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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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PENGARUH IRIGASI DAN NAUNGAN TERHADAP PRODUKSI TANAMAN CABE (CAPSICUM ANNUM) PADA LAHAN BERPASIR DI PANTAI GLAGAH, YOGYAKARTA Mawardi, Ikhwanuddin; Sudaryono, Sudaryono
Jurnal Hidrosfir Indonesia Vol 3, No 1 (2008)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

Coastal area is one of the marginal areas that is not suitable for agriculture field. However, bad quality of the area can be improved physically and chemically by adding some organic matters into the soil. Another factor that also plays an important role in improving the quality of sandy soil is weather, which consists of sun radiation, temperature, humidity, soil temperature, wind flow and rain fall. In order to obtain a good quality micro weather in a chili vegetation field, a cover may be placed above the vegetation to create a warm and wet micro weather which will free the vegetation from stress. Another important thing to attain success in productive agriculture is a certainty to get water or irrigation that can be engineered. Through those environmental engineering, an improvement on chili harvesting product has been achieved at Glagah Coast, West Progo, Yogyakarta.
KONDISI TERUMBU KARANG DI PULAU KARANG CONGKAK KEPULAUAN SERIBU Santoso, Arif Dwi
Jurnal Hidrosfir Indonesia Vol 5, No 2 (2010)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

Seribu Island corral reef and reef fish are endangered by natural impact, various pressures from inland activities and destructive fishing practices. Cumulatively, these pressures appear to have significantly degraded corral reefs and its ecosystem over time. Meanwhile the corral reef ecosystem condition determines surroundings biodiversity condition that impact to local community. Therefore,it is necessary to serve and monitor corral reef ecosystem regularly. This article showed that corral reef covering at Karang Congkak Island was more lower abaout 27.41%. Degraded corral reefs occurred by several factors: increasing water temperature due to climate change, bathymetry and tide and destructive activity likely un-friendly fishing, corral mining and tourism activity.
KAJIAN KUALITAS AIR WADUK TIRTA SHINTA DI KOTABUMI LAMPUNG Riyadi, Agung
Jurnal Hidrosfir Indonesia Vol 1, No 2 (2006)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

Tirta Shinta reservoir located at Wonomarto, North Kotabumi Lampung. Fiveteen year ago, this reservoir only use for wet rice field irrigation and the depth until 19 meter, but now the depth average just only 6 meter, many activities in the upper land and a lot of sedimentation. This reservoir condition be apprehensive, beside for used by irrigation, cultivation fish (karamba jaring apung) and tourisme, 40% surface water reservoir covered by grass wild and than degradation for fish production. Water quality for the Tirta Shinta reservoir still under standard quality (baku mutu) for fish. Dissolved oxygen (DO) surface water around 5 ppm, but at the bottom decrease until 2 ppm. Bakteri Coli containt is very hight until 1600 MPN/100ml, may be caused by a lot of fish cultivation activities, waste water domestic around the reservoir and no flushing water in the reservoir. Zeng (Zn) more until 0.112 mg/liter exceed quality standard (baku mutu) that is 0.05 mg/l. Ph relative acid around 5.5 – 6 and Pb under 0.001 mg/l.
KUALITAS AIR DI LAHAN BEKAS PENAMBANGAN NIKEL DI PULAU GEBE, MALUKU UTARA Wibowo, Mardi
Jurnal Hidrosfir Indonesia Vol 4, No 3 (2009)
Publisher : Jurnal Hidrosfir Indonesia

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Abstract

Since year 1977 until 2005, PT. ANTAM has been exploited nickel ore resources at Gebe Island – Center of Halmahera District – North Maluku Province. Mining activity, beside give economically advantages also cause degradation of environment quality espicially water quality. Therefore, it need evaluation activity for change and compare of water quality at GebeIsland after mining activity. In this research we took a field survey and got 4 samples (1 samples for undisturbed water : Niwisyo Lake; 3 samples for disturbed water : Check Dam, Port and Turap Ponds). And then these samples were analyzed at BIOTROP laboratory. Base on this research, the water quality in Niwisyo Lake [only BOD parameter exceed standard] andCheck Dam were classified in Class I [only Ni concentration (0,213 mg/lt) and suspended solid (12,93mg/lt) have high value] , water in port was Class III [only DHL parameter (567 μS) has high value] and water ini Turap Ponds was Class IV [only BOD (18,43 mg/l) and DHL (497 μS) parameter have high value]. This condition may be caused the rehabilitation activity in GebeIsland has been succeded.
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.
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)
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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.
HIDRO-BIOLOGI LARVA IKAN DALAM PROSES REKRUTMEN Amarullah, Muhammad Husni
Jurnal Hidrosfir Indonesia Vol 3, No 2 (2008)
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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.
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.
ASPEK GEOHIDROLOGI DALAM PENENTUAN LOKASI TAPAK TEMPAT PEMBUANGAN AKHIR SAMPAH (TPA) Wibowo, Mardi
Jurnal Hidrosfir Indonesia Vol 3, No 1 (2008)
Publisher : Jurnal Hidrosfir Indonesia

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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.
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.

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