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Application of GIS for the Development of an Automated Land Information System: a Case Study on Khulna Development Authority

Md. Rezaul Karim*
Urban and Rural Pla nning Discipline, Khulna University, Khulna-9208, Bangladesh.

Md. Sahriar Parvez
Junior GIS Specialist, SWMC, Dhaka, Bangladesh.

Abstract/ Executive Summary:

The study describes a simple technique to formulate an automated land information system using PC based Arc/Info GIS. Thematic information on land use, land ownership, plot height, slope, infrastructure facilities, building structure and building construction setback rules are integrated together using GIS to monitor and regulate physical development of city using KDA as case study. The study also demonstrates the capability of GIS technique to identify the planned and unplanned development activities and delineates the probable waterlogging areas which would help the decision makers to take appropriate measures for development of the city at the right time.

Keywords: GIS; LIS; KDA; Land use; Planning; Development control

Location: Khulna areas

Start Date:

End Date:

Program Area: Resource Development and Management

Non-commodity: GIS

Objectives:

In this study, an attempt is made to develop a simple technique for development of automated land information system for Khulna Development Authority (KDA) through the application of Geographic Information System. The study intends to assess the application of GIS as a methodology for development of an automated land information system for structured data management, improving planning process, retrieving and updating the file management system. The specific objectives are: · Formulation of spatial and attribute land information data base of the study area; · To analyse the data according to rules and regulations exercised by KDA; and · To identify the land uses affected by waterlogging.

Methodology:

A number of thematic maps and other related published maps and reports have been used for the study. The maps available from KCC and KDA are not in the same scale, so the maps were standardized to a fixed scale. Digitization of all the spatial data are performed at a scale of 1”= 66ft. with PC Arc/Info software in association with Suma Grid Micro Graphics digitizer. The digitized data was transformed in the global context by using Bangladesh Transverse Macerator coordinate system (BTM).

Study Area: Khulna Development Authority (KDA) is the only organization for development in Khulna urban area. It was established in 1961 under the Ministry of Works with a view to developing the city. It lies between latitudes 220 46‘N and 220 54‘N and longitudes 880 30‘E and 890 32’E. The main objective of KDA is to monitor and control unauthorized development and to expedite the planned growth of the city. The development control of KDA includes development permission, identification of illegal development and enforcement of law and regulation related to the development control. In addition to this, KDA provides housing plots, industrial plots, civic facilities and other zoning plan for the development of the city. A partial area of ward no. 32 in the City Corporation is selected as a case study for the purpose of this paper.

A plot to plot field survey has been conducted to collect land use type, land ownership, and height of the plot, setback of the building structure and building height. Road and drainage network has also been included in this survey. All the information of the field survey is plotted in the existing mouza map. A total of 136 plots was surveyed to collect details of their information. Data on planned and approved buildings/structures have been collected from the KDA. Unplanned and unauthorized buildings/structures have been identified during field survey. Length, width and floor space of the buildings/structures were measured during field survey and plotted in the mouza map.

Database Management: The data management component of the study includes encoding the data and automation into the computer to store and retrieve data from the database. Two types of data (Spatial and Non-spatial) were entered into the computer for the development of LIS in the study area. The spatial data collected from plot to plot survey were automated through the process of digitization and the non-spatial data associated with the spatial entity were entered from the keyboard into the spatial structured table in a relational database.

Source of Information: Khulna University Studies 1(2): 149-158

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The GIS provides invaluable assistance to the city development authority to maintain planned and controlled development. The Brundtland Report “ Our Common Future”, prepared by the World Commission on Environment and Development for the General Assembly of the United Nations in 1987, outlines a number of approaches, many of which would be greatly assisted by the application of GIS. The report calls for a sustainable development strategy, which ensures human progress for today without bankrupting the resources for the future generation.

The installation of GIS is not a necessary prerequisite for the development of an automated land information system and good planning approaches. GIS can give an opportunity to planners, developers and decision makers to improve their planning methodologies and management systems emphasized on quickly and selectively retrieval of land information data and to draw conclusion and to make decisions on certain aspect of city development. The present study highlights some benefits of using GIS in the development control process with the example drawn through automated land information of KDA. The results obtained from the study were verified in the field and found reasonably satisfactory. However, as the accuracy of the results of these kinds of studies is directly dependent on the quality of input data and updated regular basis, accurate thematic information is mostly desired.

Knowledge Management: Journal