Joint usage of Belozerskaya water feeding system of the Dnipro-Bug Canal

Vladimir Korneev

Central Research Institute for Complex Use of Water Resources (CRICUWR), Minsk, Republic of Belarus

Improved management of shared water resources in the upper Pripyat

basin (ENVSEC 000 62859) The project is looking for a practical solution for cross-border management water flow in the upper Pripyat between Ukraine and Belarus.

The countries have been unable to find a mutually acceptable solution to the existing problems of water allocation on their own, whereas the existing mechanisms of cooperation failed to fully address it as well.

A successful solution will both eliminate a source of potential disagreement over the use of water resources of the Pripyat basin, and strengthen the culture of a cross-border dialogue over similar cases between the involved countries.

The part of water flow from Ukrainian Upper Pripyat is discharging through Vyzhevskiyi floodgate, for water feeding of Dnepro-Bug Canal (DBC), which is situated at the territory of the Republic of Belarus, as a result in low-water seasons Upper Pripyat could have the deficit of water to satisfy good ecological state of natural water body. On the another hand the pass of flood water of Upper Pripyat thought Vyzhevskiyi floodgate for reducing flood areas at the territory of Ukraine, have a negative influence upon technical state of Dnepro-Bug constructions, environment in the Republic of Belarus by way of flooding. Therefore the problem of water regime management of Upper Pripyat is a transboundary problem.

Dniepro-Bug Canal (DBC)

Beloozerskaya water feed system of DBC

Republic of Belarus

Ukraine

Project goalsThe objective of the project is to

support sustainable management of shared water resources in the upper

Pripyat basin. This will be done through developing,

adopting, agreeing Operation Rules Beloozerskaya water-feed system of

the Dniepro-Bug Canal

BY

UA

Lead agency and the project managerUNEP ROE / GRID-ArendalNickolai Denisov

Partner agencies UNDP, OSCE, UNECE

Local partnersBelarus Ministry of Transportation, including the Dnieper-Bug Waterway enterprise (Pinsk)Ukraine’s State Water Committee, including the Volyn Regional DepartmentMinistries of Environment Protection (both countries)Research Institutes: Central Research Institute for Complex Use of Water Resources (CRICUWR, Minsk, Belarus), Institute of Water Economy (Kiev, Ukraine)

Project duration Start: June 2008 End: December 2009

For achievement of the goal, the joint belarussian-ukrainian complex hydrological and hydroecological investigations of Upper Pripyat and Beloozerskaya water feed system of DBC were organized and carried out (in Summer 2008 and in Spring 2009), water-balance calculations and anthropogenic assessment for different hydrological conditions and different operating modes of Vyzhevskiyi floodgate were carried out.

Cross section of the river Pripyat downstream of the BWFS

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distance, m

level,

m B

S

July 2008 г.

water level (July 2008 г.)

March 2009 г.

water level (March 2009 г.)

Flow distribution at the Vyzhevsky floodgate in low water periods.

Current state (before project activity).

BWFS DBCPripyat River

The points of hydraulic and hydrological

estimations during Spring 09 expedition

(high water conditions)

Beloe Lake

Volyanskoe Lake

Svyatoe Lake

Pripyat River

Vyzhevsky Canal

Khabarishensky Canal

Minimum water discharges in River Pripyat upstream of BWFS of BDC (Pochapy village)

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minimum mounthly average during summer-autumn periodminimum dayly average during summer-autumnperiod

Average water discharges in the River Pripyat upstream of BWFS (Pochapy village) for the different periods

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Maximum water discharges in the River Pripyat upstream of BWFS (Pochapy village)

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Curves of probabilities of distribution of the minimum monthly average water discharges in Pripyat River for the summer-autumn period

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probability, P(%)

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empirical curve

analytic curve Curves three-parameter Gamma-distribution

Curve Q=f(h) for river Pripyat downstream of BWFS

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water discharge Q, m3/sec

de

pth

, mCurve V=f(Q) for river Pripyat downstream of BWFS

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The limiting periods of hydrographers of flow of the river Pripyat (Pochapy village) for shallow years

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1994 2003Minimum feasible discharge MFD=1 m**3/secMinimum feasible discharge MFD=1,7 m**3/s

Calibration curve of the river Pripyat downstream of the BWFS

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Calibration curves of the Vyzhevskiyi floodgate Q=f(h) depending on amount of dam beams

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Water discharge thought Vyzhevskiyi floodgate, m3/sec

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Recommendations on flow distribution of the Pripyat River in

Verchnepripjatsky waterworks facility were suggested on the base of the minimum feasible

discharge (MFD) which can provide the environmental

functioning of the river and flow forming discharge.

River Pripyat upstream of BWFS of DBC

River Pripyat downstream of BWFS

On the hydrological feasibilities MFD constituted 1.0 m3/sec, according to the hydraulic feasibilities on the required conditions of the flowage MFD constitutes 1.7 m3/sec, flow forming discharge constitutes 6.0 m3/sec. MFD=1.0 m3/sec and MFD=1.7 m3/sec are represented in the Recommendations.

Graphic presentation of the Recommendations on flow distribution of the Pripyat River in Verchnepripjatsky waterworks facility when the

water discharge is 6 m3/s over the waterworks facility

Digital relief model of BWFS DBC

Flooded zonesof the territory

weredeveloped

the water levels of Beloe Lake

are146,5 - 147,6

m

Beloe Lake

Volyanskoe Lake

Svyatoe Lake

Beloozersky Canal

Vyzhevsky Canal

Khabarishensky Canal

Flooded zonesof the territory

the water levels of Beloe Lake

are146,8 - 147,2 m

∆S=109.35 hectares∆V=4.15 million m3

The recommended range of water levels change in the Lakes of Beloozerskaya water feed system is 0.4 m (from 146.8 – 147.2 m of Beloe Lake). The range is defined on the groundsof projects cameral activities using digital relief model, field hydrological Investigationsand water balance calculations.

Main result of the Project -

Operation Rules of Beloozerskaya water-

feed system of the Dniepro-Bug Canal

Thank you for attentionThank you for attention