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Estimation of CO2 emissions in the life cycle of roads through the disruption and restoration of environmental systems

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dc.contributor.author Barandica, Jesús M.
dc.contributor.author Delgado, Juan Antonio
dc.contributor.author Berzosa, Álvaro
dc.contributor.author Fernández Sánchez, Gonzalo
dc.contributor.author Serrano, José María
dc.contributor.author Zorrilla, Juan M.
dc.date.accessioned 2015-12-02T09:05:32Z
dc.date.available 2015-12-02T09:05:32Z
dc.date.issued 2014
dc.identifier.citation Barandica, J. M., Delgado, J. A., Berzosa, Á., Fernández-Sánchez, G., Serrano, J. M., & Zorrilla, J. M. (2014). Estimation of CO 2 emissions in the life cycle of roads through the disruption and restoration of environmental systems. Ecological Engineering, 71(October), 154-164. spa
dc.identifier.issn 09258574
dc.identifier.uri http://hdl.handle.net/11268/4636
dc.description.abstract Effects of disruption and restoration of terrestrial ecosystems have been largely overlooked when conducting assessments of greenhouse gas (GHG) emissions in road construction projects. This is an important oversight given the intensive land-conversion generated by linear infrastructure development, as well as the relevance given to carbon pool variations associated with land use and land-use changes by national inventories of GHG emissions and global reports. This paper describes the implementation of a methodology to classify those environmental systems in land-uses categories, to determine their carbon stocks (vegetation and soil), and to quantify CO2 emissions and removal related to their management at the different stages of road construction projects. The procedure is illustrated through its application in the impact assessment of road projects in the territory of Spain. This methodology integrates currently available information on carbon stocks and considers the accounting criteria adopted in national GHG emissions inventories. It is intended to constitute part of an integral assessment tool for GHG emissions in linear infrastructure projects. Four case studies are presented in which emissions from the disruption of environmental systems range from 0.55 to 3.66 kT CO2 km−1. This represents 5 to 13% of the total emissions in the construction stage, and 3.5 to 7% of the net CO2 balance, i.e., once the initial carbon sequestration by restoration planting has been discounted. Results also indicate that under ideal conditions the long-term effect of restoration may even fully offset this impact, though really such conditions are far from being the case in the usual development of plantations. This study confirms the advisability of systematically incorporating the analysis of land use and land-use changes into the assessment of GHG emissions of road projects for consideration in decision-making from the design stage to the maintenance stage in such projects. spa
dc.description.sponsorship Sin financiación spa
dc.language.iso eng spa
dc.subject.other Road projects spa
dc.subject.other GHG emissions spa
dc.subject.other Carbon stocks spa
dc.subject.other Land-use change spa
dc.subject.other Environmental impact spa
dc.subject.other Emission assessment tool spa
dc.title Estimation of CO2 emissions in the life cycle of roads through the disruption and restoration of environmental systems spa
dc.type article spa
dc.description.impact 2.580 JCR (2014) Q2, 55/145 Ecology, 14/47 Engineering, environmental; 67/223 Environmental sciences spa
dc.identifier.doi 10.1016/j.ecoleng.2014.07.009
dc.rights.accessRights closedAccess en
dc.subject.uem Ingeniería civil spa
dc.subject.uem Medio ambiente spa
dc.subject.unesco Ingeniería civil spa
dc.subject.unesco Medio ambiente spa
dc.subject.unesco Carretera spa
dc.description.filiation UEM spa
dc.peerreviewed Si spa


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