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Indonesian Journal of Geography

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Published by Universitas Gadjah Mada

ISSN : 00249521 EISSN : 23549114 DOI : -

Core Subject : Science,

Earth & Planetary Sciences

Indonesian Journal of Geography ISSN 2354-9114 (online), ISSN 0024-9521 (print) is an international journal of Geography published by the Faculty of Geography, Universitas Gadjah Mada in collaboration with The Indonesian Geographers Association. Our scope of publications includes physical geography, human geography, regional planning and development, cartography, remote sensing, and geographic information system. IJG publishes its issues three times a year in April, August, and December.

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Articles 506 Documents

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The Analysis of Communication Climate and Organizational Culture for Increasing the Performance of Regional Development Planning Erwin Pardede
Indonesian Journal of Geography Vol 46, No 1 (2014): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

One of the attempts to improve the quality of human resources in a certain area is to utilize the role of theIndustrial Training and Education Center Regional I of the Ministry of Industry, Medan. In order to maximize the performanceof planning in the Industrial Training and Education Center Regional I of the Ministry of Industry, Medan,we need to know what factors which should be considered in its achievement.For this reason, there is the problem of theresearch as follows: how about the influence of the Climate of Organizational Culture and Communication in improvingthe performance of Regional Development Planning at the Industrial Training and Education Center Regional I ofthe Ministry f Industry, Medan. The objective of the research was to analyze the correlation between communicationclimate and organizational culture in order to improve the performance of Regional Development Planning Regional Iof the Ministry of Industry, Medan.The research used explanatory quantitative approach. The samples consisted of 267respondents. The data were analyzed by using descriptive statistic analysis and inferential statistic analysis with SEMequation model and processed by using an Amos version 16 software program.The result of the research showed thatcommunication climate and organizational Culture play a very important role for improving the planning performanceof in its implementation.

Livelihood Srategies and the Welfare of Transmigrants Yanmesli Yanmesli; R Rijanta; Sutikno Sutikno; Nasruddin Harahap
Indonesian Journal of Geography Vol 46, No 1 (2014): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Transmigration is one of the manifestations of artificial human community that is expected to increase thenatural resource utilization activities for welfare in a transmigration location. This paper is to find out the livelihoodstrategies and their effect on transmigrants’ welfare. Results of the study indicates at Stage I (the first 1.5 years), transmigrantsgenerally applied a survival strategy by relying on the living allotment of government. At Stage II (the second1.5 years), a part of them sougth other source of income for establishing their livelihood. At Stage III (the third 2 yearsand afterward), a part of them left the transmigration location, while others have able to survive until the primary commodityof rubber can be productive after the sixth year of cultivation. Welfare is achieved by those that could to applythe livelihood strategies to have the established sources of income outside the transmigrants’ primary commodity, particularlyfrom Pasuruan, East Java Province.

Urban Socio-Economic Variables and Intra-Urban Trips in Ogun State, Nigeria Solanke Muse Olayiwola
Indonesian Journal of Geography Vol 46, No 1 (2014): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

This study examines the relative influence of socio-economic variables of urban centers on intra-city tripgeneration. Data were collected on sixteen socio-economic variables and household trip generation in fourteen urbancenters of the state. The nature and degree of relationships between socio-economic variables and trips generated wereestablished through simple bivariate correlation technique. Multiple regression analysis was used to explain variablesthat predict trips generated. The principal component analysis was used to resolve observed collinearity problem in regressionanalysis.There is a strong significant positive correlation between trip generated and 13 out of sixteen socio-economicvariables. The principal component analysis on the socio-economic variables produced two components: socialand commercial component and industrial development component.The two components explain 58.68% of variationin intra-urban trips generated (F=7.830, P≤0.50), (F=13.982, P≤0.50). The industrial development component does notprovide significant explanation.The study emphasizes the need for proper planning and effective monitoring of developingof socio-economic variables in cities because of their critical influence on trip generation.

Urban Risk Assessment of Lahar Flows in Merapi Volcano (Study Case: Muntilan Urban Area, Central Java) Cosmas Bambang Sukatja; Sudibyakto Sudibyakto; RPGA Voskuil
Indonesian Journal of Geography Vol 46, No 1 (2014): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

The objective of the research was to analyse probability of lahar flows occurrence in Muntilan urban area,Central Java. By using integrated methods, which involve the numerical simulation program, Geographic InformationSystem (GIS), Remote Sensing (RS) and field verification to produce lahar flows Hazard Map and Risk Map. Muntilanurban area located at western flank of Merapi volcano, and in down stream of Lamat river. The river is Lahar River thatis endangering from Merapi volcano, which flowing down to cuts a cross of that area. Therefore, Muntilan urban areais vulnerable area from lahar flows disaster. Lahar flows, generally occur during intense rainfall on saturated volcanicdeposit in upper stream of river or wall of volcano. Lahar flows are extremely dangerous especially to those living invalley areas near a volcano, which can undercut banks and cause houses destruction situated on the banks, and canbury and destroy resident, structures, infrastructure facilities including roads and bridges. Meanwhile, development ofMuntilan urban area that caused many illegal settlements appears surrounding that area. Occasionally, un-benefit peopleconstructing house in disaster prone area, such as down stream of river side that have lahar flows risk. The research wasconcluded that lahar flow occurrence in 100 years return period will be buried the Muntilan urban area. With the methodsintegrating of GIS, RS, field verification can be done analysing of lahar flows hazard map, and risks map to producerisk assessment in Muntilan urban area.

Residential Area and Income Inequality in Suburban Indonesia Pitri Yandri
Indonesian Journal of Geography Vol 46, No 1 (2014): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Suburban becomes footing for the population who migrate from rural to urban areas, especially from livingand housing. Similarly, when the population in urban areas assume that the city is no longer comfortable to their live,so the only possible choice for them is moving to suburb. The subsequent impact of the phenomenon is tremendousconstruction of residential areas as a result of the high demand for housing. The problem then is the construction ofresidential areas often neglect the interests of the local neighborhood. Thus, the residential area becomes a kind of modernresidential area in a local neighborhood. Then it widen its impacts of inequality between communities in residentialarea with communities in local neighborhood. This paper presents the finding that contributor of income inequality insuburbs areas in Indonesia comes from a modern residential area. The evidence for the argument is the result of TheilEntropy Index calculation on modern residential area is higher than the traditional residential area, which is respectively0.34 and 0.15.

Estimation of Carbon Stock Changes in Above Ground Woody Biomass due to Volcano Pyroclastic Flow and Pyroclastic Surge Selli Fidi Yani Wardani
Indonesian Journal of Geography Vol 46, No 1 (2014): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Merapi Volcano National Park (MVNP) is susceptible to volcanic hazard since it is located around Merapivolcano, especially pyroclastic flow. Carbon sequestration in the national park is becoming a priority of forest developmentas stipulated in Government Regulation Number 28 Year 2011 and Number 49 Year 2011. This study aims to knowthe effect of pyroclastic event to carbon stock in MVNP. In this study the natural carbon rate recovery in MVNP wasestimated to determine the growth rate of natural carbon recovery in MVNP. To estimate carbon stock change in MVNP,2006 QuickBird and 2011 GeoEye satellite imageries were used. Object based image segmentation of high resolutionsatellites imagery could recognize physical dimensions of individual trees such as crown projection area (CPA). In thisstudy, carbon stock was derived using allometric equation based on measured diameter at breast height (DBH) in thefield. A model was developed to estimate carbon stock based on DBH estimation in the field and segmented CPA fromthe image. Based on the segmentation process, the model of CPA and Carbon in MVNP was developed. The F scorewhich indicate the accuracy of segmentation of needle leaf and broadleaved of 2011 GeoEye were 0.68 and 0.54 respectively.Logarithmic model which has 6.37 % error was used to estimate broadleaved carbon stock while quadratic modelwhich has 10.31 % error was used to estimate Pine tree carbon stock in MVNP.

Land use planning of paddy field using geographic information system and land evaluation in West Lombok, Indonesia Widiatmaka Widiatmaka; Wiwin Ambarwulan Ambarwulan; Rudi P Tambunan; Yusanto A Nugroho; Suprajaka Suprajaka; Nurwadjedi Nurwadjedi; Paulus B.K. Santoso
Indonesian Journal of Geography Vol 46, No 1 (2014): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Planning analysis to increase rice production either through intensiḀcation of existing paddy Ḁeld area or ex-tensiḀcation in potential land area was conducted in West Lombok Regency, West Nusa Tenggara Province, Indonesia. Existing paddy Ḁeld was delineated using high-resolution data from IKONOS imagery of 2012. Land use and land cover outside existing paddy Ḁeld were interpreted using SPOT-5 imagery of 2012. ἀe Automated Land Evaluation System (ALES) was used for land suitability analysis for paddy. ἀe results are interpreted in terms of the potential of paddy Ḁeld intensiḀcation in existing paddy Ḁeld area and the potential of extensiḀcation in land potentially used for paddy Ḁeld. ἀe result of analysis showed that in West Lombok Regency, there are still possible to do intensiḀcation and extensiḀca-tion of paddy Ḁeld to increase rice production in order to improve regional food security.

New Cities In Urban And Regional Development Planning Oyesiku K; Lagos, Nigeria. Longman (2010) Pp 353. Isbn 978 978 026 3577 (Paper Back) Includes Index, Photos, Notes, Tables And Figures, Appendix And References. Price N1,500.00. Approx. $10.00. Mohammed Olaitan Lawal
Indonesian Journal of Geography Vol 46, No 1 (2014): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

For a long time, cities have been regarded as the main source of economic growth and development. However, increased size and density of cities have generated high land costs, rent and transport cost, congestion and pollution, and increased social disorganization. The condition is even worse in developing countries – urban migration, over-utilization of housing and infrastructure, persistent slums, and squatter settlements. This books represents a comparative study between the USA and Nigeria related to characteristics of the cities in both countries. This book tries to address the question “How has the United States of America and Nigeria have been able to address the problems of ‘swollen’ cities and metropolitan growth?”. Outcome of several planned new communities and cities in both countries is of paramount importance to the contribution of knowledge on physical planning approaches globally. The most significant discussion are shown in the final chapter, by giving examples of policy implications and comments on new cities in national and regional development as well as urban and regional development and planning strategy in the global context.

Spatio Temporal Analysis of Land Use Change for Supporting Landslide Exposure Assessment Anung . Kurniawan; B.G.C.M (Bart) Krol
Indonesian Journal of Geography Vol 46, No 2 (2014): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Located in landslide prone areas, Cipanas and Pacet sub-districts are placed in areas where land uses are very dynamic. Land use change analysis is needed in these sub-districts for assessing its pattern and the driving factors that caused the change. Moreover, the results from the analysis can be used as input for land use change modeling to predict land use in the future for supporting landslide exposure assessment. ἀe objective of this research is to assess spatio temporal dynamic of landslide exposure by integrating land use change modeling using CLUE-S and landslide exposure assessment. ἀe obtained Kappa value was classiḀed as high agreement. Future land use prediction was conducted by considering three scenarios, baseline scenario (no restriction), scenario 1 (restriction in conservation area), and scenario 3 (restriction in conservation area and landslide prone area). Result of future land use prediction year 2031 in baseline scenario dominated by settlement and infrastructure expansion and forest conversion into another land use. However, implementation of scenario 1 and 2 in the model, were successfully restricts forest conversion and development of settle-ment and infrastructure in landslide prone area. Landslide exposure assessment was conducted by combining weighted asset map and landslide susceptibility map. ἀere were two type of asset considered in this research, social and physical asset. Population density was applied as a factor for social asset, while land use was applied as a factor for physical asset. Weight of assets and their factors was determined based on experts opinion by using Analytic Hierarchy Process (AHP) approach. ἀe result landslide exposure assessment shows that high and medium landslide exposure area follow pat-tern of settlement and infrastructure land use. Future landslide exposure assessment by considering baseline scenario resulted in the increasing of high landslide exposure area in year 2031. On the other hand, by applying restriction in scenario 1 and 2, high landslide exposure can be reduced.

Determination of Coastal Belt in the Disaster Prone Area: A case study in the Coastal area of Bantul Regency, Yogyakarta, Indonesia Arief Widianto; Michiel Damen
Indonesian Journal of Geography Vol 46, No 2 (2014): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Mitigation strategy development is needed for protecting coastal communities and preserving coastal resourc-es from the impact of coastal hazards. It is believed that coastal land use planning can be proposed to reduce impact of coastal hazards. ἀe coastal belt boundary development is one of the mitigation approach which is common use in many countries as an inexpensive solution compared to hard structure development. Our study was located in the coastal area of Bantul regency, a low lying coastal area and densely populated region, where some clustered people lives proximity to the sea. In this study, a new method for determining coastal belt boundary was developed in the study area. ἀe Spatial Multi Criteria Evaluation (SMCE) tool of Ilwis plays as powerful tool for assessing coastal vulnerability in term of multi-hazard events. To calculate the width of the coastal belt boundary, the Ilwis-SMCE outcomes were employed. By apply-ing this method, there were three scenarios of the setbacks wide for both direct and pairwise method to be proposed. In general, the coastal area of Bantul Regency is dominated by high vulnerable area respectively impacted by multi-hazard events (tsunami, high wave and erosion-accretion), by incorporating some coastal features, such as topography, bio-physics, economic, and social-culture. ἀe results of the analysis are consistent with what was observed in the actual areas. Taken into account for hazard and vulnerability indices, the coastal belt boundary established in this area should wider than those already determined by existing regulations.

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