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All Journal Indonesian Journal of Geography JURNAL TEKNOLOGI LINGKUNGAN Jurnal Geografi : Media Informasi Pengembangan dan Profesi Kegeografian Jurnal Teknosains Forum Geografi Jurnal Rekayasa Lingkungan J SIG (Jurnal Sains Informasi Geografi) Megasains
Setyawan Purnama
Fakultas Geografi UGM
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Energy Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

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Journal : Forum Geografi

 1 
Quality and Type of Chemical of Groundwater at Coastal Areas of Semarang Purnama, Setyawan
Forum Geografi Vol 18, No 2 (2004)
Publisher : Forum Geografi

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Abstract

There are two objectives of this researh. First, to identify and analyze the condition of ground water quality in the research area, and second to determined the chemial types of groundwater. To ahieve these objectives 59 groundwater samples were taken stratifiedly, base on the different of electrical conductance value. As a result, it is identified that most groundwater in the research area is not suitable for drinking water sources, because has high concentration of electrical conductance, turbidity, hardness, chloride, manganese, and salinity. Thiis conclusion is also supported by stiff diagram analysis. The result of Stuyfzand analysis shhows that the chemical types of groundwater is very variative. Groundwater in coastal areas has higher suply of saline water than fresh water.
Sistem Akuifer dan Potensi Airtanah Daerah Aliran Sungai (DAS) Opak Purnama, Setyawan; Suyono, Suyono; Sulaswono, Budi
Forum Geografi Vol 21, No 2 (2007): December 2007
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

Opak River Basin is an area with high concentration of settlement. Generally, the settlement use groundwater as a water source. Variation of groundwater condition cause differentiation of water usage in some regions. There are two objectives of this research. First, to determine aquifer system in the research area and second, to calculate the groundwater potential in each aquifer system. To achieve these objectives, aquifer system is determined base on its geology and geomorphology, whereas groundwater potency is calculated by static and dynamic approach. As a result, show that the aquifer system in Opak River Basin can be distinguished into seven aquifer system. There are The Upper Merapi Aquifer System, The Middle Merapi Aquifer System, The Lower Merapi Aquifer System, Baturagung Range Aquifer System, The Aquifer System of Baturagung Range Foot Slope, Sentolo Hill Aquifer System and Sanddune Aquifer System. Among the seventh aquifer system, The Middle Merapi Aquifer System, The Lower Merapi Aquifer System and The Sanddune Aquifer System have high productivity. Sentolo Hill Aquifer System and The Aquifer System of Baturagung Range Foot Slope Aquifer have low productivity, whereas The Baturagung Range is categorized as non akuifer.
Groundwater Conservation Model in Coastal Plain of Semarang City Purnama, Setyawan; Kurniawan, Andri; Sudaryatno, Sudaryatno
Forum Geografi Vol 20, No 2 (2006): December 2006
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

There are three objectives of this research. First, to build the model of groundwater usage and conservation in the research area. Second, to identify the behaviour of model in various usages and conservations. Third, to formulate the policy of groundwater resources management that suitable with the region caracteristic. As a result, show that the programme Powersim 2.5c can be used dan applied in hydrologis, especially in building groundwater conservation model. The conservation model that significantly suitable are to decrease the usage of water in domestic and industrial sector. Relationship by the third objectives, the some policies that can be carried out to conservations, namely decreasing water usage, restricting industrial growth, restricting settlement growth (especially in recharge area) and increasing the capacity of PDAM production.
Groundwater Conservation Model in Coastal Plain of Semarang City Purnama, Setyawan; Kurniawan, Andri; Sudaryatno, Sudaryatno
Forum Geografi Vol 20, No 2 (2006): December 2006
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v20i2.1814

Abstract

There are three objectives of this research. First, to build the model of groundwater usage and conservation in the research area. Second, to identify the behaviour of model in various usages and conservations. Third, to formulate the policy of groundwater resources management that suitable with the region caracteristic. As a result, show that the programme Powersim 2.5c can be used dan applied in hydrologis, especially in building groundwater conservation model. The conservation model that significantly suitable are to decrease the usage of water in domestic and industrial sector. Relationship by the third objectives, the some policies that can be carried out to conservations, namely decreasing water usage, restricting industrial growth, restricting settlement growth (especially in recharge area) and increasing the capacity of PDAM production.
Neraca Air di Pulau Bali Purnama, Setyawan
Forum Geografi Vol 23, No 1 (2009): July 2009
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v23i1.4999

Abstract

As a main destination of tourism in Indonesia, Bali develops rapidly. The impact of this phenomena is the increasing of water need in some sectors, whereas the available of water is constant. There are two objectives of this research. First, to calculate water available and water need in the research area, and second to analysis the water balance. Water available cover groundwater, rivers water and springs water, whereas water need cover domestic usage, industrial and hotel usage, cattle, fishery and irrigation. Groundwater is estimated by water balance concept, river water and spring data is collected from BPSDA Bali Province, whereas the water need is counted base on secondary data that collected from some departments in Bali Province. As a result, show that the water available in Bali Island is 2.604.483.300 m³/year, which consist of groundwater 693.296.200 m³/year, rivers water 1.903.678.000 m³/year and springs 7.509.600 m³/year. The water needs reach 1.213.625.300 m³/year, which consist of domestic usage 121.276.260 m³/year, industrial and hotel usage 20.038.068 m³/year, cattle 31.272.435 m³/year, fishery 125.305.574 m³/year and irrigation 915.733.000 m³/year. Base on the water balance ratio, it is known that the number of ratio is 47% that it means almost in critical point.
Quality and Type of Chemical of Groundwater at Coastal Areas of Semarang Purnama, Setyawan
Forum Geografi Vol 18, No 2 (2004)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v18i2.613

Abstract

There are two objectives of this researh. First, to identify and analyze the condition of ground water quality in the research area, and second to determined the chemial types of groundwater. To ahieve these objectives 59 groundwater samples were taken stratifiedly, base on the different of electrical conductance value. As a result, it is identified that most groundwater in the research area is not suitable for drinking water sources, because has high concentration of electrical conductance, turbidity, hardness, chloride, manganese, and salinity. Thiis conclusion is also supported by stiff diagram analysis. The result of Stuyfzand analysis shhows that the chemical types of groundwater is very variative. Groundwater in coastal areas has higher suply of saline water than fresh water.
Sistem Akuifer dan Potensi Airtanah Daerah Aliran Sungai (DAS) Opak Purnama, Setyawan; Suyono, Suyono; Sulaswono, Budi
Forum Geografi Vol 21, No 2 (2007): December 2007
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v21i2.2356

Abstract

Opak River Basin is an area with high concentration of settlement. Generally, the settlement use groundwater as a water source. Variation of groundwater condition cause differentiation of water usage in some regions. There are two objectives of this research. First, to determine aquifer system in the research area and second, to calculate the groundwater potential in each aquifer system. To achieve these objectives, aquifer system is determined base on its geology and geomorphology, whereas groundwater potency is calculated by static and dynamic approach. As a result, show that the aquifer system in Opak River Basin can be distinguished into seven aquifer system. There are The Upper Merapi Aquifer System, The Middle Merapi Aquifer System, The Lower Merapi Aquifer System, Baturagung Range Aquifer System, The Aquifer System of Baturagung Range Foot Slope, Sentolo Hill Aquifer System and Sanddune Aquifer System. Among the seventh aquifer system, The Middle Merapi Aquifer System, The Lower Merapi Aquifer System and The Sanddune Aquifer System have high productivity. Sentolo Hill Aquifer System and The Aquifer System of Baturagung Range Foot Slope Aquifer have low productivity, whereas The Baturagung Range is categorized as non akuifer.
Hasil Aman Penurapan Airtanah untuk Kebutuhan Non Pertanian di Kabupaten Bantul Purnama, Setyawan
Forum Geografi Vol 26, No 1 (2012): July 2012
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v26i1.5052

Abstract

There are three objectives of this research. First, to calculate the potency of groundwater in Bantul District, second, to calculate the utilization for non agricultural usage and third, to analyze the safe yield of groundwater exploitation for non agricultural usage. To achieve these objectives, groundwater potency is calculated by static method, i.e. by multiplying area width, aquifer thickness and specific yield. Non Agricultural usage is determined by calculating the water utilization for domestic, industry, hotel and livestock. Safe yield is calculated base on area width, groundwater fluctuation and its specific yield. The groundwater resources potency of research area that has area width 506,85 km², amounted 10.059.393.198 m³/year, whereas the safe yield is 260.365.868 m³/year. Water utilization for domestic, industry, hotel and livestock is 21.658.541 m³/year. Reviewed number of potency and utilization, the potency of groundwater in the research area is still able to meet its water needs for non agricultural because the usage have not exceeded its safe yield. Although the groundwater potency is high, the agricultural sector in Bantul District does not use groundwater resources significantly.
GROUNDWATER VULNERABILITY TO POLLUTION IN KASIHAN DISTRICT, BANTUL REGENCY, INDONESIA Purnama, Setyawan; Cahyadi, Ahmad
Forum Geografi Vol 33, No 2 (2019): December 2019
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v33i2.7672

Abstract

The groundwater vulnerability to pollution refers to the ease of pollutants reaching groundwater, so the groundwater will be polluted. The concept shows a probability that pollution will occured which basically bases on the assumption that the physical environment can prevent the flow of pollutants into the aquifer. The purpose of this study was to predict the vulnerability of groundwater in the study area against pollution. To achieve these objectives beside base on secondary data, also measured the depth of phreatic surface, slope and groundwater sampling. Location of measurement and sampling is determinated by considering location of infiltration measurement ever done by Purnama in 2017. To conduct groundwater vulnerability analysis on pollution in the study area, carried out by SINTACS Method which bases on a numerical system of weight and rating. Weight are determined based on the significance of the effect of the parameters on groundwater pollution, while the rating is determined based on the significance of the influence of variables in each parameters against groundwater pollution. As a result, it is known that groundwater vulnerability indeks in research area range from 117,0 to 189,9. According to criteria of SINTACS, the value are classified as moderate vulnerability and rather high vulnerability. Areas that include moderate levels of vulnerability generally located in Sentolo Formations that consist of limestone and has grumusol soil type. Areas that classified as rather high vulnerability is located in Yogyakarta Formation that consist of volcanic rock and has regosol soil type. Based on this phenomena, it can be said that geological aspect and type of soil greatly affect the vulnerability of groundwater to pollution in the research area.
Co-Authors Ahmad Cahyadi **) Andhika Puspito Nugroho ANDRI KURNIAWAN Andung Bayu Sekaranom Budi Sulaswono, Budi Febriarta, Erick La Musa Nasution, Mulia Rina, Timotius Ragga Slamet Suprayogi Sudaryatno Sudaryatno Suyono Suyono Tivianton, Tommy Ardian