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INDONESIA
Jurnal Hidrosfir Indonesia
Published by Badan Pengkajian dan Penerapan Teknologi
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Articles 128 Documents
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INTEGRATED MANAGEMENT OF CITARUM RIVER BASIN: A CASE STUDY TOWARD SUSTAINABLE DEVELOPMENT AND COMMUNITY PARTICIPATION Tjokrokusumo, Sabaruddin Wagiman
Jurnal Hidrosfir Indonesia Vol 1, No 2 (2006)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

Water quantity is perceived as a problem to meet increasing demands of present human population for food, drinking, hygiene, and other domestic use and industry. However, quality aspect have also become a growing concern as a result of untreated release of domestic, urban and industrial discharges as well as non pint sources, e.g. agriculture. Citarum river basin is one of the biggest river basins in Indonesia. It covers 608 000 hectares, including 7 regencies and 2 cities (Bandung and Cimahi) in the province of West Java. Its huge source of freshwater have been contaminated from point and non-point sources of pollution, resulting in its very poor quality of very strategic and important source of freshwater in Indonesia for generating electricity, irrigating agricultural land, supplying fresh drinking water, and farming fish and also creating eco-tourisms. In order to protect this important freshwater resource, Agency for the Assessment and Application of Technology (BPP Teknologi) in collaboration with local government of West Java Province implementing environmentally sound technology to manage water quality of Citarum River Basin properly. The objectives of this project are (1) to protect freshwater resource from pollution, (2) to reduce pollution loads from point and non-point sources, (3) to introduce best available management for minimizing pollution, (4) to create sustainable community for best management practices to protect their water front village. Share experiences and exchange information, knowledge, and technology was done through ASEM Water Net to develop international partnership on Integrated River Basin Management.
APLIKASI TEKNOLOGI EKSPLORASI UNTUK MENGKAJI SUMBERDAYA AIR TANAH DAERAH TELAGA BANTA, KABUPATEN TANAH DATAR Prayogo, Teguh
Jurnal Hidrosfir Indonesia Vol 4, No 2 (2009)
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Abstract

Water is a component in the earth that is very important for human life. Theavailability of water is always wanted to meet a demand of water supply,such as for drinking water, washing, taking a bath, and etc. Along withpopulation growth, so the need of water will be still increasing, includingTanah Datar. In this paper will be described concerning to characteristics,and condition of water in Tanah Datar Area, West Sumatera Province,especially Telaga Banta. This location occupies geographically between thelatitude of 00o17’ and 00o39’ south and the longitude of 100o19’ and 100o51’east Based on survey in field, condition of aquifer in Telaga Banta is locatedin 20 – 60 meter depth, and the result of laboratory points to that the qualityof water in this area meets the requirement for drinking water.
ANALISIS DAN KARAKTERISASI BADAN AIR SUNGAI, DALAM RANGKA MENUNJANG PEMASANGAN SISTIM PEMANTAUAN SUNGAI SECARA TELEMETRI Adi, Seno
Jurnal Hidrosfir Indonesia Vol 3, No 3 (2008)
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Abstract

Untuk mengetahui karakteristik suatu badan air sungai dengan lebar penampang yang cukup besar memerlukan pendekatan beberapa pengamatan dengan melakukan pengukuran secara vertikal maupun horizontal. Pengukuran vertikal adalah pengukuran secara memanjang dari sisi tepi yang satu kesisi tepi lawannya sedangkan pengukuran horizontal adalah dengan membagi kedalaman sungai. Sehubungan dengan akan dipasangnya suatu sistim pemantauan telemetri disungai Siak dimana sensor akan diletakkan pada tepi sungai dgn jarak kira-kira 20m daritepi sungai, maka untuk mendapatkan data yang mewakili telah dilakukanpengukuran secara vertical dengan interval 20 m dan pengukuran horizontal 0,5 m, 5 m, 10 m, 15 m dengan beberapa parameter yg diukur adalah temteratur, pH, kandungan Oksigen, konduktivitas, turbiditas, kecepatan aliran. Berdasarkan hasil pengukuran dan pengamatan dari beberapa parameter kuantitas dan kualitas air pada penampang badan air sungai, hanya kecepatan aliran sungai dan kandungan oksigen terlarut yang memiliki perbedaan yang signifikan. Kecepatan aliran sungai pada bagian tengah sungai dapat mencapai 10 x kecepatan aliran pada tepi sungai,terutama pada saat kondisi surut, sedangkan pada saat pasang hanya terjadi pengaliran dibagian tengah dan dibagian tepi sungai tidak terjadi pengaliran (kecepatan aliran 0). Sedangkan kandungan oksigen terlarut pada bagian tengah sungai menunjukkan nilai yang lebih besar sampai dengan 0,5 - 0,6 mg/l dibandingkan pada sisi tepi sungai. Dengan demikian penempatan alat ukur kualitas air maupun kuantitas air (terutama parameter kecepatan aliran) secara permanen yang biasanya hanya mungkin dilakukan pada bagian tepi sungai, perlu memasukkan faktor koreksi sebagai hasil final yang dapat mewakili konsidi suatu profil badan air sungai.
Kualitas Perairan di Muara Jangari – Waduk Cirata Garno, Yudhi Soetrisno
Jurnal Hidrosfir Indonesia Vol 2, No 3 (2007)
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Abstract

It has been known that Jangari is an area in Cirata reservoir that could be developed as tourism area. Lately, in this area have been developing many cages for fish culture that produce organic waste in huge number and polute this area. This research was conducted to know the status and dynamic of water quality in Jangari that receive organic waste in huge number. This research concluded that Jangari water body could be cited as an eutrophic water body. This conclusion was due to (i). The concentrations of phosphorus was always higher than 0,016 mg·l-1P and nitrogen total was always higher than 0,711 mgxl-1N; (ii). The density of fitoplankton in 25 cm depth was between 36.590 x103 and 40.710x103 ind.l—1; whereas in 150 cm depth was between29.620 x103 and 36.370 x103 ind.l—1. This phytoplankton community was dominated by Cyanophyta (70,9%-78.2%); (iii). The vanishing point of secchi disc was always smaller than 71 cm. Although the community of phytoplankton was dominated by cyanophyta, especially Microcystis sp dan Oscillatoria sp that have been known as an unpalatable algae but the presence of zooplankton in the water body could be detected. During the research zooplankton was dominated by copepoda, cladosera and rotifera with density fluctuate between 34-394 ind.l—1.The eutrophic status for Jangari, will threaten the sustainable potency for tourism area; and therefore it was suggested to build one management for Cirata reservoir which could be hoped to plan, do and evaluate the development of Cirata appropriate to the potency and carryng capasity of reservoir.Keywords: Jangari, Organic waste, Phytoplankton, Eutrophic.
SPATIAL DISTRIBUTION OF PHYTOPLANKTON AT THE HURUN BAY, LAMPUNG Darmawan, Rahmania A
Jurnal Hidrosfir Indonesia Vol 3, No 2 (2008)
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Abstract

It is already known that several ecological factors affected phytoplankton distribution in coastal waters, but since the global increase of Harmful Algal Blooms (HABs) phenomenon, people pay more attention on nutrient enrichment. Previous researches showed that HABs phenomenon was happened at the Lampung Bay, especially Trichodesmium erythraeum and Pyrodinium bahamense (Widiarti, 2000). This study was focus on spatial distribution of phytoplankton around the Hurun Bay. Seventeen sampling sites were investigated for phytoplankton assessment and the result showed that a high phytoplankton distribution was found close to coastal area andgetting decreased toward offshore. This phenomena was support by total phosphate concentration where their high concentration was found close to coastal area. During the observation, it was found that Leptocyindricus dominate the area beside Chaetoceros, which was also dominance at the station 8. Total nitrogen and dissolved oxygen distribution were almost the same among those stations. Furthermore, it could be concluded as well that Hurun Bay was tend to phosphate limited area.
ANALISIS KESEDIAAN MASYARAKAT MENERIMA PEMBAYARAN JASA LINGKUNGAN DALAM PENGELOLAAN AIR MINUM DI DAS CISADANE HULU Sutopo, M.Fauzi
Jurnal Hidrosfir Indonesia Vol 5, No 3 (2010)
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Abstract

Ecocentrisme paradigm in development are intended to ensure the sustainability of water resources in the future for future generations. The research methodology was conducted with the model approach the public's willingness to accept (receive) payment for environmental services (YWTA). The results in Willingness to Accept Model in Drinking Water Management in the Upstream Watershed Cisadane illustrates that the existence of community support during the response level of society's willingness to accept or receive payment for environmental services (YWTA) because it will affect the increased revenue (sig. 0037). Variable in income (YWTA) significant at 95% confidence level. Policy implications of this research that the community (upstream) is willingness to accept (WTA) for environmental services with averaging Rp 1.589,29 per m3 as payment or reward for environmental services to society (upstream), so the Government (Local)PES has a potential revenue to fund conservation of Rp 110,46 billion per years, but in current conditions the government only accepts Rp20.57 billion per year, so that only reached 18,62%.
DISTRIBUSI SALINITAS ESTUARIA DELTA MAHAKAM PERAIRAN KUTAI KARTANEGARA Riyadi, Agung
Jurnal Hidrosfir Indonesia Vol 1, No 3 (2006)
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Abstract

Many estuary have a different salinity distribution, influence for the differentlevel of tide, river discharge flow, velocity and current direction. Januari 2006 at Delta Mahakam, going to salinity measurement activity covered by four village closed to the sea, that is Kersik, Marang Kayu, Muara Jawa and Muara Kembang. Water deep at Delta Mahakam relatif shallow, around 0.5 – 9 meter. Every estuary founded 2 – 5 point measurement salinity from the surface water until bottom and found the different for the salinity distribution. Kersik region have a higher salinity until 30 psu, whereas at the Muara Kembang region salinity level only 12 psu with a distance from the coast line about 3 km. This location similar with the Muara Jawa region. Pattern circulation and stratification water estuary base for clasification, Marang Kayu region have a mix completelly or vertical homogeneous estuary, while a Kersik, Muara Kembang and Muara Jawa region have a moderat sratification estuary. This type is very common in Indonesia, fresh water flow throungh to the river very dominant at several estuary.
DISTRIBUSI BAHAN ORGANIK DI BENDUNGAN CIRATA Soetrisno, Yudhi
Jurnal Hidrosfir Indonesia Vol 4, No 3 (2009)
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Abstract

       It has been widely known that the Cirata reservoir has beenheavily polluted by waste from aquaculture and Industry. Thisresearch was conducted to determine the spread of organic matterin the waters of the Cirata reservoir       The result revealed that Cirata reservoir has heavily pollutedby organic waste, so since the year 1997 has become a hypertrophicwaters, and until the year 2003 the situation has not changed. If thepollutant load is not also decrease the Cirata reservoir feared wouldturn into "a the biggest cesspool in the world. that will create variousnegative impacts, like the mass death of fish culture whichsometimes have occurred in Cirata reservoir.       Organic matter (pollutant) in dam Cirata water bodiesdominated by dissolved organic matter with a range between 68,2-84,2 percent. Organic matter in the inlet water (derived from B.Saguling) tend to be greater than in the water at the outlet so thatimplied that some organic matter carried in water S. Citarum weresedimentated and decomposed in Cirata reservoir.       Fraction of life particle organic matter in total organic matterin the water in the Cirata reservoir and outlets tend to be larger thanthe water in the inlet which entering water from Saguling reservoir.
BENTIK MAKROINVERTEBRATA SEBAGAI BIOINDIKATOR POLUSI LAHAN PERAIRAN Tjokrokusumo, Sabaruddin Wagiman
Jurnal Hidrosfir Indonesia Vol 1, No 1 (2006)
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Abstract

Inline with increasing population growth and progressive development inIndonesia, implementation of environmental regulation and enforcement ofenvironmental law, aquatic ecosystem was impacted by wastewater pollutionfrom several sources, including point and non-point sources of pollution.Aquatic pollution could be seen physically and can be traced through chemical and biological monitoring. Biologically water pollution can be detected through occurrence of flora and fauna of stream dwelling organisms because they were interacted physically and adapted with daily pollution materials and wastewater loadings. Stream dwelling flora and fauna either benthic macro and micro organisms have ability to adapt and assimilate pollution based on their sensitivities. Therefore their variable sensitivities can be used for approaching water pollution index. Hynes (1977) stated that water flora and fauna can be used as indicators of water pollution, such as algae, bacteria, protozoa, macroinvertebrates, and fish. However, a group of macro-invertebrates has been used for biomonitoring for decades, because of their habitat preferential factors, their slow mobility, biodiversity, and sensitivity. In addition, macroinvertebrates can been seen with naked eyes or using only with simple devices. A macroinvertebrate is an organism without backbone dwelling water ecosystem as its niche and habitat. This animal is ubiquitous in freshwater habitat, and also in brackish water and even in marine environment. An effort to use this biota as indicator of water pollution has been attempted in foreign countries such as Europe, America and Australia, and even South Africa. We believe that this kind of method can be applied one day in Indonesia.
PEMETAAN TINGKAT KEPEKAAN LINGKUNGAN PESISIR DI KOTA SEMARANG Wibowo, Mardi
Jurnal Hidrosfir Indonesia Vol 4, No 1 (2009)
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Abstract

Coastal zone of Semarang area has big potencial in fishery, tourism, industrial and service activities. In development of Semarang’s coastal zone, is met much of environmental problems such as abration, land subsidence, sedimentation, water and land pollution and seawater intrusion. On the other hand, this area has limited carrying capacity and very sensitive to oil spill pollution and sedimentation. Therefore it is need index environmental sensitivity assessment/mapping with Geographical Information System (GIS) technology in Semarang’s coastal zone. For Semarang’s coastal zone development plan, should be: western part of Semarang’s coastal zone is developed as fishery cultivation; central part as industrial, residential area activity and eastern part as fishery activity with special treatment and protection.

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