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The Assessment of Groundwater Vulnerability towards Contamination using the DRASTIC and NV Indexes in Banjarbaru City, South Borneo, Indonesia Firza Syarifa Zahra; Thomas Triadi Putranto
Indonesian Journal of Geography Vol 53, No 3 (2021): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.66716

Abstract

The current excessive use of groundwater is exacerbated by human activities, which directly or indirectly trigger surface pollution and gradually affect to the subsurface, including groundwater. Indonesia is one of the developing countries that encounter these obstacles, specifically Banjarbaru City in South Kalimantan Province and its surroundings. Hence, proper management is needed to maintain the sustainable function of groundwater, such as by determining its vulnerability index to pollution. This study used geospatial analysis to determine the intrinsic and extrinsic vulnerability of groundwater via the DRASTIC and NV index methods, respectively, through visual representations on a map. The validation involved the distribution of nitrate and nitrite values to review the relationship between vulnerability levels and the presence of anthropogenic influences. Subsequently, the results of the DRASTIC method showed that the study area is included in three vulnerability indexes, namely low (95-120), medium (120-160), and high (160-186). The NV method further indicated that the groundwater vulnerability indices are divided into four, namely very low (21.2-70), low (70-110), moderate (110-150), and high (150-186). Based on the results, the use of specific vulnerabilities was considered more effective than the intrinsic technique in determining the vulnerability index because the NV method considers land use as a parameter to provide more detailed outcomes.
Risk Assessment of Groundwater Abstraction Vulnerability Using Spatial Analysis: Case Study at Salatiga Groundwater Basin, Indonesia Thomas Triadi Putranto; Tri Winarno; Axel Prima Agita Susanta
Indonesian Journal on Geoscience Vol 7, No 2 (2020)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.7.2.215-224

Abstract

DOI:10.17014/ijog.7.2.215-224Salatiga Groundwater Basin (SGB) is located in Java Island, Indonesia. Administratively, it covers Semarang Regency, Salatiga City, and Boyolali Regency. Industry and community use groundwater to fulfil their daily need. Increasing number of deep wells that extract groundwater will cause some environmental problems, such as lowering groundwater level and subsidence at SGB. Thus, there is a need to assess the adverse impacts of groundwater abstraction. Risk assessment of groundwater vulnerability due to abstraction is the goal of this study. The research method was taking account of weighting of geological parameters, such as response characteristics of the aquifers, characteristics of aquifer storage, aquifer thickness, piezometric depth, and distance from the shoreline to conduct the groundwater vulnerability mapping. It was then overlaid on a map of regional spatial plan to develop the map of vulnerability risk due to abstraction. The groundwater vulnerability due to abstraction is categorized in the medium level. After being overlaid by the land use map, the risk of groundwater vulnerability due to abstraction is classified into three kinds, which are low, medium, and high. Regions with a low class can be neglected. Areas with moderate risk require an exhaustive review of technical requirements of the use of borewell. Areas with high-risk need a comprehensive consideration to use artesian wells by monitoring wells with drill licenses, tightening the permit to add new production wells, and conducting periodic review of groundwater monitoring.
Kajian Daya Tampung dan Mutu Kelas Air Daerah Aliran Sungai Banjir Kanal Timur, Kota Semarang Thomas Triadi Putranto; Novie Susanto
Jurnal Wilayah dan Lingkungan Vol 7, No 2 (2019): August 2019
Publisher : Department of Urban and Regional Planning, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jwl.7.2.121-136

Abstract

The increasing population every year and the rapid economic development in Semarang City caused environmental problems related to the water resources used. One of the impacts of environmental problems is the lowering water quality of the Banjir Kanal Timur (BKT) Watershed. The study aims to identify the potential and conditions of the BKT watershed, and river segmentation as a basis for determining representative monitoring points that are used to determine the capacity that is adjusted to the description of river water segmentation class. The methods were descriptive and quantitative analysis approach based on the observation and measurement in the field campaign as well as the laboratory analysis. In addition, this research was also compiling the QUAL2E modeling to determine estimation of contamination load and capacity of contamination of Banjir Kanal Timur. The results conducted that the BKT has poor water quality based on the parameters of DO, BOD, and fecal coliform, while for the NO3 and NO2 parameters indicate good water quality. Segment that has load capacity of BOD contamination is segment 1. Segments that have load capacity of Nitrite (NO2) and Nitrate (NO3) contents are segment 1 to segment 4. The segment which has load capacity of contamination of fecal coliform is segment 2. Thus, Segment 1 can be classified into second class while segment 2 goes into third class. Furthermore, segment 3 and 4 are into fourth class respectively.
PENYUSUNAN ZONA KONSERVASI DAN PEMANFAATAN AKUIFER BEBAS PADA CEKUNGAN AIRTANAH PAGATAN KABUPATEN TANAH BUMBU, KALIMANTAN SELATAN Agus Harjanto; Thomas Triadi Putranto; Widyanto David
TATALOKA Vol 21, No 3 (2019): Volume 21 No. 3, August 2019
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1123.451 KB) | DOI: 10.14710/tataloka.21.3.482-496

Abstract

Pagatan groundwater basin is located on Tanah Bumbu Regency, South Kalimantan Province with 506.714 Ha or 13,5%  from South Kalimantan total area. The increasing of population also affect the water demand as a human primary need. As one of the best sources for clean water, groundwater is being intensively extracted to fulfill the need of clean water until it becomes uncontrollable and damage the supply and demand equilibrium. This groundwater extraction has been turning uncontrollaby and decreasing the quantity and quality of groundwater. The purpose of this study is to know the water tables, to know the quality of groundwater, to determine the category of conservation zone and areas to be protected, and suitability of spatial planning of the region with conservation zone of research area. The method for this research is qualitative observation and descriptive. The method of observation is the measurement of water table, and sampling of wells, while the method of analysis is data processing which is done based on primary and secondary data obtained on field research data to determine the zone of conservation and groundwater utilization in in research area.The result showed that unconfined groundwater aquifers have groundwater flow pattern spreading flow towards South and Southwest. From the 150 groundwater samples, there are 9 samples that do not meet the requirements for drinking water.The construction of groundwater conservation zone is based on groundwater availability factor, the similarity of groundwater damage. 
APLIKASI GEOSPASIAL ANALISIS UNTUK PENENTUAN ZONA IMBUHAN AIRTANAH DI CAT WONOSOBO, PROVINSI JAWA TENGAH Thomas Triadi Putranto; Wahju Krishna Hidajat; Annita Kusuma Wardhani
TATALOKA Vol 19, No 3 (2017): Volume 19 Number 3, August 2017
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1866.826 KB) | DOI: 10.14710/tataloka.19.3.175-191

Abstract

Groundwater is the valuable resources for supplying daily necessity of human’s life that is going to increase in line with the increasing number of population. Therefore, groundwater needs to be well managed. Groundwater management can be done thoroughly within a groundwater basin for defining groundwater recharge zone. The groundwater recharge zone was conducted by applying geospatial analysis using weighted and scoring approach. This method was accomplished by overlaying the score of some parameters (hydraulic conductivity, precipitation, soil cover, slope, and groundwater depth of water table) using ArcGIS 10.3 software. The parameters were permeability of rocks, rainfall, soil type, slope and depth of superficial groundwater level. The result of geospatial analysis can be divided into two zones which are groundwater recharge zone and groundwater discharge zone. 
ANALISIS KERENTANAN AIRTANAH TERHADAP PENCEMARAN DI DATARAN ALLUVIAL KOTA SEMARANG MENGGUNAKAN METODE GOD DENGAN MEMANFAATKAN DATA RESISTIVITAS DAN DATA HIDROGEOLOGI Dhana Hastuti; Tony Yulianto; Thomas Triadi Putranto
Youngster Physics Journal Vol 5, No 4 (2016): Youngster Physics Journal Oktober 2016
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1188.293 KB)

Abstract

Groundwater is the water resources necessary for living things and the most desirable human. Groundwater needs to increase as the population increase. One example is in the Alluvial Plain of Semarang. To supply water necessary, the population use a tap of aquifer shallow wells. Shallow aquifer vulnerable to contamination due to the effect of shallow depth and human activities. Therefore there is a needed to conduct for research on the groundwater vulnerability due to contamination. GOD is the system to determine of value groundwater vulnerability due to contamination. The parameters used are the type of aquifer (G), type of lithology aquitard (O), and the depth to groundwater table (D). These three parameters derived from resistivity data and hydrogeology data. The results of the analysis by this method has three levels of vulnerability of groundwater due to contamination the area of the vulnerability of low, moderate, and high. So it is recommended that the analysis can be made of the green open area to reduce contamination and groundwater catchment area is formed, and restrict the activities to achieve economic gains and reduce the danger of environmental contamination.
ANALISIS INTRUSI AIR LAUT MEGGUNAKAN DATA RESISTIVITAS DAN GEOKIMIA AIRTANAH DI DATARAN ALUVIAL KOTA SEMARANG Tabitha Abid Ardaneswari; Tony Yulianto; Thomas Triadi Putranto
Youngster Physics Journal Vol 5, No 4 (2016): Youngster Physics Journal Oktober 2016
Publisher : Jurusan Fisika, Fakultas Sains dan Matematika, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1852.321 KB)

Abstract

emarang lowland-alluvial area is in the state of salt water intrusion, that has a direct impact to the groundwater quality. Groundwater quality is not only triggered by water level decreasing factors due to the groundwater exploitation,but also by the factor of lithology and aquifer condition. The purpose of this research is to know the resistivity rocks value, the value of groundwater quality, and to analyze the distribution of the estimated area that has been instuited by salt water. The result of processed data with Progress 3.0 is in the form of resistivity value which is correlated with groundwater quality testing value with salinity, electrical conductivity, dissolved oxygen, andpH parameters. Based on the geo-resistivity and groundwater geochemical data shows that there is intrusion salt water distribution area which occur in Trimulyo area with the resistivity value of 0,27 Ωm as the indicator of salinity and groundwater quality value parameters which show the salinity value of 3.600 mg/L, electrical conductivity of 6.370 μS/cm, dissolved oxygen of 0,8 ppm, and pH 7,7.
Pengukuran Tingkat Eko-Efisiensi Batik Cap Menggunakan Metode Life Cycle Analysis (Studi Kasus: Batik Encim pada Kampoeng Batik Kauman Pekalongan) Novie Susanto; Thomas Triadi Putranto
Jurnal Ilmu Lingkungan Vol 20, No 3 (2022): July 2022
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.20.3.654-664

Abstract

Batik merupakan budaya Indonesia yang unik dan harus dilestarikan, tak hanya itu, batik juga telah ditetapkan sebagai warisan budaya dunia. Dalam proses produksi batik tersebut terdapat berbagai dampak negatif terhadap lingkungan yang diakibatkan oleh besarnya limbah cair yang dihasilkan, penggunaan zat pewarna sintesis, dan sebagainya. Hal tersebut juga terjadi pada Kampoeng Batik Kauman Pekalongan dalam memproduksi batik cap khas yang disebut batik encim. Kampoeng Batik Kauman Pekalongan merupakan kampung batik dengan jumlah Industri Kecil Menengah (IKM) yang cukup besar yaitu sekitar 30 IKM berpotensi untuk menimbulkan dampak lingkungan yang besar pula. Demi menghasilkan produk yang efisien secara ekonomi dan ekologi, perlu dilakukan analisis eko-efisiensi dan besarnya biaya dampak lingkungan yang diperlukan atau eco-cost terkait proses produksi dimulai dari awal produksi hingga akhir produk jadi. Pengukuran eko-efisiensi dilakukan menggunakan pendekatan Life Cycle Assessment (LCA). Pengukuran LCA dilakukan melalui perhitungan cost benefit analysis, eco-efficiency index, eco-cost value ratio, dan eco-efficiency ratio. Teknik pengambilan data dilakukan melalui wawancara dengan pengurus Omah Kreatif Kampoeng Batik Kauman Pekalongan, pemilik dan pekerja IKM di Kampoeng Batik Kauman Pekalongan untuk mengetahui hal-hal terkait proses produksi, input, output, dan biaya-biaya yang terkait pada proses produksi. Hasil penelitian menunjukkan nilai eco-cost Rp 69.937,365 untuk setiap lembar batik encim dan nilai eko-efisiensi 1,178 yang lebih dari 1 menandakan produk yang dihasilkan telah menguntungkan dalam aspek ekonomi dan juga sustainable. Hal tersebut menandakan bahwa Kampoeng Batik Kauman Pekalongan harus mempertahankan dan meningkatkan nilai eko-efisiensinya dengan melakukan perbaikan pada proses produksinya menjadi lebih efisien pada aspek ekonomi maupun ekologi.ABSTRACTBatik is a unique Indonesian culture and must be preserved, not only that, but batik has also been established as a world cultural heritage. However, the batik production process can cause various negative impacts on the environment caused by the amount of liquid waste produced, the use of synthetic dyes, etc. This also happened to Kampoeng Batik Kauman Pekalongan in producing its well-known batik cap called batik encim. Kampoeng Batik Kauman Pekalongan is a batik village with a fairly large number of Small and Medium-Sized Entrepreneurs (SMEs) which is around 30 IKM has the potential to cause a large environmental impact as well. For the sake of producing economically and ecologically efficient products, it is necessary to do an eco-efficiency analysis and the number of environmental impact costs required (eco-costs) related to the production process starting from the beginning of production to the end of each finished product. This eco-efficiency measurement is carried out using the Life Cycle Assessment (LCA) method. LCA measurement is performed through the calculation of cost benefit analysis, eco-efficiency index, eco-cost value ratio, and eco-efficiency ratio. The data collection technique was carried out through interviews with the management of Omah Kreatif Kampoeng Batik Kauman Pekalongan, owners and workers of IKM in Kampoeng Batik Kauman Pekalongan to find out things related to the production process, inputs, outputs, and costs related to the production process.The results showed the eco-cost value of Rp 69,937,365 was obtained for each encim batik and an eco-efficiency value of 1.178 which was more than 1 indicates that the product produced was profitable in economic terms and also sustainable. This indicates that Kampoeng Batik Kauman Pekalongan must maintain and increase its eco-efficiency value by making improvements in its production process to be more efficient in economic and ecological aspects.
Studi Potensi Airtanah pada Cekungan Airtanah (CAT) Banyumudal, Kabupaten Kebumen, Jawa Tengah T. Listyani R.A.; Thomas Triadi Putranto
Jurnal Ilmu Lingkungan Vol 18, No 3 (2020): November 2020
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.18.3.531-544

Abstract

Cekungan Airtanah (CAT) Banyumudal terletak di Kabupaten Kebumen, seluas 67 km2. Mengacu pada peta geologi regional, daerah ini tersusun atas Formasi Halang, Kalipucang, dan Gabon. Maksud penelitian ini adalah menganalisis potensi airtanah CAT Banyumudal, baik secara kualitas maupun kuantitasnya. Metodologi yang digunakan adalah pengumpulan data sekunder, pemetaan hidrogeologi, akuisisi geolistrik konfigurasi Schlumberger dan uji pemompaan. Pemetaan hidrogeologi dilaksanakan pada 153 titik minatan, meliputi 110 sumur gali, 20 sumur bor, dan 23 mata air. Hasil pengujian laboratorium menunjukkan nilai daya hantar listrik airtanah sebesar 115 - 1.251 μS/cm pada sumur gali, 507- 981 μS/cm pada sumur bor dan 259 - 604 μS/cm pada mata air. Derajat keasaman (pH) airtanah pada sumur gali sebesar 5,761 - 8,5, pada  sumur bor 7,013 - 8,333 dan pada mata air 6,747 - 8,204.  Hasil plot diagram Stiff menunjukkan adanya 12 tipe airtanah, sedangkan plot diagram Piper menunjukkan 4 fasies airtanah, yaitu fasies alkaline earth water predominantly hydrogencarbonate, fasies alkaline earth water with higher alkaline content predominantly hydrogencarbonate, fasies alkaline water predominantly hydrogencarbonate, dan fasies alkaline water predominantly sulphate chloride. Hal tersebut menunjukkan bahwa airtanah di daerah penelitian berkualitas sedang – sangat baik. Hasil interpretasi geolistrik menunjukkan bahwa litologi bawah permukaan berupa batulempung, batulempung pasiran, batupasir, batugamping, breksi dan tuf. Hanya akuifer bebas yang berkembang di daerah penelitian. Cadangan statis airtanah di daerah penelitian sebesar 200,7×106 m3 sedangkan cadangan dinamis sebesar 33,4 × 106 m3. Daerah penelitian dapat dibagi menjadi dua zona potensi airtanah, yaitu zona potensi airtanah rendah pada akuifer bebas dengan debit optimum 0,553 -  1,492 L/dtk dan zona potensi airtanah sedang pada akuifer bebas dengan debit optimum 2,651 -  3,024 L/dtk.ABSTRACTBanyumudal Groundwater Basin (Banyumudal GWB) is located in Kebumen Regency, covering 67 km2 area. According to the regional geological map, the study area consists of Halang, Kalipucang and Gabon Formations. This study aims to analyze groundwater potency in Banyumudal GWB in quality and quantity. The method of study includes secondary data collection, hydrogeological mapping, geoelectric acquisition with Schlumberger configuration and pumping test. Hydrogeological mapping was done from 153 locations, consist of 110 dug wells, 20 deep wells and 23 springs. Result of the laboratory test shows that groundwater has electrical conductivity (EC) between 115 – 1,251 μS/cm in dug wells, 507 - 981 μS/cm in deep wells and 259 - 604 μS/cm in springs. Groundwater shows an acidity (pH) of 5,761 - 8,5 in dug wells, 7,013 - 8,333 in deep wells and 6,747-8,204 in springs. Result of the Stiff diagram plot shows that there are 12 types of groundwater, while the Piper diagram plot shows 4 groundwater facies namely alkaline earth water predominantly hydrogencarbonate, alkaline earth water with higher alkaline content predominantly hydrogencarbonate, alkaline water predominantly hydrogencarbonate, and alkaline water predominantly sulphate chloride facies. This result generally represent that groundwater in the study area is in the very good – medium range quality. Geoelectric results indicate subsurface litology as claystone, sandy claystone, sandstone, limestone, breccia and tuff.  It seems that only unconfined aquifers which exist in the study area. Groundwater reserves in study area include static reserves in amount of 200,7×106 m3 and dynamic reserves in amount of 33,4 × 106 m3. Based on quality and quantity of groundwater, there are two groundwater potential zones, that are low groundwater potential zone in unconfined aquifer with optimum discharge of  0,553 – 1,492 L/s and medium groundwater potential zone in unconfined aquifer with optimum discharge of 2,651 -  3,024 L/s.
River Water Quality Based on Macrozoobentic Bioindicators in the Wonocolo Traditional Oil Mining Area Laily Agustina Rahmawati; Norma Afiati; Thomas Triadi Putranto
Jurnal Ilmu Lingkungan Vol 19, No 1 (2021): April 2021
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.19.1.29-35

Abstract

Many studies declared traditional oil mining in Wonocolo caused pollution, including river pollution.  During Covid-19 Pandemic, traditional oil mining in Wonocolo has been interrupted because world oil prices decreased. This made selling price of crude oil in Wonocolo declined. This made traditional oil mining decreased because oil wells were temporarily closed. The decrease in traditional oil mining might affect river water quality in Wonocolo. In a prior  study, the researcher had investigated water quality of Bungsu and Kragsaan River in Wonocolo, based on physicochemical parameters. The river had improved quality during Covid-19 Pandemic, seen from the decrease in the content of several chemical pollutants. Through this study, the researcher examined macrozoobentos community structure as a bio indicator of water quality, like assessing water quality of Bungsu and Kragsaan River based on biological indicators. This study used observation method by determining sample points purposively. Sample of macrozoobentos was analyzed using biodiversity index of Shannon-Wiener, species evennes index, and dominance index. Results of study showed Bungsu River had low biodiversity (H’ index 0.000 – 1.040), distressed community at B-1 and B-3 but stable at B-2, like high dominance at B-1 and B-3 but low at B-2. Kragsaan River also had low biodiversity (H’ index 0.000 – 1.010), unstable community at K-1 and K-3 like distressed at K-2, and low dominance at K-2 and K-3 but medium at K-1. Based on H’ index, Bungsu River was in the heavily polluted category at B-1 and B-3 and the medium polluted category at B-2. Meanwhile, Kragsaan River was in the heavily polluted category at K-1 and K-2 and the medium polluted category at K-3. This means although decreased levels of chemical pollutants at the sampling locations meant an increase in quality of water body, river ecosystem had not been able to rejuvenate condition during Covid-19 Pandemic.
Co-Authors Agus Harjanto Agus Harjanto Aisyah Nur Isneni Aji Bagas Putro Anggraeni, Wahyu Dini Anik Sarminingsih, Anik Annita Kusuma Wardhani Apoina Kartini Arizatur Reza Wicaksono Aska Zakiya Asri Cahaya Hati Axel Prima Agita Susanta Daniel Setiawan Dedi Hermawan Devina Trisnawati Dhana Hastuti Dina Rahayuning Pangestuti Dina Rahayuning Pangestuti, Dina Doni Prakasa Eka Putra Erlangga Erlangga Fadilah, Amar Jihad Fatir Yuslihanu, Fatir Firza Syarifa Zahra Firza Syarifa Zahra Fuad Muhammad Fuad Muhammad Garindra Yogiswara Goji Pamungkas H Hadiyanto Hakkina, Delano Ichsan Hartanto, Fandika Virgiawan Haryono Setiyo Huboyo Hati, Asri Cahaya Heru Hendrayana Hidayatillah, Ahmad Syauqi I Made Adnyana Nala Imsak Aditya Respati Priyono Isti Karim Muhandini Jayawarsa, A.A. Ketut Kevin Alexander, Kevin Kresno Wikan Sadono M Rio Aulia Mahira Anaqah Huwaina Mochamad Arief Budihardjo Muhammad Iqbal Muhrozi Muhrozi Mustiono, Ady Rieo Wahyu Naintina Lisnawati Najib Najib Narulita Santi Nestri Martini Norma Afiati Novi Susanto Novie Susanto Pranata, Mathias Andika Setya Putri, Maya Aiko Salsabila Rahmawati, Laily Agustina Reddy Setyawan Rinal Khaidar Ali Rino Dwi Hutama Rr. Tony Yulianto Santhi Widyastuti Santi, Narulita Sapto Purnomo Putro Sinatrya Diko Prayudi Sinatrya Diko Prayudi Sri Sangkawati Suharyanto Suharyanto Susanta, Axel Prima Agita Susanta, Axel Prima Agita T. Listyani R.A. Taat Setiawan Taat Setiawan, Taat Tabitha Abid Ardaneswari Tri Winarno Truman Simaremare Umar, Savikri Misbahul Wahju Krishna Hidajat Wahju Krisna Hidajat Wahju Krisna Hidayat Widiarso Dian Agus Widyanto David Yanuar Niko Priambodo Zulfa Nindya Salsabila