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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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MENGAPA PH KOLAM BEKAS TAMBANG RELATIF STABIL?: STUDI KASUS PADA KOLAM SURYA DAN SANGATTA NORTH DI AREAL PT KPC SANGATTA KALIMANTAN TIMUR Santoso, Arif Dwi
Jurnal Hidrosfir Indonesia Vol 4, No 1 (2009)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

This study was carried out to verified the characteristics of water void in the conservation efforts in the coal mining area. The general sipnotic surveys were conducted in Surya and Sangatta void PT Kaltim prima Coal on-9 September, 2008. The monitoring data of water pH indicated that the spatial variation inpH in both void were small. The difference in pH between the surface and bottom of void water was less than 1.3.The other parameter such as dissolved oxygen, temperature and turbidity showed that both void have a good water as a normally waters. Stability in in the water quality especially in pH would causedby a smart management in acid mine drainage effort and highly pH buffer condition in mining area.
MODEL PENETUAN KAWASAN RESAPAN AIR UNTUK PERENCANAAN TATA RUANG BERWAWASAN LINGKUNGAN Wibowo, Mardi
Jurnal Hidrosfir Indonesia Vol 1, No 1 (2006)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

Regional spatial planning is done for anticipate increasing and developpingsocial-economic activity. Generally, spatial planning tend to spatial valueand economic value, on the other hand environmental value is ignored. Forexample : in saptial planning is no space for conservation area for rechargearea. For determine (mapping) suitability a zone for recharge area needrequirements or a model for guidelines to determine recharge area. Generallyrequirements or parameter are used for mapping recharge area are materialpermeability, rain intensity, soil, slope and depth of groundwater surface.
PERAIRAN SEBAGAI LAHAN BANTU DALAM PENGEMBANGAN PERTANIAN DI LAHAN RAWA LEBAK Djamhari, Sudaryanto
Jurnal Hidrosfir Indonesia Vol 5, No 3 (2010)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

Bog lebak farm, specially shallow lebak have potency to be developed to to become agriculture farm like rice field farm which is have irrigating. Farm lebak bog characteristic at the rains suffused by water and at dry season happened dryness, pond irrigate in shallow lebak bog do not go alongway so that in have paddy crop conducting to have risk lacking of water, good at a period of/ to growth or at a period of/to admission filling of fruit as a result fruit become small even do not contain, so that unattainable optimum productivity. Taken by step is to provide seed ready to plant before water pond dwindle. Seed conducted in territorial water with ploating system, by using materials, for example: bamboo, gegas leaf, and green algae from territorial water. Pursuant to result of Laboratory Majors Land, Faculty OfAgriculture, IPB, that nutricie element content can be used at phase growth of seed. Conducted of seed with system float in territorial water hence problem of is ready of seed at lebak bog farm which still suffused by water can overcome and crop will be able to be conducted at the time of water not less than 20 cm.
HIDRO-BIOLOGI LARVA IKAN DALAM PROSES REKRUTMEN Amarullah, Muhammad Husni
Jurnal Hidrosfir Indonesia Vol 3, No 2 (2008)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

Prior understanding of stock dynamics of adult fishes were unable to fully explain observed variability in stock size. It was realized that variable year- class success was most likely determined during early (larval-juvenile stages) in marine fishes. Survival of individuals at any stage of life requires adequate levels of performance against a variety of ecological challenges, such as obtaining food, evading predators and locating and remaining in suitable habitat. Knowledge of processes that strongly affect larval survival would provide early evidence of the abundance of the emerging year class.
STUDI BAKTERI HETEROTROPIK SEBAGAI INDIKATOR PENCEMARAN DI PERAIRAN SUNGAI BRANTAS Imamuddin, Hartati
Jurnal Hidrosfir Indonesia Vol 5, No 2 (2010)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

The experiment was carried out to study the level of pollution of organic substances entering Brantas River. The water samples were taken twice in a year from 5 stations(Juni dan Agustus 2006..). The number of bacteria was counted by plate count technique. Results showed that 17 species of heterotrophic bascteria were found in the first survey, and 16 species in the second survey, the number of species in first survey ang second survey is almost the same but different from species dominant because the water quqlity is also slightly change ( tables 4 and 7. Bacterial population was composed of various species and varied in each stasiun.The various of the species occuredbecause every species has different activity for degrading the types of waste. Pollution level is inversely correlated with number of heterotrophic bacteria.
ASPEK GEOHIDROLOGI DALAM PENENTUAN LOKASI TAPAK TEMPAT PEMBUANGAN AKHIR SAMPAH (TPA) Wibowo, Mardi
Jurnal Hidrosfir Indonesia Vol 3, No 1 (2008)
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Abstract

Final Waste Disposal Facilities (FWDF) often pollute the environment,especially in city that have limited area. Groundwater pollution is one of negative impact that is caused FWDF. For minimized the environmental pollution, FWDF should located at area that geologically appropriate. Regional feasibility analysis for FWDF especially from geohydrological aspect is the best first selection step for determine location of FWDF. Geohydrologival aspect include lithology, groundwater water table, slope, rainfall intensity, distance to river, distance to shoreline, distance to fault, volcano eruption, flood and conservation zone.
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.
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)
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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.
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.
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.

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