Net consumption method does not provide helpful insights regarding the blue water footprint of hydroelectricity

Water footprint indicator describes direct and indirect use of waters for humanity. Three different methods are used to calculate the water footprint of electricity generation in a hydroelectric power station or the water footprint of processes associated with the operation of reservoirs. This artic...

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Autor principal:	Libor Ansorge
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Water footprint Hydroelectricity Net consumption method Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/e970efa0ba934579b1dc16d40e57da7d
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spelling	oai:doaj.org-article:e970efa0ba934579b1dc16d40e57da7d2021-12-01T04:51:07ZNet consumption method does not provide helpful insights regarding the blue water footprint of hydroelectricity1470-160X10.1016/j.ecolind.2021.107681https://doaj.org/article/e970efa0ba934579b1dc16d40e57da7d2021-07-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21003460https://doaj.org/toc/1470-160XWater footprint indicator describes direct and indirect use of waters for humanity. Three different methods are used to calculate the water footprint of electricity generation in a hydroelectric power station or the water footprint of processes associated with the operation of reservoirs. This article analyses a method referred to as “net consumption”, which assumes that, even before reservoir construction, there was evaporation from the area of a future reservoir. According to this method, water loss from the hydroelectric power station system is the difference between evaporation from the water reservoir surface and evaporation from the earth's surface before reservoir construction.The article presents several arguments as to why this method is wrong and should not be used as part of the methodology for calculating the water footprint of hydropower. The main arguments are: 1) the “net consumption” method does not describe the value of the water footprint of the product (i.e., consumption per unit of electricity), but the change in the water balance of the territory; 2) the “net consumption” method is not compatible with the methods of calculating the water footprint of similar products and water footprint methodology in general; 3) the “net consumption” method may lead to inappropriate conclusions about the sustainability of the construction and operation of a reservoir. The individual arguments are documented with examples.Libor AnsorgeElsevierarticleWater footprintHydroelectricityNet consumption methodEcologyQH540-549.5ENEcological Indicators, Vol 126, Iss , Pp 107681- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Water footprint Hydroelectricity Net consumption method Ecology QH540-549.5
spellingShingle	Water footprint Hydroelectricity Net consumption method Ecology QH540-549.5 Libor Ansorge Net consumption method does not provide helpful insights regarding the blue water footprint of hydroelectricity
description	Water footprint indicator describes direct and indirect use of waters for humanity. Three different methods are used to calculate the water footprint of electricity generation in a hydroelectric power station or the water footprint of processes associated with the operation of reservoirs. This article analyses a method referred to as “net consumption”, which assumes that, even before reservoir construction, there was evaporation from the area of a future reservoir. According to this method, water loss from the hydroelectric power station system is the difference between evaporation from the water reservoir surface and evaporation from the earth's surface before reservoir construction.The article presents several arguments as to why this method is wrong and should not be used as part of the methodology for calculating the water footprint of hydropower. The main arguments are: 1) the “net consumption” method does not describe the value of the water footprint of the product (i.e., consumption per unit of electricity), but the change in the water balance of the territory; 2) the “net consumption” method is not compatible with the methods of calculating the water footprint of similar products and water footprint methodology in general; 3) the “net consumption” method may lead to inappropriate conclusions about the sustainability of the construction and operation of a reservoir. The individual arguments are documented with examples.
format	article
author	Libor Ansorge
author_facet	Libor Ansorge
author_sort	Libor Ansorge
title	Net consumption method does not provide helpful insights regarding the blue water footprint of hydroelectricity
title_short	Net consumption method does not provide helpful insights regarding the blue water footprint of hydroelectricity
title_full	Net consumption method does not provide helpful insights regarding the blue water footprint of hydroelectricity
title_fullStr	Net consumption method does not provide helpful insights regarding the blue water footprint of hydroelectricity
title_full_unstemmed	Net consumption method does not provide helpful insights regarding the blue water footprint of hydroelectricity
title_sort	net consumption method does not provide helpful insights regarding the blue water footprint of hydroelectricity
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/e970efa0ba934579b1dc16d40e57da7d
work_keys_str_mv	AT liboransorge netconsumptionmethoddoesnotprovidehelpfulinsightsregardingthebluewaterfootprintofhydroelectricity
_version_	1718405757232218112

Net consumption method does not provide helpful insights regarding the blue water footprint of hydroelectricity

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