A STUDY OF DESERTIFICATION AND MODELING SPATIAL PATTERN OF LAND USE CHANGE AT DEHLORAN DESERT AREA OF ILAM PROVINCE USING LAND SAT IMAGERY

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AREKHI SALEH; FATHIZADE HASSAN

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Title

A STUDY OF DESERTIFICATION AND MODELING SPATIAL PATTERN OF LAND USE CHANGE AT DEHLORAN DESERT AREA OF ILAM PROVINCE USING LAND SAT IMAGERY

Author(s)

AREKHI SALEH | FATHIZADE HASSAN | Issue Writer Certificate

Keywords

IMAGE DIFFERENCINGQ2

PCA DIFFERENCINGQ2

NDVI DIFFERENCINGQ3

CCA DIFFERENCINGQ2

TASSCAP DIFFERENCINGQ2

POST-CLASSIFICATION COMPARISONQ2

Abstract

Timely and accurate change detection of earth surface features is extremely important for understanding relationships and interaction between human and natural phenomena in order to promote better decision making. Remote sensing data are primary sources extensively used for change detection in recent decades. In this study, images of landsat (MSS) 1975 and landsat (ETM+) 2003 were analyzed using six change detection techniques in 215863 hectares in the region of Dehloran, Ilam province. Change detection techniques considered were IMAGE DIFFERENCING, principal components analysis differencing, NDVI DIFFERENCING, canonical components analysis differencing, TASSCAP DIFFERENCING and POST-CLASSIFICATION COMPARISON. In this study, from statistical method for determining the threshold level was used which from the change threshold was achieved. In this study, threshold level was set at±1 standard deviation from the mean. After determining optimal threshold, areas having decreasing change, increasing change and no change was determined. Based on ground data and field visit and Google Earth, accuracy assessment of change detection techniques was carried out using overall accuracy and Kappa coefficient. According to the results, PCA2 differencing with overall accuracy of 85 and Kappa coefficient of 78% showed the highest accuracy among applied change detection techniques and on the contrary, TASSCAP DIFFERENCING with overall accuracy 60 and Kappa coefficient of 53% had lowest accuracy in land use/land cover change in study area.

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APA: Copy

AREKHI, SALEH, & FATHIZADE, HASSAN. (2010). A STUDY OF DESERTIFICATION AND MODELING SPATIAL PATTERN OF LAND USE CHANGE AT DEHLORAN DESERT AREA OF ILAM PROVINCE USING LAND SAT IMAGERY. GEOGRAPHICAL JOURNAL OF CHASHMANDAZ-E-ZAGROS, 2(5), 45-68. SID. https://sid.ir/paper/175755/en

Vancouver: Copy

AREKHI SALEH, FATHIZADE HASSAN. A STUDY OF DESERTIFICATION AND MODELING SPATIAL PATTERN OF LAND USE CHANGE AT DEHLORAN DESERT AREA OF ILAM PROVINCE USING LAND SAT IMAGERY. GEOGRAPHICAL JOURNAL OF CHASHMANDAZ-E-ZAGROS[Internet]. 2010;2(5):45-68. Available from: https://sid.ir/paper/175755/en

IEEE: Copy

SALEH AREKHI, and HASSAN FATHIZADE, “A STUDY OF DESERTIFICATION AND MODELING SPATIAL PATTERN OF LAND USE CHANGE AT DEHLORAN DESERT AREA OF ILAM PROVINCE USING LAND SAT IMAGERY,” GEOGRAPHICAL JOURNAL OF CHASHMANDAZ-E-ZAGROS, vol. 2, no. 5, pp. 45–68, 2010, [Online]. Available: https://sid.ir/paper/175755/en

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