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Main Title: Enhancing the Water Accounting and Vulnerability Evaluation Model: WAVE+
Author(s): Berger, Markus
Eisner, Stephanie
van der Ent, Ruud
Flörke, Martina
Link, Andreas
Poligkeit, Joseph
Bach, Vanessa
Finkbeiner, Matthias
Type: Article
Language Code: en
Abstract: Due to the increasing relevance of analyzing water consumption along product life cycles, the water accounting and vulnerability evaluation model (WAVE) has been updated and methodologically enhanced. Recent data from the atmospheric moisture tracking model WAM2-layers is used to update the basin internal evaporation recycling (BIER) ratio, which denotes atmospheric moisture recycling within drainage basins. Potential local impacts resulting from water consumption are quantified by means of the water deprivation index (WDI). Based on the hydrological model WaterGAP3, WDI is updated and methodologically refined to express a basin’s vulnerability to freshwater deprivation resulting from the relative scarcity and absolute shortage of water. Compared to the predecessor version, BIER and WDI are provided on an increased spatial and temporal (monthly) resolution. Differences compared to annual averages are relevant in semiarid and arid basins characterized by a high seasonal variation of water consumption and availability. In order to support applicability in water footprinting and life cycle assessment, BIER and WDI are combined to an integrated WAVE+ factor, which is provided on different temporal and spatial resolutions. The applicability of the WAVE+ method is proven in a case study on sugar cane, and results are compared to those obtained by other impact assessment methods.
Issue Date: 20-Jul-2018
Date Available: 11-Nov-2019
DDC Class: 333 Boden- und Energiewirtschaft
Subject(s): water footprint
water consumption
life cycle assessment
life cycle impact assessment
Sponsor/Funder: DFG, 321170424, Wasserfußabdruck in der verarbeitenden Industrie - Methoden, Werkzeuge und Optimierungsstrategien
Journal Title: Environmental Science & Technology
Publisher: American Chemical Society (ACS)
Publisher Place: Columbus, Ohio
Volume: 52
Issue: 18
Publisher DOI: 10.1021/acs.est.7b05164
Page Start: 10757
Page End: 10766
EISSN: 1520-5851
ISSN: 0013-936X
Appears in Collections:FG Technischer Umweltschutz / Sustainable Engineering » Publications

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