Changes

:A broad category of particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates, and available in various particulate size gradations.

:A broad category of particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates, and available in various particulate size gradations.

;Antecedent dry period ;;antecedent dry period

;Antecedent dry period ;antecedent dry period

;Interevent time ;interevent time

;Interevent time ;interevent time

:The period of time between consecutive rainfall events.

:The period of time between consecutive rainfall events.

;Aquifer ;Aquifers ;aquifers ;aquifer

;Aquifer  

;Aquifers  

;aquifers  

;aquifer

:Layer of rock or soil that holds or transmits water.  

:Layer of rock or soil that holds or transmits water.