Update impact_metric.csv

1. revise 'downtime' to the more formal 'disruption'
2. include number of days people can be displaced (adding to number of people displaced)
3. separated out casualty and fatality count, ratio for clearer definition

schema/codelists/open/impact_metric.csv

@@ -6,16 +6,21 @@ damage_index,Damage index,"A specified index or classification of damage levels,
 loss_ratio,Loss ratio,"The loss to an asset divided by the total replacement cost of the asset [0-n] as a function of damage state, used in damage-to-loss-models.",Vulnerability
 mean_loss_ratio,Mean Loss Ratio,"The mean loss ratio in a distribution of losses divided by the total replacement cost of the asset [0-n] as a function of damage state, used in damage-to-loss-models.",Vulnerability
 downtime_vulnerability,Downtime (vulnerability),"Duration of downtime, used in vulnerability modelling of business or service interruption.",Vulnerability
-casualty_ratio_vulnerability,Casualty ratio (vulnerability),The number of expected casualties or fatalities as a proportion of total inhabitants of and asset or population [0-1] used in casualty or mortality functions.,Vulnerability
+casualty_ratio_vulnerability,Casualty ratio (vulnerability),The number of expected casualties (injuries) as a proportion of total inhabitants of an asset or population [0-1] used in casualty functions.,Vulnerability
+fatality_ratio_vulnerability,Fatality ratio (vulnerability),The number of expected people killed as a proportion of total inhabitants of an asset or population [0-1] used in fatality or mortality functions.,Vulnerability
 economic_loss_value,Total economic loss,"The monetary value of estimated economic impact or total loss (ground up loss in insurance terminology). Impact_type denotes whether this refers to total, direct, or indirect loss.",Loss
 insured_loss_value,Total insured loss,The monetary value of estimated insured losses.,Loss
 loss_ratio,Loss Ratio,"Estimated loss as a proportion of total replacement cost or insured value. Impact_type denotes whether this refers to total, direct, or indirect loss.",Loss
 casualty_count,Number of casualties (fatalities),The estimated number of casualties or fatalities.,Loss
 casualty_ratio_loss,Casualty ratio (loss),Proportion of estimated casualties or fatalities in the total population.,Loss
+fatality_count,Number of people killed,The estimated number of people killed.,Loss
+fatality_ratio_loss,Fatality ratio (loss),Proportion of estimated people killed in the total population.,Loss
 loss_annual_average_value,Annual average loss,"Expected loss over a one-year time period according to long-term averages. Impact_type denotes whether this refers to total, direct, or indirect loss.",Loss
 loss_probable_maximum_value,Probable Maximum Loss,Estimated maximum loss occurring at a given exceedance probability or return period.,Loss
 at_risk_value,Value at Risk,Estimated minimum loss likely to be equalled or exceeded in a given year for a given probability.,Loss
 at_risk_tail_value,Tail Value at Risk,Estimated losses at or exceeding a specified value at risk VaR (estimate of average losses given that a severity threshold has been exceeded).,Loss
-downtime_loss,Downtime (loss),Duration of downtime (business or service interruption).,Loss
+disruption_days,Disruption (loss),"Duration of disruption to businesses or services, expressed as a number of days.",Loss
+disruption_loss,Disruption (loss),"Duration of disruption to businesses or services, expressed as a monetary loss.",Loss
 asset_loss,Number of assets,"The estimated number of structures, or length of infrastructure, damaged.",Loss
 displaced_count,Number of people displaced,The estimated number of people displaced due to physical damage and disruption.,Loss
+displaced_days,Number of days that people are displaced,The estimated number of days that people are displaced due to physical damage and disruption.,Loss