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Navigating Disruptions: Examining Weather-Induced Road Closures and Structural Vulnerabilities in North Carolina's Road Network
Navigating Disruptions: Examining Weather-Induced Road Closures and Structural Vulnerabilities in North Carolina's Road Network
상세정보
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20250211153038
- ISBN
- 9798346868590
- DDC
- 910
- 저자명
- Cardwell, Julia.
- 서명/저자
- Navigating Disruptions: Examining Weather-Induced Road Closures and Structural Vulnerabilities in North Carolinas Road Network
- 발행사항
- [Sl] : The University of North Carolina at Chapel Hill, 2024
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2024
- 형태사항
- 112 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 86-06, Section: B.
- 주기사항
- Advisor: Konrad, Charles;Delamater, Paul.
- 학위논문주기
- Thesis (Ph.D.)--The University of North Carolina at Chapel Hill, 2024.
- 초록/해제
- 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.
- 일반주제명
- Geography
- 일반주제명
- Applied mathematics
- 일반주제명
- Climate change
- 키워드
- Graph theory
- 키워드
- Rural areas
- 기타저자
- The University of North Carolina at Chapel Hill Geography
- 기본자료저록
- Dissertations Abstracts International. 86-06B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■007cr#unu||||||||
■020 ▼a9798346868590
■035 ▼a(MiAaPQ)AAI31638348
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a910
■1001 ▼aCardwell, Julia.
■24510▼aNavigating Disruptions: Examining Weather-Induced Road Closures and Structural Vulnerabilities in North Carolina's Road Network
■260 ▼a[Sl]▼bThe University of North Carolina at Chapel Hill▼c2024
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2024
■300 ▼a112 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 86-06, Section: B.
■500 ▼aAdvisor: Konrad, Charles;Delamater, Paul.
■5021 ▼aThesis (Ph.D.)--The University of North Carolina at Chapel Hill, 2024.
■520 ▼aWeather-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.
■590 ▼aSchool code: 0153.
■650 4▼aGeography
■650 4▼aApplied mathematics
■650 4▼aClimate change
■653 ▼aGraph theory
■653 ▼aWeather-related road closures
■653 ▼aRural areas
■653 ▼aRoad network function
■690 ▼a0366
■690 ▼a0404
■690 ▼a0364
■71020▼aThe University of North Carolina at Chapel Hill▼bGeography.
■7730 ▼tDissertations Abstracts International▼g86-06B.
■790 ▼a0153
■791 ▼aPh.D.
■792 ▼a2024
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17164737▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.


