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INDONESIA
Forum Geografi
ISSN : 08520682     EISSN : 24603945     DOI : -
Core Subject : Science,
Forum Geografi, Indonesian Journal of Spatial and Regional Analysis (For. Geo) is an open access, peer-reviewed journal that will consider any original scientific article for expanding the field of geography. The journal publishes articles in both physical and human geography specialties of interest to spatial analysis and regional analysis in (but not limited) Indonesia by applying GIS and/or remote sensing techniques.
Arjuna Subject : -
Articles 14 Documents
Search results for , issue " Vol 14, No 1 (2000)" : 14 Documents clear
Monitoring Vegetation and Watershed Hydrology Condition with Satellite Imagery in East Kalimantan Harjadi, Beny
Forum Geografi Vol 14, No 1 (2000)
Publisher : Forum Geografi

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Abstract

The technical Remote Sensing and Geographic Information System (GIS) had been used to detet vegetation changing of natural forest due to management differences. The target of the study were to determine classification method of satellite imagery in operational scale so that the method can be transfered and applicable for the user. The studied was done at forest concession of PT SLJ-IV (Sumalindo Lestari Jaya-IV), Yanjung Redeb, east Kalimantan Province. Landsat TM with 7 bands and high resolution of 1994 and 1996 were used to differentiate the condition before and after cutting in 1995. The analysis of the Landsats were only in the area where the TPTI (Indonesian Selective Logging System) and TPTI (Indonesian Strip Logging System) system applied. Based on the analysis and field check, it was found that the impact of logging caused decreasing dense forest about 21,3% and inreasing secondary forest around 6,3%. The highest dynamic of each band was band first and the lowest was band second. The differences in the mean of 2 band will give a more clear appearance of the  imagery.
Hydrological Characteristics of Kaligarang Watershed Soewarno, Soewarno; Yuningsih, Srimulat
Forum Geografi Vol 14, No 1 (2000)
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Abstract

This paper is a result of research concerning hydrological characteristic in the Garang Catchment Area. At present tha catchment area is often facing the problem of flooding in the dense populated area with cause a lot of loos in Semarang City. This research is aimed at studying hydrological harateristic in the Garang Catchment Area. Hydrological data are obtain from direct measurement at the stream gauging stations in the Garang Catchment Area and collected from Balai Hidrologi Office at Pusat Litbang Teknologi Sumber Daya Air in Bandung and from Hydrological Unit of Central Java Province. From this research were known the rainfall depth, their distribution and their return period; runoff coefficient; streamflow volume; dependable flow; flood discharge characteristi; and minimum discharge. From the some occuring flood indicates of the runoff coefficient is about 0.70. The water volume wasted to the sea is about 195 million m3/year. Yearly average of the dependable flow at stream gaunging stations: Garang – Pajangan  is about 2.28 m3/sec; Garang – Patemon is about 0.92 m3/sec and Kreo – Pancur is about 1.26 m3/sec. Yearly mean of annual flood discharge at Garang – Pajangan is about 435 m3/sec. The maximum capacity of river channel is about 485 m3/sec. The flood discharge characteristic are as follows: time of travel of flood is generally one km/hour approximately, rising time is about 3 hours and time of recession is about 6 – 11 hours. The floods, they are generally occur at the night. Flush flood of 1022 m3/sec occured on January 26, 1990 is estimated on 50 year return period, with 15 year return period of rainfall. The range of minimum discharge is about 0.43 – 3.15 m3/sec. The maximum discharge is about 47.2 – 1118 times of the minimum discharge. Design of the dam in Kreo River at Jatibarang and Kripik River at Mundingan, also increasing of the reforestation area in the upstream catchment are an alternative to reduce the Garang River peak flood.
Social-Economics Integration of Dualistic Settlement Environment at Urban Areas in Indonesia (Case Study in Yogyakarta City) Baiquni, Muhammad
Forum Geografi Vol 14, No 1 (2000)
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Abstract

Dualistic pattern of settlement is a new phenomena in some areas of Indonesian cities. Such phenomena may reate increasing tensions which lead to emerging potential onflicts among different groups. In managing such potential conflicts, it is important to study many aspects of dualistic settlements, not only in term of physical spatial pattern but also socio-economic pattern in various strate as well as various location in the urban and it surround. This research is aimed at understanding the characteristic and process of emerging dualistic sttlements in Indonesia, further this research attempt to study the pattern and the forms of socio-economic integration of the community. The research approach is aimed at understanding the characteristic and process of emerging dualistic settlement in Indonesia, futher this research attempt to study the pettern and the form of socio-economic integration of the community.
Soil Sequence at Western Slope of Lawu Volcano Jamulya, Jamulya
Forum Geografi Vol 14, No 1 (2000)
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Abstract

The objectives of this  study was sto know the soil sequence according to topographic position on west part of Lawu volcano. Interpretation of topographic map and landsat image, making topographic cross section from upper slope, lower slope to fluvio volcanic plain were carried out for reference the location of soil profile morphological description. Soil morphological description in representative soil profile on every landscape unit. Taking soil samples for analysing physical and chemical properties to know soil development. The result indicated  that go down to the slope, from upper slope, lower slope to fluvio volcanic plain, there were 4 soil landscape or 4 soil great group i.e. Melamudands (Andosol), Eutrudepts (Latosol), Ferrudalfs (Mediteran), and Udifluvents (Alluvial).
Motivation and Characteristics of Poor Household on Selecting to Live at Sawahan Village, Sangkrah, Pasar Kliwon Dahroni, Dahroni; Astuti, Wahyuni Apri; Sumardi, Sumardi
Forum Geografi Vol 14, No 1 (2000)
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Abstract

This research tahes the title “motivation and Characteristics of Poor Household That Choosing o Live in Kampung Saahan, Kelurahan Sangkrah, Kecamatan Pasar Kliwon”. The research problem is, what is the motivation that encouraging resident aspirants who choosing Kampung Sawahan as their residences and the characteristics of poor households in terms of why do they choose Kampung Sawahan as tehir residences. The number of settlers population in Kampung Sawahan is 113 households. The research sampling was 100 household respondents. The research method used survey methods. Respondents were taken proportionally by random sampling from the population 113 households in Kampung Sawahan. Data analysis used frequency table analysis and cross table. The result of research showed that the encouraging motivation in choosing Kampung Saahan as their residences is, they feel the location is strategic enough, because it near trading centers where they work. Beside that there is s research result identifying the characteristic problems of poor households in terms of why do they chose to live in Kampung Sawahan, Kelurahan Sangkrah. The result is, their choices are based on assumptions that they can not buy a house because their poor incomes so that they rent a house from the owner.
Consumption of Water for Household Needs and the Affecting Factors at Banyudono Boyolali Anna, Alif Noor; Kaeksi, Retno Woro; Priyana, Yuli
Forum Geografi Vol 14, No 1 (2000)
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Abstract

The consumption of drinking water for a community is different from one area to the other. This is normally influenced by the population development, socio-economic, cultural, and physical conditions mainly related to the supply of drinking water and how to exploit it. Banyudono district is an area located in the regency of Boyolali. The development of this area depends on Boyolali City and Kartasura district. Such a location enables the area to have a process of the physical and socio-economi developments. In addition, it has an influence upon social behaviour to consume water. This research is aimed at knowing the average consumption of household need and analyzing the factors influencing the utilization of water as drinking water. The result of this research indicated that 1) the average consumption of a human being for drinking water was 79,37 litter a day. It means that the onsumption of a human being for drinking ater generally ranged from 60 to 80 litter a day; 2) most of the ater was consumed to meet basic needs such as cooking, drinking, bathing, and washing; 3) the difference of the average consumption was influenced by the kind of water source and how to exploit it; 4) a parameter of the most significant socio-economic condition that took effect on the average consumption for drinking water was the parameter of income with correlation of 0.362 and the significant level of 0.01.
Utilization of Groundwater, Spring, and the Surface Water for Drinking Water Service for the People of Surakarta PDAM Surakarta, Team
Forum Geografi Vol 14, No 1 (2000)
Publisher : Forum Geografi

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Abstract

Case study: utilizing the groundwater, water resources, and surface of water to supply the drinking water for the inhabitants is Surakarta. Of the early target at 75%, the supply of drinking water for the inhabitants in Surakarta only achieves 44%. Because of this, the Regional Drinking Water ompany (PDAM) of Surakarta made a decision to: 1) utilize the debit of water production by making a deep well at a capacity of 30 liters a second for a short term, and on the basis of the study of water resource for Surakarta, for a long term; 2) minimize the water loss from 37% to 22%; and 3) fix and extend the network of distribution. In a comprehensive consideration, there are two alternatives to add the debit of water production water: 1) utilazing the water supply at 50 liters a second from Mount Lawu. However, this is not sufficient to supply the drinking water at a capacity of 200 liters a second; and 2) utilizing the water from Colo Dam with the IPA system. This can hopefully fulfill a lack of drinking water supply at 200 liters a second. However, utilizing the natural water from the groundwater must be continued to decrease PDAM’s supply.
Consumption of Water for Household Needs and the Affecting Factors at Banyudono Boyolali Anna, Alif Noor; Kaeksi, Retno Woro; Priyana, Yuli
Forum Geografi Vol 14, No 1 (2000)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v14i1.448

Abstract

The consumption of drinking water for a community is different from one area to the other. This is normally influenced by the population development, socio-economic, cultural, and physical conditions mainly related to the supply of drinking water and how to exploit it. Banyudono district is an area located in the regency of Boyolali. The development of this area depends on Boyolali City and Kartasura district. Such a location enables the area to have a process of the physical and socio-economi developments. In addition, it has an influence upon social behaviour to consume water. This research is aimed at knowing the average consumption of household need and analyzing the factors influencing the utilization of water as drinking water. The result of this research indicated that 1) the average consumption of a human being for drinking water was 79,37 litter a day. It means that the onsumption of a human being for drinking ater generally ranged from 60 to 80 litter a day; 2) most of the ater was consumed to meet basic needs such as cooking, drinking, bathing, and washing; 3) the difference of the average consumption was influenced by the kind of water source and how to exploit it; 4) a parameter of the most significant socio-economic condition that took effect on the average consumption for drinking water was the parameter of income with correlation of 0.362 and the significant level of 0.01.
Utilization of Groundwater, Spring, and the Surface Water for Drinking Water Service for the People of Surakarta PDAM Surakarta, Team
Forum Geografi Vol 14, No 1 (2000)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v14i1.453

Abstract

Case study: utilizing the groundwater, water resources, and surface of water to supply the drinking water for the inhabitants is Surakarta. Of the early target at 75%, the supply of drinking water for the inhabitants in Surakarta only achieves 44%. Because of this, the Regional Drinking Water ompany (PDAM) of Surakarta made a decision to: 1) utilize the debit of water production by making a deep well at a capacity of 30 liters a second for a short term, and on the basis of the study of water resource for Surakarta, for a long term; 2) minimize the water loss from 37% to 22%; and 3) fix and extend the network of distribution. In a comprehensive consideration, there are two alternatives to add the debit of water production water: 1) utilazing the water supply at 50 liters a second from Mount Lawu. However, this is not sufficient to supply the drinking water at a capacity of 200 liters a second; and 2) utilizing the water from Colo Dam with the IPA system. This can hopefully fulfill a lack of drinking water supply at 200 liters a second. However, utilizing the natural water from the groundwater must be continued to decrease PDAM’s supply.
Monitoring Vegetation and Watershed Hydrology Condition with Satellite Imagery in East Kalimantan Harjadi, Beny
Forum Geografi Vol 14, No 1 (2000)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v14i1.449

Abstract

The technical Remote Sensing and Geographic Information System (GIS) had been used to detet vegetation changing of natural forest due to management differences. The target of the study were to determine classification method of satellite imagery in operational scale so that the method can be transfered and applicable for the user. The studied was done at forest concession of PT SLJ-IV (Sumalindo Lestari Jaya-IV), Yanjung Redeb, east Kalimantan Province. Landsat TM with 7 bands and high resolution of 1994 and 1996 were used to differentiate the condition before and after cutting in 1995. The analysis of the Landsats were only in the area where the TPTI (Indonesian Selective Logging System) and TPTI (Indonesian Strip Logging System) system applied. Based on the analysis and field check, it was found that the impact of logging caused decreasing dense forest about 21,3% and inreasing secondary forest around 6,3%. The highest dynamic of each band was band first and the lowest was band second. The differences in the mean of 2 band will give a more clear appearance of the  imagery.

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