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INDONESIA
Indonesian Journal of Geography
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.
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol 42, No 1 (2010): Indonesian Journal of Geography" : 7 Documents clear
ANALYSIS OF SOLID WASTE MANAGEMENT IN KOSOFE LOCAL GOVERNMENT AREA OF LAGOS STATE Fatai Olakunle Ogundele
Indonesian Journal of Geography Vol 42, No 1 (2010): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.1573

Abstract

Solid waste is a significant and growing problem in many urban areas ofthe Developing world. Current systems of waste management in most developingcountry cities are very rudimentary at best and are grossly inefficient and effective.Uncontrolled landfill disposal of solid waste is a pervasive problem which causes arange of external costs, including human health hazards. This research analyzesthe solid waste management and its problems in Lagos. The research makes use ofboth structured questionnaire survey to the state of solid waste managementactivities as well as the challenges while published data from Lagos state wastemanagement Agency as well as other published documents were used tosupplement the primary data sources . It is concluded that the most fundamentalrequirement is an integrated regulatory framework and supporting institutions.Once this framework is established then the problems of waste management will bereduced to the minimal level.
FARMING PRACTICE IN A FLOODPLAIN VILLAGE OF ASSAM (INDIA): CONTINUITY AND CHANGE Nityananda Deka; A. K. Bhagabati
Indonesian Journal of Geography Vol 42, No 1 (2010): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.1574

Abstract

Farming practice in a floodplain environment holds great ecological,economic and social significance. In many cases, agriculture is modernizedwithout caring much for the local environmental conditions. The traditionalfarming practices, although relatively less productive, are more often than not ecofriendlyand sustainable. This paper attempts to study the farming practicesfollowed in a floodplain village of the Brahmaputra valley, Assam, India in termsof cropping practice, inputs and crop protection measures, methods of harvestingand threshing and changes in cropping technology. The study is based on (i)primary data collected from all the 408 households of the village through apurposively designed survey schedule, (ii) interviews with selected farmers andother local knowledgeable persons, and (iii) field observation made by the authors.The data and information thus generated have been summarized using simplestatistical and cartographic tools. The study reveals that the farming practice in thevillage is still traditional in nature with little application of modern inputs andimplements. The small size of landholding and scattering of plots and very limiteddiversification of the rural economy hinder the process of modernization of thefarming practice.
THE DISTRIBUTION OF FLOOD HYDROGRAPH RECESSION CONSTANT FOR CHARACTERIZATION OF KARST SPRING AND UNDERGROUND RIVER FLOW COMPONENTS RELEASING WITHIN GUNUNG SEWU KARST REGION Tjahyo Nugroho Adji; M. Misqi
Indonesian Journal of Geography Vol 42, No 1 (2010): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.1575

Abstract

This research is carried out within two caves with underground river andone karst spring, which is located in Gunung Sewu karst area, Gunung Kidul. Theobjective of this research is to recognize some flood hydrograph properties of karstaquifer characterization in order to compare the comportment of aquifer to releaseits flow components between underground river and karst spring. Water level dataloggers are installed within two caves and one karst spring represent upper,middle, and lower elevation of karst topography, which are Beton, Seropan, andToto Cave, respectively. In addition, time series discharge measurement incorrespond to minimum, average, and maximum flow events is conducted toformulate the Annual Stage Discharge Rating Curve. Thereby, the full year riverhydrograph may be defined. Afterwards, by selecting several flood hydrographevents, the recession constant in each cave including diffuse flow (Kb), and fissureflow (Ki), and conduit flow (Kc) recession constant, is then calculated andcompared in every location. The result shows that Beton Spring that represents theupper part of research area confirms the quickest respond towards rainfall events.Also, this point specifies the medium number of diffuse recession constant(Kb=0.983), compared to Seropan (0.996), and Toto (0.937), means that theaquifer surrounding Toto Cave release its groundwater storage faster than BetonSpring and Seropan Cave. On the contrary, Seropan Cave performs the highestvalue of diffuse recession constant (0.996) and this situation is confirmed by its dryseason discharge that still above 810 lt/second.
URBAN SPRAWL OF THE CITY OF YOGYAKARTA,SPECIAL REFERENCE TO THE STAGEOF SPATIAL TRANSFORMATION (Case Study at Maguwoharjo Village, Sleman District) Sri Rum Giyarsih
Indonesian Journal of Geography Vol 42, No 1 (2010): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.1576

Abstract

The study was conducted in Maguwoharjo Village, Depok Sub-District,Sleman District, which is part of urban fringe area experiencing regionaltransformation. This study aims at understanding the regional transformationstages in the location studied. The survey method using in-depth interviews withsome informants was implemented. The data analysis was done descriptivequalitatively. From this study, it is found out that spatial distribution of regionaltransformation stages is closely associated with street connection and growthareas. Some areas directly bordering on Yogyakarta-Surakarta roads have higherregional transformation intensity than villages distant from the streets and growthareas.
CARBON GAS CALCULATION AS A RESULT OF LANDUSE CHANGE BY USING MULTI TEMPORAL LANDSAT TM 7 IMAGES OF 1992-2007 IN LIMA PULUH KOTA REGENCY Ernawati Ernawati; Yurni Suasanti; Yudi Antomi
Indonesian Journal of Geography Vol 42, No 1 (2010): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.1577

Abstract

The objective of this research is to map landcover change, and releasedcarbon emission in Lima Puluh Kota Regency and Payakumbuh Municipality since1992 – 2007 by using rapid assessment approach based on Multi TemporalLandsat TM 7 Images (1997-2007) of the Remote Sensing Technology. The findingspresent nine landcover classifications identified in Lima Puluh Kota Regency andPayakumbuh Municipality. The current largest landcover change areas arePrimary Forest, and Secondary Forest. Land cover change in Lima Puluh KotaRegency and Payakumbuh Municipality during the period of 1992 – 2007 indicateseven distribution of biomass content in both areas. In total, land cover changesince 1992 - 2007 in Lima Puluh Kota Regency and Payakumbuh Municipalitycontributes to the release of 1,141,458,592 tons of carbon or 76,097,239 tons ofcarbon per year, with 4,185,348,171 tons of CO2 emissions. The data suggest thatduring that period, both areas contributed 279,023,209 tons of CO2 as greenhousegas affecting the Earth’s temperature which then led to global warming.
APPLICATION OF US-SCS CURVE NUMBER METHOD AND GIS FOR DETERMINING SUITABLE LAND COVER OF SMALL WATERSHED Christanti Nana Widiyati; Sudibyakto Sudibyakto
Indonesian Journal of Geography Vol 42, No 1 (2010): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.1578

Abstract

This study aims to reveal the appropriate land cover which can reduce runoffusing US-SCS Curve Number method with GIS. Four land cover scenarios aredeveloped to reveal which one of existing land cover types is appropriate for thearea. To make a validation of the application US-SCS Curve Number Method,calculating observational run-off is required. Statistical analysis is than used totest those two run-off data. The result of this study shows that actual run-off depthis 2143, 0 mm and peak discharge is 91, 76 m3/s. The result also reveals that forestcoverage can reduce dramatically surface run-off until 48, 38 percent. Potatoincreases surface run-off 1, 59 percent, on the contrary, applying cacica papayacan reduce surface run-off 24, 6 percent. Scenario 4 is developed based on theresult of the previous scenario on run-off yield. Run-off yield result from scenario 4is 1690, 40 mm (decrease 21, 14 percent from actual run-off). Statistical analysisshows that there is no difference between observed run-off depth and estimatedrun-off depth in the level of significance 5 %.
APPLICATION INTEGRATION METHODS ON LANDSAT ETM + TO DETERMINE EARTHQUAKE POTENTIALS IN PALU GRABEN M. Rusydi H; Hartono Hartono; M. Pramono Hadi; Sunarto Sunarto
Indonesian Journal of Geography Vol 42, No 1 (2010): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.1579

Abstract

This study aims to assess the ability of the integration method at LandsatETM + imagery in recognizing object fault, main fault and secondary fault in PaluGraben. Mapping of fault and calculate earthquake potential, based of fault that isfound in Graben of Palu. The image used in this study is Landsat ETM +.Techniques used to process Landsat ETM + is a method of integration. LandsatETM+ imagery processed with ENVI software 4.4, while the mapping of faults anddetermining of length using ArcGIS 9.2.The potential of earthquakes is calculatedfrom the length of faults found in the Graben of Palu. Results obtained showed thatthe patterns of lineament as a picture of fault in the Palu Graben can be extractedfrom Landsat ETM +. Lineament of fault is seen clearly on Landsat ETM + imageprocessed with integration method and band combination, 45PC1_8. Faults arearranged in the form of map. There are 66 faults found at research sites.Magnitude earthquake 5,5 SR can be produced from the fault with a length greaterthan or equal to 9 km. If each faults contributes the same to earthquakeoccurrence, the potential incidence of earthquake with magnitude greater than orequal to 5.5 SR in the Graben of Palu is 33.8%, while the magnitude is smallerthan 5.5 SR is 66.2%. The largest magnitude that can occur in Palu Graben, 7.1SR. These results indicate that the potential earthquake destructive (≥ 5.5 SR) ofapproximately 33.8%.

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