........................................................................................ 94
6.1 Tephra fallout impact during an eruption at Hekla, like 1980 ................................... 94
6.2 Tephra fallout impact during an eruption at Katla, like 1918 .................................... 94
6.3 Tephra fallout impact during an eruption at Öræfajökull, like 1362 ......................... 95
6.4 Recommendations and next steps
/media/vedurstofan-utgafa-2020/VI_2020_004.pdf
J A
0 100 200 30020
0
60
0
100
0
Days since Sept. 1st
Q
(m
^3
/s)
Obs
Pred−nearest
Pred−weight
Method 4 T+2: RMSE−nearest= 69.6 RMSE−weight= 44.5
S O N D J F M A M J J A
Figure 7. Observed and predicted daily discharges at vhm 64 for a forecast range (T) of 2 days
and water-year 2004–2005, using methods 1 to 4 with rescaling. The 80%, 90% and 95% pre-
diction intervals are represented by grey
/media/vedurstofan/utgafa/skyrslur/2013/VI_2013_008.pdf