A Comprehensive Development Plan for a Multimodal Noise and Emissions Model (2010) / Chapter Skim
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v research also examined how environmental analysis is currently done with existing models; pointing to potential utility for a future multimodal model. What are the impediments to successful implementation?
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1-1 CHAPTER 1. INTRODUCTION This document describes the Model Development Plan (MDP)
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1-2 be a continuation of the model development rather than starting anew each time. It is difficult to determine the exact timeline for each build due to resource uncertainty.
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1-3 It was also recognized by the research team that initiating the Build sequence with a simulation model could have substantial pitfalls. Primary among these were the need to develop new source data, the lack of precise vehicle time-space-position information across the modes, and increased computer run time.
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1-4 1.3. Developmental Goals Section B.7 of Appendix B describes the winning model design.
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1-5 TABLE 1-1 Noise, Air Quality and Related Models in Use or Developed by Federal Stakeholder Agencies Transportation Mode Air Ground Water Rail Noise AAM (NMSIM + RNM) AEDT HNM INM NIRS NOISEMAP CREATE HICNM Horn Model HSRNOISE RCNM TNM Spreadsheet: Guidance on Assessing Noise and Vibration Impacts Emissions AEDT EDMS AEDT EDMS EMIT MOBILE6 MOVES NONROAD2005 EPA AP-42 Emission Factors EPA AP-42 Emission Factors Atmospheric Dispersion AEDT EDMS (AERMOD)
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1-6 • Current analyses are conducted by teams, with each team member adding specific expertise in one or two technical fields. If preparation and running of the model is significantly more time consuming and expensive than use of current models, the simpler project and less experienced user will be disadvantaged.
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1-7 some scientific gaps, but the scope of this document, including estimated schedule and resources, does not include the research effort required to address these scientific gaps. Single model concept advancement of a multimodal tool: The advancement of a single model concept of a multimodal tool would require not only inclusion of the existing single-mode models beginning in Build 3, but would require that these models be integrated more completely with each Build.
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