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The Distribution of Salted Groundwater and the Impact to Settlement Areas in Grogol Sub District Suharjo, S
Forum Geografi Vol 5, No 1 (1991)
Publisher : Forum Geografi

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Abstract

This research is aimed at studying the ground water salinity and the geographicaal aspect of Grogol subdistrict area. This study, therefore, dials withs (a) the ground water salinity and the factors influencing; (b) the classes of land suitability for settlement in Grogol subdistrict; and (c) the influences of the ground water salinity to the suitability of sattlement areas. This research put its emphasis on the geomorphological approach and uses lends units as the basis of its studt. The research area consists of four landform units and nine land units. From land unit maps, we can make the distribution maps of the ground water salinity and its influences to the suitability between settlement and the level suitability for settlement data. The ground water salinity data are obtained by measuring in the field and laboratory analysis. The result of this research shows that the distribution of the ground water salinity is located in the landform unit of the old floid and in the deposition processes. The distribution of the ground water salinity in the research area does not influence the growth pattern of settlement but influences the physical building.
Infra Red Aerial Photograph Interpretation for Soil Erosion at Wuryantoro, Wonogiri Suharjo, S; Santoso, Sugiharto Budi; Cahyo, Pujo Nur; Mulyono, M; Widodo, Heru Sri
Forum Geografi Vol 15, No 1 (2001): July 2001
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v15i1.4661

Abstract

Collecting data of soil erosion hazard terrestrially needs much time, high cost, and large energy. Therefore it is needed appropriate technology in addition to terrestrially decreasing necessity of time, cost and energy. Aerial photograph is picture of earth surface, which shape and place similar to condition on earth surface. Using aerial photograph in this research is expected to be able to take account for erosion factors. This research is conducted in Kecamatan Wuryantoro Kabupaten Wonogiri. Research method that used is aerial photograph interpretation with land unit approach. Amounts of soil lost are approached with USLE formula. Aerial photograph that used in this research is aerial photograph coloured infrared with 1:10.000 in scale and 1991 in year of taking photography. The result shows that using aerial photograph is very useful in supporting soil erosion rate calculation. Erosion rate at research area is 0.0968 ton/ha/year to 100.4344 ton/ha/year. This number is included in class of light erosion hazard (
Pengenalan Proses Citra secara Digital Widjojo, Suharto; Rusmanto, Adi; Suharjo, S
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.v6i1.4698

Abstract

Teknologi penginderaan jauh telab berkembang dengan pesat di Indonesia semenjak awal 1970-an. Berbagai jenis aplikasi telah diterapkan baik oleh instansi pemerintah maupun swasta. Pada awal penggunaannya teknologi interpretasi yang dominan dipergunakan oleh para pemakai adalah interpretasi secara visual. Sejalan dengan perkembangan teknologi komputer, analisa citra berkembang pula ke arah digital. Makalah ini mencoba mengenalkan teknologi interpretasi secara digital yang memungkinkan data tersebut diintegrasi dengan sistem informasi geografi yang terus berkembang di Indonesia.
Arah Perkembangan Teknologi Sistem Informasi Geografi di Indonesia Widjojo, Suharto; Suharjo, S
Forum Geografi Vol 8, No 2 (1994): December 1994
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v8i2.4822

Abstract

Pada dekade mendatang, teknologi sistem informasi geografik terus berkembang dengan cepat. Perkembangan akan semakin nampak pada kecepatan, kapasitas penyimpanan dan sistem komputasi. Peranan sistem informasi yang berorientasi pada referensi di permukaan bumi atau spasial akan semakin dominan dalam pengambilan keputusan untuk perencanaan dan operasionalisasi pembangunan yang berkelanjutan dan berwawasan lingkungan. Banyak tantangan dan harapan yang perlu dihadapi dalam perkembangan informasi spasial yang diperlukan dalam pengambilan keputusan. Makalah ini mencoba mengulas beberapa harapan dan kendala atau tantangan dalam perkembangan sistem informasi geografik di Indonesia.
The Use of Infra Red Aerial Photo for Identification the Existance and Spread of Cave in Planning sub District, Eromoko District, Wonogiri Regency Suharjo, S; Santoso, Sugiharto Budi; Purnaningsih, Reshinta; Suryanto, S; Prasetyo, Yuliarta Rudi
Forum Geografi Vol 15, No 1 (2001): July 2001
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v15i1.4662

Abstract

Science that studied all of the aspect related to cave and their circles (speleology) in Indonesia does not still quite expand. Expantion more advanced need all sorts of research, publication and its interest to an academic party who get in touch with cave and their circles. One of them the basic of data collection about the existence and the spread of cave. The usual manner that is used to know the existence and the spread of cave, is by means of the analysis topography map which is continued by terrestrial research. Weakness for this manner is it need huge time, cost and energy. The making use of aerial photo can be done in supporting the basic of date collection, is the· interpretation to bug or detect appearances the phenomena in earth’s surface. One of them is appearances the edge of cave. The result of the research indicates that interpretation of aerial photo can be use to identify the spread of the edge of cave. It is olksified according to; the edge that obtained of center depression by the accuracy of 100%; the edge of cave that obtained of slope depression (the accuracy of 33.3%); the edge of cave that is obtained of river current (the accuracy of 100%); and the edge of cave that obtained of fragment (the accuracy of 50%).
Community-Based Rehabilitation of Critical Land at Jenar, Sragen, Central Java Suharjo, S
Forum Geografi Vol 17, No 2 (2003)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v17i2.536

Abstract

The aims of the study of critical land rehabitation basing on the society in Jenar Sragen are to know: 1) the factory which cause the critical land; 2) the way to solve critical land; and 3) the role society in solving critical land. The collected date are 1) topography, 2) litologhy, 3) geomorphology, 4) soil, 5) hydrology, 6) land use, 7) the apportion of critical land, and 8) the way to solve critical land. The choice of sample uses purposive method, while the data analysis to get result uses descriptive method. The result of the study show that: 1) the distribution of critical land is in land unit of anticline hills of tuff rocks, marl, clay, and sand tuff which are denudated process by rensina soil and litosol from light to heavy which lie in dry land cultivation and forest. The factors which influence critical land are high rainfall (2178 mm), inclination slope (8 – 20%), solun soil whih is less than 20 cm and denudation process high is active; 2) the way that has been done is solving critical land rehabilitation is cooperation among the society, the forestry and commercial agricultural department and cone sugar factory of Mojo Sragen. The critical land which has been rehabilitated is state forest (266.95 ha) and the dry lang cultivation of the society (772.50 ha); 3) the society has responsibility for the growth, the development and preservation of the long term plants (jati, sonokeling, mahoni). The participation of the society in that programme is about 3.117 people.
The Distribution of Salted Groundwater and the Impact to Settlement Areas in Grogol Sub District Suharjo, S
Forum Geografi Vol 6, No 2 (1992): December 1992
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v6i2.394

Abstract

This research is aimed at studying the ground water salinity and the geographicaal aspect of Grogol subdistrict area. This study, therefore, dials withs (a) the ground water salinity and the factors influencing; (b) the classes of land suitability for settlement in Grogol subdistrict; and (c) the influences of the ground water salinity to the suitability of sattlement areas. This research put its emphasis on the geomorphological approach and uses lends units as the basis of its studt. The research area consists of four landform units and nine land units. From land unit maps, we can make the distribution maps of the ground water salinity and its influences to the suitability between settlement and the level suitability for settlement data. The ground water salinity data are obtained by measuring in the field and laboratory analysis. The result of this research shows that the distribution of the ground water salinity is located in the landform unit of the old floid and in the deposition processes. The distribution of the ground water salinity in the research area does not influence the growth pattern of settlement but influences the physical building.
Potensi Air Tanah pasca Gempa Tektonik di Lereng Merapi Daerah Klaten Jawa Tengah Suharjo, S; Anna, Alif Noor; Kaeksi, Retno Woro; Priyana, Yuli
Forum Geografi Vol 22, No 2 (2008): December 2008
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v22i2.4993

Abstract

The purpose of this research is to analyze the potency of land water in the post tectonic earchquake at Merapi slope in Klaten regency, Central Java. This research applies a survey method. The result of analysis is made based on the trilinier diagram, Stiff pattern, and the quality standard of drinking water. The collected data are in the form of land form, shallow land water data, suppressed land water, and well or spring. The results of the sesearch show that 1) the land form in Klaten is divided into four sets of landform, they are peak and slope of volcano, feet of volcano, fluvial palin under volcano, and a set of structural morphology. 2) The potency of land water can be tested based on the amount of land water and the quality of land water. The amount of land water in Klaten regency 260,502,274 m3/year or 727,618,722 liter/day. The amount of land water above is taken from free land water 73,301,436 m3/year, suppressed land water 34,138,520 m3/year, and land water taken from well or spring 153,062,784 m3/year. The quality of shallow land water in Klaten regency is proper to consume. 3) The distribution of upland water potency happens in the feet volcano land form, the potency of medium land water happens in the superficial of fluvial under volcano land form, and the potency of lowland water happens in the slope volcano land form and in the structural range of hills at Bayat subdistrict, 4) The tectonic earthquake gives serious effect toward morphological changes, land split, land subsident and the potency of land water in the fluvial plain of land form under volcano and structural range of hills in the area of Bayat subdistrict, and 5) In 2008, the needs of drinking water in Klaten regency is predicted around 1,164,000 people x 150 liter/day = 174,600,000 liter/day.
Analisis Fluktuasi Hujan dan Morfologi Sungai terhadap Konsentrasi Banjir Daerah Surakarta Anna, Alif Noor; Suharjo, S; Cholil, Munawar
Forum Geografi Vol 25, No 1 (2011): July 2011
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v25i1.5033

Abstract

This research aims to analyse rain fluctuation and river morphology to flood concentration in Bengawan Solo River, Surakarta. The method of this research is field survey supported by secondary data analysis. The survey was conducted using GPS (Global Positioning System). The result indicates that high intensity rainfall in the research area happened during October till April. River flow in dry season generally decreased in accordance with the distribution of low rainfall (dry month). Whereas, river flow rates seen to increase along with the rainfall that occurs in the rainy season. Other result show that point 11-18 (location in Tanjung village district of Sukoharjo till Semanggi village district of Pasar Kliwon) very superficial which became impact of the river. The point represent floods concentration, therefore if there is rain with high quantity, the water will rise and overflow to surface, especially point 11, 13, and 16 (Tanjung, Kedunggudel, and Telukan village district of Sukoharjo). The processes that occurred at these sites are sedimentation, and lateral erosion (horizontal erosion).
Analisis Fluktuasi Hujan dan Morfologi Sungai terhadap Konsentrasi Banjir Daerah Surakarta Alif Noor Anna; S Suharjo; Munawar Cholil
Forum Geografi Vol 25, No 1 (2011): July 2011
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v25i1.5033

Abstract

This research aims to analyse rain fluctuation and river morphology to flood concentration in Bengawan Solo River, Surakarta. The method of this research is field survey supported by secondary data analysis. The survey was conducted using GPS (Global Positioning System). The result indicates that high intensity rainfall in the research area happened during October till April. River flow in dry season generally decreased in accordance with the distribution of low rainfall (dry month). Whereas, river flow rates seen to increase along with the rainfall that occurs in the rainy season. Other result show that point 11-18 (location in Tanjung village district of Sukoharjo till Semanggi village district of Pasar Kliwon) very superficial which became impact of the river. The point represent floods concentration, therefore if there is rain with high quantity, the water will rise and overflow to surface, especially point 11, 13, and 16 (Tanjung, Kedunggudel, and Telukan village district of Sukoharjo). The processes that occurred at these sites are sedimentation, and lateral erosion (horizontal erosion).