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User x27 s guide for cl4 a user friendly interface for the caline 4 model for transportation project impact assessments

USER'S GUIDE FOR CL A USER-FRIENDLY INTERFACE FOR THE CALINE MODEL FOR TRANSPORTATION PROJECT IMPACT ASSESSMENTS USER'S GUIDE STI- - -UG By Dana L Coe Douglas S Eisinger Je ?rey D Prouty Sonoma Technology Inc Petaluma CA Tom Kear Caltrans - U C Davis Air Quality Project Sacramento CA Prepared for Caltrans - U C Davis Air Quality Project Sacramento CA June CUSER'S GUIDE FOR CL A USER-FRIENDLY INTERFACE FOR THE CALINE MODEL FOR TRANSPORTATION PROJECT IMPACT ASSESSMENTS USER'S GUIDE STI- - -UG By Dana L Coe Douglas S Eisinger Je ?rey D Prouty Sonoma Technology Inc Redwood Way Suite C Petaluma CA - Tom Kear Caltrans - U C Davis Air Quality Project N Street Sacramento CA - Prepared for Caltrans - U C Davis Air Quality Project N Street Sacramento CA - June CACKNOWLEDGMENTS The CL development team would like to acknowledge the technical reviewers from the University of California at Davis including Dr Deb Niemeier Dan Chang Yu Meng and Tony Held The technical reviewers generously contributed their time and suggestions throughout the development of the CL software and user's guide iii CTABLE OF CONTENTS Section Page LIST OF FIGURES vii LIST OF TABLES vii INTRODUCTION - INSTALLATION OF CL - GETTING STARTED - Create and Save a New Job - Open a Previously Saved Job - Enter Data - Run CALINE View and Save Output Files - FOR MORE HELP WITH CALINE - DETAILED USER INFORMATION - CL MENU ITEMS - DATA ENTRY SCREENS - Job Parameters Screen - Link Geometry Screen - Link Activity Screen - Run Conditions Screen - Receptor Positions Screen - CALINE OUTPUT FILE - EXAMPLE JOBS INCLUDED WITH CL - REFERENCES - v CLIST OF FIGURES Figure Page - CL user interface Job Parameters data entry screen - - Link Geometry data entry screen - - Illustration of link heights - - Link Activity data entry screen - - Run Conditions data entry screen - - Receptor Positions data entry screen - - Example of a CALINE output ?le - LIST OF TABLES Table Page - Aerodynamic Roughness Coe ?cient de ?ned for various types of landscapes - - Worst-case meteorological inputs for the estimation of -hour CO concentrations - vii C INTRODUCTION CALINE Caltrans is a dispersion model that predicts carbon monoxide CO impacts near roadways Its purpose is to help planners protect public health from the adverse e ?ects of excessive CO exposure The Caltrans publication Transportation Project-Level Carbon Monoxide Protocol CO Protocol Garza et al recommends the use of CALINE when a proposed transportation project fails an initial screening analysis described in Appendix A of the CO Protocol and therefore requires a more detailed analysis CALINE is a simple line source Gaussian plume dispersion model The user de ?nes the proposed roadway geometry worst-case meteorological parameters anticipated tra ?c volumes and receptor positions The user must also de ?ne CO emission factors for each roadway link CO emission factors should be generated with the California Air Resources Board