16 Flood Forecasting and Control
371
9 River Gauge
(a) System Sketch, Danube River with Tributaries, Reservoirs and Cities to be
Protected
Discharge
Q(rTT'ls)
75
I
I
I
' I I
nl
I ,
I
I
I I I I 1 I I I ! I
b) Danube Flood of Febr. 1970
I
Flood in Danube River
\ I\ r
(without reservoirs)
(sum of Breg and Brigach Runoff)
I I
II1 1III III III
1 \
~l\1 \
I I
\
I-- Brigach River
I
"'-'I L~
~
I I I I
I I
I
~~v ~ v Breg River
\
I
I !
r
I ~~
I Ti~ V
- ~J I
I
Y7i
~~
~ ~
r ~
_, I
I
~ ..... ...
I
, - I I I I I ,
150
125
100
50
25
114=
I , I
( l i
e
ri7
b
,' ,ril T rtH- J I II
UJ
[;)1 ' 1
I
I
-,
212170 312170
4/2170 5/2170
6/2170 7/2170
812170 9/2170
o
Fig. 16.8. System of two parallel reservoirs (Danube river) and historical flood (Feb. 1970)