Flood Risk Zoning by Using 2D Hydrodynamic Modeling: A Case Study in Jinan City

Table 2

Classification of risk levels.

HR	Degree of flood risk	Description
	Low	Caution
		Flood zone with shallow flowing water or deep standing water
	Moderate	Dangerous for some (i.e., children)
		“Danger: flood zone with deep or fast flowing water”
	Significant	Dangerous for most people
		“Danger: flood zone with deep fast flowing water”
	Extreme	Dangerous for all
		“Extreme danger: flood zone with deep fast flowing water”