Asset risk

• Annual chance of flooding (%) equals 100 * exceedance.
• For example, exceedance of 0.01 is a 1% annual chance of flooding, which corresponds to a 100-year flood.
• NOTE: Minimum exceedance in the data is 0.0032, so 0.002 = 500-year flood isn't available as an option.

TODO

• Implement: high & intermediate SLR scenarios (right now it's just high)

Q1 -- exposure

Question 1: What is the exposure to coastal flooding of an asset over a certain time span?

• User input:
  • elevation of the asset: (m NAVD88)
  • start year:
  • end year: (time span: years)
• Answer:
  • % annual chance of flood for the -year period ending .
• TODO: Change vertical scale from exc to annual % (i.e., multiply by 100)
• TODO: Change from meters NAVD88 to feet NAVD88

Q2 -- asset height

• Question #2: How high does an asset need to be to maintain a given level of protection against flooding over a given time period?
  • User input:
    • end year,
    • desired level of protection (flood-risk tolerance) on end year
  • Answer:
    • Asset height: m for excedance of in
• TODO: Change vertical scale from meters to feet, and risk from exceedance to annual %-chance of flooding

asset height

Asset height as function of year and frequency = (1 / exceedance)