scholarly journals The Detection of Changes in Land Use and Land Cover of Al- Kut City Using Geographic Information System (GIS)

2022 ◽  
Vol 30 (1) ◽  
pp. 747-760
Author(s):  
Fatima Asaad Tayeb ◽  
Ahmed Kareem Jebur ◽  
Husham H. Rashid

Models of digital elevation (DEMs), which provide elevation information for the ground surface of the catchment, are core components of computer-based analyzes for drainage basins. Many production methods are available, including contour interpolation, DGPS (Differential Global Positioning System) interpolation, and digital photogrammetry techniques. However, data on the precision and often contradictory nature of these three techniques are sparse. This study aims at identifying some of the contributing factors and comparing the accuracy of various approaches quantitatively. Changes in land coverage break ecosystem cycles, which may directly affect land ability to sustain human activity resulting in long-term trends of decline and inter-annual variability. It can be monitored at a spatial level of detail to enable the study of human-induced changes. Remote sensing techniques (RS) and geographical information system (GIS) methods have been used to extract the spatial and temporal changes of urban land use in the city of Al-Kut. The land sat satellite images taken in periods encompassing 1997, 2007, and 2017 are used. As a result, the city has lost a large part of its urban specificity and gained randomness and disorder in most of its residential neighborhoods, which was especially exacerbated after the change in the governing system in 2003. The results show an increase of 314% and 219% in industrial and residential areas, respectively, whereas agricultural land and open spaces have decreased by 66 % and 32%. The data analysis reveals a diagnostic relationship between land-use conversion and socio-economic drivers. This research sheds light on the total area changes of the Al-Kut city before and after 2003. It highlights the significant destruction of the city life, which was established over almost three centuries.

Author(s):  
Raphael Abiodun Olawepo ◽  
Yusuf Alapata Ahmed ◽  
Ayodeji Asaju

The increase in the growth of cities and the numbers of people moving to cities in the last two decades have led to sharp increase in transportation demand and development of slums and urban sprawl. Cities like Lagos, Ibadan, Kano, Port-Harcourt and Ilorin and other areas in Nigeria are experiencing many pressure on land use such as;, free-space, transportation facilities and a host of urban related problems which urgently deserve planners’ attention. Ilorin is one of the fastest growing cities in Nigeria. The problems of transportation and land use in Ilorin can be summarized into the following: long queue of people daily at ‘bus stops’, the problem of old narrow streets in most of the unplanned areas of the city and the emerging incursion of transport infrastructural facilities into the residential areas. To address these and other urban land-use problems world-wide, various governments have put in place different urban renewal programmes, but in the case of Nigeria little impacts on the city transportation and land-use systems had taken place. This research used exploratory method to justify the essence of planning in transportation system and on land-use in order to enhance and maintain sustainable development. The paper also suggests some measures like; expansion of existing narrow roads and provision of necessary infrastructural facilities, inter modality light rail/tram, creation of modern parks at specified locations as well as enlargement of public and private partnerships-involving the Government, transport associations, financial institutions, the available universities and some other professional bodies to serve as panacea to problems highlighted.


2021 ◽  
Vol 13 (24) ◽  
pp. 13602
Author(s):  
Hossain Mohammad Arifeen ◽  
Md. Shahariar Chowdhury ◽  
Haoran Zhang ◽  
Tanita Suepa ◽  
Nowshad Amin ◽  
...  

Land use and land cover (LULC) change is considered among the most discussed issues associated with development nowadays. It is necessary to provide factual and up-to-date information to policymakers to fulfil the increasing population’s food, work, and habitation needs while ensuring environmental sustainability. Geographical Information System (GIS) and Remote sensing can perform such work adequately. This study aims to assess land use and land cover changes concerning the Barapukuria coal mine and its adjacent areas in Bangladesh by applying remote sensing and GIS (geographical information system) techniques. This research work used time-series satellite images from the Landsat 7 ETM+ satellite between 1999 and 2009 and the Landsat 8 OLI/TIRS satellite for 2019. Supervised classification maximum likelihood classifier matrix was implemented using ERDAS Imagine 2018. The images were categorised into four definite classes: settlement, agricultural land, forest land, and waterbody. Analytical results clearly indicated that settlements and agricultural land had increasing and decreasing trends over the past 20 years, respectively. Settlements increased from 22% to 34% between 1999 and 2019. However, agricultural land reduced from 69% to 59% in the same period. Settlements grew by more than 50% during this period. The research had an overall accuracy of 70%, while the kappa coefficient was more than 0.60. There were land subsidence issues because of mining activities, leading to 1.003 km2 area being depressed and 1500 houses cracked. This research depicts the present LULC scenario and the impact of the coalfield area. It is expected to reduce the burden on policymakers to prepare a proper and effective mines development policy in Bangladesh and meet sustainable development goal (SDG) 15 (Life on land).


2021 ◽  
Vol 6 (4) ◽  
pp. 365-379
Author(s):  
Vasco Barbosa ◽  
Mónica Marcela Suárez Pradilla

The constant modification of land use, economic instability, environmental factors, and social behaviour changes among the inhabitants of big cities characterize current urbanism. In Colombia, land-use planning processes supported by geographical information systems are a recent phenomenon and the legal instruments of spatial planning are inadequate in most municipalities. Moreover, socio-spatial equity represents a challenge for Latin American cities in which there is increasing awareness of the role that spatial planning plays. Consequently, the question arises as to how the urban spatial structure and organization contribute to an inclusive and equitable socio-spatial evolution, considering climate change impacts. The case study analysed in this article focuses upon the northern limits of the city of Bogotá. Therefore, this research aims to define the ideal balance of urban land-use distribution between social stratum classification and the vulnerability of the communities seeking to better adapt to climate change. We propose a methodological approach of analysing spatial syntax and the (social) intensity of activities and infrastructure, which enables us to characterize the urban structure itself and identify vulnerable urban instances. As a result, we find that the urban network with low values presents spatial unpredictability in its pattern, constraining equitable development based on the urban morphology of the city. This research allows us to conclude that the degree of vulnerability encountered by the social urban spatial structure is higher in expansion areas than in central areas of the city.


2021 ◽  
Vol 4 (2) ◽  
Author(s):  
Nur Indah Mansyur, S.P., M.P ◽  
Ramdani A.I

ABSTRACTLand use analysis is useful to identify the mechanisms of changes that occur in a land through a spatial approach in the Geographical Information System. The spatial approach is carried out by using the Arcgis program to analyze geographic data into map units. This study aimed to (1) determine the design of a Geographical Information System (GIS) in an inventory of the use and erosion potential hazards of agricultural land in Tarakan, and (2) inform the use and erosion potential hazards of agricultural land in Tarakan. this study took spatial data from the Public Works and Spatial Planning Office (DPUTR) of Tarakan, Digital Elevation Model (DEM) data to analyze the slope and height of Tarakan and field surveys using GPS. The results showed that the area of agricultural land use in Tarakan in general was 75.33%, dominated by forest land use 38.91%, non-residental open land 25.72%, agriculture 9.35% and plantation land 1.35%. In the land use system, it was never separated from the type of land cover. There were 10 types of land cover in Tarakan including urban forest, dry land forest, swamp/peat forest, mixed garden, dry land/fields, open land, shrubs, orchid botanical gardens, meadows and rice fields. Tarakan had the potential for erosion hazards which could be seen from the slope factor. From 2012-2020, there was an erosion of the area of the slope in each class, namely flat, sloping, steep, rather steep and very steep as well as a reduction in height from 124 MASL in 2012 to 107 MASL in the year 2020. With the existence of land cover and the potential danger of erosion, the land management approach in Tarakan must prioritize aspects of land intensification and conservation, so that the ecosystem can be maintained in a sustainable manner.Keywords : Land Use, Geographical Information System (GIS), Erosion Hazard Potential ABSTRAKAnalisis penggunaan lahan berguna untuk mengidentifikasi mekanisme perubahan-perubahan yang terjadi pada suatu lahan melalui pendekatan spasial dalam Sistem Informasi Geografis. Pendekatan spasial dilakukan dengan menggunakan program Arcgis untuk menganalisis data  geografis kedalam satuan peta. Penelitian ini bertujuan untuk (1) mengetahui rancangan Sistem Informasi Geografis (SIG) dalam inventarisasi penggunaan dan potensi bahaya erosi lahan pertanian di Kota Tarakan, dan (2) menginformasikan penggunaan dan potensi bahaya erosi lahan pertanian di Kota Tarakan.. Penelitian ini mengambil data spasial dari Dinas Pekerjaan Umum dan Tata Ruang (DPUTR) Kota Tarakan, data Digital Elevation Model (DEM) untuk menganalisis kemiringan lereng serta ketinggian Kota Tarakan dan survey lapangan menggunakan GPS. Hasil penelitian menunjukkan bahwa luas penggunaan lahan pertanian di Kota Tarakan secara umum 75,33%, didominasi penggunaan lahan hutan 38,91%, lahan terbuka non pemukiman 25,72%, pertanian secara khusus 9,35% dan lahan perkebunan 1,35%. Dalam sistem penggunaan lahan tidak pernah terlepas dari jenis tutupan lahan, tutupan lahan di Kota Tarakan terdapat 10 jenis tutupan meliputi hutan kota, hutan lahan kering, hutan rawa/gambut, kebun campuran, tegalan/ladang, lahan terbuka, semak belukar, kebun raya anggrek, padang rumput dan sawah. Kota Tarakan memiliki potensi bahaya erosi dapat dilihat dari faktor kemiringan lereng dari tahun 2012-2020 terjadi pengikisan luas kemiringan lereng di setiap kelasnya yaitu datar, landai, curam, agak curam dan sangat curam serta terjadinya pengurangan ketinggian dari 124 mdpl tahun 2012 menjadi 107 mdpl ditahun 2020. Dengan adanya tutupan lahan dan potensi bahaya erosi tersebut maka pendekatan pengelolaan lahan di Kota Tarakan harus lebih mengedepankan aspek intensifikasi dan konservasi lahan, agar ekosistem dapat terpelihara secara berkelanjutan.Kata kunci : Penggunaan Lahan, Sistem Informasi Geografis (SIG), Potensi Bahaya Erosi


Author(s):  
Kyunghun Min ◽  
Baysok Jun ◽  
Jaehyuck Lee ◽  
Hong Kim ◽  
Katsunori Furuya

The aim of this study was to better identify the information generated by citizens and to explore the regional social phenomenon whereby higher quality urban services focused on understanding regional issues are promoted. Citizens voluntarily and continuously communicate with local government both online and offline. We wanted to determine how civic information can be applied to urban planning. We selected Shiheung City, Republic of Korea, as our study area, as the city is formed of various types of land use: industrial areas, agricultural land, and residential areas. This area is facing developmental pressure with released development-restricted areas, and has been environmentally damaged by industrial complexes. We conducted a semantic network analysis of the top 10% most commonly used nouns in civil complaints to determine the keywords. Each thematic map we created was based on geographical information to explain the temporary, continuous, and chronic issues. The chronic problems were discussed in relation to the regional development process. The process of identifying and analyzing local issues by analyzing information voluntarily provided by citizens plays an important role in government-led urban management planning and policy formation and can contribute to decision making in the development of future urban policies.


2020 ◽  
Vol 3 (2) ◽  
pp. 18-30
Author(s):  
Raphael Abiodun Olawepo ◽  
Yusuf Alapata Ahmed ◽  
Ayodeji Asaju

The increase in the growth of cities and the numbers of people moving to cities in the last two decades have led to sharp increase in transportation demand and development of slums and urban sprawl. Cities like Lagos, Ibadan, Kano, Port-Harcourt and Ilorin and other areas in Nigeria are experiencing many pressure on land use such as;, free-space, transportation facilities and a host of urban related problems which urgently deserve planners’ attention. Ilorin is one of the fastest growing cities in Nigeria. The problems of transportation and land use in Ilorin can be summarized into the following: long queue of people daily at ‘bus stops’, the problem of old narrow streets in most of the unplanned areas of the city and the emerging incursion of transport infrastructural facilities into the residential areas. To address these and other urban land-use problems world-wide, various governments have put in place different urban renewal programmes, but in the case of Nigeria little impacts on the city transportation and land-use systems had taken place. This research used exploratory method to justify the essence of planning in transportation system and on land-use in order to enhance and maintain sustainable development. The paper also suggests some measures like; expansion of existing narrow roads and provision of necessary infrastructural facilities, inter modality light rail/tram, creation of modern parks at specified locations as well as enlargement of public and private partnerships-involving the Government, transport associations, financial institutions, the available universities and some other professional bodies to serve as panacea to problems highlighted.


2021 ◽  
Vol 328 ◽  
pp. 03004
Author(s):  
Marsujitullah Marsujitullah ◽  
X. Manggau Fransiskus ◽  
Try Adrianto Darsono ◽  
Agustan Latif

This Geographical Information System Mapping and Analysis Study aims to map and analyze the range of potential seed plant returns in several sub-districts in Merauke, which consists of several criteria for structural land use and land use intensity. Building Management, Circulation and Connecting Systems, Open Space and Green Systems, Quality Environmental Management, Environmental Infrastructure and Utilities Systems and Building and Environmental Conservation. This research was made using Simple Additive Weighting (SAW) which allows the search for optimal alternative solutions and the latest technological developments related to a method and presentation of information. The final result of this research is that web-based GIS is expected to be a source of reference / reference that is easily accessed by stakeholders related to agriculture, providing an overview of the various potentials of farming, especially sub-districts that have potential. availability of suitable land, provides an overview of the quantity of agricultural land use that has been utilized, and can be used as a guideline for policy development in the field of superior agriculture at the regional and national levels.


2017 ◽  
Vol 3 (2) ◽  
pp. 65
Author(s):  
Anith Nabilah Mustafa ◽  
Siti Rasidah Md Sakip

Snatch theft incidents are on the rise in Malaysia especially in the cities. It tends to happen in cities because there is a possibility to commit it and both crime and urban are often associated with each other. The aim of this paper is to find out whether the building with two or more levels in urban area contributes to the snatch theft incidents. The present study has been taken up to detect the hotspots of snatch theft in Selangor, Malaysia. The crime data were obtained by requesting and analysing the index crime statistical data from the Royal Malaysian Police (RMP). This study made use of the Geographical Information System (GIS) where its 3D modelling function to construct, assess and analyse the area with high snatch theft cases. The crime reports of 2010 until 2015 were geocoded and the crime maps were prepared in ArcGIS 10.2. It was found that the hotspot area is a mix-used development area which consists mainly of commercial and residential areas of more than two-level buildings. 


2021 ◽  
Vol 10 (1) ◽  
Author(s):  
Daniel T. L. Myers ◽  
Richard R. Rediske ◽  
James N. McNair ◽  
Aaron D. Parker ◽  
E. Wendy Ogilvie

Abstract Background Urban areas are often built along large rivers and surrounded by agricultural land. This may lead to small tributary streams that have agricultural headwaters and urbanized lower reaches. Our study objectives assessed are as follows: (1) landscape, geomorphic, and water quality variables that best explained variation in aquatic communities and their integrity in a stream system following this agricultural-to-urban land use gradient; (2) ways this land use gradient caused aquatic communities to differ from what would be expected for an idealized natural stream or other longitudinal gradients; and (3) whether the impacts of this land use gradient on aquatic communities would grow larger in a downstream direction through the agricultural and urban developments. Our study area was an impaired coldwater stream in Michigan, USA. Results Many factors structured the biological communities along the agricultural-to-urban land use gradient. Instream woody debris had the strongest relationship with EPT (Ephemeroptera, Plecoptera, and Trichoptera) abundance and richness and were most common in the lower, urbanized watershed. Fine streambed substrate had the strongest relationship with Diptera taxa and surface air breather macroinvertebrates and was dominant in agricultural headwaters. Fish community assemblage was influenced largely by stream flow and temperature regimes, while poor fish community integrity in lower urban reaches could be impacted by geomorphology and episodic urban pollution events. Scraping macroinvertebrates were most abundant in deforested, first-order agricultural headwaters, while EPT macroinvertebrate richness was the highest downstream of agricultural areas within the urban zone that had extensive forest buffers. Conclusion Environmental variables and aquatic communities would often not conform with what we would expect from an idealized natural stream. EPT richness improved downstream of agricultural areas. This shows promise for the recovery of aquatic systems using well-planned management in watersheds with this agricultural-to-urban land use pattern. Small patches of forest can be the key to conserving aquatic biodiversity in urbanized landscapes. These findings are valuable to an international audience of researchers and water resource managers who study stream systems following this common agricultural-to-urban land use gradient, the ecological communities of which may not conform with what is generally known about land use impacts to streams.


2021 ◽  
Vol 10 (4) ◽  
pp. 212
Author(s):  
Rana N. Jawarneh

Urban expansion and loss of primarily agricultural land are two of the challenges facing Jordan. Located in the most productive agricultural area of Jordan, Greater Irbid Municipality (GIM) uncontrolled urban growth has posed a grand challenge in both sustaining its prime croplands and developing comprehensive planning strategies. This study investigated the loss of agricultural land for urban growth in GIM from 1972–2050 and denoted the negative consequences of the amalgamation process of 2001 on farmland loss. The aim is to unfold and track historical land use/cover changes and forecast these changes to the future using a modified SLEUTH-3r urban growth model. The accuracy of prediction results was assessed in three different sites between 2015 and 2020. In 43 years the built-up area increased from 29.2 km2 in 1972 to 71 km2 in 2015. By 2050, the built-up urban area would increase to 107 km2. The overall rate of increase, however, showed a decline across the study period, with the periods of 1990–2000 and 2000–2015 having the highest rate of built-up areas expansion at 68.6 and 41.4%, respectively. While the agricultural area increased from 178 km2 in 1972 to 207 km2 in 2000, it decreased to 195 km2 in 2015 and would continue to decrease to 188 km2 by 2050. The district-level analysis shows that from 2000–2015, the majority of districts exhibited an urban increase at twice the rate of 1990–2000. The results of the net change analysis of agriculture show that between 1990 and 2000, 9 districts exhibited a positive gain in agricultural land while the rest of the districts showed a negative loss of agricultural land. From 2000 to 2015, the four districts of Naser, Nozha, Rawdah, and Hashmyah completely lost their agricultural areas for urbanization. By 2050, Idoon and Boshra districts will likely lose more than half of their high-quality agricultural land. This study seeks to utilize a spatially explicit urban growth model to support sustainable planning policies for urban land use through forecasting. The implications from this study confirm the worldwide urbanization impacts on losing the most productive agricultural land in the outskirts and consequences on food production and food security. The study calls for urgent actions to adopt a compact growth policy with no new land added for development as what is available now exceeds what is needed by 2050 to accommodate urban growth in GIM.


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