HYDROMETEOROLOGICAL ANALYSIS TYPICAL FOR DEFINING OF WATER BALANCE OF PRESPA LAKE

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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

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INTRODUCTION
GEOGRAPHY
Border between
Macedonia, Greece, Albania
Catchment area
Ohrid - Prespa
Territory part
West
South
-
West
Water surface
314 km2
OHRID
Catchment area
1368 km2
PRESPA
Mountains around
Baba,
Bigla,
MK
Plakenska,
Galichica
Suva Gora,
Gorbech
GR
AL
South
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STATIONS
HYDROLOGICAL
METEOROLOGICAL
Brajchino
Resen
Stenje
Brajchino
St. Naum
Figure 1.- Ohrid Prespa catchment area
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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 -gt Ohrid Lake
Evaporation from the lake surface
Human utilization
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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
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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
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CONSEQUENCIES
70 cm
Violation of the water level oscillation.
0 847,68 mnm
-398 cm

• Deplete of the lake from
• 1,54109 m3 water.

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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