Monitoring long term shoreline changes along Caspian Sea, Azerbaijan using geospatial techniques

Abstract

Since the Caspian Sea has no access to the ocean, its level changes cover a wide range. Thus,
the change of the level affects the coastal zone and leads to a change in its geomorphological
structure. In the study, the displacement dynamics of the coastline of Azerbaijan for the years
2005 and 2021 were determined using the Sentinel 2A and Landsat 7 satellite images and
remote sensing data. Tasseled Cap Transformation (TCT) and different Normalized Difference
Water Index, Normalized Difference Vegetation Index have been used to demarcate the
shorelines. According to the established coastline, the increasing and decreasing land areas
were calculated.The main objectives of the study are to demarcate the shorelines of 2005 and
2021 from the different sensor satellite images, to identify the quantitative and qualitative
shoreline changes for above mentioned periods.