• Login
    View Item 
    •   Home
    • University of Alaska Fairbanks
    • College of Engineering and Mines (CEM)
    • Institute of Northern Engineering
    • Arctic Infrastructure Development Center (AIDC) Publications
    • Community Center for Environmentally Sustainable Transportation in Cold Climates (CESTiCC) Publications
    • CESTiCC Project Reports
    • View Item
    •   Home
    • University of Alaska Fairbanks
    • College of Engineering and Mines (CEM)
    • Institute of Northern Engineering
    • Arctic Infrastructure Development Center (AIDC) Publications
    • Community Center for Environmentally Sustainable Transportation in Cold Climates (CESTiCC) Publications
    • CESTiCC Project Reports
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Browse

    All of Scholarworks@UACommunitiesPublication DateAuthorsTitlesSubjectsTypeThis CollectionPublication DateAuthorsTitlesSubjectsType

    My Account

    Login

    First Time Submitters, Register Here

    Register

    Statistics

    Display statistics

    Evaluating the Potential Effects of Deicing Salts on Roadside Carbon Sequestration

    • CSV
    • RefMan
    • EndNote
    • BibTex
    • RefWorks
    Thumbnail
    Name:
    Salt_Carbon_CESTiCC_FinalRepor ...
    Size:
    1.788Mb
    Format:
    PDF
    Download
    Author
    Fay, Laura
    Ament, Rob
    Hartshorn, Tony
    Powell, Scott
    Keyword
    deicer
    carbon sequestration
    organic carbon
    soil chloride concentration
    Metadata
    Show full item record
    URI
    http://hdl.handle.net/11122/9766
    Abstract
    This project sought to document patterns of road deicing salts and the effects of these salts on the amount of carbon being sequestered passively along Montana Department of Transportation roads; it was designed collaboratively with a related roadside project that tested three different highway right-of-way management techniques (mowing height, shrub planting, disturbance) to determine whether they have the capacity to increase soil organic carbon. Our sampling did not reveal elevated salt levels at any of the nine locations sampled at each of the three I-90 sites. The greatest saline concentrations were found at the sample locations farthest from the road. This pattern was consistent across all three sites. The range of soil organic matter (SOM) was broad, from ~1% to >10%. Generally, SOM values were lowest adjacent to the road and highest farthest from the road. We found no or weak evidence of a relationship between our indices of soil salinity and SOM levels, with electrical conductivity, exchangeable calcium, and cation exchange capacity. Results imply that if road deicing salts are altering patterns of roadside SOM and potential carbon sequestration, this effect was not captured by our experimental design, nor did deicing salts appear to have affected roadside vegetation during our most recent sampling effort. Our findings highlight the value of experimentally separating the multiple potentially confounding effects of winter maintenance operations on roadside soils: roads could focus the flow of water, salts, and sands to roadside soils. How these types of mass inputs to roadside soils might influence medium- or long-term carbon dynamics remains an open question, but their fuller characterization and possible flow paths will be essential to clarifying the role of roadside soils in terrestrial soil organic carbon sequestration strategies.
    Date
    2019-01
    Type
    Technical Report
    Collections
    CESTiCC Project Reports

    entitlement

     
    ABOUT US|HELP|BROWSE|ADVANCED SEARCH

    The University of Alaska Fairbanks is an affirmative action/equal opportunity employer and educational institution and is a part of the University of Alaska system.

    ©UAF 2013 - 2021 | Questions? ua-scholarworks@alaska.edu | Last modified: September 25, 2019

    Open Repository is a service operated by 
    Atmire NV
     

    Export search results

    The export option will allow you to export the current search results of the entered query to a file. Different formats are available for download. To export the items, click on the button corresponding with the preferred download format.

    By default, clicking on the export buttons will result in a download of the allowed maximum amount of items.

    To select a subset of the search results, click "Selective Export" button and make a selection of the items you want to export. The amount of items that can be exported at once is similarly restricted as the full export.

    After making a selection, click one of the export format buttons. The amount of items that will be exported is indicated in the bubble next to export format.