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Title:
Astronomical site selection for Turkey using GIS techniques
Authors:
Aksaker, N.; Yerli, S. K.; Erdogan, M. A.; Erdi, E.; Kaba, K.; Ak, T.; Aslan, Z.; Bakis, V.; Demircan, O.; Evren, S.; Keskin, V.; Küçük, I.; Özdemir, T.; Özisik, T.; Selam, S. O.
Affiliation:
AA(Vocational School of Technical Sciences, Çukurova University; Research and Application of Space Sciences and Solar Energy Center (UZAYMER), University of Çukurova), AB(Department of Physics, Orta Dogu Teknik Üniversitesi), AC(Vocational School of Technical Sciences, Çukurova University), AD(Remote Sensing Division, Turkish State Meteorological Service), AE(Department of Physics, Çukurova University), AF(Faculty of Science, Department of Astronomy and Space Sciences, Istanbul University), AG(), AH(Science Faculty, Space Sciences and Technologies Department, Akdeniz University), AI(Science and Letter Faculty, Space Sciences and Technologies Department, Çanakkale Onsekiz Mart University), AJ(Science Faculty, Astronomy and Space Sciences Department, Ege University), AK(Science Faculty, Astronomy and Space Sciences Department, Ege University), AL(Faculty of Science, Department of Astronomy and Space Sciences, Erciyes University), AM(Science and Letter Faculty, Physics Department, Inönü University), AN(TÜBITAK National Observatory), AO(Faculty of Science, Department of Astronomy and Space Sciences, Ankara University)
Publication:
Experimental Astronomy, Volume 39, Issue 3, pp.547-566 (ExA Homepage)
Publication Date:
10/2015
Origin:
SPRINGER
Keywords:
Site selection: Turkey, Observatories, Telescopes, GIS, Multi-criteria decision analysis, Methods: Data analysis
Abstract Copyright:
(c) 2015: Springer Science+Business Media Dordrecht
DOI:
10.1007/s10686-015-9458-x
Bibliographic Code:
2015ExA....39..547A

Abstract

A site selection of potential observatory locations in Turkey have been carried out by using Multi-Criteria Decision Analysis (MCDA) coupled with Geographical Information Systems (GIS) and satellite imagery which in turn reduced cost and time and increased the accuracy of the final outcome. The layers of cloud cover, digital elevation model, artificial lights, precipitable water vapor, aerosol optical thickness and wind speed were studied in the GIS system. In conclusion of MCDA, the most suitable regions were found to be located in a strip crossing from southwest to northeast including also a diverted region in southeast of Turkey. These regions are thus our prime candidate locations for future on-site testing. In addition to this major outcome, this study has also been applied to locations of major observatories sites. Since no goal is set for the best, the results of this study is limited with a list of positions. Therefore, the list has to be further confirmed with on-site tests. A national funding has been awarded to produce a prototype of an on-site test unit (to measure both astronomical and meteorological parameters) which might be used in this list of locations.
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