Highlights Proposes quantitative methodology for assessing roadway GHG emissions from climate change. Models three heterogeneous climate event types. Incorporates effects of post-event repairs, roadway closures and capacity reduction. Accounts for gradient and increased distances. Proposes a GHG emissions-based link criticality index for proactive adaptation. Enables GHG emissions-based breakeven analysis for adaptations.

    Abstract Civil infrastructure is vulnerable to climate-based event impacts that are increasing. A comparative with-and-without simulation-based GHG emissions change estimation methodology is proposed for estimating the changes in roadway transportation-related GHG emissions, a key contributor to climate change, from repairs required to mitigate damage and the execution of adaptations taken to prevent future damage. Riverine flooding from precipitation, coastal flooding from surge and high tide, and pavement deterioration from high temperatures and dry conditions are considered. A GHG emissions-based link criticality index is developed for identifying links for proactive adaptations. The tool provides insights for climate impact reduction policy creation and evaluation, and can aid in assessing the effectiveness of roadway infrastructure investment plans for combatting climate change effects. The methodology is illustrated on a case study in Northern Virginia. The results uncover how climate change events and actions taken can exacerbate conditions that accelerate climate change in the long term.


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    Title :

    Estimating added roadway GHG emissions from climate change effects and related adaptations


    Contributors:


    Publication date :

    2023-12-26




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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