Abstract
The reasons like global warming and climate change cause changes in sea and lake levels in addition to natural and human factors, on the other hand, they induce major changes in coastal region. The spatial and temporal tracing, monitoring and evaluation of these changes taking place in the coastal areas are of great importance in terms of presenting the environmental, economic and social issues that may arise in the future. Changes in sea levels in the coasts of Turkey were examined in this study. The risky areas that would be flooded due to sea level change were identified by using spatial analysis at Geographic Information Systems (CBS). About 3% of Turkey’s coasts consist of low-altitude coastal areas. It can be noticed by looking at the sea level rise scenarios that the coastal cities are under threat. According to the sea level change scenarios in coastal cities in Turkey, the ratio of the area affected by the water level changes in Adana (13844 km²), Izmir (11891km²), Samsun (9725 km²), and Edirne (6145 km²) provinces that have low-elevation terrain and large delta areas seems to be more than other cities. Considering the fact that the high proportion of the population density in Turkey is in coastal areas such as the Mediterranean, the Marmara, the Aegean and Black Sea regions; in the face of a possible sea level rise, it is necessary to determine the factors that will be exposed to physical dangers in the cities and the areas vulnerable to these kinds of dangers by identifying the current situation of the coastal cities. Keywords: Sea Level Rise, Coasts of Turkey, Geographic Information Systems (GIS). DOI: 10.7176/JEES/10-5-04 Publication date: May 31 st 2020
Highlights
One of the most significant environmental issues that the coastal areas encounter is the increase in sea levels as a result of global climate changes and their physical effects
Considering that the magnitude of this effect can be calculated through possible scenarios, the first method that comes to mind will be Geographic Information Systems (GIS) (Erdoğan, 2007; Li et al, 2009)
Analysis Results And Discussion In the study, the risky areas that would be flooded due to sea level change were identified by using spatial analysis at GIS
Summary
One of the most significant environmental issues that the coastal areas encounter is the increase in sea levels as a result of global climate changes and their physical effects. Global warming or climate change is a global issue in terms of its causes and effects This problem was highlighted in the last evaluation report of the Intergovernmental Panel on Climate Change (IPCC). Increases in sea level generate significant physical effects such as soil loss, coastline change, coastal erosion, groundwater level rise and salinity increase in underground water resources. It has a direct effect on the climate due to the ocean-atmosphere relationship. It is estimated that there may be significant increases in meteorological and hydrological induced natural disasters (severe weather events, storms, strong precipitation, floods, etc.) as a result of sea level elevations (Rowley et al, 2007; Legra et al, 2008; Li et al, 2009; Çabuk, 2011; Islam et al, 2013; Geymen and Dirican, 2016)
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