Geography Reference
In-Depth Information
Figure 9.29. Normalised error (NE) of
predicting the 100-year flood in
ungauged basins as a function of aridity
(E
PA
/P
A
), mean annual air temperature
(T
A
), mean elevation and catchment
area for different parameter
regionalisation methods. Lines connect
median errors for the same studies.
Boxes are 40%
Regression
Geostatistics
Index method
1.0
0.0
60% quantiles,
whiskers are 20%
-
80% quantiles.
After Salinas et al.(
2013
).
-
−
1.0
0.4 0.6 0.8 1.0 2.0
0.4 0.6 0.8 1.0 2.0
0.4 0.6 0.8 1.0 2.0
E
PA
/
P
A
(-)
E
PA
/
P
A
(-)
E
PA
/
P
A
(-)
1.0
0.0
−
1.0
368 0 2
3
6
8
10
12
3
6
8
10
12
T
A
(
C)
T
A
(
C)
T
A
(
C)
1.0
0.0
−
1.0
3
6
9
12
15
3
6
9
12
15
3
6
9
12
15
Elevation (10
2
m a.s.l.)
Elevation (10
2
m a.s.l.)
Elevation (10
2
m a.s.l.)
1.0
0.0
−
1.0
0.05 0.1 0.5
1
5
0.05 0.1 0.5
1
5
0.05 0.1 0.5
1
5
Area (10
3
km
2
)
Area (10
3
km
2
)
Area (10
3
km
2
)
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