Spatial and Seasonal Patterns and Temporal Variability of Haze and its Constituents in the United States Report IV: November 2006

Principle Author:  Linsey J. Debell¹

Contributors: Kristi A. Gebhart², William C. Malm², Marc L. Pitchford³, Bret A. Schichtel² and Warren H. White⁴

The Entire Document (18 megs)

Cover Page

Title Page and Table of Contents

Overview and Summary

Chapter 1  – IMPROVE Network – Purpose, Design, and History

Chapter 2 – Spatial Distributions of Reconstructed Mass and Mass Budgets and Reconstructed Light Extinction and Light-Extinction Budgets

 Chapter 3 – Spatial Variability of Average Monthly Patterns in Fine Aerosol Species Concentrations and Particulate Extinction Coefficients

Chapter 4 – Temporal Trends in Fine Aerosol Species Concentrations and Aerosol Extinction

Chapter 5 – IMPROVE Data Quality Assurance

Chapter 6 – Special Monitoring Studies and Data Analyses Associated with the IMPROVE Program

Chapter 7 – Bibliography of Journal Articles using IMPROVE Data

Appendix A – Annual Average Reconstructed Fine Mass and Aerosol Extinction Budgets for Each Site

Appendix B – Seasonal and Annual Regional Reconstructed Fine Mass and Reconstructed Extinction Budgets

Appendix C – Average Monthly Bar Charts of Reconstructed Mass and Extinction of Constituent Species for each IMPROVE site

Appendix D – Articles Reporting on the Results from IMPROVE Special Monitoring Studies Conducted since 2000

Appendix E – An Assessment of Measurement Errors in the IMPROVE and STN Networks from In-Network and Cross-Network Collocated Data and the Estimated Comparability of Data Collected From the Two Networks

¹Cooperative Institute for Research in the Atmosphere (CIRA)

²National Park Service (NPS)

³National Oceanic and Atmospheric Administration (NOAA)

^{4University of  California, Davis}