Table 5.

The scoring of indicators related to the protection (Prot).

Indicator	1	2	3	4	5
Surrounding vegetation (SUR_V)	In forest	High bushes/dense vegetation	Single trees	Low vegetation	No vegetation
Building row towards the torrent (ROW)	>5	4	3	2	1
Natural or artificial barrier (e.g. embankment)SUR_B	Yes				No
Material of surrounding wall (SUR_Wm)	Stone/brick/concrete	Mixed (concrete + wood)	Wooden fence	Wire fence	No wall
Height of surrounding wall (SUR_Wh)	H > 80% of water depth	60% < H < 80% of water depth	40% < H < 60% of water depth	20% < H < 40% of water depth	0% < H < 20% of water depth