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EVAPORATION ESTIMATION AT OYMAPINAR DAM ANTALYA,TURKEY

Balwois-2010 25-29 May 2010, Ohrid, Republic of Macedonia. EVAPORATION ESTIMATION AT OYMAPINAR DAM ANTALYA,TURKEY. Kevser ŞENTÜRK , Funda ORUÇ KOÇYİĞİT kevsers@dsi.gov.tr fundaok@dsi.gov.tr

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EVAPORATION ESTIMATION AT OYMAPINAR DAM ANTALYA,TURKEY

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  1. Balwois-2010 25-29 May 2010, Ohrid, Republic of Macedonia EVAPORATION ESTIMATION AT OYMAPINAR DAM ANTALYA,TURKEY Kevser ŞENTÜRK , Funda ORUÇ KOÇYİĞİT kevsers@dsi.gov.trfundaok@dsi.gov.tr General Directorate of State Hydraulic Works, Investigation and Planning Department

  2. Objectives  Impact of climate change on water resources • Main challenges: water scarcity, irregular distrubition, quantitive and qualitative problems • Evaporation losses from reservoir • Water management and policy isssues Şentürk, Koçyiğit Balwois-2010 2/10

  3. Study Area Rİver Basins of Turkey BASIC BASIN DATA Drainage Area : 821 km2 Annual mean flow : : 3816 mil. m3 Annual average rainfall : 1377 mm Total annual evaporation : 1818,47 mm Annual avarege temparature : 18,5 0C Oymapınar Dam Manavgat River Basin Şentürk, Koçyiğit Balwois-2010 3/10

  4. Data Drainage area and Location of Manavgat Meteorology station Meteorological Parameters OymapınarDam Şentürk, Koçyiğit Balwois-2010 4/10

  5. Methodology • Multivariate linear regression analysis, SPSS (Statistical Package for the Social Sciences)13.0 program • More than two variables general multiple regression; x1=f(x2, x3,… xm)+e ,(Yevjevich,1997) • m variables, one dependent and m-1 independent; x1=b1+b2x2+…. +bixi+….bmxm ,(Yevjevich,1997) • Kolmogorov-Smirnov tests • Variables ; temperature, wind speed, relative humidty, total radiation, evaporation. Şentürk, Koçyiğit Balwois-2010 5/10

  6. Results and Discussion Model summary Coefficient Şentürk, Koçyiğit Balwois-2010 6/10

  7. Temperature Relative Humidity Wind Speed Total Radiation Results and Discussion Evaporation, wind speed, relative humidity, and total radiation scattering diagrams Evaporation Evaporation Evaporation Evaporation Regression equation of evaporation change from Oymapınar Dam; Evaporation (E) = -80,872 + 7,82T + 23,363W + 0,146R – 0,78H Şentürk, Koçyiğit Balwois-2010 7/10

  8. Results and Discussion Şentürk, Koçyiğit Balwois-2010 8/10

  9. Conclusion • The amount of the evaporation has great importance in terms of drinking, irrigation, and domestic water supply from reservoir of dam lake • Evaporation losses are expected to increase in the 2010-2028 period • Strategies are needed to be developed for adaptation of climate change • At the national level, integrated assessment of climate change are expected to impacts the National Water Plans. Şentürk, Koçyiğit Balwois-2010 9/10

  10. THANK YOU FOR YOUR KIND INTEREST

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