A-263 : Analysis of Dry Periods of Coruh River Basin   Prof. Dr. B. Önöz Civil Eng. S. Öztürk Istanbul Technical University Civil Eng. Fac. Hydraulic Department; Turkey onoz@itu.edu.tr   Abstract  The concepts of global warming and climate change are among the topics of the current agenda. In different regions of the world flood and […]

Ibrahim Gurer 1 , Nurettin Pelen 2 , Ziyaettin Durmaz 3 , Hamza Özgüler 4 (1) Gazi University , Faculty of Engineering and Architecture, Department of Civil Eng.Prof.Dr. 06570 Maltepe, Ankara, Turkey. tel: +90 312 2317400/2246, fax: +90 312 2308434 gurer@.gazi.edu.tr (2) Turkish State Hydraulics Works, Department of Geotechnical Services and Ground Water, Deputy Director, […]

A-269 : Synthetic data-based meteorological drought modeling   Hafzullah Aksoy & N. Erdem Ünal Istanbul Technical University, Department of Civil Engineering, Hydraulics Division 34469 Maslak, Istanbul, Turkey. Phone: +90 212 2856577, Fax: +90 212 2856587   haksoy@itu.edu.tr       Abstract   Being a global phenomenon the drought is defined as the dry period when […]

A-116 : Seasonal rainfall Intensity and Frequency in Turkey   Dr. Ýhsan Çiçek 1 , Dr. Necla Türkođlu 2, Abdullah Ceylan 3, Neţe Korkmaz 4       Abstract     There are great seasonal differences in total rainfall among the regions in Turkey . The North-South directed polar front oscillation and topographic features of the […]

A-117 : Effects of North Atlantic Oscillation on p^recipitation and stream flow at Buyuk Menderes Basin   Dr. Necla Türkođlu[1], Dr. Gürcan Gürgen[2], Dr.  Ýhsan Çiçek[3], Abdullah Ceylan[4]             Abstract     In this study, relations between the North Atlantic Oscillation (NAO) and precipitation and stream flow in Büyük Menderes Basin, […]

A-119 : Producing climate indices and climate change monitoring in the Middle East   Serhat Sensoy Turkish State Meteorological Service P.O.Box: 401, Kalaba, Ankara , Turkey         Abstract   Climate change is brought about by the complicated interactions among the atmosphere, the oceans, the cryosphere, the surface lithosphere and the biosphere, which […]

A-091   Turkish Emergency Flood and Eartquake Recovery Project (TEFER)   A. Tolga Tastekin Turkish State Meteorological Service P.O.Box: 401 – Kalaba – Ankara – Turkey   Type of presentation: Paper   Key-words: Flood, early warning , Tefer   Abstract in PDF      Abstract:   Natural disasters induced by severe weather accompanied by micro-climatological and […]

A-078 : The Causes of Floods in the Western Blacksea Region, Turkey   Yaşar Korkanç Selma 1   ZKU, Bartýn Orman Fakültesi, Havza Amenajmaný ABD., 74100/Bartýn/TURKEY Tel: +90 378 227 74 22 Fax. +90 378 227 74 21 Email: yasarselma@yahoo.com       Abstract   In Turkey, floods are one of the most common natural […]

A-065   Comparison of bed load formulae in  hydraulic geometry using similarity principle     L. YILMAZ   Technical University of Istanbul, Civil Engineering Department, Hydraulics Division, 80626, Maslak, Istanbul, Turkey   lyilmaz@itu.edu.tr   ABSTRACT:   Employing the similarity principle, this paper derives the bed load formulae. The formulae include relations for stream width, meander […]

 Ibrahim Gürer Gazi University, Faculty of Engineering and Architecture, Department of Civil Engineering 06570 Maltepe, Ankara, Turkey tel: +90 312 2317400/2246, fax: +90 312 2308434 e-mail: gurer@.gazi.edu.tr  web page:  http://w3.gazi.edu.tr/web/gurer Abstract: Turkey is a country located between Europe and Asia and has a surface area of 779 452 km2 and a population of about 73 […]