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The change detection in coastal settlements using image processing techniques: a case study of Korfez.

Gulenay Sahin1, Saye Nihan Cabuk2, Mehmet Cetin3

  • 1General Directorate of Geographical Information Systems, Ministry of Urbanization and Environment, Ankara, Turkey.

Environmental Science and Pollution Research International
|October 10, 2021
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Summary

Land use in Körfez province significantly changed between 2009 and 2015. Agricultural and sea areas decreased, while forest, settlement, and lake areas expanded, impacting coastal planning.

Keywords:
Coastal change detectionGeographic information systemsRemote sensing

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Area of Science:

  • Environmental Science
  • Geography
  • Urban Planning

Background:

  • Coastal areas globally face significant environmental and socio-economic challenges due to rapid transformation.
  • Körfez province, Turkey, has experienced intensive industrialization and urbanization since the 1960s, altering its coastal landscape.

Purpose of the Study:

  • To analyze spatio-temporal land use changes in Körfez province over a six-year period.
  • To provide critical data for effective physical planning and coastal area protection.

Main Methods:

  • Utilized SPOT imagery from 2009 and 2015 for temporal change detection analysis.
  • Employed supervised classification with CORINE data, development plans, and land survey results.
  • Ensured accuracy through 480 control points per year, validated by the Kappa coefficient.

Main Results:

  • Observed a 22.5% decrease in agricultural land and a 2.3% decrease in sea areas.
  • Documented a 16.6% increase in forest-green areas, 6.4% in settlement areas, and a substantial 74.1% increase in lake areas.
  • Highlighted significant shifts in land cover indicative of developmental pressures.

Conclusions:

  • The identified land use changes are crucial for informing coastal and physical development planning in Körfez province.
  • Findings support the need for sustainable land use decisions to preserve coastal characteristics and manage environmental risks.