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An Approach to Quantifying the Grey Water Footprint of Agricultural Productions in Basins with Impaired Environment by Shervin Jamshidi; Somaye Imani; Majid Delavar is a Environmental Science article available to read on EtoBox.

What is An Approach to Quantifying the Grey Water Footprint of Agricultural Productions in Basins with Impaired Environment about?

Grey water footprint (GWF) is an indicator that converts the pollution loads to the equivalent freshwater volume in water footprint (WF) assessment. The conventional application of GWF is to account the embedded water required for the assimilation of pollution loads discharged by production processes. However, this research highlights a deficiency in GWF accounting and proposes an integrated methodology to reinforce GWF to consider the regional environmental concerns in the WF of agricultural productions. This methodology has three main consecutive steps. First, the soil and water assessment tool (SWAT) is used for basin simulation. Second, the WFs of agricultural productions are assessed by the modeling outcomes and according to the conventional approach of GWF accounting. In the third step, an amendment is introduced in WF assessment for accounting the embedded freshwater required for environmental enhancement. This amendment develops multiple-pollutant GWF assessment and increases the WFs of agricultural productions in environmentally impaired basins. This approach is verified in Zrebar Lake basin where farmlands are the main non-point sources and the lake experiences eutrophica

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Author

Shervin Jamshidi; Somaye Imani; Majid Delavar

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Environmental Science (Physical Sciences)