자료유형  

 학위논문

Control Number  

0017164737

International Standard Book Number  

9798346868590

Dewey Decimal Classification Number  

910

Main Entry-Personal Name  

Cardwell, Julia.

Publication, Distribution, etc. (Imprint  

[S.l.] : The University of North Carolina at Chapel Hill., 2024

Publication, Distribution, etc. (Imprint  

Ann Arbor : ProQuest Dissertations & Theses, 2024

Physical Description  

112 p.

General Note  

Source: Dissertations Abstracts International, Volume: 86-06, Section: B.

General Note  

Advisor: Konrad, Charles;Delamater, Paul.

Dissertation Note  

Thesis (Ph.D.)--The University of North Carolina at Chapel Hill, 2024.

Summary, Etc.  

요약Weather-related road closures have the potential to disrupt society in significant ways. Existing academic literature has already shown that impacts from weather-related road closures can be extreme and affect aspects of societal function like passenger travel and access to essential services. By modifying existing graph theory approaches to analyzing network function to more realistically represent passenger travel, this dissertation examines the function of the North Carolina road network with an interest in impacts caused by weather-related road closures. Using an 8-year archive of historical weather-related road closures across the state, results in Chapter 2 indicate that the state has experienced both acute and cumulative impacts to free-flow travel time from these closures-with rural areas in the state emerging as the most impacted regions. Using a 100-year modeled flood event, Chapter 3 examines road segment-level routing change to local hospitals in rural areas and determines that flood events dramatically change network flow on non-closed roads-increasing concentration on lower-order roads and prioritizing alternative paths not seen in the pre-flood scenario. Finally, Chapter 4 proposes a simple metric to track redundancy (the availability of alternative routes) and applies it to rural census block groups across the state. The results indicate that even among rural areas, which are homogenized in the literature on road network function, there is high variability in redundancy. In total, this dissertation contributes to existing literature by maintaining an analytical focus on rural areas and a methodological focus on improving existing metrics for analyzing road network function using graph theory.

Subject Added Entry-Topical Term  

Geography.

Subject Added Entry-Topical Term  

Applied mathematics.

Subject Added Entry-Topical Term  

Climate change.

Index Term-Uncontrolled  

Graph theory

Index Term-Uncontrolled  

Weather-related road closures

Index Term-Uncontrolled  

Rural areas

Index Term-Uncontrolled  

Road network function

Added Entry-Corporate Name  

The University of North Carolina at Chapel Hill Geography

Host Item Entry  

Dissertations Abstracts International. 86-06B.

Electronic Location and Access  

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Control Number  

joongbu:654579