From Water-Use to Water-Scarcity Footprinting in Environmentally Extended Input-Output Analysis

Environmental Science & Technology
Bradley G RidouttBrett A Bryan

Abstract

Environmentally extended input-output analysis (EEIOA) supports environmental policy by quantifying how demand for goods and services leads to resource use and emissions across the economy. However, some types of resource use and emissions require spatially explicit impact assessment for meaningful interpretation, which is not possible in conventional EEIOA. For example, water use in locations of scarcity and of abundance are not environmentally equivalent. Opportunities for spatially explicit impact assessment in conventional EEIOA are limited because official input-output tables tend to be produced at the scale of political units, which are not usually well-aligned with environmentally relevant spatial units. In this study, spatially explicit water-scarcity factors and a spatially disaggregated Australian water-use account were used to develop water-scarcity extensions that were coupled with a multiregional input-output model (MRIO). The results link demand for agricultural commodities to the problem of water scarcity in Australia and globally. Important differences were observed between the water-use and water-scarcity footprint results as well as the relative importance of direct and indirect water use, with significant imp...Continue Reading

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Citations

May 1, 2019·Food and Environmental Virology·Arijana FilipićDavid Dobnik
Feb 25, 2021·Public Health Nutrition·Bradley G RidouttGilly A Hendrie
Mar 8, 2021·Journal of Environmental Management·Xu ZhaoMartin R Tillotson
Jul 2, 2020·Environmental Science & Technology·Maria GerveniSandy Dall'erba
Dec 27, 2019·Environmental Science & Technology·Yi YangTimothy M Smith
Jan 7, 2021·Environmental Science & Technology·Javier NavarroBrett A Bryan
Sep 29, 2021·The Science of the Total Environment·Albert Kwame Osei-OwusuMarianne Thomsen
Oct 18, 2021·The Science of the Total Environment·Shiwei LiuCunde Xiao

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