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HYDROMETEOROLOGICAL ANALYSIS TYPICAL FOR DEFINING OF WATER BALANCE OF PRESPA LAKE

HYDROMETEOROLOGICAL ANALYSIS TYPICAL FOR DEFINING OF WATER BALANCE OF PRESPA LAKE. BALWOIS, OHRID 2004, Macedonia TASE STOJOV B.Sc.Civ.Eng., VASKO STOJOV B.Sc.Civ.Eng., LIDIJA TRAJANOSKA B.Sc.Met.Eng. Republic of Macedonia. INTRODUCTION:. GEOGRAPHY:. Border between:.

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HYDROMETEOROLOGICAL ANALYSIS TYPICAL FOR DEFINING OF WATER BALANCE OF PRESPA LAKE

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  1. HYDROMETEOROLOGICAL ANALYSIS TYPICAL FOR DEFINING OF WATER BALANCEOF PRESPA LAKE BALWOIS, OHRID 2004, Macedonia TASE STOJOV B.Sc.Civ.Eng., VASKO STOJOV B.Sc.Civ.Eng., LIDIJA TRAJANOSKA B.Sc.Met.Eng. Republic of Macedonia

  2. INTRODUCTION: GEOGRAPHY: Border between: Macedonia, Greece, Albania Catchment area: Ohrid - Prespa West South - Territory part: West Water surface: 314 km2 OHRID Catchment area: 1368 km2 PRESPA Mountains around: Baba, Bigla, MK Plakenska, Galichica Suva Gora, Gorbech GR AL South

  3. STATIONS HYDROLOGICAL METEOROLOGICAL Brajchino Resen Stenje Brajchino St. Naum Figure 1.- Ohrid – Prespa catchment area

  4. Surface and the ground water inflow. Precipitation into the catchment, Direct precipitation into the lake, DEPENDS ON: WATER INFLOW IN PRESPA LAKE WATER LOSS: Underground discharge -> Ohrid Lake Evaporation from the lake surface Human utilization

  5. Yo + Xo – Zo – Yo1 – Eo = 0 (1961/62 – 2002/03) Water inflow = 9,24 m3/s - Underground water outflow = 7,86m3/s - Human utilization = 1,38 m3/s = Water balance = 0 m3/s

  6. Yo + Xo – Zo – Yo1 – Eo = 0 (1987/88 – 2002/03) Water inflow = 6,53 m3/s - Underground water outflow = 7,86m3/s - Human utilization = 2,00 m3/s =-3,3m3/s Water balance ≠ 0 m3/s

  7. CONSEQUENCIES: 70 cm Violation of the water level oscillation. Deplete of the lake from 1,54*109 m3 water. 0” = 847,68 mnm -398 cm &

  8. CONCLUSION Prespa Outflow in Ohrid Lake CONSTANT PROBLEM? Dry years & Human utilization: 1961/62 – 2002/03 Q = 1,38 m3/s 1987/88 – 2002/03 Q = 2,00 m3/s

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