{"id":993,"date":"2016-04-05T19:44:49","date_gmt":"2016-04-05T19:44:49","guid":{"rendered":"http:\/\/newvista.cira.colostate.edu\/Improve\/?page_id=993"},"modified":"2026-02-19T19:41:44","modified_gmt":"2026-02-19T19:41:44","slug":"final-report-prevent","status":"publish","type":"page","link":"https:\/\/vista.cira.colostate.edu\/Improve\/final-report-prevent\/","title":{"rendered":"Final Report &#8211; PREVENT"},"content":{"rendered":"\n<p class=\"has-text-align-left\">The Pacific Northwest Regional Visibility Experiment Using Natural Tracers<\/p>\n\n\n\n<p><b>Principal Authors: William C. Malm<sup>1<\/sup>, Kristi Gebhart<sup>1<\/sup>, John Molenar<sup>2<\/sup>, Robert Eldred<sup>3<\/sup>, Halstead Harrison<sup>4<\/sup><\/b><\/p>\n\n\n\n<p>Click on the title below to view PDF files of these documents:<\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/TITLE_PREVENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Cover Page<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/vista.cira.colostate.edu\/Improve\/wp-content\/uploads\/2016\/05\/TabContentspre.pdf\" target=\"_blank\" rel=\"noopener\">Table of Contents<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/SUMMARY_PREVENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Overview and Synopsis<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/CHAP1_PREVENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Chapter 1: Introduction<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/CHAP2_PREVENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Chapter 2: Field Monitoring Program<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/CHAP3_PREVENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Chapter 3: Optical Data Analysis<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/CHAP4_PREVENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Chapter 4: Aerosol Sample Analysis<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/CHAP5_PREVENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Chapter 5: A Weather Summary for the Pacific Northwest,July 6-September 6, 1990<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/CHAP6_PREVENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Chapter 6: Characteristics of Particulate Concentrations and their Optical Properties<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/CHAP7_PREVENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Chapter 7: Aerosol Acidity<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/CHAP8_PREVENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Chapter 8: Exploration of Relationships among Aerosols<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/CHAP9_PREVENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Chapter 9: Attribution of Aerosol Species to Sources Using Chemical Mass Balance and Regression Analysis<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/CHAP10_PREVENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Chapter 10: Analysis of Air Mass Back Trajectories<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/CHAP11_PREVENT.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Chapter 11: Spatial and Temporal Patterns in Measured Data<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/appendix1_prevent.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Appendix 1-Addendum<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/appendix2_prevent.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Appendix 2<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/appendix3_prevent.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Appendix 3<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/appendix4_prevent.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Appendix 4<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/appendix5_prevent.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Appendix 5<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/appendix6_prevent.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Appendix 6<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/appendix7_prevent.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Appendix 7<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/appendix8_prevent.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Appendix 8<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/appendix9_prevent.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Appendix 9<\/a><\/p>\n\n\n\n<p class=\"has-text-align-left\"><a href=\"https:\/\/improvevisibility.org\/docs\/Publications\/Special%20Studies\/PREVENT\/appendix10_prevent.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">Appendix 10<\/a><\/p>\n\n\n\n<p><sup>1<\/sup>National Park Service-Air Resources Division<br><sup>2<\/sup>Air Resources Specialists, Inc.<br><sup>3<\/sup>Crocker Nuclear Laboratory<br><sup>4<\/sup>Wyndsoft, Inc.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Pacific Northwest Regional Visibility Experiment Using Natural Tracers Principal Authors: William C. Malm1, Kristi Gebhart1, John Molenar2, Robert Eldred3, Halstead Harrison4 Click on the title below to view PDF files of these documents: Cover Page Table of Contents Overview and Synopsis Chapter 1: Introduction Chapter 2: Field Monitoring Program Chapter 3: Optical Data Analysis [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-993","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/pages\/993","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/comments?post=993"}],"version-history":[{"count":7,"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/pages\/993\/revisions"}],"predecessor-version":[{"id":4836,"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/pages\/993\/revisions\/4836"}],"wp:attachment":[{"href":"https:\/\/vista.cira.colostate.edu\/Improve\/wp-json\/wp\/v2\/media?parent=993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}