Changes

;Adsorption

;Adsorption ;adsorption

;adsorption

:The attachment of gas, vapour or dissolved matter onto the surface of solid materials.  

:The attachment of gas, vapour or dissolved matter onto the surface of solid materials.  

;Aggregate

;Aggregate ;aggregates ;aggregate ;Aggregates

: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

;Interevent time

;Interevent time ;interevent time

:The period of time between consecutive rainfall events.

:The period of time between consecutive rainfall events.

;aquifers

;Aquifer ;Aquifers ;aquifers ;aquifer

;aquifer

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

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

;Asphalt

;Asphalt ;asphalt

:A mixture of mineral aggregates bound with bituminous materials, used in the construction and maintenance of paved surfaces.  

:A mixture of mineral aggregates bound with bituminous materials, used in the construction and maintenance of paved surfaces.  

;Attenuation

;Attenuation ;attenuation

:Reduction of peak flow and increase of the duration of the flow event.  

:Reduction of peak flow and increase of the duration of the flow event.  

;Base flow

;Base flow ;base flow

:The sustained flow in a channel due to groundwater interaction.  

:The sustained flow in a channel due to groundwater interaction.