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INDONESIA
Forum Geografi
ISSN : 08520682     EISSN : 24603945     DOI : -
Core Subject : Science,
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 14 Documents
Search results for , issue "Vol 25, No 1 (2011): July 2011" : 14 Documents clear
Tipologi Pedogeomorfik Longsorlahan di Pegunungan Menoreh Kabupaten Kulonprogo Daerah Istimewa Yogyakarta Kuswaji Dwi Priyono; S Sunarto; Junun Sartohadi; S Sudibyakto
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.v25i1.5035

Abstract

Pedogeomorphology tipology was applied in this research to determine the occurrence of landslide in the Menoreh Mountains, Kulonprogo District, Yogyakarta Special Region. The research aimed to know (1) soil characteristics where landslide events occurred in the research area, (2) characteristic of landslide prone landform in the research area, and (3) typology pedogeomorphic of landslide events in the research area. Pedogeomorphologic approach was represented through the steps of mapping the occurrence of landslides and landform, soil profile pedogenitic analysis and geomorphologic analysis at the point of occurrence of landslide. The results show that landforms characteristic on the occurrence of landslide with slope 16-75%, elevation 210-807 m dpal, weathered zone depth 25-80 cm, and the position of contacts on the opposite slope is flat and parallel. The soil characteristics on the occurrences of landslides have a 20-186 cm soil depts with the content 21,50-95,00% of caolinite clay, and clay content ratio between horion A dan B 0,22-0,91. Pedogeomorphic typology landslides prone classified into 3 levels, namely: low, moderate, and high level of vulnerability. The low level are indicated by the thickness of soil depth 0,60, slope 25%, elevation 120 cm, caolinite clay content 70%, clay content ratio of A and B horizon 0,40, slope 60%, elevation 600 m dpal, the depth of weathered zone 60 cm, and the position of field contact against the slopes is parallel.
Pengembangan Ruang Terbuka Hijau berdasarkan Distribusi Suhu Permukaan di Kabupaten Bandung Siti Badriyah Rushayati; Hadi S. Alikodra; Endes N. Dahlan; Herry Purnomo
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.v25i1.5027

Abstract

Bandung Regency is experiencing increased of air temperature, particularly in the urban area. High air temperature in urban areas is caused by increasing built-up areas and declining green open space. Green open space should be built to lower air temperature and to create a comfortable micro climate. Green open space should be developed at locations with high air temperature to reach its efficacy. This research used spatial analysis to generate air temperature distribution map. The map was used as the basis in developing green open space. The map showed that green open spaces should be developed at several sub-districts, namely Margahayu, Margaasih, Dayeuhkolot, Baleendah, Bojongsoang, Rancaekek, Cileunyi, Pameungpeuk, and Majalaya sub-districts.
Prospek Partisipasi Petani dalam Program Pembangunan Hutan Rakyat untuk Mitigasi Perubahaan Iklim di Wonosobo Evi Irawan
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.v25i1.5036

Abstract

Past 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.
Pemanfaatan Teknologi Penginderaan Jauh dan Sistem Informasi Geografis untuk Pendugaan Potensi Peresapan Air DAS Wedi Kabupaten Klaten-Boyolali Agus Anggoro Sigit
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.v25i1.5028

Abstract

The 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.

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