Environ Manage
March 2022
Pollution incidents cause transient water quality alterations during the passage of contaminants' plume along watercourses, with plume passage period and contaminants' concentrations modelled by advection-dispersion equations. Despite being transient, water quality alterations can impose many impacts on the streamwater ecosystem services. This study proposes two frameworks based on Habitat Equivalency Analysis to be applied during assessments of streamwaters' pollution incidents and respective compensation panoramas: (1) Streamwater interim loss framework, to calculate interim loss debits caused by transient alterations in the streamwater quality; (2) Total credit framework, to calculate streamwater credits generated by improvements in selected watercourse's streamwater quality, produced by wastewater treatment plants in this study.
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