Spatial and Seasonal Patterns and Temporal Variability of Haze and its Constituents in the United States: Report V June 2011

Principal Author: Jenny L. Hand¹

Contributors listed in alphabetical order:
Scott A. Copeland¹, Derek E. Day¹, Ann M. Dillner², Hege Indresand², William C. Malm¹, Chuck E. McDade², Charles T. Moore³, Marc L. Pitchford⁴, Bret A. Schichtel⁵, John G. Watson⁶

The Entire Document (22 megs)
Cover and Table of Contents
Overview and Summary
Chapter 1 – IMPROVE Network – Configuration and Measurements
Chapter 2 – Spatial Patterns of Speciated PM_2.5 Aerosol Mass Concentrations
Chapter 3 – Reconstructed Aerosol Light Extinction Coefficients
Chapter 4 – Seasonal Distributions of PM_2.5 Aerosol Mass Concentrations
Chapter 5 – Seasonal Distribution of PM_2.5 Reconstructed Aerosol Light Extinction Coefficients
Chapter 6 – Trends in IMPROVE Speciated Aerosol Concentrations
Chapter 7 – Urban Excess in PM_2.5 Speciated Aerosol Concentrations
Chapter 8 – Uncertainties in PM_2.5 Gravimetric and Speciation Measurements
Chapter 9 – Regional Haze Rule Progress Tracking Metrics
Chapter 10 – X-Ray Fluorescence Reference Materials from an Aerosol Generation System
Chapter 11 – Ammonia and Ammonium Measurements from Passive, Modified IMPROVE and CASTNET Samplers
Chapter 12 – IMPROVE Measurements Bibliography
Appendix A – Comparisons between 2005-2008 Data from Collocated IMPROVE and CSN Sites
Appendix B – Annual Mean Mass Concentrations and PM_2.5 Mass Fractions for Each Site for IMPROVE and CSN for 2005-2008
Appendix C – Annual Mean Reconstructed Light Extinction Coefficients and PM_2.5 Extinction Fraction for Each Site for IMPROVE and CSN for 2005-2008
Appendix D – Regional Monthly0 Mean Mass Concentrations and PM_2.5 Mass Fractions for IMPROVE and CSN for 2005-2008
Appendix D – Regional Monthly Mean Mass Concentration Bar Charts for IMPROVE and CSN for 2005-2008
Appendix D – Regional Monthly Mean PM_2.5 Mass Fraction Bar Charts for IMPROVE and CSN for 2005-2008
Appendix E – Regional Monthly Mean Reconstructed Light Extinction Coefficients and PM_2.5 Extinction Fraction for IMPROVE and CSN for 2005-2008
Appendix E – Regional Monthly Mean Reconstructed Light Extinction Coefficient Bar Charts for IMPROVE and CSN for 2005-2008
Appendix E – Regional Monthly Mean PM2.5 Extinction Fraction Bar Charts for IMPROVE and CSN for 2005-2008
Appendix F – Long-term (1989-2008) Trends in IMPROVE Speciated Mass Concentrations
Appendix F2 – Short-term (2000-2008) Trends in IMPROVE Speciated Mass Concentrations
Appendix F3 – Visualization of Trends using Win Haze
Appendix G – Regional Haze Rule IMPROVE Progress Tracking Site Data Results by State

Data (Excel Files)

¹ Cooperative Institute for Research in the Atmosphere (CIRA), Colorado State University

²Crocker Nuclear Laboratory, University of California, Davis

³Western Governors’ Association, Western Regional Air Partnership

⁴ National Oceanic and Atmospheric Administration, Desert Research Institute

⁵ National Park Service, Fort Collins, Colorado

⁶ Desert Research Institute, Reno, Nevada