Estimation, Calibration, and Validation of the Reno/Sparks Regional Travel Demand Model Forecasting System

Estimation, Calibration, and Validation of the Reno/Sparks Regional Travel Demand Model Forecasting System PDF Author: Barton-Aschman Associates
Publisher:
ISBN:
Category : Traffic surveys
Languages : en
Pages : 0

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Estimation, Calibration, and Validation of the Reno/Sparks Regional Travel Demand Model Forecasting System

Estimation, Calibration, and Validation of the Reno/Sparks Regional Travel Demand Model Forecasting System PDF Author: Barton-Aschman Associates
Publisher:
ISBN:
Category : Traffic surveys
Languages : en
Pages : 0

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Reno Railroad Corridor, Reno

Reno Railroad Corridor, Reno PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 446

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Calibration of a Past Year Demand Model for Model Evaluation

Calibration of a Past Year Demand Model for Model Evaluation PDF Author: David F. Pearson
Publisher:
ISBN:
Category : Traffic estimation
Languages : en
Pages : 122

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Book Description
The objective of this project was to perform an evaluation of the ability of the current modeling process in Texas to forecast travel behavior and patterns within the context of a controlled experimental design. The project attempted to calibrate travel demand models using travel surveys conducted in the San Antonio-Bexar County area in 1969. These models would then be applied to forecast travel behavior and patterns for the years 1980 and 1990, with the results compared to observed conditions. Due to data limitations, researchers did not consider the model developed for 1970 acceptable in terms of meeting the calibration criteria that were established. This negated the application of the model to 1980 and 1990 since the results could not be interpreted with any confidence. A number of recommendations on the model information needs for retention in future model calibration/validation efforts are made. The recommendations provide the basis for examining travel demand models within controlled conditions as a routine part of the modeling process.

Calibration of a Past Year Travel Demand Model for Model Evaluation

Calibration of a Past Year Travel Demand Model for Model Evaluation PDF Author: David F. Pearson
Publisher:
ISBN:
Category : Traffic estimation
Languages : en
Pages : 104

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Travel Demand Forecasting: Parameters and Techniques

Travel Demand Forecasting: Parameters and Techniques PDF Author:
Publisher:
ISBN:
Category : Traffic estimation
Languages : en
Pages : 182

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Book Description
TRB’s National Cooperative Highway Research Program (NCHRP) Report 716: Travel Demand Forecasting: Parameters and Techniques provides guidelines on travel demand forecasting procedures and their application for helping to solve common transportation problems.

Development and Calibration of Travel Demand Models for the Phoenix Area

Development and Calibration of Travel Demand Models for the Phoenix Area PDF Author: Maricopa Association of Governments. Transportation and Planning Office
Publisher:
ISBN:
Category : Origin and destination traffic surveys
Languages : en
Pages : 240

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Urban Stormwater Management in the United States

Urban Stormwater Management in the United States PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309125391
Category : Nature
Languages : en
Pages : 611

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Book Description
The rapid conversion of land to urban and suburban areas has profoundly altered how water flows during and following storm events, putting higher volumes of water and more pollutants into the nation's rivers, lakes, and estuaries. These changes have degraded water quality and habitat in virtually every urban stream system. The Clean Water Act regulatory framework for addressing sewage and industrial wastes is not well suited to the more difficult problem of stormwater discharges. This book calls for an entirely new permitting structure that would put authority and accountability for stormwater discharges at the municipal level. A number of additional actions, such as conserving natural areas, reducing hard surface cover (e.g., roads and parking lots), and retrofitting urban areas with features that hold and treat stormwater, are recommended.

HEC-6

HEC-6 PDF Author:
Publisher:
ISBN:
Category : HEC-6 (Computer program)
Languages : en
Pages : 18

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National Earthquake Resilience

National Earthquake Resilience PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309186773
Category : Science
Languages : en
Pages : 197

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Book Description
The United States will certainly be subject to damaging earthquakes in the future. Some of these earthquakes will occur in highly populated and vulnerable areas. Coping with moderate earthquakes is not a reliable indicator of preparedness for a major earthquake in a populated area. The recent, disastrous, magnitude-9 earthquake that struck northern Japan demonstrates the threat that earthquakes pose. Moreover, the cascading nature of impacts-the earthquake causing a tsunami, cutting electrical power supplies, and stopping the pumps needed to cool nuclear reactors-demonstrates the potential complexity of an earthquake disaster. Such compound disasters can strike any earthquake-prone populated area. National Earthquake Resilience presents a roadmap for increasing our national resilience to earthquakes. The National Earthquake Hazards Reduction Program (NEHRP) is the multi-agency program mandated by Congress to undertake activities to reduce the effects of future earthquakes in the United States. The National Institute of Standards and Technology (NIST)-the lead NEHRP agency-commissioned the National Research Council (NRC) to develop a roadmap for earthquake hazard and risk reduction in the United States that would be based on the goals and objectives for achieving national earthquake resilience described in the 2008 NEHRP Strategic Plan. National Earthquake Resilience does this by assessing the activities and costs that would be required for the nation to achieve earthquake resilience in 20 years. National Earthquake Resilience interprets resilience broadly to incorporate engineering/science (physical), social/economic (behavioral), and institutional (governing) dimensions. Resilience encompasses both pre-disaster preparedness activities and post-disaster response. In combination, these will enhance the robustness of communities in all earthquake-vulnerable regions of our nation so that they can function adequately following damaging earthquakes. While National Earthquake Resilience is written primarily for the NEHRP, it also speaks to a broader audience of policy makers, earth scientists, and emergency managers.

Aviation Meteorology: Observations and Models

Aviation Meteorology: Observations and Models PDF Author: Ismail Gultepe
Publisher: Birkhäuser
ISBN: 9783030309817
Category : Science
Languages : en
Pages : 0

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Book Description
This Topical Volume focuses on aviation meteorology for operations and research, covering important topics related to wind and turbulence, visibility, fog and precipitation, convection and lightning, icing, blowing snow, and ice cloud microphysics and dynamics. In addition to forecasting issues, the impact of climate on aviation operations is also highlighted, as temperature and moisture changes can affect aircraft aerodynamic conditions, such as lift and drag forces. This work uses measurements from state of art in-situ instruments and simulation results from numerical weather prediction (NWP) and climate models. New technologies related to satellites, radars, lidars, and UAVs (Unmanned Aerial Vehicles) are described, as well as new analysis methods related to artificial intelligence (AI) and neural network systems. Use of remote sensing platforms, including satellites, radars, radiometers, ceilometers, sodars, and lidars, as well as knowledge of the in-situ observations for the monitoring and short-term forecasting of wind, turbulence, gust, clear air turbulence (CAT), low visibility due to fog and clouds, and precipitation types are required for aviation operations at the airports and high level flying conditions. This book provides extensive knowledge for aviation-related meteorological processes and events that include short and long term prediction of high impact weather systems. Aviation experts, weather offices, pilots, university students, postgraduates, and researchers interested in aviation and meteorology, including new instruments for measurements applicable to forecasting and nowcasting, can benefit from consulting and reading this book. This book provides a comprehensive overview of our existing knowledge and the numerous remaining difficulties in predicting and measuring issues related to wind and turbulence, convection, fog and visibility, various cloud types, icing, and ice clouds at various time and space scales. Previously published in Pure and Applied Geophysics, Volume 176, Issue 5, 2019