The water footprint assessment manual setting the global standard pdf

The companys methodology also uses principles derived from generally accepted financial accounting and. Wfa provides comparable quantification of water consumption and pollution and robust analytics that can be used to understand water dependencies in direct operations and supply chains, for products, facilities and companies and at different geographic. It covers a comprehensive set of methods for water footprint accounting. Water, energy, and climate environmental metrics page 6 of 10 water footprint the water footprint was determined based on the approach presented in hoekstra et al. Water footprint assessment of silk apparel in china. Setting the global standard pdf, pages 4851, he writes. Water footprint wf is one of the methods to address this challenge. This book offers a complete and uptodate overview of the global standard on water footprint. Water balance of global aquifers revealed by groundwater. Water indexed benefits and impacts of california almonds. A newly developed concept called groundwater footprint is used to reveal the degree of sustainable use of global aquifers by calculating the area relative to the extractive demands.

Sorry, we are unable to provide the full text but you may find it at the following locations. Foods differ vastly in terms of the quantity of land, water, and energy needed per unit of energy and protein ultimately consumed, and in terms of their greenhouse gas impacts see chart. Water footprint in the context of sustainability assessment jrc. The water footprint wf is a measure of humans appropriation of. This manual has been written with the great help of many organizations and. It also describes how to assess the sustainability of a water footprint and includes an extensive library of measures that can contribute to water footprint reduction. The water footprint is the sum of the water used directly or indirectly to produce goods and services consumed by humanity. Water resources are vital to ecosystems and human beings and play a significant role in the textile and apparel industry. The book sets the global standard for the calculation of water footprints of products, companies, consumers and nations. Ultimately, water scarcity depends on blue water use. You mention in your comments that the water footprint assessment manual calls for environmental, social, and economic analysis to complement the calculation of water footprints. The global water footprint assessment standard is the internationally accepted methodology for conducting a water footprint assessment wfa. The water footprint assessment manual setting the global.

Water in the global trading system is known a virtual water. According to ridoutt and huang 1, environmental relevance must be taken into consideration if water footprints are to inform wise decision making and policy development. The direct water footprint is the physical water consumed by a population within the city boundaries, measured from the outflow of the drinking water treatment plant. The main difference is that the iso 14046 standard takes more of a life cycle assessment type approach to water footprinting in that it is focused on estimating impact the standard is heavily. For example, estimations of water use to produce 1 kg of beef range from 3 to 540 l of h 2 o or h 2 o equivalents for the life cycle assessment approach and from 10,000 to 200,000 l of h 2 o for the water footprint. It also offers guidance on response strategies that conserve water for industry, communities, and nature. This cited by count includes citations to the following articles in scholar. This book offers a complete and uptodate overview of the global standard on water footprint assessment as developed by the water footprint network. Daugherty water for food global institute at the verified email at unl.

The total volume of freshwater used to produce the goods and services consumed by an individual, community, or business. A complete and uptodate overview of the global standard on water footprint assessment available in four languages. The water footprint of humanity pubmed central pmc. In order to calculate the water footprint of the final product in a production system, one can best start calculating the water footprints of the most original resources where the supply chain starts and then calculate, stepbystep. The indirect water footprint is water consumed for the procurement of high flux consumer goods and resources that are then imported into the urban environment. Pdf simplified direct water footprint model to support. Four distinct phases in water footprint assessment. The grey water footprint is an indicator of the degree of freshwater pollution and is defined as the volume of freshwater that is required to assimilate the load of pollutants based on existing ambient water quality standards. Aldaya is available at in several formats for your ereader. This manual presents a scientifically rigorous method to help companies understand their dependency and impact on global water resources, and offers guidance on response strategies that conserve water for industry, communities, and nature. The great water footprint connundra water, land and. Indeed, reduction targets regarding water footprints wfs within catchments should be formulated on the basis of relative water scarcity per catchment, because local environmental impact of water use is generally. A corporate water footprint deckers outdoor corporation. Comprising the sustainability assessment of a water footprint assessment according to the global standard, local wfs can be compared with local sustainable water availability levels.

Chinas provincial grey water footprint characteristic and. Although the data in the protein scorecard, and in the chart, are global means for current agricultural productionmasking variations. Carbon and water footprint of robusta coffee through its. Water footprint of agricultural products springerlink. Beijing is one of the most waterstressed regions in the world.

It shows how water footprints can be calculated for individual processes and products, as well as for consumers, nations and. Water resources conservation corresponding to urban growth is an increasing challenge for european policy makers. A corporate water footprint deckers outdoor corporation introduction methods findings. Water footprint assessment manual water footprint network. Reducing agricultural water use has long been the basis of local policy for sustainable water use.

The most elaborate publications on how to estimate water footprints are a 2004 report on the water footprint of nations from unescoihe, the 2008 book globalization of water, and the 2011 manual the water footprint assessment manual. With an increased impact on the limited water resources, there has been increasing attention on the use of water footprint assessment wfa in textile research. This book by earthscan contains the global standard for water footprint assessment as developed and maintained by the water footprint. Setting the global standard find, read and cite all the research you need on researchgate. Water footprint manual university of twente research information. According to ridoutt and huang, environmental relevance must be taken into consideration if water footprints are to inform wise decision making and policy development.

This standard is described in detail in wfns the water footprint assessment manual. In addition, the influences of soil types, crop management, size of coffee farm and cocultivation of fruits on cfp of coffee product were examined. The water footprint assessment manual water footprint network. Agricultural production accounts for most of global water use, but drinking, manufacturing, cooking, recreation, washing, cleaning, landscaping, cooling, and processing all contribute to water use hoekstra et al. To estimate wfs and virtual water flows, we followed the global water footprint standard developed by the water. The water footprint is an indicator of freshwateruse that. Setting the global standard, earthscan, londonwashington dc. Other nuts grown in california, walnuts and pistachios, ranked similar to almonds.

The manual presents a scientifically rigorous method to help companies understand their dependency and impact on global water resources, and offers guidance on response strategies that conserve water the water footprint assessment manual setting the global standard. The water footprint of humanity global water forum. Water footprint network the global water footprint standard is the outcome of a joint effort between the water footprint network, its associated partners, and the university of twente in the netherlands. Request pdf on sep 1, 2011, matthew egan and others published the water footprint assessment manual. Notes on ghg emissions and land and water use of different foods. Water use is measured as volumes consumed evaporated or incorporated into a product andor polluted per unit time. Water footprint of agricultural products aims in developing new strategies to overcome the water scarcity in agricultural sector and it helps in administering many effective rules for empowering a more proficient governance of water sources under climatic changes, industrial pollution and various other factors affecting the quality of water. About 38% of the wf of global production lies within these three countries. China, india, and the united states are the countries with the largest total wfs within their territory, with total wfs of 1,207. The standard is contained in the water footprint assessment manual and has been recognized as an important step in addressing global water. In this article, the potential to reduce the life cycle cradle to gate water footprints of wheat and maize that. The functional unit was 1 kg of each coffee product. The water footprint assessment manual setting the global standard. Direct and indirect urban water footprints of the united.