Climatic Condition | BMP Design Challenge |
---|---|
Cold Temperatures | Pipe freezing
► Permanent pool ice covered ► Reduced biological activity ► Reduced oxygen levels during ice cover ► Reduced settling velocities |
Deep Frost Line | ► Frost heaving
► Reduced soil infiltration ► Pipe freezing |
Short Growing Season | ► Short time period to establish vegetation ► Different plant species appropriate to cold climates than moderate climates |
Significant Snowfall | ► High runoff volumes during snowmelt and rainon-snow
► High pollutant loads during spring melt ► Other impacts of road salt/deicers ► Snow management may affect BMP storage |