Comparing the economic value of virtual water with volumetric and stress-weighted approaches: a case for the tea supply chain

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dc.contributor.authorLowe, Benjamin H.
dc.contributor.authorOglethorpe, David R.
dc.contributor.authorChoudhary, Sonal
dc.date.accessioned2020-05-11T16:35:27Z
dc.date.available2020-05-11T16:35:27Z
dc.date.freetoread2021-03-31
dc.date.issued2020-03-30
dc.description.abstractIn this paper, we employ a new approach to assessing the impact and efficiency of virtual water use along the supply chain. This approach involves estimating the economic value of virtual water flows. A realistic tea supply chain case study is presented to test this new approach and compare it with alternative volumetric and stress-weighted methods. The case study is used to highlight the total value of the blue and grey water used to produce 1 tonne of tea as a finished good ($224). The case study also illustrates how variations in the relative unit value of water between geographies, in this case between multiple locations where crops are cultivated (India $0.08 m3, Indonesia $0.09 m3 and Kenya $0.27 m3), can be used to inform supply chain optimisation and allocative efficiency. Indeed, the case study suggests that taking into account the economic value of virtual water may provide differing prescriptions for the sustainable management of supply chains when compared to the traditional volumetric water footprint, and the stress-weighted water footprint used in LCA.en_UK
dc.identifier.citationLowe BH, Oglethorpe DR, Choudhary S. (2020) Comparing the economic value of virtual water with volumetric and stress-weighted approaches: a case for the tea supply chain. Ecological Economics, Volume 172, June 2020, Article number 106572en_UK
dc.identifier.cris26471767
dc.identifier.issn0921-8009
dc.identifier.urihttps://doi.org/10.1016/j.ecolecon.2019.106572
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/15445
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectWater footprinten_UK
dc.subjectVirtual wateren_UK
dc.subjectSupply chain managementen_UK
dc.subjectStress-weighted water footprinten_UK
dc.subjectEconomic value of wateren_UK
dc.subjectBenefit transferen_UK
dc.titleComparing the economic value of virtual water with volumetric and stress-weighted approaches: a case for the tea supply chainen_UK
dc.typeArticleen_UK

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