EVALUATION OF THE OPTIMUM INDEX AND MNDWI IN EXAMINING COASTLINE CHANGES IN THE NORTHERN PERSIAN GULF (CASE STUDY: DAYYER)

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RAZMI M.; MOHAMMAD ASGARI H.; DADOLLAHI SOHRAB A.; NAZEMOSADAT S.M.J.; KHAZAEI S.H.

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Journal: Journal of RS and GIS for Natural Resources Year:2017 | Volume:8 | Issue:1 (26) Page(s): 52-65

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Title

EVALUATION OF THE OPTIMUM INDEX AND MNDWI IN EXAMINING COASTLINE CHANGES IN THE NORTHERN PERSIAN GULF (CASE STUDY: DAYYER)

Author(s)

Keywords

OPTIMUM INDEXQ1

MNDWIQ1

CHANGE COASTLINEQ2

DAYYERQ1

Abstract

The aim of this study evaluates the use of satellite images to change detection in coastlines and evaluate the use of OPTIMUM INDEX and the modified normalized difference water index (MNDWI) in examining changes coastline in DAYYER city. As well as for the evaluation of coastline change in the study area, 8 points were taken on April 24th, 2015 along the coastline city of DAYYER with regard to access to the beach, coinciding with the passage of the Landsat satellite, OIF index with a standard deviation and correlation, the correlation between bands is determined. MNDWI index, a combination of green and mid-infrared bands is to determine the boundaries between land and water is suitable. The results show, given that coastal study area and satellite imagery, the highest of OIF for OLI sensor is obtained RGB 156 composition. Also, the algorithm MNDWI is ideal for discriminating between land and water. The average distance from the baseline to the border extracted from the OPTIMUM INDEX is 340 meters and the average distance from the baseline to the border extracted from the MNDWI index is 64.28 m is obtained. The results showed to check coastline changes in DAYYER city, MNDWI index is more accurate than the optimal index.

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APA: Copy

RAZMI, M., MOHAMMAD ASGARI, H., DADOLLAHI SOHRAB, A., NAZEMOSADAT, S.M.J., & KHAZAEI, S.H.. (2017). EVALUATION OF THE OPTIMUM INDEX AND MNDWI IN EXAMINING COASTLINE CHANGES IN THE NORTHERN PERSIAN GULF (CASE STUDY: DAYYER). JOURNAL OF RS AND GIS FOR NATURAL RESOURCES (JOURNAL OF APPLIED RS AND GIS TECHNIQUES IN NATURAL RESOURCE SCIENCE), 8(1 (26)), 52-65. SID. https://sid.ir/paper/189568/en

Vancouver: Copy

RAZMI M., MOHAMMAD ASGARI H., DADOLLAHI SOHRAB A., NAZEMOSADAT S.M.J., KHAZAEI S.H.. EVALUATION OF THE OPTIMUM INDEX AND MNDWI IN EXAMINING COASTLINE CHANGES IN THE NORTHERN PERSIAN GULF (CASE STUDY: DAYYER). JOURNAL OF RS AND GIS FOR NATURAL RESOURCES (JOURNAL OF APPLIED RS AND GIS TECHNIQUES IN NATURAL RESOURCE SCIENCE)[Internet]. 2017;8(1 (26)):52-65. Available from: https://sid.ir/paper/189568/en

IEEE: Copy

M. RAZMI, H. MOHAMMAD ASGARI, A. DADOLLAHI SOHRAB, S.M.J. NAZEMOSADAT, and S.H. KHAZAEI, “EVALUATION OF THE OPTIMUM INDEX AND MNDWI IN EXAMINING COASTLINE CHANGES IN THE NORTHERN PERSIAN GULF (CASE STUDY: DAYYER),” JOURNAL OF RS AND GIS FOR NATURAL RESOURCES (JOURNAL OF APPLIED RS AND GIS TECHNIQUES IN NATURAL RESOURCE SCIENCE), vol. 8, no. 1 (26), pp. 52–65, 2017, [Online]. Available: https://sid.ir/paper/189568/en

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