Morphometric Assessment, Modeling and Waterway Extract from DEM using Sub-pixel Attraction Model

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Mokarram M.; Zarei A. R.; Amiri M. J.

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Paper Information

Journal: Journal of Water and Soil Science Year:2018 | Volume:22 | Issue:3 Page(s): 81-94

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Title

Morphometric Assessment, Modeling and Waterway Extract from DEM using Sub-pixel Attraction Model

Author(s)

Mokarram M. | Zarei A. R. | Amiri M. J. | Issue Writer Certificate

Keywords

Waterway morphometricQ1

Waterway modelingQ1

GISQ2

Attraction algorithmQ1

Sub-pixelQ1

DEMQ1

Abstract

The aim of this study was to evaluate the effect of increasing DEM spatial resolution on the assessment of the morphometric characteristics of waterways, as well as analysis and modeling of it by using RS and GIS techniques. In this study, which was carried out in the south of Darab city DEM 90 m (as one of the most usable data in Waterway modeling), increase spatial resolution of DEM Attraction algorithm in neighboring pixels with two models including: touching and quadrant neighboring models to estimate the value of Sub-pixels. After manufacturing output images for sub pixels in 2, 3 and 4 scales with different neighborhoods, the best scale with the most appropriate type of neighborhood was determined using ground control points (270 points); then, the values of RMSE were calculated for them. The results showed that with using the Attraction model, the accuracy of the output of images was improved and the spatial resolution of them was increased. Among scales with different neighborhoods, 3 scales and quadrant neighboring model exhibited the most accuracy by the lowest value of RMSE for the DEM 90 meter. Evaluation of waterways morphometric features showed that DEM extracted from Attraction algorithm had more ability and accuracy in waterways extraction, Extraction of morphometric complications, and information in the study area.

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APA: Copy

Mokarram, M., Zarei, A. R., & Amiri, M. J.. (2018). Morphometric Assessment, Modeling and Waterway Extract from DEM using Sub-pixel Attraction Model. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 22(3 ), 81-94. SID. https://sid.ir/paper/366906/en

Vancouver: Copy

Mokarram M., Zarei A. R., Amiri M. J.. Morphometric Assessment, Modeling and Waterway Extract from DEM using Sub-pixel Attraction Model. WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2018;22(3 ):81-94. Available from: https://sid.ir/paper/366906/en

IEEE: Copy

M. Mokarram, A. R. Zarei, and M. J. Amiri, “Morphometric Assessment, Modeling and Waterway Extract from DEM using Sub-pixel Attraction Model,” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 22, no. 3 , pp. 81–94, 2018, [Online]. Available: https://sid.ir/paper/366906/en

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