Sea Technology

MAR 2018

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www.sea-technology.com March 2018 | ST 21 11.78, 11.98, 6.80 and 4.09 sq. km, respectively, and based on the findings of this study, the total area of coast has decreased by approxi- mately 7.69 sq. km between 1986 and 2015. Comparing the four ana- lyzed sets of images, it can be easily observed that coast and vegetation areas in 2001 were much larger than in 2015, a reduction due to sand mining and the destruction of vegetation during construction ac- tivities. Conclusion Coastal areas are crucial, but also fragile natural resources around the world. With the advent of re- mote-sensing techniques and im- proving satellite data specifications, the process to determine changes to coastal areas is more reliable and efficient. It is clearly apparent that remote-sensing applications are a convenient way to reduce labor costs and time when undertaking coastal assessments, which in some cases are difficult or impossible to measure on the ground. In addi- tion, satellite images are relatively cheap or may be freely available, and in scientific and commercial case studies these images have been frequently used in deformation analysis. This study indicates how remote-sensing technology can be utilized in determining coastal zone land use/land cover activities in a selected region over a specified pe- riod of time. The study has demonstrated how Turkey's coastal areas are constantly changing due to natural or artificial effects (human activities). Different types of data, such as satellite imag- es, orthophotos, environmental data and global positioning system data, can aid in the establishment of ap- propriate coastal zone management policies in order to protect coasts and shorelines effectively. Interdis- ciplinary studies play an important role in understanding the dynamics of deformation on the seafloor and coastal areas. Lack of coordination between government agencies (at the local, regional and national levels) and conflicting (or lacking) regulations cause problems in conservation and determining and implementing ap- propriate use of coastal areas. There is a need for integrated coastal man- agement for the sustainable use of these areas. The infrastructure that will enable data and findings ob- tained from scientific studies to be gathered and updated in one system must be established for all coast- lines in Turkey. The establishment of an integrated coastal management infrastructure that can be governed digitally should be considered as a very important task at the national level. As a first step, a multihazard assessment must be done with all these data, and the identification of hazard management stages for each coastline (such as Kilyos in this study) must be taken as the second step. Access to coastal information will bridge the gap between scien- tists, policy makers and the general public in order to enable effective decision making from all stakehold- ers for coastal management. ST Asli Sabuncu received a master's degree in ge- odesy from Bogazici University, Istanbul, Tur- key, in 2010. She is currently a Ph.D. candidate in the Department of Geomatics Engineering at Istanbul Technical University. Her research in- terests are remote sensing and its applications, GPS, precise-leveling applications and crustal deformations. Dr. Asli Dogru received her B.S. degree (1999) and M.S. (2002) in geodesy and photogramme- try engineering and Ph.D. (2008) in geomatic engineering from Istanbul Technical University. During her Ph.D. thesis, the NSF-funded GEON project (Cyberinfrastructure for the Geoscienc- es) financially supported her. She is currently an associate professor at the Geodesy Depart- ment of Kandilli Observatory and Earthquake Research Institute (KOERI), Bogazici University, Istanbul. She is a member of the Turkish Cham- ber of Surveying Engineers and the American Geophysical Society. Dr. Haluk Ozener graduated in 1988 from Istanbul Technical University having studied geodesy and photogrammetry engineering, and he completed his M.S. (1992) and Ph.D. (2000) in geodesy at Bogazici University. He is now the director of KOERI and has been head of the Geodesy Department at Bogazici Univer- sity since 2010. www.rtsys.eu 25 rue Michel Marion 56850 Caudan - France +33 (0)297 898 580 - info@rtsys.eu UNDERWATER LISTENING SYSTEMS New Noise Processing Features Versatile Acoustic Recorders Real-Time Listening Remote Buoys International Standard and Guideline Compliant (ANSI, MSFD...) NEW BLOG! seatechnologymagazine.com S EA T ECHNOLOGY

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