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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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Persebaran Penduduk yang Tidak Memiliki Dokumen Kependudukan di Indonesia Ahmad, Irdam
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.v25i2.5040

Abstract

There are two main problems of population administration system in Indonesia. Firstly, population data is not well managed and overlapped among many government institutions. Secondly, many people do not possess population documents because they did not report any vital events that have been occurred in their family, such as birth, death, move in and move out. These problems then cause list of election voters (DPT) in 2009 general election (Pemilu) are not valid. This study would like to know geographic maps of people that do not possess population documents by province. In addition, this study also search factors affecting people that do not possess paper official identities, using logistic regression. The results show that out of six independent variables used in this study; age and education of head of household, distance to village office, village status (urban/rural), household income and number of household members, only distance to village office which is significant in influence people do not possess population documents.
Evaluasi Kemampuan Lahan Kecamatan Kedawung Kabupaten Sragen Jawa Tengah Priyono, Kuswaji Dwi; Anna, Alif Noor; 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.v6i1.4687

Abstract

Penelitian ini bertujuan untuk mengklasifikasi dan mengevaluasi kelas kemampuan lahan, serta memetakan kelas kemampuan lahan Kecamatan Kedawung, Kabupaten Sragen, Jawa Tengah. Hasil akhir disajikan dalam Peta Kelas Kemampuan Laban skala 1:50.000. Klasifikasi kelas kemampuan lahan didasarkan pada jumlah skor factor-faktor lahan yang menguntungkan dan yang merugikan dari metoda Soepraptohardjo (1962 dengan modifikasi). Faktor-faktor lajan tersebut dinilai pada setiap satuan bentuk lahan. Satuan bentuk lahan diperoleh melalut interpretasi peta topografi, peta geologi dan pengama!an lapangan. Dari basil klasifikasi didapatkan bahwa daerah penelitian seluas 2375 hektar (49.1%) mempunyai kelas kemampuan lahan kelas I 2,400 hektar (49.6%) dengan kelas kemampuan lahan kelas II, dan 62.5 hektar (1.3%) mempunyai kelas kemampuan lahan kelas IV. Kemampuan laban Kelas I menyebar pada bentuk lahan Lembah Fluvial terkikis ringan dan Lereng Kaki Volkan terkikis Ringan, kelas II pada satuan bentuk lahan Lembab Fluvial terkikis sedang dan Lereng Bawah Volkan terkikis ringan, sedangkan Kelas IV terletak pada satuan bentuk lahan Lembab Fluvial terkikis berat. Adapun faktor penghambat pada kemampuan laban kelas II adalah erosi dan lereng, sedangkan pada Kelas IV adalah erosi, lereng, tanah dan batuan. Berdasarkan Faktor penghambat maka lahan ini termasuk dalam Sub-kelas II el dan Sub-kelas IV elsb.
Monitoring Land Cover Changes in the Disaster-Prone Area: A Case Study of Cangkringan Sub-District, the Flanks of Mount Merapi, Indonesia Sadono, Ronggo; Hartono, Hartono; Machfoedz, Mochammad Maksum; Setiaji, Setiaji
Forum Geografi Vol 31, No 2 (2017): December 2017
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v31i2.5324

Abstract

Volcanic eruption is one of the natural factors that affect land cover changes. This study aimed to monitor land cover changes using a remote sensing approach in Cangkringan Sub-district, Yogyakarta, Indonesia, one of the areas most vulnerable to Mount Merapi eruption. Three satellite images, dating from 2001, 2006 and 2011, were used as main data for land cover classification based on a supervised classification approach. The land cover detection analysis was undertaken by overlaying the classification results from those images. The results show that the dominant land cover class is annual crops, covering 40% of the study area, while the remaining 60% consists of forest cover types, dryland farming, paddy fields, settlements, and bare land. The forests were distributed in the north, and the annual crops in the middle of the study area, while the villages and the rice fields were generally located in the south. In the 2001–2011 period, forests were the most increased land cover type, while annual crops decreased the most, as a result of the eruption of Mount Merapi in 2010. Such data and information are important for the local government or related institutions to formulate Detailed Spatial Plans (RDTR) in the Disaster-Prone Areas (KRB).
The Investigation of Heavy Metal Content (Cu, Cd, Pb) in Sapu-Sapu Fish (Hypostomus plecostomus) in Bengawan Solo River Setyarini, Ristiyana Eko; Astuti, Dwi; Ambarwati, A
Forum Geografi Vol 19, No 2 (2005): December 2005
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v19i2.4840

Abstract

A study had been carried out to investigate heavy metal (Cu, Cd, Pb) content in sapu-sapu fish (hypostomus plecostomus) in Bengawan Solo river. The type of this research was observational research, with sapu-sapu fish inhabit Bengawan Solo River as the population. The samples were taken with purposive random sampling. Nine sapu-sapu fishes taken from 3 places, i.e.: Nguter Sukoharjo area, Premulung river outlet and Anyar river, 3 fishes from each palce, and then take examined the content of heavy metal. The result of study showed that the average content of Cu: 0.027 mg/100gr, Cd: 0.005 mg/100gr and Pb: 0.042 mg/100gr. Hence, sapu-sapu fish in Be3ngawan Solo had been contaminated with heavy metal (Cu, Cd, and Pb) and should not be consumed.
Multidimensional Scaling Approach to Evaluate the Level of Community Forestry Sustainability in Babak Watershed, Lombok Island, West Nusa Tenggara Nandini, Ryke; Kusumandari, Ambar; Gunawan, Totok; Sadono, Ronggo
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.v31i1.3371

Abstract

Community forestry in Babak watershed is one of the efforts to reduce critical land area. The aim of this research was to evaluate the level of community forestry sustainability in both of community forest (HKm) and private forest in Babak watershed. Multidimensional scaling (MDS) was used to analyse the level of community forest sustainability based on the five dimensions of ecology, economy, social, institutional, and technology as well as 29 attributes. Leverage analysis was used to know the sensitive attributes of sustainability, while Monte Carlo analysis and goodness of fit was used to find the accuracy of MDS analysis. The result shows that HKm was in moderate sustainability level (sustainability index 54.08%) and private forest was in less sustainability level (sustainability index 48.53%). Furthermore, the ecology and technology in HKm were classified as less sustainable, while the institution and technology in private forest were considered less sustainable. There were 11 sensitive attributes of HKm and 19 sensitive attributes of private forest. The priorities of attribute improvement in HKm include land recovering (the dimension of ecology) and cooperative development (the dimension of technology). In private forest, the priorities of attribute improvement include leadership capacity building (the institutional dimension) and also the use of silviculture intensive and soil conservation (the dimension of technology).
Pemaknaan Filsafati Kearifan Lokal untuk Adaptasi Masyarakat terhadap Ancaman Bencana Marin dan Fluvial di Lingkungan Kepesisiran Sunarto, S
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.v25i1.5026

Abstract

The purpose of this research was to study the philosophical meaning of local wisdom that developed in the communities in the coastal environment, particularly in the eastern coast of Central Java. The method used for this philosophical meaning using the approach of geomorphological hermeneutics and disaster semiotics. The results of this research indicate that identified local wisdom in the form of cultural semiotics and faunal semiotics to anticipate the hazards of climate change as marine hazard and fluvial hazard. Cultural semiotics found in the form of advice that still need to be interpreted with a geomorphological hermeneutics approach order to use it to adapt to the coastal environment against marine hazard. The cultural semiotics has a geomorphological philosophical meaning as natural cycle that leads to dynamic equilibrium, not the philosophical meaning that leads to the view of anthropocentrism. In addition, also found cultural semiotics of “Dina Rèntèng” based on the philosophical views of ecocentrism. The cultural semiotics is used in society to adapt to the fluvial hazard. Faunal semiotics found in the form of anomalous crab behavior as a form of adaptation due to its response to environmental condition. The faunal semiotics has been used as a guide for the community to adapt to the fluvial hazard. Because of the local wisdom is loaded with philosophical meaning, it can be metatourism assets, so it can convert harm into benefit.
Groundwater Quality Distribution in Development City between Surakarta-Kartasura (Ground Water Hidrologi System Contemplation in Bengawan Solo Recharge) Anna, Alif Noor
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.v15i1.4667

Abstract

This research is conducted in Kartasura-Surakarta s area especially from an area that relatively does not grow (recharge area) to an area growing to became a city (discharge area). The area is phisiographically restricted by a groundwater contour (i.e. 200 m from sea level) and by three rivers (i.e. Pepe, Wiro, and Bengawan Solo). This research has one objective to know the distribution of groundwater quality in Kartasura-Surakarta that is located between Pepe river and Wiro river. This research uses survey model and description comparative model completed by cheking the field. On the one hand, survey model measures physical data and density population data, and on the other hand, description comparative model is used to know the influence of physical factors and density population factors on groundwater quality. Physical data and density population data collected by using purposive proportional random sampling are analyzed with trend analysis model, statistical analysis model (i.e. parsiil correlation and one-way variant analysis). The result of this research shows that the groundwater quality in the field declines. The trend analysis proves that most of the parameter concentrations of groundwater quality increase from the recharge area to the discharge area. Furthermore, the conclusion is also supported by the result of parsiil correlation analysis that shows a positive correlation between the distance and the most of the parameters, although the positive correlation between the depth of groundwater and the parameters of groundwater quality is weak. Moreover, the results of one-way variant analysis to the selected factors (i.e. geology formation, density groundwater contour, and density population) with the parameters of water quality show that there is a strong difference on the most of the parameters.
Modeling of Percentage of Canopy in Merawu Catchment Derived From Various Vegetation Indices of Remotely Sensed Data Sulistyo, Bambang; Gunawan, Totok; Hartono, H; Danoedoro, Projo
Forum Geografi Vol 27, No 1 (2013): July 2013
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v27i1.5075

Abstract

The research was aimed at studying Percentage of Canopy mapping derived from various vegetation indices of remotely-sensed data int Merawu Catchment. Methodology applied was by analyzing remote sensing data of Landsat 7 ETM+ image to obtain various vegetation indices for correlation analysis with Percentage of Canopy measured directly on the field (PTactual) at 48 locations. These research used 11 (eleven) vegetation indices of remotely-sensed data, namely ARVI, MSAVI, TVI, VIF, NDVI, TSAVI, SAVI, EVI, RVI, DVI and PVI. The analysis resulted models (PTmodel) for Percentage of Canopy mapping. The vegetation indices selected are those having high coefficient of correlation (>=0.80) to PTactual. Percentage of Canopy maps were validated using 39 locations on the field to know their accuracies. Percentage of Canopy map (PTmodel) is said to be accurate when its coefficient of correlation value to PTactual is high (>=0.80). The research result in Merawu Catchment showed that from 11 vegetation indices under studied, there were 6 vegetation indices resulted high accuracy of Percentage of Canopy maps (as shown in the value of coefficient of correlation as >=0.80), i.e. TVI, VIF, NDVI, TSAVI, RVI dan SAVI, while the rest, namely ARVI, PVI, DVI, EVI and MSAVI, have r values of < 0.80.
Mencari Paradigma Baru untuk Perencanaan Permukiman: Acuan Khusus untuk Program Transmigrasi Yunus, Hadi Sabari
Forum Geografi Vol 8, No 1 (1994): July 1994
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v8i1.4817

Abstract

Makalah ini bermaksud untuk mengemukakan pemikiran yang berkaitan dengan upaya pemerintah dalam memindahkan penduduk dari daerah- daerah tertentu ke daerah-daerah permukiman baru. Pada umumnya perhatian pemerintah selalu tertuju pada daerah-daerah tujuan saja, tidak banyak memikirkan kondisi wilayah asal para pemukim. Ketimpangan ini jelas akan menimbulkan dampak negatif terhadap tingkat kemapanannya. Beberapa model pemukiman dengan mempertimbangkan daerah asal dan tujuan pemukiman menjadi sorotan utama makalah ini. Dari pemahaman konsep pemukiman inilah diharapkan terkondisinya paradigma baru untuk perencanaan pemukiman, sehingga program transmigrasi dapat dilaksanakan dengan baik.
Akurasi Metode IDW dan Kriging untuk Interpolasi Sebaran Sedimen Tersuspensi di Maros, Sulawesi Selatan Pramono, Gatot H.
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.v22i2.4988

Abstract

Physical conditions of seawater in coastal area can be studied by sampling at several locations. To perform spatial analysis, the data should be interpolated to get the values between sample points. Several approaches for interpolation may result in different outcomes. The purpose of this research is to compare Inverse Distance Weighted (IDW) and Kriging methods. Their parameters are studied using the total suspended sediments in Maros area, South Sulawesi. The results show that the more accurate interpolation is obtained by using IDW method than using Kriging method.

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