scholarly journals Geoinformation technologies as a basis for research of the optimal location of general secondary education institutions (on the example of Chernivtsi city territorial community)

2021 ◽  
Vol 30 (2) ◽  
pp. 389-401
Author(s):  
Myroslav D. Zayachuk ◽  
Ivan I. Kostashchuk ◽  
Kostiantyn V. Darchuk ◽  
Yurii O. Bilous

GIS technologies allow an analyzis of large data sets at the lowest cost. To  date, when forming a network of secondary schools, almost no geographic information  systems have been used. GIS plays a special role in the study of transport and walking  accessibility to GSEI. The article analyzes the theoretical, methodological and practical  problems of using geographic information systems in studies of walking accessibility to general secondary schools of Chernivtsi city  territorial community and describes the general secondary education institutions of the studied community. Based on geoinformation  systems developed in Open Route Service and QGIS, the areas of the community with the best and worst walking accessibility to  secondary schools were identified, which is certainly of great practical importance in creating pivotal institutions, their service zone  and overcoming the problem of overcrowding in some schools. The most convenient location of the general secondary education  institutions of Chernivtsi city territorial community was observed in the central part of the city, as well as in microdistricts Prospect and  Boulevard, where there is a fairly dense arrangement of general secondary education institutions. There are also areas in the community  that are outside the 2-kilometer walking accessibility zone and require transportation for students. Such areas are the Shantsi, Tsetsyno  and Slobidka and Rohizna microdistricts, which have a cottage type accommodations. In general, most of the community is within  walking accessibility. An important aspect of the location of GSEI is the availability indicator, which ranges 0.2 to 0.81. The average  rate of accessibility to GSEI in the Chernivtsi city territorial community is 0.65. It should be noted that in the community there is a  relevant problem of providing students with places in GSEI in those areas, where today the construction of new residential areas is  actively carried out, while educational institutions are not expanding and not being built.

2017 ◽  
Vol 2 (2) ◽  
pp. 423-429
Author(s):  
Ummi Kalsum ◽  
Yuswar Yunus ◽  
T Ferijal

Abstrak.  Erosi dapat memicu degradasi lahan. Potensi erosi akan meningkat dengan semakin berkurangnya tutupan lahan dan minimnya tindakan konservasi. SIG diterapkan dalam berbagai ilmu antaranya yaitu dalam bidang bidang sumberdaya alam (inventarisasi manajemen dan kesesuaian lahan untuk pertanian). Rumusan masalahnya adalah sebagai berikut, Apakah kelas erosi yang terjadi di DAS Meureudu berada dalam kategori sedang ? Bagaimana penerapan upaya konservasi vegetatif dan mekanik ? Apakah terdapat korelasi antara besarnya erosi dengan upaya konservasinya ?. Kelas erosi yang terjadi di DAS Meureudu berada dalam kategori sedang. Upaya konservasi vegetatif dan mekanik di DAS Meureudu dapat diterapkan. Terdapat korelasi antara besarnya erosi yang terjadi di DAS Meureudu dengan upaya konservasinya. Jumlah erosi total yang terdapat di DAS Meureudu sebesar 109,52 ton/ha/thn, termasuk kedalam kelas laju erosi yang sedang. konservasi yang disarankan dapat mengurangi laju erosi yang terdapat di DAS Meureudu menjadi 24,62 ton/ha/thn. Penerapan konservasi dengan jenis tanaman dan pengelolaan yang tepat dapat mengurangi kelas laju erosi sedang menjadi ringan.Kata kunci : Erosi, SIG, KonservasiAbstract. Erosion triggers soil degradation and its rate will increase due to a decline topsoil quality with no real conservation. By using GIS (Geographic Information Systems) to examine the soil erosion and the conservation practices on the Drainage Basin (DAS) Meureudu.The formulation of the problem is as follows, Do class erosion in the watershed Meureudu in a category is? How the application of vegetative and mechanical conservation efforts? Whether there is a correlation between the magnitude of erosion by conservation efforts?. Class erosion in the watershed Meureudu are in the medium category. Vegetative and mechanical conservation efforts in the watershed Meureudu can be applied. There is a correlation between the magnitude of the erosion in the watershed Meureudu with conservation aims. it was found that the total erosion in that area was 109,52 ton/ha/year (categorized as average rate of soil erosion). Concerning this result, the conservation practices needed was 24,62 ton/ha/year. Applying appropriate conservation such as using proper management and plants will decrease the rate of soil erosion.Keywords: Erosion, GIS, ConservationAbstract. Erosion triggers soil degradation and its rate will increase due to a decline topsoil quality with no real conservation. By using GIS (Geographic Information Systems) to examine the soil erosion and the conservation practices on the Drainage Basin (DAS) Meureudu.The formulation of the problem is as follows, Do class erosion in the watershed Meureudu in a category is? How the application of vegetative and mechanical conservation efforts? Whether there is a correlation between the magnitude of erosion by conservation efforts?. Class erosion in the watershed Meureudu are in the medium category. Vegetative and mechanical conservation efforts in the watershed Meureudu can be applied. There is a correlation between the magnitude of the erosion in the watershed Meureudu with conservation aims. it was found that the total erosion in that area was 109,52 ton/ha/year (categorized as average rate of soil erosion). Concerning this result, the conservation practices needed was 24,62 ton/ha/year. Applying appropriate conservation such as using proper management and plants will decrease the rate of soil erosion


2018 ◽  
Vol 24 (6) ◽  
pp. 103 ◽  
Author(s):  
Basim Hussein Khudair ◽  
Noor Sameer Sadeq ◽  
Raghad Sameer Mahmoud

The problem of rapid population growth is one of the main problems effecting countries of the world the reason for this the growth in different environment areas of life commercial, industrial, social, food and educational. Therefore, this study was conducted on the amount of potable water consumed using two models of the two satellite and aerial images of the Kadhimiya District-block 427 and Al-Shu,laa district-block 450 in Baghdad city for available years in the Secretariat of Baghdad (2005, 2011,2013,2015). Through the characteristics of geographic information systems, which revealed the spatial patterns of urban creep by determining the role and buildings to be created, which appear in the picture for the year 2008, 2013, 2015, respectively, compared to buildings and residential areas allocated in 2005. Comparison of each year before to estimate the number the population is the bidder in these years. The amount of water consumed in this period has also been obtained to estimate the amount of water produced for sanitation. The knowledge of growing buildings, increasing population and percentage of increase in the amount of water consumed. Geographic information systems reveal spatial patterns of civilian creep by measuring dimensions in new urban expansion areas from city middle and roads. In various years and in order to knowledge changes that have occurred in particular in the built-up areas, and the urban analyze congestion for periods of lagging and the growth prediction of urban area in the coming years.  


2020 ◽  
pp. 0734242X2096283
Author(s):  
Victor Fernandez Nascimento ◽  
Anna Isabel Silva Loureiro ◽  
Pedro R. Andrade ◽  
Laurindo Antonio Guasselli ◽  
Jean Pierre Balbaud Ometto

One of the most crucial parts of solid waste management is determining landfill site location, since multiple factors must be considered and there is no universal formula. The main purpose of this study is to make a worldwide systematic review of restriction criteria used for landfill siting using geographic information systems (GIS). Literature from the last years was thoroughly assessed, and 45 restrictions found were classified as environmental, economic, or social criteria. Our findings show that although the number of articles published has increased recently, they use on average seven restrictions, focusing mainly on environmental over economic and social criteria. In our boxplot statistical analysis, the most frequently used environmental restrictions are the distance from surface water resources (used in 77% of articles), slope (52%), and distance from groundwater founts (40%), with a median of 300 m, 20%, and 250 m, respectively. The most frequently used economic restrictions are distances from roads (60%), airports (40%), and power lines (18%), with medians of 275 m, 3000 m, and 75 m, respectively. The most frequently used social restrictions are distances from urban areas (45%), settlements and residential areas (40%), and cultural heritage or archaeological areas (23%), with medians of 1000 m. This information might help, on the one hand, governments to develop new legislation about landfill siting and on the other hand, decision-makers and scientists to produce new studies with different restrictive scenarios.


Author(s):  
Nafisa Abdurazakova

The presented article analyzes the topical issue of using geographic information systems in monitoring agricultural land in the Republic of Uzbekistan. Research methodology - analysis of scientific literature on a given problem, as well as practical domestic experience. The scientific novelty of the article lies in the demonstration of modern and relevant data on the land monitoring system within the framework of the agricultural industry on a specific example of a country - the Republic of Uzbekistan. As the main conclusions and results of the article, we can highlight the fact that Most of the economy of Uzbekistan is based on the development of the agricultural sector. In the field of agricultural production, high technologies are actively used here, namely, geographic information systems, which allow real-time collection of data on the area and other characteristics of agricultural land. So, systems based on GIS technologies have been used in the field of agricultural production since 2005. They collect and automatically process information on the turnover of agricultural land. As world practice shows, there are broad prospects for expanding the functionality of such systems. Thus, an integrated monitoring system allows you to plan the harvest and predict the amount of necessary fertilizers to be applied to the soil, analyze the effectiveness of agricultural work, etc. The integrated monitoring system is based on a map linking information about the location, area and boundaries of agricultural land. The results of the article are of theoretical and practical importance for modern science and can be recommended as citation in scientific papers. KEY WORDS: information systems, agricultural land, commercial exploitation, monitoring, Republic of Uzbekistan.


Author(s):  
Martin D. Crossland

Geographic information systems (GISs) as a technology have been studied and reported extensively and, not unexpectedly, in the field of geography. The various ways of capturing spatial data, arranging attribute data into appropriate database structures, and making the resulting large data sets efficient to store and query have been extensively researched and reported (Densham, 1991). However, the geographic research community has only recently noted the need to study how GISs are used as decision tools, especially with regard to how such decision making might be related to a decision maker’s cognitive style (Mennecke, Crossland, et al., 2000). As an example, the University Consortium for Geographic Information Science called for research examining how geographic knowledge is acquired through different media and by users with different levels of experience and training (University Consortium for Geographic Information Science, 1996).


2014 ◽  
Vol 1 (1) ◽  
pp. 31
Author(s):  
Muhammad Rusdi ◽  
Ruhizal Roosli ◽  
Mohd Sanusi S. Ahamad

Banda Aceh is a residential area that is most severely impacted by the earthquake and tsunami on December 26, 2004. Recently, ten years after the incident, many settlements were rebuilt. As a disaster-prone areas, Banda Aceh would need to be evaluated against the settlement area base on water salinity. The focus of the study centered on the application of geographic information systems in handling spatial data bearing capacity of the land into the concept of the FAO land suitability. To ensure the application works, it requires geospatial analysis compiled based on the salinity of the water variables that can be observed and measured for the residential requirements. The results showed that 86 percent (ordo S) suitable for residential areas and 14 per cent (ordo N) is not suitable.Banda Aceh adalah daerah pemukiman yang paling parah terkena dampak gempa dan tsunami pada 26 Desember 2004. Baru-baru ini, sepuluh tahun setelah kejadian tersebut banyak pemukiman yang dibangun kembali. Sebagai daerah rawan bencana, evaluasi terhadap kadar salinitas pada basis kawasan pemukiman di Banda Aceh perlu dievaluasi. Fokus dari penelitian ini berpusat pada aplikasi sistem informasi geografis dalam penanganan data spasial terhadap dukung data tanah sesuai dengan konsep kesesuaian lahan FAO. Untuk memastikan aplikasi tersebut sesuai, analisis geospasial disusun berdasarkan variabel salinitas air yang diamati dan diukur sebagai persyaratan pembangunan pemukiman. Hasil penelitian menunjukkan bahwa 86 persen (ordo S) cocok untuk daerah pemukiman dan 14 persen (ordo N) adalah tidak cocok.


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