Abstract

The Black Sea is the world’s largest inner sea, its only connections with other seas being the Kerch Strait, which leads to the Azov Sea, and the Istanbul Strait, which connects it with the Mediterranean Sea. The main aim of this study processes to image analysis and applied algorithm, to retrieve remote SST data from satellite, to assess the estimated SSTs, to understand the characteristics of SST by presenting in the Black Sea and surrounding seas, to discuss the SSTs changes according to climate change impacts. In this study, Landsat 7 and Landsat 8 Operational Land Imager (OLI)/Thermal Infrared Sensor (TIRS) Level-1 images of TIR bands are used to predict Sea Surface Temperature (SST) changes using the Plank algorithm in the Black Sea and surrounding seas between 2008 and 2018. The SST values were taken from 55 different stations chosen from the study area. The SST result presented the central months of the four hydrological seasons. The increasing temperature data were supported by the literature studies that alien invasive species entered the Black Sea. The climatic fluctuations obtained as a result of this study will increase the invasion level of non-native species and their invasion will continue into the Black Sea and surrounding seas.

Highlights

  • The temperature is a key parameter on the physical, chemical and biological features of the marine environment

  • The Black Sea is the world’s largest inner sea, its only connections with other seas being the Kerch Strait, which leads to the Azov Sea, and the Istanbul Strait, which connects it with the Mediterranean Sea

  • The climatic fluctuations obtained as a result of this study will increase the invasion level of non-native species and their invasion will continue into the Black Sea and surrounding seas

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Summary

Introduction

The temperature is a key parameter on the physical, chemical and biological features of the marine environment. Satellite technologies provide to evaluate information (the brightness values) from a distance that understands changes in the seas for more than 40 years (Bartolucci et al, 1988; Lillesand & Kiefer, 1987; Tarigan & Wouthuyzen, 2017). This makes SST a very valuable indicator for the marine studies. The computation of Sea Surface Temperature (SST) is obtained using thermal infrared data sets since the 1970s This development improved measurements tool and increased the accuracy of the computation (Alavipanah, 2006). The main purposes of this paper are to retrieve remote SST data, to assess the estimation and analyse the trends of the SST, to understand the characteristics of SST by presenting in the Black Sea and surrounding seas, to discuss the SSTs changes according to climate change impacts

Study Area
Remote Sensed SST Data
Results
Discussion
Conclusion
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