1. Warsaw Agricultural University Department of Hydraulic Engineering and Environmental Recultivation Center Of Excellence In Wetland Hydrology “WETHYDRO” Workshop "MEASUREMENT TECHNIQUES AND DATA ASSESSMENT IN WETLANDS HYDROLOGY" Biebrza Wetlands Goniadz, June 2003

2. Danube Delta National Institute for Research & Development Tulcea, ROMANIA

3. DANUBE RIVER: 2,840 Km length
HYDROGRAPHIC BASIN - 817,000 Km2

4. Black Sea hydrographic basin

6. Main Danube Delta hydrographic network modifications made within 1903 - 1997

7. Ecosystems map The establishmng ecosystems types have been made
using the methodology of CORINE program.

10. Danube Delta Biosphere Reserve hydrographic network8 9
Lacul MERHEI
DUNAREA 2 2 5 20 12 3 7 21 13 22 18
L.BABADAG
Lacul RAZIM 9 17 17 17
Lacul GOLOVI[A
MAREA NEAGR~ 37 18 11
Danube Delta Biosphere Reserve hydrographic network

11. I. HYDRODYNAMICS LAWS

12. II. WATER DISCHARGE: Q (m3/s)

13. III. Water suspended sediment load: R (kg/s)

14. The highest Danube River levels (H) recorded at Tulcea harbour - Danube Delta’s upstream zone. Interval study:

15. Inundation days for the Danube Delta inner zones - Danube River water levels > 290 cm, Q > 10,000 m3/s

16. Hypsometrical model of Danube Delta Biosphere Reserve

19. Project objective

21. Methodology

22. Results

23. Results

24. MONTHLY MULTIANNUAL CHARACTERISTIC VALUES FOR DANUBE RIVER WATER DISCHARGE (Q, m3/s)
Measurement station: Tulcea port Study interval:

25. WATER SALTS DISCHARGE BALANCE (M, kg/s)
MEAN VALUES FOR WATER MINERALIZATION
Study interval:

26. WATER DISCHARGE BALANCE: Q (m3/s)
Mean values within study year intervals

27. WATER DISCHARGE BALANCE - Mean values in interval study Q(m3/s)

28. SEDIMENT LOAD DISCHARGE BALANCE (R, kg/s)
MEAN VALUES
Study interval:

29. Danube Delta Biosphere Reserve Hydrogrometric stations
Hydrographic object: DANUBE River at Isaccea (ISC), Ceatal Izmail (CID)

30. Danube Delta hydrologic regime characteristics

31. Danube Delta hydrologic regime characteristics

32. Danube Delta water solid matter load: R (kg/s)

38. Hydrotechnics works for navigation stream cross-section improvement