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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 14 Documents
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Search results for , issue "Vol 19, No 1 (2005): July 2005" : 14 Documents clear
Spreading of Groundwater Contamined by Leached in the Surrounding Area of Piyungan Landfill Bantul District, Yogyakarta Province J Sartohadi; M Widyastuti; I. Sri Lestari
Forum Geografi Vol 19, No 1 (2005): July 2005
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v19i1.4572

Abstract

The objectives of this research are: (1) to study the characteristics of aquifer, distribution and chemical types of groundwater in the research area; (2) to measure the consentration of major elements (HC03-, Cl-, S042-, Ca2+, Mg2+, Na+, K+) and minor elements (S2-, NH4+) as indicators of leached contamination in the groundwater; and (3) to establish the spreading of contamined groundwater by leached. The grid sampling method was applied in this research. The grid dimension is 1 cm x 1 cm measured in the 1:25000 scale of Indonesian Topographic Map. The groundwater samples were taken randomly within the grid. Not the whole study area covered by the map was grided but only the surrounding area of Piyungan Landfill and the area lower than Piyungan landfill were grided. The groundwater samples were taken during the rainy season because during the rainy season there were more leached produced from Piyungan Landfill. The groundwater samples were examined their physical and chemical qualities using the legal standard quality in Yogyakarta Province. Spatial analysis using maps and graphics were applied to examine the spreading of contimined groundwater by leached. The spreading of unconfined groundwater in the study area was not equal distributed but it seems to be controlled by the landforms. There were an increasing elements content of Cl-, Ca2+, Mg2+ and HCO3-, as well as dissolved oxygen, NO3- and S2- in the groundwater contamined by leached. The zonation of the spreading of groundwater contamined by leached was categorized into three class, i.e., central (location of landfill, well number 1 0), transisional (well number: 11, 12, 13, 15), and primary (well number: 8, 14, 16, 17, 25, 26) zones. The zonation of groundwater matched with the analysis of groundwater quality by the distance from the Piyungan Landfill.
Critical Land Detection using Remote Sensing Device and Geographic Information (Case Study of Critical Land Basic of Catchments Area, Alang, Wonogiri) Beny Harjadi
Forum Geografi Vol 19, No 1 (2005): July 2005
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v19i1.4567

Abstract

Work criteria and indicator of Catchments Area need to be determined because the success and the failure of cultivating Catchments Area can be monitored and evaluated through the determined criteria. Criteria Indicators in utilizing land, one of them is determined based on the erosion index and the ability of utilizing land, for analyzing the land critical level. However, the determination of identification and classification of land critical level has not been determined; as a result the measurement of how wide the real critical land is always changed all the year. In this study, it will be tried a formula to determine the land critical/eve/ with various criteria such as: Class KPL (Ability of Utilizing Land) and the difference of the erosion tolerance value with the great of the erosion compared with land critical level analysis using remote sensing devices. The aim of studying land critical level detection using remote sensing tool and Geographic Information System (SIG) are:1. The backwards and the advantages of critical and analysis method2. Remote Sensing Method for critical and classification3. Critical/and surveyed method in the field (SIG) Collecting and analyzing data can be found from the field survey and interpretation of satellite image visually and using computer. The collected data are analyzed as:a. Comparing the efficiency level and affectivity of collecting biophysical data through field survey, sky photo interpretation, and satellite image analysis.b. Comparing the efficiency level and affectivity of land critical level data that are found from the result of KPL with the result of the measurement of the erosion difference and erosion tolerance.
Analysis of Susceptance Storey Level Damage of Coral Reefs in Territorial Water of Archipelago in Karimunjawa by Using Geographical Information System J Jumadi; Kuswaji Dwi Priyono
Forum Geografi Vol 19, No 1 (2005): July 2005
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v19i1.4568

Abstract

This research aim to determine susceptance storey level damage of coral reefs in Territorial Water of Archipelago of Karimunjawa. Method which used in this research is special data analysis which in the form of data of sekunder by using Geographical Information System. Pursuant to analysis known that research area there are six especial stressor which menace coral reefs for example: Port, Airport, Center Dive, Coastal Wisata, Resident, and Appliance Catch. Pursuant to spasial analysis which have can be determined that equal to 69.50% from entire coral reefs research area in a condition do not susceptance, namely there are in territorial water region of Island: Kembar, Parang, Kumbang, Katang, Nyamuk, Krakal Besar, Krakal Kecil, Geleang, Burung, Bengkoang, Menyawakan, Cemara Besar, Cemara Kecil, Sintok, Gundul, Cendikian, Genting, Seruni, and Sambangan. As for the rest equal to 30.50% enough natural rentan of damage, there are at territorial water of islands owning high resident activity storry level, namely around in Island: Kemujan, Karimunjawa, Menjangan Besar, and Menjangan Kecil.
Identification of Settlements Quality in Pekanbaru Slums M. Amin Sunarhadi; D Dahroni; P Priyono
Forum Geografi Vol 19, No 1 (2005): July 2005
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v19i1.4570

Abstract

One of human basic needs is housing with high competitive situation caused increasing need of housing, spatial restriction, and economics factors. These influence to decreasing of housing quality then consequence to slums settlement. Undistributed population at Pekanbaru shown at Tangkerang Utara, Teluk Leok, and Meranti Pendak where slums are growing up. The aim of this stucdy is identifying slums area in Tangkerang Utara, Teluk Leok, and Meranti Pandak with spatial, complexity, and environmental approach. Data collected as primary and secondary data. Then are 28 indicators to identified slums area and classified quality of settlements. Results of this study shown that Tangkerang Utara have Medium Quality with typology as slums at center city, Teluk Leok have Low Quality with typology as slums at river side, and Meranti Pandak have Medium Quality with slums at urban fringe. This study also found that slums in Pekanbaru have spatial associated with low housing quality, community with low economic capacity, high density of population and building, bad sanitation, susceptible of fire and natural hazard, weakness of spatial planning implementation, and insufficient ratio of environmental settlement infrastructure. In pekanbaru, slums growth as continuous process.

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