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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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Performance Evaluation of Tuntang Watershed based on Quantity and Quality of Water Murtiono, Ugro Hari; Paimin, Paimin
Forum Geografi Vol 30, No 2 (2016): December 2016
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v30i2.1708

Abstract

The objective of the study was to evaluate the performance of Tuntang Catchment based on water quantity and quality area ranging from its upstream to downstream. The method used to determine the water quantity was by carrying out ground study on water discharge in the dry season (June 2011) in the research site, while the water quality was determined by conducting a laboratory analysis on the samples obtained from the sites in both the rainy and dry season (January and June 2011). The results indicated that the quantity of water discharge in Tuntang River was categorized “good”, although it was utilized for many uses such as irrigation, hydropower, and drinking water. Most of water discharges were mainly supplied from the upstream of Rawa Pening Lake. The water quality determined from the parameters of total dissolved solids, conductivity, pH, phosphate, and nitrate could be classified as “good”, meanwhile, the turbidity and dissolved oxygen were classified as “poor”.
Ameliorasi Iklim melalui Zonasi Hutan Kota berdasarkan Peta Sebaran Polutan Udara Rushayati, Siti Badriyah; Dahlan, Endes N.; Hermawan, Rachmad
Forum Geografi Vol 24, No 1 (2010): July 2010
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v24i1.5016

Abstract

Bandung regency is one of the cities with many environmental problems oc like other cities in Indonesia. These problems are the continues increasing the number and density of population, and the increasing increased industrial and transportation. On the other hard, the forest area and green open space in Bandung Regency continues to decline. This causes increased air pollution and air temperature. The problems can be sowed with micro climate reparation in Bandung regency using urban forest in order to improve the climate conditions (amelioration) efficiently and effectively.
An Estimation of Earthquake Impact to Population in Makassar by Probabilistic Approach Sunardi, Bambang; Sulastri, Sulastri
Forum Geografi Vol 30, No 2 (2016): December 2016
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v30i2.2591

Abstract

Makassar is one of Indonesian big cities with rapid growth rate, but not totally safe from earthquake hazard. This condition led study on affected population by earthquakes in this city are important to do. This paper estimated the population of Makassar City threatened by the probabilistic earthquake hazard. In this current study, earthquake hazard in the forms of peak ground acceleration (PGA) and spectral acceleration,  estimated by using Probabilistic Seismic Hazards Analysis (PSHA). The PSHA result then overlaid with administration map and population data to obtain distribution and percentage of population threatened by the probabilistic earthquake hazard. The results showed the smallest value of ground acceleration located in the south-west (Tamalate sub district), further north increased and reached the highest value in the northeast (Biring Kanaya sub district). Both Tamalate and Biringkanaya can be classified as rural area with low population density.  The urban area of Makassar, which is the concentration of population, located in the centre of Makassar, got the middle earthquake hazard.
New Settlement Areas at Forbiden Zone of Merapi Volcano (Case at Srumbung, Magelang) Ritohardoyo, Su; Priyono, P
Forum Geografi Vol 15, No 2 (2001): December 2001
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v15i2.4577

Abstract

One of the chronicle problem in the disaster control of volcano eruption is the resettlement of relocated or transmigrated people to prohibitive region of the volcano. The more serious problem is happened when some of the labourers sand and stone mining living in those prohibitive region. Starting from those stated sttlement problem, this research aims at exposing the change, process, and continuity of setlement in the prohibitive region. This study employs so called sampling technique. Quota sampling is carried out according to village type. Two agricultural and mining village types in the prohibitive region are selected representing the sampling areas, encompassed administrative divisions of Srumbung subdistrict. The number of respondents are 60 households, selected unproportionally based on the village type. Primary data is collected diret communication with informants are key persons. Data analysis employs frequenccy and cross tabulation, and t test analysis. The study reveals that settlement changes in prohibitive region of Merapi vulcano has been fluctuatively recorded since 1006 based on the strength of Merapi vulcano eruption. However intensively settlement changes as an impact of the Merapi vulcano eruption have been recorded sine 1930 up to 1975 followed by more than 1742 people be dead as a victims and environment deterioration. The eruptions in 1954 and 1969 have resulted in drastically changes of physical and administrative condition village of Kaligesik and Gimal. At least 9 hamlets in both villages have been destroyed by ‘nue ardente’ and cold lava. Those eruptions have than change the administrative status of villages to be. Resettlement process within two hamlets in prohibitive region have taken place due to differences in origin area of the shelter, motivation to settle, and settlement pattern. Those two settle in mining villages are mining are mining labourer and mostly comes from outer subdistricts or districts, whereas those who stay in agriculture village are local people. The latter mostly joined transmigration program, which are supposed to stay in outer islands. A part from origin area, the difference of two settlers is also indicated by motivation. Economic motives are more dominant for those who settle in mining village than those who settle in agriculture village. The latter tend to have social motives to stay. The difference in settlement pattern between the vilages lays in ‘intermediary settlement’. This means that mining settlers have previously stayed in transmigration area. The duration to stay is between 15 to 20 years as compared to mining settlers whose duration to stay are between 5 to 10 years. Although the average household monthly inome in the respective two vilages is relatif the same (i.e. Rp 323,366 in Kaligesik and Rp 335,557 in Sumberejo), the physical condition of housing in Sumberejo look a little better than in Kaligesik. Despite the respective differences, people in the two villages tend to stay permanently. This means that the effort to vacant these prohibitive region will become more difficult.
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.
Tinjauan Geografi Regional terhadap Masterplan Percepatan dan Perluasan Pembangunan Ekonomi Indonesia (MP3EI) Baiquni, M.
Forum Geografi Vol 26, No 2 (2012): December 2012
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v26i2.5065

Abstract

Regional Geography at national level is a study of unique characteristics and pattern of natural phenomena and human phenomena in a certain region which are delineated and regionalized for certain purpose. In this perspective, Masterplan MP3EI was launched by since 2011 be analyzed on how its relations with backward regions and boundary regions. A critical review related to what is the concept behind and how are the strategies implement this program. The research methods are literature review, maps pattern analysis, and indent interview. The results of this research are (1) MP3EI is driven by economic growth strategy and lack of local politics involvement i.e. autonomy; (2) The economic corridor of MP3EI partly related to backward region and boundary region of Indonesia; (3) There are many challenges on how to implement MP3EI such as: integration foreign high investment with local economy, synergy to autonomy, preserve nature conservation area, and enrich cultural heritage of cultural diversity.
Physical Characters of Trees And Their Effects on Micro-Climate (Case Study at Urban Forest and Green Open Space at Semarang City) Dahlan, Endes N
Forum Geografi Vol 28, No 1 (2014): July 2014
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v28i1.440

Abstract

Air temperature in cities are increasing which can cause reduce the human comfort and productivity. Urban forest can make the environment comfortable. The objectiveof the researc hwere: (1). To Determine the effects of urban forest on air temperature and relative humidity, (2). To analyze the effects of physical characters of trees ont he micro-climate amelioration and(3). To Determine species of trees which are very effective for micro-climate amelioration.The results of the research revealed that the average of daily air temperature in the urban forest was 30.2 C with arelative humidityof 74.0%, while the daily air temperature around the urban forest was 31.8 Karakter Fisik Pohon ... (Dahlan E) o C with relative humidityof 71.1%. Tree composisitin of all study sites consist of192trees, 29 speciesand 13families. The TinjomoyoForest Tourism has the highest density of trees(406trees/ha), while the lowest in the Parks Minister Supeno (316trees/ha). Value of Key Performance Indicator (KPI) of trees based on calculation of tall of trees, diameter of canopies, total leaves area and canopy forms noticed that very effective trees for micro-climate amelioration were: Angsana(Pterocarpus indicus), beringin(Ficus benjamina), flamboyan(Delonix regia) , ketapang(Terminalia catappa), mahoni (Swietenia mahogany), andtrembesi (Albizia saman).
Keterkaitan Kondisi Geomorfologi dengan Karakteristik Air Tanah Dangkal di Kecamatan Masarann Kabupaten Sragen Propinsi Jawa Tengah Suwarno, S
Forum Geografi Vol 7, No 2 (1993): December 1993
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v7i2.4802

Abstract

Di daerah penelitian pada saat musim kemarau lahan persawahan dalam keadaan bero (tidak ditanami) karena kekurangan air untuk irigasi, padahal daerahnya bertopografi datar, sehingga memungkinkan untuk memanfaatkan air tanah sebagai sarana irigasi, sedang di daerah dengan topografi bergelombang banyak sumur gali yang kering. Penelitian ini bertujuan untuk mengklasifikasikan daerah penelitian menjadi satuan bentuk lahan dan mencari keterkaitannya dengan karakteristik air tanah dangkal. Metode yang digunakan yaitu interpretasi foto udara dengan didukung oleh peta topografi dan peta geologi serta cek lapangan, sehingga tersusun peta satuan bentuk lahan. Karakteristik air tanah dangkal meliputi kedalaman muka air tanah, koefisien transmisibilitas, koefisien permeabilitas, debit aliran air tanah, porositas batuan, fluktuasi muka air tanah, dan kualitas airtanah. Dari peta satuan bentuk lahan disusun peta hidromorfologi, dengan cara memasukkan data karakteristik air tanah dangkal. Hasil penelitian ini menunjukkan bahwa, kondisi geomorfologi mempunyai keterkaitan dengan karakteristik air tanah dangkal yang tercermin pada satuan bentuk lahan dan satuan hidromorfologi. Pada setiap satuan bentuk lahan mempunyai karakteristik air tanah dangkal yang berbeda-beda baik kualitas tnaupun kuantitas. Satuan bentuk lahan tanggul alam potensi air tanahnya terbesar dan kualitasnya terbaik.
Application of Vector Auto Regression Model for Rainfall-River Discharge Analysis Hartini, Sri; Hadi, Muhammad Pramono; Sudibyakto, S; Poniman, Aris
Forum Geografi Vol 29, No 1 (2015): July 2015
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v29i1.786

Abstract

River discharge quantity is highly depended on rainfall and initial condition of river discharge; hence, the river discharge has auto-correlation relationships. This study used Vector Auto Regression (VAR) model for analysing the relationship between rainfall and river discharge variables. VAR model was selected by considering the nature of the relationship between rainfall and river discharge as well as the types of rainfall and discharge data, which are in form of time series data. This research was conducted by using daily rainfall and river discharge data obtained from three weirs, namely Sojomerto and Juwero, in Kendal Regency and Glapan in Demak Regency, Central Java Province. Result of the causality tests shows significant relationship of both variables, those on the influence of rainfall to river discharge as well as the influence of river discharge to rainfall variables. The significance relationships of river discharge to rainfall indicate that the rainfall in this area has moved downstream. In addition, the form of VAR model could explain the variety of the relationships ranging between 6.4% - 70.1%. These analyses could be improved by using rainfall and river discharge time series data measured in shorter time interval but in longer period.
Development and Poverty: Critical Review of the Poverty Reduction Strategy Shift of Economic Growth to Empowerment Musiyam, Muhammad
Forum Geografi Vol 12, No 2 (1998)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v12i2.472

Abstract

There had been some changes of poverty preventation strategy for the government of the New Order. In the development process, the change of the strategy from economy growth method to the implementation of “Presidential Decree of Underdeveloped Territorial Program (IDT) “actually emphasized on the increased attention to the poor. It was proved that the combination of various programs could decrease the poverty rate both quantitatively and significantly. However, because the pattern of the top-down and the feature of the charity remained to dominate on the overall strategy, the poor could not have develop significantly independent. Thus, poverty preventation strategy in the future must emphasize on the development of the poor’s creativity, initiative, and capability based on the mobilization of the local resources, so it can make the poor develop and grow independently. In such a way, ontinual development will reasonably run. A change of strategy needs the reshuffle of political structure to democracy.

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