Forum Geografi
Not a member yet
326 research outputs found
Sort by
Persebaran Penduduk yang Tidak Memiliki Dokumen Kependudukan di Indonesia
Get PDFThere 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
Genesis Pedon Tanah yang Berkembang di Atas Batuan Karbonat Wonosari Gunungkidul
Get PDFThe 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
Aplikasi ESDA untuk Studi Variabilitas Spasial Hujan Bulanan di Jawa Timur
Get PDFThis article expose the spatial variability of monthly-rainfall (MR) in East Java region. Monthly rainfall data were collected from 943 pluviometres spread around the regions. Spatial statistics analysed by means of ESDA (Exploratory Spatial Data Analysis) techniques available on Geostatistical Analyst extention of ArcGIS (9.3). Statistical tools exploited to analise the data include: (1) Histogram, (2) Voronoi Map, and (3) QQ-Plot. The result show that histogram and QQ-Plot of Monthly Rainfall data are leptocurtosis. Statistical value obtained from the analysis are: minimum = 54 mm/month, average = 155,5 mm/month, maximum = 386 mm/month, and median = 150 mm/month. Other statistical value summarised are: standard deviation = 44,2 ; skewness = 0,95; and curtosis = 5,09. Finally, monthly rainfall-maps are produced by interpolating the data using Inverse Distance Weighed (IDW) interpolation method. The research demonstrate the capability and benefit of those statistical tool to describe detailed spatial variability of rainfall
Prospek Partisipasi Petani dalam Program Pembangunan Hutan Rakyat untuk Mitigasi Perubahaan Iklim di Wonosobo
Get PDFPast experiences indicate that the success of many farm forestry projects is mainly influenced by farmers’ participation. Ex ante estimation of the likelihood of farmers’ participation in a particular farm forestry project might reduce the risk of project failure. This article is to analyze, ex ante, factors affecting a farmer’s participation in a hypothetical farm forestry project for climate change mitigation based upon a survey data of 117 farm forestry farmers in Tempurejo Village, Wonosobo Regency. Logit estimation suggests that the likelihood of a farmer’s participation is likely affected by age of farmer, education, farm household size and farmer’s experience in farm forestry business. Two policies implication of these findings are that government should increase farmers’ knowledge of climate change through extension programs, such as climate field school, and align the design of farm forestry projects for climate change mitigation with the prevailing farm forestry management system practiced by farmers
Aplikasi Penginderaan Jauh dan SIG dalam Penilaian Potensi Erosi Permukaan secara Kualitatif di Daerah Tangkapan Waduk Kedung Ombo
Get PDFThe purpose of this study was to determine the potential erosion qualitatively by using SES by using Remote Sensing and Geographic Information Systems in Kedung Ombo’s catchment area so it can be determined which areas of priority should be conserved. The method used is qualitatively analyses through SES method (Soil Erosion Status).) Which is calculated based on five parameters are: slope direction (aspect), slope (slope gradient), the density of the river (drainage density), soil type (Soil types), and land use (landuse/landcover). The result shows that DTW Kedung Ombo has three classes of erosion, which is very low, low and medium. Amounted to 41179.08 ha or 71.31% of the total DTW Kedung Ombo erosion potential is still relatively mild, 13956.01 ha (24.17%), erosion potential is very low and 2608.95 ha (4:52%) were classified as potential erosion
Pemanfaatan Teknologi Penginderaan Jauh dan Sistem Informasi Geografis untuk Pendugaan Potensi Peresapan Air DAS Wedi Kabupaten Klaten-Boyolali
Get PDFThe study was conducted in Klaten-Boyolali regencies in Wedi Watershed which is the Watershed of Dengkeng. The study aimed to: 1) know the interpretation precision of black and white panchromatic air photo scaling 1: 50.000 in identifying the soil factor, slope, landuse, vegetation density, and land conversation, related to the influences toward potensial water infiltration in the area of study; and 2) to know the distribution of potensial water infiltration in the area of study and analyze to the spatial distribution. The method of the study used was air photo interpretation supported by limited survey for filed test. The method of analysis applied was spatial analysis using Geographical Information System Technology (GIS). The result of the study showed that: 1) the level of air photo for interpreting determination factor of water infiltration in the area of study is acceptable together with the precision level of: slope 89.47%; soil texture 82.14%; land use 90.16%; vegetation density 88.89%; and land conservation 80.88%. it meant that although the precision level achieved had not been included in very precise category, the air photo still can be used in this study; 2) the potensial of water infiltration in the area of study tended to be less good, indicated by the dominance of the land in status of ‘begin to be rather critical and critical’ in the width of 81.999 km² or 75.04% placed by 28 land units; while the remaining of 8 land units in the width of 3.154 km² or 20.62% was in the status of 'natural normal' and 14 land units in the width of 22.544 km² or 20.62% had ‘good’ status. In the area of study, the space of land units with the potensial of good infiltration had no spatial relevance to the space of land units and the great infiltration capability
Identifikasi Bencana dan Evaluasi Pencapaian Tujuan Pembangunan Millenium di Nusa Tenggara Timur
Get PDFRegional 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
Dinamika Pemanfaatan Ruang Berbasis Kearifan Lokal di Kabupaten Buleleng Provinsi Bali
Get PDFThis Research is carried out in urban area and countryside of Buleleng regency. Generally, the aim of this study is to analyze the dynamic space exploitation based on local wisdom. Particularly. this research aims to: (1) analyze the difference of applying of local wise aspect in exploiting of regional room of countryside and lawn of custom society house in urban area and countryside, and factors that cause the difference of its applying and (2) solution of using custom countryside room and lawn of custom society house in urban area and countryside based on local wisdom. To reach the target designed research by using survey device, by using household as analysis unit. Household Sample is determined by proportional sampling random (145 sample). Data are collected through documentation technique, and interview of questioner. Then the data analyzed are through technique analyze qualitative. Research result out find differences of local wisdom applying in exploiting of regional room of countryside and lawn of house, and solution in exploiting of room base on local wisdom concept as materialization of human being interaction process with environment. Based on the research result, contribution that can be put forward: (1) contribution of theory: approach of countryside scale spatial and house made excellence of this research to express the difference of local wise applying in exploiting of regional room of countryside and lawn of house and (2) practical contribution: exploiting of room based on local wisdom can survive and sustain to influence modernize if custom society remains to tie with custom countryside. The concept of Tri Hita Karana as form of local wisdom form in utilizing adaptive room against change and growth of an era which is indicated with being compromise on Kahyangan Tiga as a soul of dwelling, territorial area as a village physical form and people who dwell there. This harmonious relation guarantee harmonious preserving environment
Analisis Perubahan Garis Pantai Menggunakan SIG serta Dampaknya terhadap Kehidupan Masyarakat di Sekitar Muara Sungai Rejoso Kabupaten Pasuruan
Get PDFThis research was conducted due to the rapid process of sedimentation around Rejoso estuary allegedly causes the land use and shorelines changes in the area. This research aims to ascertain (a) the changes in land use of research areas (years 1981-2009), (b) the changes of shorelines (year 2009-2010), and (c) the impacts of shorelines changes towards social life communities. Materials used in the research were aerial photographs in black and white panchromatic (year 1981; scale: 1:50.000), RBI Map of Rejoso Sheets (year 2000; scale: 1:25.000) and IKONOS image (year 2005 completed with field survey (year 2009). The steps of the research include (1) Cutting of aerial photographs, maps and images of the selected area, (2) radiometric and geometric correction, (3) digitization of shorelines and boundaries of land use, (4) field surveys to determine new boundaries which apply the GPS, (5) maps improvement based on the field survey, (6) maps overlay to analyze the changes in land use and in shorelines. Furthermore, the results of the research indicate (a) changes of land use (years 1981- 2009) including sea-fishpond (172.8 ha), sea-mangrove forest (67.0 ha), sea-bare land (coast) 51.4 ha, mangrove forest-fishpond (76.7 ha), fishpond-settlement (10.3 ha) , fishpond-rice field (7.2 ha), fishpond-mangrove forest (2.9 ha), rice field-fishpond (7.1 ha) and rice field-settlement (4.8), (b) changes in shorelines morphology, such as the changes in the estuary from concave to convex, shorelines advancing towards the sea approximately 1 km, the expansion of research area which is 141.9 ha and between years 1981 to 2000 approximately 133 ha, (c) the extension of the coastal area encouraging people to make new fishponds by converting the mangrove forests. Therefore, The Government of Pasuruan regency is recommended to strengthen the monitoring process towards spatial pattern of the coastal areas
Monitoring Penutupan Lahan di DAS Grindulu dengan Metode Penginderaan Jauh dan Sistem Informasi Geografis
Get PDFCatchments area can be analyzed as management system. Catchments area acquire input and it processed by the system to produce output. Land covers in catchments area are closely related to land use pattern and to management system. Land use changes to building area, agriculture and another activity are related to anthropological characters effected by change in function from vegetated land to unvegetated land. This condition have negative influences to the condition of carchment area. The damaged level of catchment area can be reflected by flood susceptibility, droughness, erosion and sedimentation, related impact onsite and offsite, so it is need a comprehensive management system from up land to low land river. To give information of land use in catchments area it needs accurate data about land cover in wide range. Remote sensing and Geographic Information System (GIS) are applicable to monitor land coverage of management catchments area. The aim of this paper is to analyze land cover using remote sensing and GIS to catchments area monitoring and evaluation. Land use in watershed connection with the pattern of nature resources by the community and the management of watershed. Total area of land use Grindulu watershed was 65.539 ha. From the map of land use could be seen that the spreading of the equitable meeting forest from the upstream to lower, and most property of the people. Land use became 8 classes, that is: Agroforestry (20%), Open Land (12%), Rare Forest (1%), Dense Forest (29%), Village (34%), Paddy (0.4%), River (0.2%), and Field (3%)