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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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Dynamic Land Resources Management at the Mount Kelud, Indonesia Wardhani, Puspita Indra; Sartohadi, Junun; Sunarto, Sunarto
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.v31i1.3612

Abstract

There is a contradictive situation between the theory that believes that high volcanic hazard areas should be for limited production zones and those areas that are intensively utilised for several production activities. This paper tries to discuss that contradictive situation from both the perspective of natural hazards and natural resources, therefore, the best options for the land utilisation pattern might be formulated at these high volcanic hazards areas. We conducted landscape analysis that covers volcanic morphology, volcanic materials, and both natural and artificial processes that modify the morphology and materials characteristics. The natural processes occurring in the high volcanic hazard might cover non-volcanic processes such as erosion and landslide. The artificial processes were usually considered as land utilisation activities by the local community. In such areas where both natural and artificial processes occurred, we conducted in-depth interviews to assess the community perception on thread and benefits of the last Kelud Eruption in February 2014. We evaluated the current land resources utilisation and portrayed the local adaptive land resource utilisation. There were three types of land resources available at the active volcano: space, natural scenery, and volcanic materials. The availability of these land resources was in a dynamic condition both in terms of quality and quantity. Immediately after the eruption, the natural scenery made the area attractive as a tourist destination. Following the high intensity of rainfall, the volcanic materials might be used as high-quality construction materials. The available space might be utilised for any purposes after the situation became relatively stable. The current space was mostly used for agricultural enterprises which accommodates the physical and socio-cultural characteristics of the active volcano environment.
Perubahan dan Pergeseran Paradigma Perencanaan Pengembangan Perkotaan Royat, Sujana
Forum Geografi Vol 9, No 1 (1995)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v9i1.520

Abstract

Dalam mengkaji pengembangan perkotaan di Indonesia, maka terdapat dua pandangan dasar yang dapat diterapkan untuk mengupas permasalahan serta mengenali berbagai problematika yang dihadapi. Pertama, dengan menggunakan cara pandang kota sebagai dimensi fisik dari kehidupan dan kegiatan usaha manusia yang memberikan berbagai implikasi pada aspek-aspek pembangunan. Kedua, kota dipandang sebagai bagian dari suatu sistem yang menyeluruh dari kehidupan dan kegiatan usaha manusia dan masyarakat yang saling terkait dengan upaya pada aspek-aspek pembangunan lainnya. Kupasan permasalahan yang dihadapi dalam pengembangan perkotaan ini pada dasarnya ditujukan untuk mengenali visi dan paradigma yang digunakan dalam melandasi upaya-upaya pengembangan perkotaan tersebut. Melalui pengenalan terhadap visi dan paradigma tersebut, maka akan dapat dikenali pula perubahan dan pergeserannya yang sejalan dengan corak dan sifat permasalahan pengembangan perkotaan yang dihadapi dalam kurun waktu yang bersangkutan. Serta diarahkan untuk memperbaiki dan menyempurnakan, dengan didasarkan atas problematika dan tantangan yang dihadapi kini dan masa mendatang dalam konteks pengembangan perkotaan. Kesimpulan dari studi ini adalah bahwasanya visi dan paradigma-paradigma yang berlaku pada pengembangan perkotaan pada dasarnya merupakan cerminan dari harapn dan kebutuhan pada pelaku-pelaku yang terlibat dalam pengembangn perkotaan tersebut dan tingkat perkembangan serta kemajuan yang dicapai oleh masyarakat secara umum pada kurun waktu yang bersangkutan.
Genesis Pedon Tanah yang Berkembang di Atas Batuan Karbonat Wonosari Gunungkidul Mulyanto, Djoko; Subroto P.S., S; Lukito, Herwin
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.v25i2.5038

Abstract

The variation of soil color that developed on carbonate rocks which are generally white, very interesting to be studied. The aim of the study is to examine the formation of two pedons of black soil and red soil by hue 10 YR and hue 5 to 2.5 YR which successively developed on marly limestones and calcarenite. Analysis of mineral properties consist of the total minerals of sand fraction, clay fraction and rock powders. Soil chemical properties include: pH, organic C, exchangeable cations and cation exchange capacity, CaCO3, the amorphous-crystalline of Fe and Mn, the total of Fe and Mn, the analysis of physical properties is the texture of seven fractions. The results showed that the development of the red soil is much more developed than black soil that shown by intensively decalcification process of red soil that impact on the low of pH, base saturation and cation exchange capacity, whereas the development of black soil is inhibited. The formation of black soil is more inherited of clay bearing marly limestone after carbonate dissolution, whereas the red soil development through rubification and illuviation.
The Strategy Of The Homeless Survival In Surakarta Kaeksi, Retno Woro; Umrotun, Umrotun; Susanto, Susanto; Handayani, Triana Nur; Nugroho, Satriyo
Forum Geografi Vol 16, No 1 (2002)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v16i1.415

Abstract

The research is carried out in Surakarta. The goal of the study is to know: the characteristic of the homeless, the factors that cause them to he the homeless and the strategis of the homeless to survive in Surakarta. The research uses survey method, while its area is chosen purposively. The research also uses primary and secondary data. The primary data is obtained by interviewing the respondents with questionnaire, while secondary data is based on the information got from the relevant institution.The resjoondents are taken 10 % randomly from all the population. The results of the rsearch show that the homeless are 11-8 years old (96.66%), most of them are boys (91.11%). The majority of the respondents did graduate from the Lower Secondary School (55.56%); most of them come from outside of Surakarta (62%). Their primary activity is as singing beggars (62,22 %) and their daily income is about RP 10. 000 RP 14. 000 (60.00%). Their parents are uneducated people. They are only graduated from Elementary School (7S.56%).The factors that cause them to he homeless are the economic factor 77.78%, lack of family attention (13.33%) and the willingness to he independent (80.89%). Based on the  result this research, we know that the poverty has made the children become homeless. The strategis to survive are: they are thrif (40%), add their time to work (13.13%), move to other place (11.11%) and save their money (15.56%).
Ibnu Battutah dan Perkembangan Ilmu Geografi di Indonesia Martha, Sukendra
Forum Geografi Vol 5, No 2 (1991): December 1991
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v5i2.4681

Abstract

lbnu Battutah sebagai seorang geografiwan muslim dan pengembara dunia atau journey geografi mempunyai kemampuan hebat dalam mengbasilkan karya besar yang dikagumi oleh dunia Barat. Dengan perjalanannya, bagian wilayah Indonesia telah dikunjungi sebanyak dua kali yakni pada tahun 1345 dan tahun 1346. Oleh karena itu dalam perkembangan ilmu geografi di Indonesia, sumbangan Ibnu Battutah tidak dapat diabaikan begitu saja. Hal ini mengingat babwa Battutah, sebagai geografiwan tertentu telah mencatat hasil-hasil perpelancongan geografisnya di Indonesia, khususnya di Samudera Pasai, Sumatera. Sekilas tentang biografi Battutah dan sumbangannya terhadap Geografi Indonesia disajikan dalam makalah ini.
Estimation of Solar Radiation using Artificial Neural Network Suprayogi, Slamet
Forum Geografi Vol 18, No 1 (2004)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v18i1.602

Abstract

The solar radiation is the most important fator affeccting evapotranspiration, the mechanism of transporting the vapor from the water surface has also a great effect. The main objectives of this study were to investigate the potential of using Artificial Neural Network (ANN) to predict solar radiation related to temperature. The three-layer backpropagation were developed, trained, and tested to forecast solar radiation for Ciriung sub Cachment. Result revealed that the ANN were able to well learn the events they were trained to recognize. Moreover, they were capable of effecctively generalize their training by predicting solar radiation for sets unseen cases.
Impacts of El Niño 2015 and the Indian Ocean Dipole 2016 on Rainfall in the Pameungpeuk and Cilacap Regions Martono, Martono; Wardoyo, Teguh
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.v31i2.4170

Abstract

El Niño and the Indian Ocean Dipole (IOD) are oceanographic phenomena which occur in the tropical Pacific Ocean and the Indian Ocean due to air–sea interactions. These phenomena affect climate variability both regionally and globally. This study was conducted to understand the impacts of El Niño 2015 and IOD 2016 events on rainfall in the Pameungpeuk and Cilacap regions. The data used consists of the NIÑO3.4 index, IOD index, daily rainfall from 1987–2016, daily sea surface temperature from 1987–2016, daily sea surface height from 1994–2016 and pentad sea surface current from 2007–2016. The method used in this research was a descriptive analysis. The results have shown that rainfall in Pameungpeuk and Cilacap was influenced by El Niño 2015 and negative IOD 2016. During El Niño 2015 a decrease in rainfall occurred, whereas during negative IOD 2016 rainfall increased. Rainfall anomalies in the east season and the second transition season during El Niño 2015 in Pameungpeuk reached −107 mm and −374 mm; meanwhile in Cilacap rainfall anomalies reached −111 mm and −218 mm. Conversely, rainfall anomalies during negative IOD 2016 reached 109 mm and 360 mm in Pameungpeuk, and in Cilacap reached 293 mm and 365 mm. Changes in rainfall in Pameungpeuk and Cilacap during El Niño 2015 and negative IOD 2016 events were closely related to the weakening and strengthening of convections in the southern waters of Java.
Statistical Quantification for Supporting Geographical Research in Natural Resource Inventory and Evaluation Martha, Sukendra
Forum Geografi Vol 13, No 2 (1999)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v13i2.456

Abstract

In supporting geographical researches, statistical quantifications are required to assist natural resources inventory and evaluation. Statistical analysis for any research either in  sciences will represent the result quality of the research. To do this, all research system implementations. Started from data collection, process to their presentation need to apply quantitative statistics data and numbers. This paper is meant as introducing all geography researchers in conducting researh tasks, particularly in the field natural resources inventory and evaluation.
Perbandingan Pendapatan, Curahan Jam Kerja, dan Tenaga Kerja Usaha Tani Tebu Rakyat Intensifikasi (TRI) dengan Usaha Tani Padi di Desa Karangmojo Kecamatan Tasikmadu Kabupaten Karanganyar Tahun 1992/1993 Dahroni, D
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.v8i2.4825

Abstract

Program Tebu Rakyat Intensifikasi (TRI) adalah program nasional yang mulai dilaksanakan sejak dikeluarkannya Inpres Nomor 9 Tahun 1975. Mengingat arti pentingnya program TRI sebagai program nasional dan kelompok sasaran yang dituju yakni para petani, maka penelitian ini bertujuan untuk mengukur besarnya perbandingan pendapatan petani dari usaha tani TRI dengan pendapatan petani dari usaha tani padi. Penelitian ini juga bertujuan untuk mengukur besarnya curahan jam kerja yang dimanfaatkan dari masing-masing cabang usaha tani di Desa Karangmojo, Kecamatan Tasikmadu, Kabupaten Karanganyar. Dalam penelitian ini metode yang digunakan yakni metode survai dan penentuan sampel dilaksanakan secara sampling. Sampel wilayah dan sekaligus sebagai daerah penelitian, ialah ditentukan secara purposife. Responden dalam penelitian ini ialah petani yang berusaha pada TRI, petani padi, dan buruh tani. Pengambilan responden dilakukan dengan cara mengambil 55 responden, terdiri dari Kelompok I sebanyak 11 sampel petani TRI dan padi, Kelompok II sebanyak 27 sampel petani TRI dan padi, dan Kelompok III sebanyak 23 sampel petani TRI dan padi. Data yang diambil dalam penelitian ini yakni data primer dan sekunder ditambah data yang diperoleh melalui wawancara bebas kepada pamong penduduk yang ada hubungannya dengan penelitian ini. Jenis data primer yang dikumpulkan berupa pendapatan petani dari usaha tani TRI dan usaha tani padi. Data sekunder yang dikumpulkan antara lain data penduduk, luas penggunaan lahan, pengairan, curah hujan dan pengolahan TRI beserta besarnya rendemen tebu. Hasil penelitian ini menunjukkan bahwa pendapatan dari usaha tani TRI lebih kecil daripada pendapatan usaha tani padi (pendapatan usaha tani padi banyak Rp. 2.297.363,90 sedangkan usaha TRI Rp. 7.927.866,12). Curahan jam kerja (jam kerja dan tenaga kerja) yang dimanfaatkan dari usaha tani TRI lebih kecil daripada usaha tani padi (jumlah jam kerja usaha tani padi sebanyak 2.237,29 jam dan usaha TRI sebanyak 7.937,95 jam, jumlah tenaga kerja usaha tani padi 758 orang dan usaha TRI 7 05 orang). Disamping, itu ada keluhan perihal persoalan-persoalan yang dihadapi oleh para petani sistem target glebagan, yang tanpa disadari pertimbangan-pertimbangan, perhitungan kadar rendemen tebu tidak jelas dan potongan-potongan yang tidak jelas pula.
Morphometry Characteristics of Riverbed Sediment Grains as Basic Indicator Management of River Valley Environment (Case Study of Bogowonto River, Central Java) Dibyosaputro, Suprapto
Forum Geografi Vol 29, No 2 (2015): December 2015
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v29i2.1128

Abstract

This research aims to propose the usage of riverbed sediment grains roundness/flatness as basic indicator of river valley management. It is based on the evaluation of anomalous morphometry condition of sediment grains and valley condition along the river as one indicator of the stability of the riverbank of the river valley. This stability express the physical condition of the river valleys. In this paper, we provide methodological explanation as well as a case study in Bogowonto River. Analysis of the morphometry of sediment grain on riverbed from upstream to downstream as well as the relationship between the distance of the upstream and morphometry of sediment grains along Bogowonto River were conducted. Finally, we evaluated the anomalous condition as indicator of different environmental condition of the riverbank. We conducted three stages survey processes: preparation, fieldwork, and post-fieldwork. The preparation phase includes site selection, depiction of the main river channel of Bogowonto River, and the determination of the sample location. The distance between each sampling site was 5 km along Bogowonto River. The results show that there is anomalous morphometry of sediment grains found in the study area. The reason is that the channel of the segment of the river flowing over rocky riverbed of breccia along the 7.5 km, with hard and sharps edge grained of rock particles. This is accompanied by landslide the occurrence in the upper segment of the river. This is why the value of roundness and flatness indexes are changed significantly become lower value than the previous segment. This condition can be implemented to be used as indicator to basic management of landslide along a certain segment which indicated by the changing in roundness and flatness index values of the sediment grains. 

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