemukiman dan Pertanian. Analisis dilakukan untuk mengetahui kualitas air Sungai Amprong. Data yang digunakan berupa Data Primer dianalisis dengan menggunakan metode Indeks Pencemaran(IP), CCME-WQI dan Qual2Kw. Lalu setelah mendapatkan nilai status mutu air Sungai Amprong, akan dilakukan simulasi dengan menggunakan data Primer. Parameter yang digunakan dalam penelitian ini meliputi BOD, COD, DO, suhu, p

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Lusiana, Novia, Akhmad Adi Sulianto, Luhur Akbar Devianto, and Septyana Sabina. "Penentuan Indeks Pencemaran Air dan Daya Tampung Beban Pencemaran Menggunakan Software QUAL2Kw (Studi Kasus Sungai Brantas Kota Malang)." Jurnal Wilayah dan Lingkungan 8, no. 2 (2020): 161–76. http://dx.doi.org/10.14710/jwl.8.2.161-176.

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Starting in 2000, the growth of population and industries sector rapidly increased in Brantas Hulu’s river. This phenomenon brought environmental issues since most of industries dispose of their waste including organic-based pollution to the surrounding river. It contaminates the river and lowers the water quality. Minimum assessment on water contamination in Brantas River attracts the research on the area. The study aims to assess water quality on Brantas River based on several parameters: water quality pattern using QUAL2Kw model, determine of pollution level using pollutant index and pollut

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Muhammad Rizal Pambudi, Yayok Suryo Purnomo, Naniek Ratni JAR, and Okik Hendriyanto Cahyonugroho. "Identifikasi Kualitas Air Sungai Kalimas Menggunakan Pemodelan QUAL2kw." INSOLOGI: Jurnal Sains dan Teknologi 1, no. 6 (2022): 870–79. http://dx.doi.org/10.55123/insologi.v1i6.1306.

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“The Kalimas River is a river that runs across The Surabaya City. This river is a tributary of the Surabaya River. There are few functions of this river, namely as one of the main drainage channels, fishing locations. From the water quality data collected by DLH Surabaya City, Kalimas river water quality is included in class III. The 2020-2025 Regional Medium-Term Development Plan states that the Kalimas River has function as river transportation and tourism facilities. Meanwhile, in Permen LH No. 5 of 2021, class II rivers can be the only one used as tourism facilities. Because of this, effor

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Nufutomo, TK, BS Muntalif, HD Ariesyady, and A. Sudradjat. "Water Quality Analysis Using QUAL2Kw Model During The Rainy Season and Dry Season in Upper Citarum Watershed, West Java, Indonesia." IOP Conference Series: Earth and Environmental Science 1239, no. 1 (2023): 012008. http://dx.doi.org/10.1088/1755-1315/1239/1/012008.

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Abstract The Increasing population in the upstream Citarum watershed area can trigger increased water pollution caused by anthropogenic pollution such as from domestic waste, agriculture, landfills, and settlements. The equilibrium of ecosystems is disrupted when there is an increase in excess pollutants such as suspended materials and nutrients that will cause eutrophication. The purpose of this study was to analyze river water quality from temperature, pH, DO, BOD, Total phosphate (PO4), and Nitrate (NO3) parameters from upstream Citarum watershed waters using a water quality model, namely Q

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Betti, S. H., and E. Nurhayati. "Water Modelling of Karang Mumus River Using QUAL2Kw Application." IOP Conference Series: Earth and Environmental Science 1095, no. 1 (2022): 012036. http://dx.doi.org/10.1088/1755-1315/1095/1/012036.

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Abstract Karang Mumus River is one of the tributaries of Mahakam River in Samarinda. The utilization of this river is mostly for domestic activity and other activities by residents near the riverbank. Based on the regulation of local environmental bureau of Samarinda City, this river is not in accordance with the quality standards since some water quality parameters have reached above the threshold. Thus, it can be said that the Karang Mumus river is not suitable for use. This research was conducted using Karang Mumus River water modeling with the Qual2kw program conducted with the aim of bein

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Hobson, A. J., B. T. Neilson, N. von Stackelberg, et al. "Development of a Minimalistic Data Collection Strategy for QUAL2Kw." Journal of Water Resources Planning and Management 141, no. 8 (2015): 04014096. http://dx.doi.org/10.1061/(asce)wr.1943-5452.0000488.

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Patel, Hiralkumari B., and Namrata D. Jariwala. "DETERMINING ASSIMILATIVE CAPACITY OF RIVER TAPI USING QUAL2Kw MODEL." Water Conservation & Management 8, no. 2 (2023): 217–26. https://doi.org/10.26480/wcm.02.2024.217.226.

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The Tapi River is the prime source of drinking and irrigation for the city of Surat, which is located in the state of Gujarat in India. The water quality of this river is degrading at an alarming rate due to heavy loads of pollutants from various identified sources such as treated and partially treated municipal wastewater, industrial effluents, and non-identified sources. As the pollutants are progressively discharged into the river, the available dissolved oxygen (DO) rapidly reduces and other water quality parameters are degraded. In this research, the water quality was analyzed using a one

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Harahap, Arief Aryatama, Freddy Lifan, and Lailal Gusri. "Analisis Daya Tampung Beban Pencemar di Sungai Batang Tembesi Kabupaten Sarolangun Parameter Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD) dan Dissolved Oxygen (DO) Menggunakan Pemodelan Qual2Kw." Jurnal Penelitian Enjiniring 27, no. 2 (2023): 69–75. https://doi.org/10.25042/jpe.112023.01.

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Sungai Batang Tembesi merupakan salah satu sungai yang terletak di Kabupaten Sarolangun, Provinsi Jambi. Sungai ini berhulu di Kecamatan Pauh dan bermuara di Sungai Batang Hari, dengan panjang mencapai 36 km. Sungai Batang Tembesi menerima berbagai sumber pencemar, seperti limbah pertanian, limbah dari kegiatan perusahaan, aliran anak sungai, serta limbah domestik, yang secara keseluruhan menyebabkan penurunan kualitas air sungai. Penelitian ini bertujuan untuk menganalisis daya tampung beban pencemar pada Sungai Batang Tembesi dengan menggunakan parameter Biochemical Oxygen Demand (BOD), Chem

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Nikakhtar, Morteza, Seyedeh Hoda Rahmati, and Ali Reza Massah Bavani. "Impact of climate change on the future quality of surface waters: case study of the Ardak River, northeast of Iran." Journal of Water and Climate Change 11, no. 3 (2019): 685–702. http://dx.doi.org/10.2166/wcc.2019.132.

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Abstract In recent decades, climate change has influenced the quantity and quality of water resources, affecting water supply for various demands. In this case study, the effects of climate change on the quality of the Ardak River in the northeast of Iran are discussed. The Qual2kW model was used to simulate water quality parameters, by sampling dissolved oxygen (DO), pH, chemical oxygen demand (COD), and NO3. The rainfall-streamflow model IHACRES was used for simulating monthly streamflow. Monthly general circulation model (GCM) temperature and rainfall data from representative concentration

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Dhaifullah, R. Moh Nadhif, R. Irwan Bagyo Santoso, and R. Mohammad Alghaf Dienullah Dienullah. "Assessment of Water Quality Parameters in a Rivers Using Qual2Kw: A Study in Bangkalan River." Asian Journal of Engineering, Social and Health 2, no. 8 (2023): 753–62. http://dx.doi.org/10.46799/ajesh.v2i8.90.

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Increased human activity, shifts in land use and the increasingly diverse lifestyles of people in Bangkalan City have resulted in an increase in domestic waste and made the pollutant load in the Bangkalan River even greater over time. The Bangkalan River segmentation from the Tunjung Dam to the Bancaran River has indicated that the quality of river water has decreased. The purpose of this study was to determine the pollution level of the Bangkalan River, the condition of the Bangkalan River's water quality, and to obtain recommendations for treatment strategies for river water quality manageme

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Utami, Ayu Widya, Pramiati Purwaningrum, and Diana Irvindiaty Hendrawan. "ANALISIS KAPASITAS BEBAN POLUTAN RUAS HILIR SUNGAI CITARUM MENGGUNAKAN QUAL2KW." Jurnal Teknik Lingkungan 26, no. 2 (2020): 31–48. http://dx.doi.org/10.5614/j.tl.2020.26.2.3.

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Abstract. The downstream segment of Citarum River flows from Bendung Curug, Karawang Regency and ends at Muara Gembong, Bekasi Regency. The pollution of downstream segment of Citarum River is caused by settlement, agriculture, farm, and industrial activities that dump their waste into river bodies. This causes a decrease in water quality and reduce the carrying capacity of the downstream segment of Citarum River pollutant. The purpose of this research was to analyze the pollutant load capacity (PLC) in downstream segment of Citarum River using QUAL2Kw model. This research was carried out downs

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Saily, R., and B. Setiawan. "Determination of carrying and load capacity using QUAL2Kw modeling simulation." IOP Conference Series: Earth and Environmental Science 737, no. 1 (2021): 012022. http://dx.doi.org/10.1088/1755-1315/737/1/012022.

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Hoseini, Yaser, and Pegah Hoseini. "Study the assimilation capacity of Gharehsou River using Qual2kw model." Journal of Applied Sciences and Environmental Management 22, no. 3 (2018): 324. http://dx.doi.org/10.4314/jasem.v22i3.6.

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Aldi, Yanto Wilma Nurrul Adzillah Fatma Nurkhaerani. "Pemodelan Sebaran BOD dan COD Pada Sungai Cigentis Menggunakan QUAL2Kw." TEKNIKA 19, no. 2 (2025): 373–84. https://doi.org/10.5281/zenodo.14635821.

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Pencemaran air Sungai Cigentis akibat limbah domestik dan aktivitas pertanian menurunkan kualitas air dan mengancam lingkungan. Penelitian ini bertujuan untuk memodelkan distribusi konsentrasi Biochemical Oxygen Demand (BOD) dan Chemical Oxygen Demand (COD) di Sungai Cigentis, menggunakan perangkat lunak QUAL2Kw. Data diambil melalui metode grab sampling pada tiga segmen sungai hulu, tengah, dan hilir, dan dianalisis berdasarkan skenario debit maksimum dan debit aktual. Hasil penelitian menunjukkan peningkatan konsentrasi BOD dan COD serta penurunan pH pada debit maksimum, dengan konsentrasi t

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Riza Rizki Islani, Salih Muharam, and Lela Mukmilah Yuningsih. "PENENTUAN KELAS SUNGAI CIMAHI KABUPATEN SUKABUMI DENGAN MENGGUNAKAN SOFTWARE QUAL2KW." SANTIKA is a scientific journal of science and technology 15, no. 1 (2025): 32–46. https://doi.org/10.37150/fffm5v31.

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Sungai merupakan sumber daya air yang dimanfaatkan oleh manusia sehingga harus dijaga kualitasnya agar tidak terjadi pencemaran terhadap sungai. Namun realitanya jumlah limbah cair yang dibuang ke sungai semakin lama semakin meningkat sehingga menyebabkan terjadinya pencemaran sungai dan terjadinya penurunan terhadap kualitas air Sungai. Penelitian ini bertujuan untuk menentukan sungai Cimahi yang menjadi lokasi pembuangan air, dan aiktivitas masyarakat seperti industri dan pemukiman masuk kedalam kelas 1,2.3 atau 4, selain itu untuk menentukan atau mengetahui seberapa besar beban pencemaran y

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Cho, Jae Heon, and Jong Ho Lee. "Automatic calibration and selection of optimal performance criterion of a water quality model for a river controlled by total maximum daily load (TMDL)." Water Science and Technology 79, no. 12 (2019): 2260–70. http://dx.doi.org/10.2166/wst.2019.222.

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Abstract When manually calibrating water quality models, considerable time and attention are required. Hence, developing an automated model that allows for efficient and objective automatic calibration is highly desirable. The QUAL2Kw model calibrates the QUAL2K automatically using a genetic algorithm (GA). This study analyzes auto-calibration results and selects the optimal criterion for each objective function from six performance criteria. Additionally, a multi-objective auto-calibration was conducted using two kinds of performance statistics as the objective function of the GA. The auto-ca

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Ilfan, Freddy, Lailal Gusri, Winny L.C.H, and Citra Rebekka Maulina Siregar. "Analisis Daya Tampung Beban Pencemar Biochemical Oxygen Demand (Bod) dan Chemical Oxygen Demand (COD) di Sungai Tembuku Kota Jambi Menggunakan Model QUAL2KW." Jurnal Daur Lingkungan 5, no. 2 (2022): 68. http://dx.doi.org/10.33087/daurling.v5i2.145.

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Tembuku River is one of the tributaries of Batanghari River in Jambi City which is located across Thehok Village to Simpang Lampu Merah Sijenjang-Pasar Kasang. Tembuku River has the highest pollution level compared to other tributaries with the BOD value of the upstream is 38,5 mg/l and downstream is 86 mg/l, the COD value of the upstream is 42,5 mg/l, and the downstream is 95 mg/l. This research was conducted to analyze the pollutant Load Capacity of Biochemical Oxygen Demand (BOD) and Chemical Oxygen Demand (COD) that can be received by Tembuku River using Qual2kw model. Qual2kw model is a r

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Santiari, Made, I. Wayan Nuarsa, and I. Wayan Budiarsa Suyasa. "PENETAPAN DAYA TAMPUNG BEBAN PENCEMARAN SUNGAI BADUNG DI DESA PEMOGAN." ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) 10, no. 2 (2016): 142. http://dx.doi.org/10.24843/ejes.2016.v10.i02.p10.

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The water quality of Badung River in Pemogan village has exceeded the threshold limits.Therefore, It is needed to determinate the carrying capacity of Badung River. The determination of carrying capacity is very useful to control the disposal of waste into the Badung River. The objective of this study were to determine the sources of pollution, pollutant load and load capacity of Badung river at Pemogan village. Determination of pollutant source done with looked for land use and types of activities along the Badung river Pemogan village followed by field inspections. The pollution load was det

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Ahmad, Richarta Vichotama Nur Aziz, Riyanto Haribowo, and Tri Budi Prayogo. "Analisa Kualitas Air Sungai Tukad Badung, Denpasar, Bali Menggunakan Program QUAL2Kw." Jurnal Teknologi dan Rekayasa Sumber Daya Air 1, no. 1 (2021): 40–51. http://dx.doi.org/10.21776/ub.jtresda.2021.001.01.04.

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Sungai Tukad Badung secara fisik terbilang baik, namun memiliki kualitas air yang buruk. Penelitian ini bertujuan untuk mengetahui kondisi eksisting kualitas air Tukad Badung dan mengetahui kondisi daya tampung pencemaran berdasarkan analisa program QUAL2Kw. Dari hasil analisa, kondisi kualitas air pada daerah studi menunjukkan dua dari delapan parameter (Fosfat dan BOD) tidak memenuhi baku mutu kelas II. Sedangkan Daya Tampung Pencemaran sungai Tukad Badung pada TSS yakni 17,77 ton/hari, pada BOD 27,49 ton/hari, pada COD 93,63 ton/hari, dan pada Fosfat 7,65 ton/hari. Pada prediksi kualitas ai

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Ciawi, Y., P. M. D. Padilla, and M. I. Yekti. "The strategy of Tukad Badung pollution control using QUAL2Kw and AHP." IOP Conference Series: Earth and Environmental Science 1117, no. 1 (2022): 012071. http://dx.doi.org/10.1088/1755-1315/1117/1/012071.

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Abstract Tukad Badung is the major river flowing through Denpasar, the capital city of Bali Province, Indonesia. It is polluted by domestic dan industrial waste which is contributed by surrounding communities such as hotels, shopping area, animal husbandry, printing industries, tofu and tempeh industries industry, and housing area. This research aims to analyse the quality of the water and determine the best among options provided to overcome the pollution problem conducted by using two analytical programs, i.e. QUAL2Kw and Analytical Hierarchy Process (AHP). According to the results of QUAL2K

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Fadhil, Rifqy, Emma Yuliani, and Tri Budi Prayogo. "Analisis Kualitas Air Menggunakan Metode Indeks Pencemaran, CCME-WQI, dan Qual2Kw Pada Sungai Sungai Metro, Kabupaten Malang, Jawa Timur." Jurnal Teknologi dan Rekayasa Sumber Daya Air 5, no. 1 (2025): 40–51. https://doi.org/10.21776/ub.jtresda.2025.005.01.005.

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Pengaruh dari tata guna lahan pada suatu daerah tangkapan air sangat mempengaruhi peran dari kualitas air terutama air bersih. Maka dari itu diperlukan adanya penelitian pada Sungai Metro yang bertujuan untuk mengetahui apa saja yang menjadi penyebab pencemaran dengan menganalisis karakteristik dan status mutu air pada sungai menggunakan metode Indeks Pencemaran, CCME-WQI, dan Qual2Kw. Selain daripada itu, tujuan dari studi ini dilakukan adalah untuk memberikan sebuah gambaran bagaimana sebaran beban pencemaran dari titik bagian hulu penelitian sampai dengan titik hilir penelitian Sungai Metro

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Patel, Hiralkumari B., and Dr Namrata D. Jariwala. "Analyzing the Effect of Temperature on DO and BOD of the Tapi River using QUAL2Kw Model." International Journal of Innovative Technology and Exploring Engineering 12, no. 2 (2023): 1–5. http://dx.doi.org/10.35940/ijitee.b9394.0112223.

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Environmental pollution and climate change is the ultimate result of rapid urbanization. The change in environmental conditions due to undesirable human activities increases local ambient temperature hence it is leading to a rise in the river water temperature. Tapi river is the main source of drinking water for Surat city, Gujarat, India. A stretch of river Tapi has been studied from Kamrej to Causeway which has a stretch of about 22.39 km. The river water quality was found to be degraded due to the excessive discharge of pollutants from various points and non-point sources. Extreme discharge

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Hiralkumari, B. Patel, and Namrata D. Jariwala Dr. "Analyzing the Effect of Temperature on DO and BOD of the Tapi River using QUAL2Kw Model." International Journal of Innovative Technology and Exploring Engineering (IJITEE) 12, no. 2 (2023): 1–5. https://doi.org/10.35940/ijitee.B9394.0112223.

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<strong>Abstract: </strong>Environmental pollution and climate change is the ultimate result of rapid urbanization. The change in environmental conditions due to undesirable human activities increases local ambient temperature hence it is leading to a rise in the river water temperature. Tapi river is the main source of drinking water for Surat city, Gujarat, India. A stretch of river Tapi has been studied from Kamrej to Causeway which has a stretch of about 22.39 km. The river water quality was found to be degraded due to the excessive discharge of pollutants from various points and non-point

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Elida Novita, Rodzika Diah Mauvi, and Hendra Andiananta Pradana. "STUDI PENENTUAN DAYA TAMPUNG BEBAN PENCEMARAN SUNGAI BEDADUNG KABUPATEN JEMBER MENGGUNAKAN QUAL2Kw." Jurnal Keteknikan Pertanian 10, no. 1 (2022): 77–84. http://dx.doi.org/10.19028/jtep.010.1.77-84.

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Sungai Bedadung merupakan sungai utama yang melintas di Kabupaten Jember. Sungai tersebut menjadi sumber baku air bagi perumdam yang memberikan pasokan air bersih bagi masyarakat kota. Peningkatan jumlah penduduk pada wilayah tersebut berdampak pada tingginya aktivitas masyarakat yang mengakibatkan penurunan kualitas air Sungai Bedadung, sehingga perlu adanya upaya pengelolaan kualitas air. Penelitian ini bertujuan untuk melakukan penilaian kualitas air Sungai Bedadung menggunakan pemodelan QUAL2Kw guna diperoleh kualitas air sungai sesuai dengan pemanfaatnya. Metode yang digunakan antara lain

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Lestari, Sri, Diana Arfiati, Aniek Masrevaniah, and Moch Sholichin. "Study of carrying capacity of Karang Mumus River using the QUAL2Kw Program." International Journal of Agriculture & Environmental Science 6, no. 6 (2019): 67–72. http://dx.doi.org/10.14445/23942568/ijaes-v6i6p110.

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Gikas, Georgios D. "Water Quality of Drainage Canals and Assessment of Nutrient Loads Using QUAL2Kw." Environmental Processes 1, no. 4 (2014): 369–85. http://dx.doi.org/10.1007/s40710-014-0027-5.

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Ali Aulia Ghozali, Yoshua, Dewi Eviane, and Agnes Dyah Novitasari Lestari. "ANALISIS DAYA DUKUNG SUNGAI MENGGUNAKAN QUAL2Kw: STUDI KASUS SEGMEN SUNGAI GAJAHWONG, YOGYAKARTA." Jurnal Rekayasa Lingkungan 24, no. 1 (2024): 27–38. https://doi.org/10.37412/jrl.v24i1.260.

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Beberapa simulasi penentuan status mutu air Sungai Gajahwong, dan analisis pola penyebaran dan pencemaran pada air Sungai Gajahwong telah dilakukan dalam penelitian ini. Segmen yang diteliti berada pada segmen kawasan perkotaan, yakni dari titik Jembatan Balérejo hingga Bendungan Wirokertèn (6,84 km), sebanyak 7 titik pengambilan sampel. Data hasil pengamatan di lapangan kemudian dianalisis menggunakan Qual2Kw. Parameter yang diujikan yakni: pH, nitrat, fosfat, BOD, DO, dan suhu. Penelitian dilakukan pada Juni 2022. Model yang dibangun berdasarkan data input memiliki nilai eror yang rendah (U

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Cho, Jae Heon. "Comparative analysis of auto-calibration methods using QUAL2Kw and assessment on the water quality management alternatives for Sum River." Journal of Environmental Impact Assessment 25, no. 5 (2016): 345–56. http://dx.doi.org/10.14249/eia.2016.25.5.345.

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Soares, Samara, Joel Vasco, and Paulo Scalize. "Water Quality Simulation in the Bois River, Goiás, Central Brazil." Sustainability 15, no. 4 (2023): 3828. http://dx.doi.org/10.3390/su15043828.

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The Cerrado is a hotspot for biodiversity conservation and holds the headwater springs that are major Brazilian river basins. The development of industry, agriculture, and mining causes water quality deterioration. Mathematical models appear as a management tool to simulate water quality parameters and the dispersion of pollutants in water bodies. Thus, this study aimed to evaluate the behavior of dissolved oxygen (DO) and other parameters through the QUAL2Kw (Stream Water Quality Model) model in a river in the Brazilian Cerrado. Complementary data were obtained in four experimental measuremen

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Hermawan, Dedy, Ardianor Ardianor, Herry Redin, and Soaloon Sinaga. "Analisis Beban Pencemar Maksimum Air Limbah Kelapa Sawit Menggunakan Model Qual2kw Di Sungai Kahayan Kabupaten Pulang Pisau." Journal of Comprehensive Science (JCS) 3, no. 3 (2024): 689–701. http://dx.doi.org/10.59188/jcs.v3i3.653.

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Sungai Kahayan terletak di Provinsi Kalimantan Tengah yang bermuara di Kabupaten Pulang Pisau. Sungai Kahayan merupakan urat nadi kehidupan bagi masyarakat melalui melalui ekosistem perairan dan hutan di sekitarnya. Penggunaan lahan di Kabupaten Pulang Pisau didominasi oleh kelapa sawit dan karet sebagai komoditas utama. Perkebunan kelapa sawit yang memiliki izin adalah seluas ± 138.076 Ha tersebar di 6 (enam) Kecamatan di Kabupaten Pulang Pisau. Sungai Kahayan menjadi salah satu media penerima air limbah dari pabrik kelapa sawit. Status mutu air Sungai Kahayan adalah tercemar ringan dengan pa

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Setiawan, Akhmad Darajati, M. Widyastuti, and M. Pramono Hadi. "Water Quality Modeling For Pollutant Carrying Capacity Assessment Using Qual2Kw In Bedog River." Indonesian Journal of Geography 50, no. 1 (2018): 49. http://dx.doi.org/10.22146/ijg.16429.

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Considering the abundance of potential pollutant sources along Bedog River, i.e. highly dense residential areas, agricultural lands, and industrial areas, this study aimed to quantitatively assess the Pollutant Load (PL) and Pollutant Carrying Capacity (PCC) of the river based on Chemical Oxygen Demand (COD) and Biological Oxygen Demand (BOD)parameters. The assessment employed a water quality modeling using Qual2Kw that provided not only the comprehensive values of PL and PCC but also the amount of PL that should be reduced to meet the PCC of every river segment. Water sampling and primary par

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Lestari, Handayani, Riyanto Haribowo, and Emma Yuliani. "Determination of Pollution Load Capacity Using QUAL2Kw Program on The Musi River Palembang." Civil and Environmental Science 002, no. 02 (2019): 105–16. http://dx.doi.org/10.21776/ub.civense.2019.00202.4.

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Hendrasarie, N., and I. D. A. Swandika. "Resistance of Loading Loads in Surabaya River and Its Branch with Qual2KW Model." Journal of Physics: Conference Series 1569 (July 2020): 042096. http://dx.doi.org/10.1088/1742-6596/1569/4/042096.

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Dika Triwanda, Moch. Sholichin, and Emma Yuliani. "Studi Analisa Kualitas Air Hulu Sungai Brantas Ruas Kota Malang Menggunakan Program QUAL2Kw." Jurnal Teknologi dan Rekayasa Sumber Daya Air 3, no. 2 (2023): 550–63. http://dx.doi.org/10.21776/ub.jtresda.2023.003.02.047.

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Bertambahnya penduduk, industri, dan berkembangnya kota-kota yang dilalui aliran Sungai Brantas jika tidak dikelola dengan baik dapat berdampak terhadap menurunnya kualitas air. Pengelolaan kualitas air sungai dengan melakukan pemantauan kualitas air secara berkala, penetapan daya tampung beban pencemaran, dan penerapan baku mutu air. Studi ini menggunakan permodelan kualitas air dengan menggunakan Program QUAL2Kw pada lokasi studi Jembatan Pendem sampai Jembatan Parseh Jaya untuk menganalisa kondisi mutu air, beban pencemaran, serta perhitungan daya tampung beban pencemaran. Hasil analisa did

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Kusumawardani, Nur Indah, Rizmi Yunita, and Abdur Rahman. "PENENTUAN INDEKS KUALITAS AIR (IKA) SUNGAI BARITO MENGGUNAKAN SOFTWARE QUAL2KW DI KAWASAN PULAU CURIAK, KABUPATEN BARITO KUALA PROVINSI KALIMANTAN SELATAN." AQUATIC Jurnal Manajemen Sumberdaya Perairan 7, no. 2 (2024): 1–76. https://doi.org/10.20527/aquatic.v7i2.3139.

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Penelitian ini dilakukan pada kawasan Pulau Curiak, Kota Banjarmasin, Kalimantan Selatan yang bertujuan untuk mengetahui standar mutu air berdasarkan indeks kualitas air, serta mengetahui kualitas air sungai barito berdasarkan kondisi eksitingnya. Metode yang dipakai metode Indeks Kualitas Air dan menggunakan proram Qual2Kw. Standar mutu air Sungai Barito berada dalam kategori sedang dengan nilai Indeks Pencemaran (IP) antara 1,115 hingga 3,935. Setelah ditransformasikan menjadi Indeks Kualitas Air (IKA), evaluasi menunjukkan nilai antara 50 hingga kurang dari 70. Kualitas air Sungai Barito da

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Kim, Eung-Seok, Moo-Jong Park, Doo-Kee Kang, and Hyun-Il Choi. "Gilanchon Watershed Water Quality Simulation Using QUALKO & QUAL2K." Journal of Korean Society of Hazard Mitigation 11, no. 6 (2011): 341–47. http://dx.doi.org/10.9798/kosham.2011.11.6.341.

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Camargo, Rodrigo de Arruda, Maria Lúcia Calijuri, Aníbal da Fonseca Santiago, Eduardo de Aguiar de Couto, and Marcos Dornelas Freitas Machado e. Silva. "Water quality prediction using the QUAL2Kw model in a small karstic watershed in Brazil." Acta Limnologica Brasiliensia 22, no. 4 (2010): 486–98. http://dx.doi.org/10.4322/actalb.2011.012.

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Saily, Randhi, and Sjelly Haniza. "Pendekatan Nilai Kualitas Air dengan Metode Model Qual2Kw pada Parameter Uji DO dan NH4." Siklus : Jurnal Teknik Sipil 6, no. 2 (2020): 167–73. http://dx.doi.org/10.31849/siklus.v6i2.4868.

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Sungai Siak merupakan sungai yang menjadi sumber air bagi masyarakat bahkan hewan dan tumbuhan untuk memenuhi kebutuhan sebagai kelangsungan hidup, sehingga kualtias air sungai ini perlu dijaga dan dipelihara. Analisa kapasitas muatan sumber polusi pada air sungai merupakan proses yang rumit sehingga dapat direpresentasikan dengan pendekatan model Qual2Kw. Model ini dapat mendeskripsikan hasil parameter kualitas air yang mendekati angka aktual setelah melakukan kalibrasi. Parameter DO pada skenario 1 dimana tidak menginput debit limbah atau sumber pencemaran maka segmen Tandun merupakan nilai

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Yaser, H., and H. Pegah. "Assimilation Capacity Changes of Gharehsou River, East of Ardabil Province, Iran using Qual2kw Model." Journal of Applied Sciences and Environmental Management 22, no. 7 (2018): 1077. http://dx.doi.org/10.4314/jasem.v22i7.14.

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Sharma, Deepshikha, Arun Kansal, and Greg Pelletier. "Water quality modeling for urban reach of Yamuna river, India (1999–2009), using QUAL2Kw." Applied Water Science 7, no. 3 (2015): 1535–59. http://dx.doi.org/10.1007/s13201-015-0311-1.

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Wardhani, Putri Ayu. "ANALYSIS OF BUDURAN RIVER WATER QUALITY USING QUAL2KW AS RAW MATERIAL FOR SIWALANPANJI IPA." Journal of Enviromental Engineering and Sustainable Technology 9, no. 2 (2022): 41–51. http://dx.doi.org/10.21776/ub.jeest.2022.009.02.1.

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Indriyani, Kus, Hayati Sari Hasibuan, and Misri Gozan. "Total Maximum Daily Load of the Curug Sub-district Segment of The Cirarab River, Indonesia." E3S Web of Conferences 202 (2020): 02010. http://dx.doi.org/10.1051/e3sconf/202020202010.

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Although The Cirarab River has a highly polluted status, it is used as a source for clean and drinking water for people in Tangerang City. Pollution occurs due to poor river quality management. This study examines the Total Maximum Daily Load/TMDL of The Cirarab River at The Curug Subdistrict Segment using QUAL2Kw with two modelling scenarios. The first scenario was used to obtain the existing load, and the second scenario was used to determine TMDL. The existing loads results obtained were 12,032.26 kgBOD/day and 48,946.69 kgCOD/day. The TMDL results obtained were 2,234.30 kgBOD/day and 18,61

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Pratiwi, Fika Dewi, Andi Gustomi, Fahri Setiawan, Mohammad Agung Nugraha, and Sulastri Arsad. "Analisis Daya Tampung Beban Pencemaran Perairan Sungai Baturusa." Jurnal Ilmu Lingkungan 22, no. 6 (2024): 1394–99. http://dx.doi.org/10.14710/jil.22.6.1394-1399.

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Evaluasi kondisi eksisting perairan sungai Baturusa terkait dengan banyaknya aktivitas manusia di sekitar wilayah sungai sangat penting dilakukan. Hal tersebut terkait dengan beban pencemaran perairan, sebagai dampak aktivitas manusia yang menyumbang limbah dan berpotensi mendegradasi kualitas perairan. Oleh karena itu, penelitian ini bertujuan untuk menganalisis kualitas perairan sungai Baturusa serta menganalisis daya tampung beban pencemaran perairan. Penelitian ini dilaksanakan pada bulan Juli-Agustus 2023, pada 6 titik sampling yang ditetapkan secara purposive sampling. Pengambilan sampel

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