1. Dr. Ursula Schmedtje ICPDR Secretariat1
Common intercalibration types in the new Eastern Continental Intercalibration Region
Dr. Ursula Schmedtje ICPDR Secretariat

2. Number of sub-river basins per country (in descending order):
A: 6, RO: 5, YU: 5, SK: 4, H: 4, HR: 3, UA: 3, D: 2, CZ: 2, SLO: 2, BG: 2, MD: 2, BIH: 1

3. Countries in the Danube River Basin3
Countries in the Danube River Basin
ICPDR
Germany Croatia Small territories*:
Austria Serbia-Montenegro Switzerland
Czech Republic Bulgaria Italy
Slovak Republic Romania Poland
Hungary Moldova Albania
Slovenia Ukraine Macedonia
Bosnia-Herzegovina
*areas less than 2000 km²
Dr. Ursula Schmedtje

4. ICPDR Drafting Group on Typology and Intercalibration4
ICPDR Drafting Group on Typology and Intercalibration
Participants:
Austria
Slovak Republic
Hungary
Bulgaria
Romania
Croatia
Written comments:
Czech Republic
Slovenia

5. Danube

6. Eastern Continental IC Region 16
Eastern Continental IC Region 1
Is defined by ecoregions:
5 – Dinaric western Balkan (SI, HR, AT)
6 – Hellenic western Balkan (GR)
7 – Eastern Balkan (GR, BG)
10 – Carpathians (CZ, SK, RO)
11 – Hungarian lowlands (AT, CZ, SK, HU, SI, HR, RO)
12 – Pontic Province (RO, BG)

7. Eastern Continental IC Region 27
Eastern Continental IC Region 2
Includes (parts of):
Austria
Czech Republic
Slovak Republic
Hungary
Slovenia
Bulgaria
Romania
Greece
For future purposes: Intercalibration in the Danube river basin
Croatia
Serbia-Montenegro
Bosnia-Herzegovina
Moldova
Ukraine

8. Eastern Continental river types 18
Eastern Continental river types 1
The Eastern Continental common intercalibration river types are characterised by the following descriptors:
ecoregion according to Illies (1978)
catchment area (following System A)
altitude (in defined size classes)
geology (siliceous, calcareous or mixed)
substrate

9. Eastern Continental river types 29
Eastern Continental river types 2
Type
River characterisation
Ecoregion
Catchment area
Altitude
Geology
Substrate
R-E1
Carpathians: small to medium, mid-altitude 10
km² m
siliceous
R-E2
Plains: medium-sized, lowland
11 and 12
km²
< 200 m
R-E3
Plains: large and very large, lowland
>1000 km²
mixed
R-E4
Plains: medium-sized, mid-altitude m
R-E5
Balkans: medium-sized, mid-altitude
5, 6 and 7
calcareous
R-E6
Danube River: middle and downstream
> km²
< 134 m

10. Eastern Continental river types 310
Eastern Continental river types 3
Type
River characterisation AT CZ SK HU SI BG RO GR
(HR)
R-E1
Carpathians: small to medium, mid-altitude -
(X) X
R-E2
Plains: medium-sized, lowland ?
R-E3
Plains: large and very large, lowland
R-E4
Plains: medium-sized, mid-altitude
R-E5
Balkans: medium-sized, mid-altitude
R-E6
Danube River: middle and downstream

11. Eastern Continental lake and reservoir types 111
Eastern Continental lake and reservoir types 1
The Eastern Continental common intercalibration lake and reservoir types are characterised by the following descriptors:
ecoregion according to Illies (1978)
altitude (in defined size classes)
geology (siliceous, calcareous or mixed)
mean depth (in size classes following System A)
lake size (in classes following System A)

12. Eastern Continental lake and reservoir types 212
Eastern Continental lake and reservoir types 2
Type
Lake characterisation
Ecoregion
Altitude
Geology
Mean depth
Lake size
L-E1
Floodplain lakes: medium-sized, very shallow, lowland
11 and 12
< 200 m
mixed
< 3 m
km²
L-E2
Reservoirs: medium-sized, deep, mid-altitude
10 and 12 m
siliceous
>15 m
0.5-1 km²
L-E3
Reservoirs: large and very large, deep, mid-altitude
km²
L-E4
Reservoirs: very large, very shallow, lowland
> 10 km²

13. Eastern Continental lake and reservoir types 313
Eastern Continental lake and reservoir types 3
Type
Lake characterisation AT CZ SK HU SI BG RO GR
(HR)
L-E1
Floodplain lakes: medium-sized, very shallow, lowland - X ?
L-E2
Reservoirs: medium-sized, deep, mid-altitude
L-E3
Reservoirs: large and very large, deep, mid-altitude
L-E4
Reservoirs: very large, very shallow, low­land