Download or read book Hurricane Evacuation Time Estimate Study written by Innovative Emergency Management, Inc and published by . This book was released on 1990 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hurricane Evacuation Time Estimate Study Metropolitan New Orleans Region written by Innovative Emergency Management, Inc and published by . This book was released on 1990 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hurricane Evacuation Time Estimate Study Metropolitan New Orleans Area written by Innovative Emergency Management and published by . This book was released on 1990 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hurricane Evacuation written by Vinayak V. Dixit and published by . This book was released on 2008 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Modeling Hurricane Evacuation Traffic written by Haoqiang Fu and published by . This book was released on 2006 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: Little attention has been given to estimating dynamic travel demand in transportation planning in the past. However, when factors influencing travel are changing significantly over time - such as with an approaching hurricane - dynamic demand and the resulting variation in traffic flow on the network become important. In this study, dynamic travel demand models for hurricane evacuation were developed with two methodologies: survival analysis and sequential choice model. Using survival analysis, the time before evacuation from a pending hurricane is modeled with those that do not evacuate considered as censored observations. A Cox proportional hazards regression model with time-dependent variables and a Piecewise Exponential model were estimated. In the sequential choice model, the decision to evacuate in the face of an oncoming hurricane is considered as a series of binary choices over time. A sequential logit model and a sequential complementary log-log model were developed. Each model is capable of predicting the probability of a household evacuating at each time period before hurricane landfall as a function of the household's socio-economic characteristics, the characteristics of the hurricane (such as distance to the storm), and policy decisions (such as the issuing of evacuation orders). Three datasets were used in this study. They were data from southwest Louisiana collected following Hurricane Andrew, data from South Carolina collected following Hurricane Floyd, and stated preference survey data collected from the New Orleans area. Based on the analysis, the sequential logit model was found to be the best alternative for modeling dynamic travel demand for hurricane evacuation. The sequential logit model produces predictions which are superior to those of the current evacuation participation rate models with response curves. Transfer of the sequential logit model estimated on the Floyd data to the Andrew data demonstrated that the sequential logit model is capable of estimating dynamic travel demand in a different environment than the one in which it was estimated with reasonable accuracy. However, more study is required on the transferability of models of this type, as well as the development of procedures that would allow the updating of transferred model parameters to better reflect local evacuation behavior.
Download or read book Critical Behavioral Assumptions in Evacuation Time Estimate Analysis for Private Vehicles written by Michael K. Lindell and published by . This book was released on 2007 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Capturing Pre evacuation Trips and Associative Delays written by and published by . This book was released on 2008 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: The time it takes for the residents to evacuate an area is calculated as an evacuation time estimate (ETE). In theory, these time estimates are calculated based on a number of inputs, including clearance time, the impact of traffic management techniques, and the time for the public to prepare to evacuate (Dow, 2000). Evacuation models can calculate clearance times, as well as incorporate the temporal impact of traffic management techniques, like contra-flow traffic. However, these models do not include delays associated with pre-evacuation trips. Because these trips are not well represented in hurricane evacuation models, the evacuation time estimate may be miscalculated (Wilmot and Mei, 2004). In order to capture pre-evacuation trip behavior, an online survey of residents' responses to the evacuation order associated with Hurricane Wilma in 2005 was conducted. Survey data gathered from the residents of Key West, Florida indicate seven important aspects of preevacuation trip making behavior: (1) Socio-demographic variables, which have some association with evacuation behavior, were found to have a very weak to no association with pre-evacuation trip-making; (2) Socio-demographic variables were found to have an association with predicting evacuation behavior for respondents making pre-evacuation trips, and these associations are consistent to what has been found in other studies of evacuation behavior; (3) Delays at stops are longer than delays on links; (4) Trip delays are associated with trip purpose; (5) Residents did not travel from a single origin point directly to an evacuation point, but made various preevacuation trips, often exhibiting trip chaining that included traveling toward as well as away from the city; (6) Though the Key West mandatory evacuation for Hurricane Wilma consisted of a phased evacuation based on housing types, the residents did not evacuate based on housing type, and (7) the personal stories offered by respondents indicate that evacuating or not is often related to job requirements, economic opportunity, previous evacuation experience, and evacuation burnout.
Download or read book Large Scale Evacuation written by Michael K. Lindell and published by CRC Press. This book was released on 2018-12-07 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: Large-Scale Evacuation introduces the reader to the steps involved in evacuation modelling for towns and cities, from understanding the hazards that can require large-scale evacuations, through understanding how local officials decide to issue evacuation advisories and households decide whether to comply, to transportation simulation and traffic management strategies. The author team has been recognized internationally for their research and consulting experience in the field of evacuations. Collectively, they have 125 years of experience in evacuation, including more than 140 projects for federal and state agencies. The text explains how to model evacuations that use the road transportation network by combining perspectives from social scientists and transportation engineers, fields that have commonly approached evacuation modelling from distinctly different perspectives. In doing so, it offers a step-by-step guide through the key questions needed to model an evacuation and its impacts to the evacuation route system as well as evacuation management strategies for influencing demand and expanding capacity. The authors also demonstrate how to simulate the resulting traffic and evacuation management strategies that can be used to facilitate evacuee movement and reduce unnecessary demand. Case studies, which identify key points to analyze in an evacuation plan, discuss evacuation termination and re-entry, and highlight challenges that someone developing an evacuation plan or model should expect, are also included. This textbook will be of interest to researchers, practitioners, and advanced students.
Download or read book The Emergency Evacuation of Cities written by Wilbur Zelinsky and published by Rowman & Littlefield Publishers. This book was released on 1991 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: 'A pioneering work in disaster research and social geography....The nontechnical approach and lively writing style make the volume especially accessible, and the authors support their work with numerous tables, diagrams, and maps....Highly recommended as a basic social science holding that will also greatly interest planners and policy scientists.'- CHOICE
Download or read book Hurricane Evacuation Modeling written by Lei Fang (Engineer) and published by . This book was released on 2013 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hurricane evacuation has attracted renewed emphasis since hurricane Katrina in 2005. Every coastal state is establishing their evacuation guidelines and searching new methods to improve evacuations. In this dissertation, first, hurricane evacuation of the Hampton Roads region of Virginia is investigated using large-scale regional mesoscopic traffic simulation models. Fourteen evacuation scenarios consisting of various combinations of storm categories and traffic control strategies are evaluated. The evaluation of scenarios provided information on the clearance time, average travel times, bottleneck locations, and congestion durations. The major findings from scenario evaluations include: (1) The differences in participation rates (100% versus 70%) did not impact the clearance times in a Category 1 storm evacuation, but have significant impact in a Category 3 storm evacuation, (2) The status (open or close) of a critical tunnel crossing, the Monitor-Merrimac Memorial Bridge-Tunnel did not have impact on the evacuation performance in Category 1 and 2 storm. However, opening the tunnel would improve the performance in a Category 3 storm, (3) The clearance times derived from simulations can be used to determine when to issue evacuation orders for various storm intensities, and (4) The bottleneck locations and durations identified for each evacuation scenario can be used to allocate the limited traffic monitoring equipment during an evacuation. The second focus of this dissertation is to investigate the impact of assumptions made regarding evacuee route choice on evacuation performance estimates. In the hurricane evacuation literature, very few studies have documented the realistic route choice behavior of evacuees during a hurricane. Due to this lack of realistic route choice behavior data, modelers make assumptions about the route choice behavior and traffic assignment. User-equilibrium traffic assignment has been extensively used in past evacuation studies. In this dissertation, realistic route choice behavior was determined by evaluating findings of a few published studies. The impact of route choice behavior on evacuation performance, especially travel times, is then investigated using the regional simulation model of the Hampton Roads region. The analysis found that the user-equilibrium traffic assignment significantly underestimates the travel times during an evacuation. The extent of underestimation of evacuation travel times depends on the total evacuation demand (a function of storm intensity), and the percent of evacuees willing to use en-route information to seek alternate routes when facing congestion. For the three en-route percentages reported in the literature i.e., 30%, 50%, and 70%, the UE travel times were 58%, 42%, and 33% lower than actual travel times realized in a Category 1; 94%, 71%, and 57% lower in a Category 2; and 90%, 69%, and 54% lower in a Category 3 evacuation. These findings illustrate the need to collect real-world data on evacuee route choice in order to build accurate evacuation models. The third focus of dissertation is to propose a procedure to assess the benefit of adding additional intermediate crossovers on a contra flow facility. Contra flow operation in which the direction of traffic on one or more travel lanes is reversed in order to increase the capacity of a road network is becoming a critical component of the evacuation plans of coastal states. Several coastal states have a contra flow plan in place for evacuation, however only a few states have intermediate crossovers between the origin and termination points. The impact of intermediate crossovers on network performance has not been well investigated in previous research. This dissertation investigates the benefits of having intermediate crossovers between regular and contra flow lanes. Based on the investigation, it can be concluded that adding intermediate crossovers did improve network performance for medium and high evacuation demand situations. Adding intermediate crossovers for low demand situations did not improve the network performance and thus any considerations for intermediate crossovers for the low demand evacuations must be based solely on providing access to road-side services (gas, food, and others). For high and medium demand situations and for the road network studied in this section, a 28% improvement in the average travel time was observed by deploying four intermediate crossovers out of the 44 potential crossover locations. The iterative elimination procedure proposed in this dissertation is the first attempt in the literature to provide a systematic approach to determine the critical intermediate crossover locations within reasonable computation times.
Download or read book Handbook of Disaster Risk Reduction for Resilience written by Saeid Eslamian and published by Springer Nature. This book was released on 2021-06-14 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is part of a six-volume series on Disaster Risk Reduction and Resilience. The series aims to fill in gaps in theory and practice in the Sendai Framework, and provides additional resources, methodologies and communication strategies to enhance the plan for action and targets proposed by the Sendai Framework. The series will appeal to a broad range of researchers, academics, students, policy makers and practitioners in engineering, environmental science and geography, geoscience, emergency management, finance, community adaptation, atmospheric science and information technology. This volume discusses how to measure and build disaster resilience at society’s capacity, drawing upon individual, institutional and collective resources to cope with and adapt to the demands and challenges of natural disaster occurrences. The book will serve as a guide, outlining the key indicators of disaster resilience in urban and rural settings, and the resources and strategies needed to build resilient communities in accordance with the targets of the Sendai Framework. Readers will learn about multi-risk reduction approaches using computational methods, data mining techniques, and System Thinking at various scales, as well as institutional and infrastructure resilience strategies based on several case studies.
Download or read book Estimating Evacuation Time Components written by M. K. Lindell and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Large Scale Evacuation written by Michael K. Lindell and published by CRC Press. This book was released on 2018-12-07 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: Large-Scale Evacuation introduces the reader to the steps involved in evacuation modelling for towns and cities, from understanding the hazards that can require large-scale evacuations, through understanding how local officials decide to issue evacuation advisories and households decide whether to comply, to transportation simulation and traffic management strategies. The author team has been recognized internationally for their research and consulting experience in the field of evacuations. Collectively, they have 125 years of experience in evacuation, including more than 140 projects for federal and state agencies. The text explains how to model evacuations that use the road transportation network by combining perspectives from social scientists and transportation engineers, fields that have commonly approached evacuation modelling from distinctly different perspectives. In doing so, it offers a step-by-step guide through the key questions needed to model an evacuation and its impacts to the evacuation route system as well as evacuation management strategies for influencing demand and expanding capacity. The authors also demonstrate how to simulate the resulting traffic and evacuation management strategies that can be used to facilitate evacuee movement and reduce unnecessary demand. Case studies, which identify key points to analyze in an evacuation plan, discuss evacuation termination and re-entry, and highlight challenges that someone developing an evacuation plan or model should expect, are also included. This textbook will be of interest to researchers, practitioners, and advanced students.
Download or read book Environmental Public Health Impacts of Disasters written by Institute of Medicine and published by National Academies Press. This book was released on 2007-06-13 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Public health officials have the traditional responsibilities of protecting the food supply, safeguarding against communicable disease, and ensuring safe and healthful conditions for the population. Beyond this, public health today is challenged in a way that it has never been before. Starting with the 9/11 terrorist attacks, public health officers have had to spend significant amounts of time addressing the threat of terrorism to human health. Hurricane Katrina was an unprecedented disaster for the United States. During the first weeks, the enormity of the event and the sheer response needs for public health became apparent. The tragic loss of human life overshadowed the ongoing social and economic disruption in a region that was already economically depressed. Hurricane Katrina reemphasized to the public and to policy makers the importance of addressing long-term needs after a disaster. On October 20, 2005, the Institute of Medicine's Roundtable on Environmental Health Sciences, Research, and Medicine held a workshop which convened members of the scientific community to highlight the status of the recovery effort, consider the ongoing challenges in the midst of a disaster, and facilitate scientific dialogue about the impacts of Hurricane Katrina on people's health. Environmental Public Health Impacts of Disasters: Hurricane Katrina is the summary of this workshop. This report will inform the public health, first responder, and scientific communities on how the affected community can be helped in both the midterm and the near future. In addition, the report can provide guidance on how to use the information gathered about environmental health during a disaster to prepare for future events.
Download or read book A Safer Future written by National Research Council and published by National Academies Press. This book was released on 1991-02-01 with total page 85 pages. Available in PDF, EPUB and Kindle. Book excerpt: Initial priorities for U.S. participation in the International Decade for Natural Disaster Reduction, declared by the United Nations, are contained in this volume. It focuses on seven issues: hazard and risk assessment; awareness and education; mitigation; preparedness for emergency response; recovery and reconstruction; prediction and warning; learning from disasters; and U.S. participation internationally. The committee presents its philosophy of calls for broad public and private participation to reduce the toll of disasters.
Download or read book Guide for All Hazard Emergency Operations Planning written by Kay C. Goss and published by DIANE Publishing. This book was released on 1998-05 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt: Meant to aid State & local emergency managers in their efforts to develop & maintain a viable all-hazard emergency operations plan. This guide clarifies the preparedness, response, & short-term recovery planning elements that warrant inclusion in emergency operations plans. It offers the best judgment & recommendations on how to deal with the entire planning process -- from forming a planning team to writing the plan. Specific topics of discussion include: preliminary considerations, the planning process, emergency operations plan format, basic plan content, functional annex content, hazard-unique planning, & linking Federal & State operations.
Download or read book Modeling Decision Making Related to Incident Delays During Hurricane Evacuations written by Robert Michael Robinson and published by . This book was released on 2010 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
