Temporal shoreline change and infrastructure influences along the southern Red Sea coast of Saudi Arabia

Jizan is one of the Saudi Arabian coastal cities endowed with diverse natural settings, which includes Ash Shuqayq in the north, Turfah in the centre and Jizan in the South. This work analysed specific environmental characteristics, such as spits, sabkhas and wadis. Assessments used Landsat imagery...

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Bibliographic Details
Published in:Arabian journal of geosciences 2017-08, Vol.10 (16), p.1-21, Article 360
Main Authors: Alharbi, Omar A., Phillips, Michael R., Williams, Allan T., Thomas, Tony, Hakami, Mohammed, Kerbe, Jehad, Niang, Abdoul Jelil, Hermas, ElSayed, Al-Ghamdi, Khalid
Format: Article
Language:English
Subjects:
Accretion
Ashes
Coastal zone management
Coefficient of variation
Coefficients
Deposition
Earth and Environmental Science
Earth science
Earth Sciences
Erosion
Identification
Imagery
Infrastructure
Landsat
Landsat satellites
Original Paper
Outfalls
Regression analysis
Remote sensing
Sabkhas
Satellite imagery
Shoreline changes
Shorelines
Spits
Surveying
Tourism
Trends
Wadis
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Summary:Jizan is one of the Saudi Arabian coastal cities endowed with diverse natural settings, which includes Ash Shuqayq in the north, Turfah in the centre and Jizan in the South. This work analysed specific environmental characteristics, such as spits, sabkhas and wadis. Assessments used Landsat imagery to examine coastal change between 1973 and 2011. The cumulative temporal change identified regression trends given by coefficients of determination that explained a significant percentage of data variation for Jizan ( R 2  = 69%) and Turfah ( R 2  = 72%), while Ash Shuqayq was insignificant ( R 2  = 14%). Inter-survey results predicted future change, although trends were not significant, i.e. Jizan ( R 2  = 22%), Turfah ( R 2  = 14%) and Ash Shuqayq ( R 2  = 3 and 61% with outlying value removed). Aerial photos showed regional coastal changes, which included a maximum accretion of 36.4 m and maximum erosion of 12.9 m. These are scientifically effective techniques to monitor regional coastal change, i.e. erosion and accretion and identified rates of 0.59, 1.80 and 3.53 myr −1 for Ash Shuqayq, Turfah and Jizan. Changes were linked to infrastructure developments, e.g. tourism, port development and natural causes, e.g. spit formations and wadi outfalls.
ISSN:1866-7511
1866-7538
DOI:10.1007/s12517-017-3109-7