NDLI: Determination of regional acidification factors for Argentina

Content Provider	Springer Nature Link
Author	Civit, Bárbara Arena, Alejandro Pablo Allende, David
Copyright Year	2012
Abstract	In the last decade, the use of life cycle assessment (LCA) as a tool for selection between different technologies or products fulfilling the same function has spread rapidly in Latin American countries. However, this accelerated growth in the use of LCA has not always been supported with progress in construction of local inventories or the development of impact assessment methods that consider local and regional characteristics of the sites where technologies, products, and activities or services are being produced or developed. The aim of this study is to propose a local methodology to estimate regional factors for the terrestrial acidification impact category in Argentina based on the critical load exceedance in sensitive areas.Acidification factors for ecological regions in Argentina were calculated following a procedure that compares acidic deposition with critical loads, using a linear function to represent the damage, when the deposition is above the soil buffering capacity. The acidic deposition in the study area was estimated using the air transport model wind trajectory model, with emissions from the global inventory EDGAR. Detailed soil maps were used in order to include the acidification sensitivity of the receiving ecosystems. Also, an application case of the calculated factors is presented in order discuss the relevance of the regional factors implementation in local studies.Deposition fluxes were estimated for different ecoregions in Argentina. The regional factors calculated differ from site-generic factors used commonly to estimate potential impacts, demonstrating that their use in local studies could lead to erroneous outcomes. This was more evident in the application case, where the potential impact calculated was very different, depending on the impact factor used.The model presented in this study allows the assessment of the impact caused by deposition of acidifying substances emitted during the life cycle of a product or process, taking into account the local characteristics where the intervention occurs, and it is the first development of a regional model for acidification within the LCA context carried out in Argentina. The obtained results highlight the importance of developing regional characterization factors for local or regional impacts referred to a definite region.
Starting Page	1632
Ending Page	1642
Page Count	11
File Format	PDF
ISSN	09483349
Journal	The International Journal of Life Cycle Assessment
Volume Number	19
Issue Number	9
e-ISSN	16147502
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2012-04-20
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Acidification Argentina Life cycle assessment Life cycle impact assessment Regional impacts Environment Environmental Economics Environmental Engineering/Biotechnology Environmental Chemistry
Content Type	Text
Resource Type	Article
Subject	Environmental Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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