BALWOIS 2004 Ohrid, Macedonia, 25-29 May 2004   CHANGES OF MEANDERING CHANNEL PATTERN AT ALLUVIAL BOUNDARY Levent Yilmaz Hydraulic Division, Civil Engineering Department, Technical University of Istanbul, Maslak, 80626, Istanbul, TURKEY lyilmaz@itu.edu.tr   An analytical model of free-surface flow over an erodible bed is developed and used to investigate the stability of the fluid-bed interface […]

BALWOIS 2004 Ohrid, Macedonia, 25-29 May 2004   THE MOUNTAINS INFLUENCE ON TURKEY CLIMATE Serhat Sensoy Turkish State Meteorological Service P.O.Box:401 – Kalaba – Ankara, TURKEY ssensoy@meteor.gov.tr   Since the Black sea mountains at the north of the country and the Taurus mountains in the south lay parallel to the seashore and rise very sharply […]

BALWOIS 2004 Ohrid, Macedonia, 25-29 May 2004   A METHOD FOR SEPARATION OF BASEFLOW Mesut Çimen, Kemal Saplioglu Suleyman Demirel Univ., Fac. of Engineering-Architecture, Dept., of Civil Engineering, 32260, Isparta, TURKEY mesutcim@mmf.sdu.edu.tr   In modeling of streamflow recessions, there are many difficulties. These are : – rainfalls occurring after from starting of recession, – snow […]

  BALWOIS 2004 Ohrid, Macedonia, 25-29 May 2004 HYDRAULIC GEOMETRY RELATIONS Levent Yilmaz Technical University of Istanbul Civil Engineering Department, Hydraulic Division, 80626, Maslak, Istanbul, TURKEY lyilmaz@itu.edu.tr Hydraulic geometry is an empirical model devised by Leopold and Maddock (1953) to provide a quantitative description of stream behavior either at a particular cross-section or along a […]

  BALWOIS 2004 Ohrid, Macedonia, 25-29 May 2004   STREAMFLOW CHARACTERISTICS OF EUROPEAN PART OF TURKEY   Hafzullah Aksoy, N. Erdem Unal, M. Deniz Itibar, Ahmad M.S. Dahamsheh, Lutfu Kaynar Istanbul Technical University, Department of Civil Engineering, Hydraulics Division 34469 Maslak, Istanbul, TURKEY haksoy@itu.edu.tr The European part of Turkey, the Thrace region was selected as […]

  BALWOIS 2004 Ohrid, Macedonia, 25-29 May 2004   ARTIFICIAL NEURAL NETWORKS FOR LAKE LEVEL MODELLING   Özgür Kíşí1, Taner Cengiz2, Fatih Üneş2 1Erciyes University, Engineering Faculty, Civil Eng. Dept., 38039, Kayseri, TURKEY   2Istanbul Technical University, Civil Eng. Faculty, Civil Eng. Dept., 34469, Istanbul, TURKEY kisi@erciyes.edu.tr Lake level modelling is important for planning, design, […]

  BALWOIS 2004 Ohrid, Macedonia, 25-29 May 2004   PREDICTING DIMENSIONLESS LONGITUDINAL DISPERSION COEFFICIENT IN NATURAL STREAMS BY FUZZY-LOGIC APPROACH   Z. Fuat Toprak Istanbul Technical University, Department of Civil Engineering, Hydraulics Division 34469 Maslak, Istanbul, TURKEY toprakzey@itu.edu.tr In order to investigate dispersion process, researchers have used differential equations, which can be written under certain […]

  BALWOIS 2004 Ohrid, Macedonia, 25-29 May 2004   A SURVEY OF RISK PERCEPTION OF DRINKING WATER AND BOTTLED WATER USE   Gurdal Kanat, Mehmet Emin Birpinar Yildiz Technical University, Environmental Engineering Department, 34349 Besiktas, Istanbul, TURKEY kanat@yildiz.edu.tr Public concerns about quality of drinking water have arisen as a result of increased awareness about environmental […]

  BALWOIS 2004 Ohrid, Macedonia, 25-29 May 2004   WATER RESOURCE MANAGEMENT IN ISTANBUL   Gurdal Kanat1, Mehmet Emin Birpinar1, Ahmet Demir2 1Yildiz Technical University, Istanbul, TURKEY   2Yildiz Technical University, Environmental Engineering Department, 34349 Besiktas, Istanbul, TURKEY kanat@yildiz.edu.tr In recent years, mainly due to densely urbanization and migration to the cities, the cost of […]

  BALWOIS 2004 Ohrid, Macedonia, 25-29 May 2004   WATERSHED REGULATION AND MANAGEMENT OF METROPOLITAN CITY OF ISTANBUL   Ahmet Demir, Mehmet Emin Birpinar, Gürdal Kanat Yýldýz Technical University, Istanbul, TURKEY kanat@yildiz.edu.tr Istanbul is one of the world’s most important cities in terms of history, culture, trade and tourism. Annual population increase is approximately 400.000. […]