i=1
1
L
L
l=1
Qi(D;
Tl) bQi(D;
Tl)
Qi(D;
Tl)
x100; (13)
RMSET (%) =
1
N
N
i=1
v
u
u
t1
L
L
l=1
Qi(D;
Tl) bQi(D;
Tl)
Qi(D;
Tl)
2
x100; (14)
where Qi(D;
Tl) is the reference flood quantile at gauged site i and return period
Tl , calculated
with the GEV distribution from the observed AMF series and bQi(D;
Tl) is the estimated flood
quantile, calculated with the index flood method, (Eq. 1).
15
4
/media/vedurstofan/utgafa/skyrslur/2014/VI_2014_001.pdf