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Table 1

Critical model variable definitions for risk dynamics simulation

HierarchiesVariablesUnitsAttributesVariable definition
SPL People at risk Person Stock INTEG (Evacuation rate, Initial value of people at risk) 
SPL People under evacuation Stock INTEG (Evacuation rate,0) + RANDOM UNIFORM(1,5,2) 
SPL People being safe Person Stock INTEG (Arriving rate, Initial value of people being safe) 
SPL Number of fatalities Person Stock Loss rate × People at risk 
OML Organization decision-making Time Auxiliary IF THEN ELSE (MIN(Dam break risk4 × (1 − (organization risk awareness − Dam break risk))0.2,1) ≥ threshold of decision-making,1,0) 
DSL Dam break risk Stock INTEG (Risk change due to structural load − Emergency dispatch behaviors, Initial value of dam break risk) 
HFL Resident risk awareness Auxiliary 0.3 × Concern about evacuation + 0.2 × Children scale + 0.3 × Age effect + 0.2 × Warning information diffusion rate 
HFL Evacuation behavior Time Auxiliary 2 × Acceptance of evacuation × (0.5 × Accident experience + 0.5 × Community cohesion) 
DSL Average severity in flooded area Auxiliary Table function of rainfall and flood carrying capacity 
OML Dam detection accuracy Auxiliary Table function of monitoring system reliability and check frequency in site 
OML Warning information diffusion rate Auxiliary Table function of media influence and community notice situations 
HierarchiesVariablesUnitsAttributesVariable definition
SPL People at risk Person Stock INTEG (Evacuation rate, Initial value of people at risk) 
SPL People under evacuation Stock INTEG (Evacuation rate,0) + RANDOM UNIFORM(1,5,2) 
SPL People being safe Person Stock INTEG (Arriving rate, Initial value of people being safe) 
SPL Number of fatalities Person Stock Loss rate × People at risk 
OML Organization decision-making Time Auxiliary IF THEN ELSE (MIN(Dam break risk4 × (1 − (organization risk awareness − Dam break risk))0.2,1) ≥ threshold of decision-making,1,0) 
DSL Dam break risk Stock INTEG (Risk change due to structural load − Emergency dispatch behaviors, Initial value of dam break risk) 
HFL Resident risk awareness Auxiliary 0.3 × Concern about evacuation + 0.2 × Children scale + 0.3 × Age effect + 0.2 × Warning information diffusion rate 
HFL Evacuation behavior Time Auxiliary 2 × Acceptance of evacuation × (0.5 × Accident experience + 0.5 × Community cohesion) 
DSL Average severity in flooded area Auxiliary Table function of rainfall and flood carrying capacity 
OML Dam detection accuracy Auxiliary Table function of monitoring system reliability and check frequency in site 
OML Warning information diffusion rate Auxiliary Table function of media influence and community notice situations 
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