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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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Urgensi Aspek-Aspek Sosial dalam Kajian Dampak Lingkungan Imam Hardjono
Forum Geografi Vol 12, No 1 (1998)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v12i1.479

Abstract

Segala aktivitas masyarakat memiliki dampak positif dan negatif, dampak tersebut harus tidak menganggu keharmonisan hidup masyarakat. Aktivitas atau suatu usaha kegiatan selalu berubah-ubah dan sekaligus dihadapkan pada dinamika masyarakat yang merupakan aspek-aspek sosail. Padahal aspek-aspek sosial memiliki peran yang penting dalam kajian dampak lingkungan. Aspek-aspek sosial yang dikaji dalam analisa dampak lingkungan meliputi komponen-komponen yang terdiri dari variabel-variabel, seperti demografi, ekonomi, dan budaya. Variabel aspek-aspek sosial ini ternyata tidak kalah pentingnya dengan analisis dampak lingkungan dalam pengertian aspek fisik.
Local Food Potentials and Agroecology in Yogyakarta Special Province, Indonesia Dodi Widiyanto
Forum Geografi Vol 33, No 1 (2019): July 2019
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v33i1.7795

Abstract

This paper attempts to unveil the hidden potential of the local food through local food mapping, drawing local food potential based on the “triple burden” theory from Professor Moerdijati Gardjito. An index, called “index of food relocalisation” is adopted and then modified into different name called local food index due to data availability, which is expected to provide a geographical location of the local food potential by proposing a research questions: where do the local food potentials distribute in Yogyakarta Special Province, and why the local food potentials located in that particular area(s)? The findings show that Gunungkidul and Kulonprogo are two potential regencies with their local food crops availabilities This finding is accompanied by an explanation from the analysis from the agroecological subzone and spatial income distribution of paddy and second crops, production activities.
Earthquake Disaster of Yogyakarta and Central Java, and Disaster Reduction, Indonesia Sutikno Sutikno
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.v21i1.1823

Abstract

This paper discussed on earthquake disaster and its reduction of Yogyakarta and Central Java, Indonesia. The study area is located at relatively a short distance from subduction zone of India-Australian and Eurasian plates. Geologically this area is characterized by fault and graben structure, and geomorphologically is composed of block mountain, karsts topography and fluvio-volcanic plain. Aim of this paper is to evaluate the spatial distribution of the damage area, the environmental impacts, and to discuss the risk reduction of earthquake disaster scientifically and practically. In this paper to determine the hazard susceptibility zone and their environmental impact used geologic, geomorphologic, land use map, remote sensing image interpretation, and field observation. Discussion on the earthquake disaster risk reduction based on the hazard susceptibility and the characteristic of the human settlement and facilities. The result of this study shows that: i).the high damage area associate with distribution of the fault structures and the lithology; ii). mass-movement, lowering of groundwater, rising new springs, liquefaction, cracking of rocks and land surface; iii). structural non structural efforts are used for earthquake disaster reduction.
Tinjauan Geografis "Litoralisasi" di Kawasan Pesisir Selatan Yogyakarta T Triyono
Forum Geografi Vol 23, No 1 (2009): July 2009
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v23i1.4994

Abstract

"Littoralization" can be geographically studied based on geomorphological approach and landuse system. The method of coastal geography provides useful data of geomorphology and landuse system. This research was conducted in the coastal area of south of Yogyakarta. To process spatial data was used Geographic Information System (GIS) methods (i.e. Aerial photography, satellite imagery, and field observation results). The results showed that the research area has a volcanic sandy coastal typology with flat to sloping topography. Further, this typology is divided into three units of typology, the active beach ridge and sand dunes, non-active beach ridge, and the foot hills. Development of the settlements tends toward the sea due to economic dependence on beach tourism.
Land Ownership and Income Distribution of People in Ngimbakan and Mranggen Municipality Polokarto Sub-District, Sukoharjo Wahyuni Apri Astuti
Forum Geografi Vol 10, No 1 (1996)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v10i1.511

Abstract

The research is conducted in Ngombakan and Mrangeen, two villagein district of polokarto, Sukoharjo regency. The two villages employe two different irrigation systems, one technical and the other non-technical. The study aims at two major objectives, namely: 1) the relation between the width of agricultural land holding and the income distribution of the different irrigation systems employed in the two villages; and 2) yhe influence of land holding having different irrigation systems on the agricultural income, non agricultural income as well as the household income. The sample include 225 respondents selected in proportion. They consist of 75 respondents that come from the village employing the technial irrigation. And 150 respondents from that employing the non-technical irrigation. The samples are taken in random. The analysis is conducted by means of cross-table analysis, frequency distribution, and product moment correlation.The result of the reasearch show that 1) there is small rate of land holding in two village; 2) there is a great deal of inequality  of land holding in the two villages in which it is higher in Mranggen than that in Ngombakan (Gini index in Mranggen is 0.668, where as that in Ngombakan is 0.602); 3) there is a considerable inequality of agricultural income in which Mranggen is higher than Ngombakan; 4) there is a slight differene of household income in two villages; 5) there is positive correlation between the widht of land holding and the agricultural income, non agricultural income as well as the household income in Mranggen; 6) there is a positive correlation between the widht of land holding and agricultural income but there is no significant correlation between the widht of land holding and the non agricultural income as well as that of the household. The study was found out that the non-agricultural sector is playing an inreasingly important role in the distribution of household income. The inequality of agricultural income in the villages is considerably high but the inequality of the total income as well as that of the income per capita is relatively low. The contribution of the agricultural sector to the total income is lower than that of the non-agricultural. There is a difference of poverty level in which respondents employing the tehnical irrigation have a lower degree of poverty than those employing the non-technical irrigation.
Caldera of Godean, Sleman, Yogyakarta: A Volcanic Geomorphology Review Hill Gendoet Hartono; Adjat Sudradjat; Okki Verdiansyah
Forum Geografi Vol 31, No 1 (2017): July 2017
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v31i1.2821

Abstract

Godean hills is located approximately 10 km westward from the Yogyakarta City. The landscape of Godean hills and plains is affected by various factors, such as lithology, geological structure, and sub-aerial process. The purpose of this study was to reveal the landscape of Godean. The method consisted of field study, morphological variables assessment, rock sampling, and laboratory analysis. The results of field mapping indicated that the landscape of Godean  is an isolated hill with a steep slope of 40° and an elevation of +231 m a.s.l, passed by the rivers flows from northeast to southwest that disembogue into the west part of Kulon Progo. The morphologhy of Godean hills varies including G. (Gunung/Mountain) So (+173 m amsl), G. Gede (+218 m a.s.l), G. Wungkal (+187 m a.s.l), G. Butak (+154 m a.s.l), and G. Berjo ( + 175 m a.s.l), dominated by the lithology of igneous rock, which is composed of porphyry andesite-microdiorite, pumice lapilli, and quartz rich lapilli-tuff. In addition, most of the igneous rocks have weathered and have been altered to clays, while the deposition from Merapi volcano formed a landscape with an altitude between +100–+150 m a.s.l surrounding Godean hills. Sentolo Formation was found in Kembang, Bantul, which is located approximately ±5km in the south of the study area N93ºE/12º,  while the distribution in the southwest and northeast relatively covers the Godean hills in curve shape. The results of the analysis provide information related with Godean landscape that it is the remains of the volcanic caldera, with various igneous rock types and volcaniclastics deposits, as well as endured the occurrences of hydrothermal alteration and mineralization. Further geophysical research is required to determine the configuration of igneous rocks under the earth's surface.
Analysis of Local Spatial Data Infrastructure to Support Volcanic Mudflow Mitigation along Putih River, Magelang Regency, Central Java Province, Indonesia Afrinia Lisditya Permatasari; Ika Afianita Suherningtyas; Putu Perdana Kusuma Wiguna
Forum Geografi Vol 34, No 1 (2020): July 2020
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v34i1.11169

Abstract

One of the most devastating disasters in Indonesia was the Mount Merapi eruption in 2010. After the eruption there still exists the secondary hazard of volcanic mudflow, which has caused damage and casualties. Volcanic mudflow is a mixture of pyroclastic material and rainwater, meaning that in the rainy season the area along rivers becomes a high volcanic mudflow hazard, including the area along Putih River in Magelang Regency, Central Java Province. The development of Spatial Data Infrastructure (SDI) plays an important role in disaster management, especially in disaster mitigation efforts. Building an SDI which shares information on spatial conditions in the area along the Putih River could save many lives and reduce the risk from volcanic mudflow. This research was conducted employing interview surveys, field surveys and secondary data collection at government institutions. The results of the analysis have provided a geoportal prototype as an information gateway for the mitigation of volcanic mudflow along the Putih River and the reduction of disaster risk both for the government and community.
Study on Runoff Debit in the Catchment Area of Waduk Gajah Mungkur Wonogiri Alif Noor Anna; Yuli Priyana
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.v6i2.395

Abstract

AbstractWater resource is one of natural resources, that is very vital. It needed to be used and to be kept throughly. For those purposes need good and directed plan, in which one of the basic component of it plan have to be supported by available a complete hydrological data and it analysis. One of hydrological data analysis is to estimate runoff of catchement area, which can be used for planning the hydrologi construction. This research aim: 1) to calculate the run off discharge by thornwaite Mather Method, monthly, annualy, and the average on the catchment through a sample of Keduang, Temon, Alang, and Wuryantoro areas; 2) to analyze the difference of the run off discharge (at no. 1) by observation resulted from trend analysis. Based on the calculation, it appears, thornwaite-mather method showed that high discharge (moreover limit 0) in dry month. From the research result, it appears, that calculation discharge graphic had lower differentation than observation discharge graphic. From sample of catchment areas that have been investigated, from the highest to the lowest deviation was Wuryantoro catchment area (78,8%), Temon catchment area (47,38%), Alang catchment area (46,45%), and Keduang catchment area (24,98%) respectively). The condition like above caused by intervation of man. Not only did he influence vegetatively, but he influenced technically as well. From these conservation, technical conservation (flood and construction and reservoir) was the highest influence to run off discharge calculation. The run off discharge that was calculated by thornthwite-Mather Method based on air temperate, rainy, altitude, and water holding capacity only, but groundwater supply didn’t be calculated.
Identifikasi Bencana dan Evaluasi Pencapaian Tujuan Pembangunan Millenium di Nusa Tenggara Timur M. Baiquni; Dyah R. Hizbaron
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.v25i1.5034

Abstract

Regional development in the eastern part of Indonesia has not yet sufficient to achieve the aspect of Millennium Development Goals. At the aftermath of sustainable development ratification, three major concepts of social, economic and environmental pillars should be equally translated into the planning agenda. Unfortunately, the methods to analyze the environmental condition have not yet developed in the Indonesian planning culture. This article aimed at the development of the environmental method analysis using the identification of hazard and evaluation of the millennium development goals in the case study area of East Nusa Tenggara. The development of the methods destined to empower the local potential sector. The methods applied the desk study, simple statistical methods and simple matrices to construct the list of priority of problems, and development programs. The result of the research revealed that in East Nusa Tenggara had been experiencing a very low social welfare distribution. Flooding and clean water services were at the same time need to be managed properly to support human development in the frontier region. By strengthening identification towards hazard, and achievement monitoring of MDGs, it is expected that the area soon experience better environmental, social and economic development strategy.
Pattern Analysis of Vegetation and Structure Mapping of Yard Plant in Gatak District, Sukoharjo Sofyan Anif
Forum Geografi Vol 17, No 1 (2003)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v17i1.593

Abstract

Target of research is to know 1) level of type variety (diversitas) and mount the closeness (densitas) of lawn crop which conducting in region of District of Gatak of Sub Province Sukoharjo; 2) pattern of mapping of lawn crop which conducting in region District of Gatak of Sub Province Sukoharjo of pursuant to variety level and its closeness. This research is field survey done with the method of multi stage that is stratified purposive of sampling and random sampling. Focus the survey is does the stocktaking of lawn crop which conducting in house lawn. To know the structure of vegetate data processed by using formula Cox (1989) to know the closeness level, while to know the level of species variety, data analyzed to use the index of diversities Simpson. Pursuant to result of inferential solution and research 1) result analyze the structure of vegetate of lawn crop indicate that (a) District Gatak have the level of high diversities lawn crop, with the index diversities of equal to 0,84159 and index predominate equal to 0,15841, and also highest PIE 0,20657 and PIE lowerest of equal to 0,00032. Species of lawn crop having high domination that is melinjo (Gnetum gnemon), (b) closeness of lawn crop at every countryside in District Gatak of included in category very meeting of because  relied on by a closeness value of every countryside more than 75%. Crop found in research are having high closeness level for example: melinjo, banana, mango, rambutan, papaya, tapioca, and coconut, while crop having low closeness level for example: jambu mete, tapak doro, flower pukul empat; and 2) mapping of lawn crop cover the function value and amount of lawn crop found by a number of 57 type of lawn crop found in researh area, can be grouped to become 5 faction that is drug crop, vegetable faction, fruit crop, decorative crop, and protector crop.

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