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Forum Geografi
Published by Universitas Muhammadiyah Surakarta
ISSN : 08520682     EISSN : 24603945     DOI : -
Core Subject : Science,
Earth & Planetary Sciences
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 1,205 Documents
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Evaluasi Potensi Degradasi Lahan dengan Menggunakan Analisa Kemampuan Lahan dan Tekanan Penduduk terhadap Lahan Pertanian di Kecamatan Kokap Kabupaten Kulon Progo Sartohadi, Junun
Forum Geografi Vol 22, No 1 (2008): July 2008
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v22i1.4921

Abstract

Kokap sub district is located in Kulonprogo District, Yogyakarta Province. It has some problems of landslides and misuse of land. The research was proposed to determine the regions having potential of land degradation based on the land capability and population pressure analysis. This research was carried out using field survey. The field survey was based on landform unit as area sampling unit. The (Land Classification and Land Use Planning) LCLP software was applied for land capability classification. The Soemarwoto method was applied for the evaluation of population pressure on the agriculture land. The results of this research were: (1) land capability in the study area was varies from class II – class VII with limitation factors of slope, soil erodibility, soil texture, soil permeability and soil effective depth, (2) the whole study area fell into high population pressure class (that means it had exceed of its land capability), (3) most of the study area (51.9%) had been classified into high potential of land degradation.
Metode Mitigasi Longsorlahan di Kecamatan Gumelar Kabupaten Banyumas Provinsi Jawa Tengah Suwarno, Suwarno; Sutomo, Sutomo
Forum Geografi Vol 21, No 1 (2007): July 2007
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v21i1.1816

Abstract

This research aims to find formulating to mitigation of dangser of landslide, by observe on the classes of landslise dangser, the risk of landslide and the landslide disaster. The method used in the research is survey with two kinds of variables, the dependent variable includes the classes of dangser and the classes risk for the landslide, and the independent variable is the effart of mitigation. The classes of dangser and risk for the landslide are obfained from the secondary data, white the efforts of mitigation for the landslide are determined in accordance with the classes of landslide danser and risk landslide by considery the supporting factors. The result of the research shows that the field studied is the area with high risk of landslide. The dominant factors for the risk are the type of litology, and the weatering. The classes of landslide risk ranges from the low to the high. Hence, the efforts of mitigation should be tayseted first to those areas with the high risk of landslide. The efforts of mitigation to put into practive should consider. The dominant factors in the area, its can be underfaken by desighing a priovity, based on its terms covering shout ferm, medium term and long term.
Unconfined Groundwater Quality based on the Settlement Unit in Surakarta City Cholil, Munawar
Forum Geografi Vol 11, No 1 (1997)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v11i1.495

Abstract

The quality of groundwater of unonfined aquifer with growing population density is endangered by population. This may cause serious problem as greatest portion of the population utility groundwater of unconfined aquifer as their drinking water. This research is aim at studying the difference in quality of groundwater of unonfined aquifer in Surakarta Munipicality by settlement units, and studying the impact settlement factors and groundwater depth on the quality of groundwater of unonfined aquifer. The research was executed by a survey methhod, taking 44 units of groundwater of unonfined aquifer samples at stratified proportional random from 44 villages. The samples were analyzed at the laboratory of Local Drinking Water Company (PDAM) of Surakarta. Data were analyzed using by stiff diagram, variance analysis, and multiple regression. The research reveals that there is very little differences in the quality of free groundwater in Surakarta, as it is shown by same chemical properties. Several chemical properties were found very high in concentration, but the rest were simultaniously low. On the basis of minimum quality of drinking water coli content have exeeded the allowed limit for drinking water.Among the settlement units observed, there were no significant differences in the physical, chemical (except pH), bacteriological factors. This means that differences among various depth of water. Electrical onductivity (EC), Na, Mg, H2CO3, H2SO4, and NH3 were found different among various depth of water table. Major chemical conentration were significant with geology formation. Population density, built up areas, size of settlement, building density, and the condition of drainage simultaniously affect the quality of free ground water. No differences among settlement units was observed the most important fators determining the free groundwater quality was population density.
Monitoring dan Evaluasi Daerah Aliran Sungai dengan Penginderaan Jauh dan Sistem Informasi Geografis Harjadi, Beny
Forum Geografi Vol 23, No 2 (2009): December 2009
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v23i2.5007

Abstract

The characteristics of the landcover of a territory were really influenced by the condition biophysical and social his community’s economics. To the territory with the high rainfall had a rare population, the pattern of the landcover was more dominant to the annual crop, conversely to the high rainfall territory had a solid population the pattern of the land cover was more dominant in crops. Whereas to the dry territory (low rain) with the rare inhabitants, the pattern of his land cover was dominated the meadow and the crop kept dry. The requirement would the latest data, the high accuracy, to the area that was wide to monitor the change in one unity of the management of watershed. This research aimed at studying the application of remote sensing (RS) and the geographical information system (GIS) to monitoring and the evaluation of watershed. Physical conditions for the land that was dominated by the land form of the mountainous land and hills with the slope that was steep until precipitous, caused the territory around Grindulu Sub Watershed the potential would the occurrence of the landslide. This landslide incident was also supported by the rock situation that has begun to go mouldy resulting from the disintegration by the hot influence and rain as well as decomposition. Although having some areas of the land that was dominated the bare-rock and the rock-outcrop, but because the land cover was relatively dense in the area of mountains and hills then year round the Grindulu river had not been dry.
Penggunaan Sistem Informasi Geografis untuk Menghitung Dimensi Lumpur Panas di Porong, Sidoarjo Pramono, Gatot H.; Sardjono, Seno P.
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.v21i2.2359

Abstract

The hot mud extrusion in Porong, Sidoarjo since May 29, 2006 has impacted many aspects including social, culture, economy and transportation. Several weeks later, a collaborative team was formed to investigate the factors controlling the hot mud extrusions. One important aspect is concerning the mud dimensions such as its perimeter, area, volume and discharge. Bakosurtanal was assigned to carry out this task. Field surveys to acquire the mud heights were conducted twice within one month interval. Geographic Information System (GIS) using 3 dimentional approach was employed to compute the mud dimesions. One of the results show that the mud discharge is about 50.000 m3/day. This value was later commonly used to refer the magnitude of the hot mud.
Critical Land Detection using Remote Sensing Device and Geographic Information (Case Study of Critical Land Basic of Catchments Area, Alang, Wonogiri) Harjadi, Beny
Forum Geografi Vol 19, No 1 (2005): July 2005
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v19i1.4567

Abstract

Work criteria and indicator of Catchments Area need to be determined because the success and the failure of cultivating Catchments Area can be monitored and evaluated through the determined criteria. Criteria Indicators in utilizing land, one of them is determined based on the erosion index and the ability of utilizing land, for analyzing the land critical level. However, the determination of identification and classification of land critical level has not been determined; as a result the measurement of how wide the real critical land is always changed all the year. In this study, it will be tried a formula to determine the land critical/eve/ with various criteria such as: Class KPL (Ability of Utilizing Land) and the difference of the erosion tolerance value with the great of the erosion compared with land critical level analysis using remote sensing devices. The aim of studying land critical level detection using remote sensing tool and Geographic Information System (SIG) are:1. The backwards and the advantages of critical and analysis method2. Remote Sensing Method for critical and classification3. Critical/and surveyed method in the field (SIG) Collecting and analyzing data can be found from the field survey and interpretation of satellite image visually and using computer. The collected data are analyzed as:a. Comparing the efficiency level and affectivity of collecting biophysical data through field survey, sky photo interpretation, and satellite image analysis.b. Comparing the efficiency level and affectivity of land critical level data that are found from the result of KPL with the result of the measurement of the erosion difference and erosion tolerance.
Urbanization and Slum Residential Area in Cities: a Theoretical Review Musiyam, Muhammad
Forum Geografi Vol 5, No 1 (1991): July 1991
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v5i1.527

Abstract

This paper aims to explain the inter relationship between urbanization and slum and squatter settlement phenomena in urban areas, focusing on two cases in Jakarta and Yogyakarta. Marginality theory and dependence theory are to explain the two phenomena above, because these theories have different assumption and different explanations about slum areas. Thus, the solutions offered are different too. The result of Tadjuddin and Taylor research into the slum and squatter settlement in Yogyakarta and Jakarta suggest that the phenomena of the slum settlement in this cities could not be explained by a single theory, either marginality theory or dependence theory.
Identifikasi Medan untuk Keterlintasan Rel Kereta Api antara Gundih–Karangsono Kabupaten Grobogan Hardjono, Imam
Forum Geografi Vol 25, No 2 (2011): December 2011
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v25i2.5045

Abstract

This reseach aimed to 1) identify the characteristics terrain for railway track between Gundih-Karangsono, 2) evaluate the capability of terrain and faffecting factors of damages on the track. Field survey and laboratory analysis were used to collect stratified sampling based primary data namely slope, points load index, structure of rock, erosion, mass movement, permeability, soil texture, water degree, potential volume change. Secondary data consists of rainfall, topography map, geology map, soil map and landuse map. Factors that cause train stripe between Gundih-Karangsono often experience damage are: points load index in every terrain unit 3 kg/cm² (very weak), soil texturs are clay and clay loam, soil permeabilities are 0,164-0,579 height of water is from 50-57 % and soil volume changing potential very high, from 6,4-6,5 cm.
Community Response to Government Policies at The Potential Landslide Area: The Case in Kuloprogo Regency Donie, Syahrul
Forum Geografi Vol 28, No 2 (2014): December 2014
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v28i2.431

Abstract

The study examined the extent of community appreciation or response to government policies at the potential lanslide areas and the influencing reasons. By interviewing 35 representative informants, men and women, and divided into old, young and adult, then the data are analyzed and interpreted using the theory of action and the theory of symbolic. The results showed, the community, dominated by the farmer, were able to respond and deeply understood the government policies, particularly policies of spatial planning. This was indicated by the increasing knowledge of the community against areas that were prone to landslide and other sign that the region was going to experience a landslide. Almost all respondents said that they live in hilly areas prone to landslides, and they knew how to cope with and respond to these signs. However, government policy declaring that the community were expected to move from the area considered as dangerous was still lack of community’s attention. This was due to the undersired experiences of the community in the new area which did not make their lives better, both in terms of livelihood as well as in terms of their social-culture life.
Aspek Sumberdaya Manusia dan Kontribusinya dalam Menciptakan Kerusakan Lingkungan Kaeksi, Retno Woro
Forum Geografi Vol 6, No 1 (1992): July 1992
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v6i1.4699

Abstract

Lingkungan hidup merupakan kesatuan ruang dengan semua benda, makhluk hidup, termasuk di dalamnya manusia dan perilakunya yang mempengaruhi kelangsungan perikehidupan dan kesejahteraan manusia serta hidup lainnya. Dalam tulisan ini pembahasan menitiberatkan pada pengaruh sumberdaya manusia terhadap lingkungan. Sumberdaya manusia sangat besar sekali pengaruhnya terhadap lingkungan, karena perilaku manusia dapat mempengaruhi tata kehidupan yang ada dari alam. Sumberdaya manusia akan berpengaruh positip terhadap lingkungan alam apabila sumberdaya manusia tersebut punya pengetahuan tentang lingkungan, namun kita ketahui bersama bahwa tidak semua sumberdaya manusia yang ada punya pengetabuan tentang lingkungan. Pengetabuan manusia tentang lingkungan beraneka ragam tingkatan dengan demikian sumberdaya manusia dapat berpengaruh negatif terhadap lingkungan alam yaitu akibat dari perilaku manusia yang sedikit mengerti tentang lingkungan dan lebih parah lagi apabila manusia tersebut tidak punya sama sekali pengetabuan tentang lingkungan. Jelas di sini bahwa terpelihara atau rusaknya lingkungan alam itu tergantung dari sumberdaya manusia dan IPTEK. Dengan demikian untuk menjaga agar lingkungan alam tetap terpelihara dengan baik perlu pemahaman yang benar tentang IPTEK oleh manusia.

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