• Login
    View Item 
    •   Home
    • University of Alaska Fairbanks
    • UAF Graduate School
    • Geosciences
    • View Item
    •   Home
    • University of Alaska Fairbanks
    • UAF Graduate School
    • Geosciences
    • 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

    Dendro-geomorphological analyses of the Slate Creek landslide, Alaska

    • CSV
    • RefMan
    • EndNote
    • BibTex
    • RefWorks
    Thumbnail
    Name:
    Young_M_2022.pdf
    Size:
    7.443Mb
    Format:
    PDF
    Download
    Author
    Young, Mackenzie E.
    Chair
    Mann, Daniel
    Committee
    Gaglioti, Benjamin
    Darrow, Margaret
    Keyword
    Mass-wasting
    Alaska Range
    Landslides
    Dendrochronology
    Geomorphology
    Metadata
    Show full item record
    URI
    http://hdl.handle.net/11122/13095
    Abstract
    Hillslopes cover much of the Earth's surface, and mass movement is one of the main ways hillslopes re-adjust their profiles in response to the changing climate. Over the next few decades, the impacts of climate changes on mass movements are predicted to be pronounced at high latitudes where temperatures are warming rapidly, permafrost is thawing, and precipitation is increasing. More frequent mass movements have the potential to threaten critical infrastructure in Interior Alaska, particularly in areas of steep slopes and discontinuous permafrost like the Alaska Range. With these concerns in mind, I investigated the dynamics of a complex landslide that is encroaching on the Parks Highway near Slate Creek along the northern front of the Alaska Range. I used dendrochronology to document the extent and timing of this landslide's movements over the past century. To quantify general and seasonal rates of movement, I analyzed aerial photography and LiDAR imagery and obtained geographical positional measurements on a network of datum points established on the landslide's surface. I sought to test the hypothesis that climate controls the activity of the Slate Creek Landslide by comparing dendrochronology and rate-of-movement data to weather records. Results indicate that different parts of the landslide are moving at rates ranging from 0.2 cm/year to 8m/year. Dendrochronological data indicate there were periods of enhanced landslide movement occurring in 1967, 1973, 1977, 1980, and 2017. It remains unclear what triggered the initiation of this landslide and what factors have controlled its recent movement rates. Possibilities include disturbance of the landslide's toe, periods of increased precipitation, a past wildfire, permafrost thaw, or some combination of these factors.
    Description
    Thesis (M.S.) University of Alaska Fairbanks, 2022
    Date
    2022-08
    Type
    Thesis
    Collections
    Geosciences

    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 - 2023 | 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.