RANKING AND DETERMINING CHANGE-PRONE URBAN LAND-USES BY FUZZY MULTI-CRITERIA DECISION ANALYSIS

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MALEKI J.; HAKIMPOUR F.; MASOUMI Z.

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Journal: JOURNAL OF GEOMATICS SCIENCE AND TECHNOLOGY Year:2018 | Volume:7 | Issue:3 Page(s): 39-55

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Title

RANKING AND DETERMINING CHANGE-PRONE URBAN LAND-USES BY FUZZY MULTI-CRITERIA DECISION ANALYSIS

Author(s)

MALEKI J. | HAKIMPOUR F. | MASOUMI Z. | Issue Writer Certificate

Keywords

URBAN LAND-USE PRIORITIZINGQ1

URBAN LAND-USE PLANNINGQ1

MULTI-CRITERIA DECISION ANALYSISQ2

FUZZY ARITHMETICQ1

FUZZY TOPSISQ2

Abstract

Urban land-use allocation is a complicated problem due to diversity in land-uses, a large number of parcels and different stakeholders with various and conflicting interests. A variety of studies presents many criteria in this regard. Different methods have been proposed for the optimal allocation of urban land-uses. The outputs of these methods are near optimum layouts that offer a suitable land-use for every land unit. However, because of some limitations such as disagreement of stockholders by a specific land-use or the high cost of land-use conversion to a certain land-use, it is not possible for planners to propose desirable land-uses for all parcels and as a result, have to use next priorities of the land-uses. Thus, prioritizing land-uses for parcels along with optimal land-use allocation could be essential in urban land-uses planning. Furthermore, due to the approximate nature of land-use evaluation criteria, using fuzzy calculations can be more compatible with the urban land-uses allocation models. Therefore, in this study, a parcel-level urban land-use prioritization model based on fuzzy calculation is presented. In the proposed model, at first evaluation criteria are estimated by fuzzy calculations for each parcel. Urban land-use evaluation criteria include neighborhood effects (i.e. compatibility, dependency, and proximity), physical suitability, and per capita. Compatibility and dependency factors depend on the different service level of each land-use. Each land-use is defined in three service level of local, district and regional and different radius of effect is considered according to these service levels. Furthermore, suitability criterion is calculated according to the characteristics and physical properties of land units for each land-use as a fuzzy number. Per-capita criterion is calculated as per capita violation in a fuzzy manner and is considered in land-use prioritization. After fuzzy calculations of criteria, the importance of each criterion must be determined. To determine the importance of each criterion in proposed model, the weight of criteria is estimated by subjective and objective weighting approaches. Expert knowledge is used for estimating subjective weights, and Shannon's entropy method applied for determining objective weights. The FUZZY TOPSIS [1] technique is used to prioritize land-uses for each parcel. In FUZZY TOPSIS, after normalization and applying weights to each criterion, positive and negative ideal points are calculated based on the best and worst values of criteria. Finally, with calculating the distance of each land-use as alternatives from worst and best ideal points, land-uses will be ranked for each parcel. This procedure is repeated for all parcels in the study area, and therefore, all land-uses are ranked for all parcels. The proposed model was implemented on spatial data of region 7, district 1 of Tehran. Ranking urban land-uses for parcels in the study area showed that 77.2 percent of current land-uses have the first priority for their own parcels. It came that 22.8 percent of parcels in the study area were not allocated the first priority of land-use, and the land-use of these parcels can be susceptible to change. In the land-uses of the study area, in terms of susceptibility to changes, residential units have the best situation, and industrial units have worst situation. As a future research, based on proposed model, different scenarios can be proposed for optimal allocation of urban land-uses by taking into account stockholders' preferences. For modeling the stakeholders' preferences, approaches such as multi-agent systems and game theory can be used.

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APA: Copy

MALEKI, J., HAKIMPOUR, F., & MASOUMI, Z.. (2018). RANKING AND DETERMINING CHANGE-PRONE URBAN LAND-USES BY FUZZY MULTI-CRITERIA DECISION ANALYSIS. JOURNAL OF GEOMATICS SCIENCE AND TECHNOLOGY, 7(3 ), 39-55. SID. https://sid.ir/paper/249263/en

Vancouver: Copy

MALEKI J., HAKIMPOUR F., MASOUMI Z.. RANKING AND DETERMINING CHANGE-PRONE URBAN LAND-USES BY FUZZY MULTI-CRITERIA DECISION ANALYSIS. JOURNAL OF GEOMATICS SCIENCE AND TECHNOLOGY[Internet]. 2018;7(3 ):39-55. Available from: https://sid.ir/paper/249263/en

IEEE: Copy

J. MALEKI, F. HAKIMPOUR, and Z. MASOUMI, “RANKING AND DETERMINING CHANGE-PRONE URBAN LAND-USES BY FUZZY MULTI-CRITERIA DECISION ANALYSIS,” JOURNAL OF GEOMATICS SCIENCE AND TECHNOLOGY, vol. 7, no. 3 , pp. 39–55, 2018, [Online]. Available: https://sid.ir/paper/249263/en

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