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HYDROSOLIDARITY IN PRUT RIVER BASIN – KEY ELEMENT IN TRANSBOUNDARY FLOOD MANAGEMENT -

HYDROSOLIDARITY IN PRUT RIVER BASIN – KEY ELEMENT IN TRANSBOUNDARY FLOOD MANAGEMENT -. CEE NBO & N.A. Apele Romane Ovidiu GABOR, Deputy Director, Vice-President of CEE NBO. To accomplish the WFD + FD objectives at transboundary river basins level. Harmonizing the National Plans

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HYDROSOLIDARITY IN PRUT RIVER BASIN – KEY ELEMENT IN TRANSBOUNDARY FLOOD MANAGEMENT -

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  1. HYDROSOLIDARITY IN PRUT RIVER BASIN – KEY ELEMENT IN TRANSBOUNDARY FLOOD MANAGEMENT - CEE NBO & N.A. Apele Romane Ovidiu GABOR, Deputy Director, Vice-President of CEE NBO

  2. To accomplish the WFD + FD objectives at transboundary river basins level Harmonizing the National Plans HARMONISED BILATERAL AGREEMENTS ( RO + UA; RO + MD)

  3. BILATERAL AGREEMENTS Romania – Ukraine: • Agreement on the cooperation in the transboundary waters field (Galati, 1997) • Flood management • Water quality • Exchange data Romania – Moldova : • Bilateral agreement to operate Stanca Costesti Dam - 1982 • MoU for the cooperation on the Prut river between N.A. “Apele Romane” / “Romanian Waters” and the related institution from Moldova “Moldavien Waters” – 1995

  4. - RB Prut surface – 10.990 km2 • Prut river length – 742 km • Qmax 1% = 4150 m3/s • Q max 0.1% = 6550 m3/s RIVER PRUT BASIN GENERAL DATA STANCA – COSTESTI DAM V = 1,3 bil cm; H = 40 m Multipurposereservoir : Flood control, Water supply for population & irrigation, Hydropower, Fishing

  5. Historical flood event on Prut river24/07 – 31/07/2008 … the greatest flood event registrated on Prut river till present : • Flow: Qmax = 4650 m3/s > Q1% • Shape of hydrograph : two peaks • H1max = 1130 cm, exceeding the danger level with 5.30 m • H2max = 1058 cm, exceeding the danger level with 4.58 m • Volume: 1.400 bil cm • Time: 8 days • Speed: water level in the reservoir increased with 8.64 m in 3 1/2 days (max. increasing being of 2.66 m / day- normally 1m / day).

  6. FLOOD SCENARIOS FLOOD SCENARIO “B” Qout = 1000 CM/S POTENTIALLY AFECTEDPeople + Goods : - People = 8500 - Houses = 2530 - Roads = 180 km - Agr. Land = 17200 ha FLOOD SCENARIO “A” Qout = 750 CM/S POTENTIALLY AFECTED People + Goods : - People = 2800 - Houses = 721 - Roads = 60 km - Agr. Land = 8400 ha FLOOD SCENARIO JOINTLY ADOPTED Qin > Q1%; Qout = 750 m3/s PROTECTED People + Assets: - People = 15000 - Houses = 4575 - Roads = 260 km - Agr. land = 35841 ha FLOOD SCENARIO “C” Qout = 1250 CM/S POTENTIALLY AFECTED People + Goods : - People = 15000 - Houses = 4575 - Roads = 260 km - Agr. Land = 35841 ha

  7. CONCLUSIONS • Downstream reservoir – no fatalities and not affected properties ; • The reservoir has been jointly operated by ROMANIA and MOLDOVA, according to the new operating guide regulation (2007) ; • Technical decisions have been permanently harmonized by the involving parts ; • Political decisions have been taken based on technical decisions; • Permanent information of the population, on both sides of the Prut river ; • Necessity of a new trilateral cooperation agreement (Ukraine, Rep. Moldova, Romania).

  8. FLOOD HYDROGRAPH 24.07.-10.08.2008 SH RADAUTI PRUT KEY EXTRAPOLATED Qmax = 7120 MC/S SH RADAUTI PRUT KEY RECALCULATED Qmax = 4650 MC/S SH STANCA AVAL Qmax= 840 MC/S

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