Air quality related values (AQRVs) for Mojave Desert Network (MOJN) parks: Effects from ozone; visibility reducing particles; and atmospheric deposition of acids, nutrients and toxics

Sullivan TJ. 2016. Air quality related values (AQRVs) for Mojave Desert Network (MOJN) parks: Effects from ozone; visibility reducing particles; and atmospheric deposition of acids, nutrients and toxics. Natural Resource Report. NPS/MOJN/NRR—2016/1170. National Park Service. Fort Collins, Colorado

This report describes the Air Quality Related Values (AQRVs) of the Mojave Desert Network (MOJN). AQRVs are those resources sensitive to air quality and include streams, lakes, soils, vegetation, fish and wildlife, and visibility. The MOJN parks that are included in the NPS Inventory and Monitoring (I&M) Program, and discussed in this report, are Death Valley National Park (DEVA), Great Basin National Park (GRBA), Joshua Tree National Park (JOTR), Lake Mead National Recreation Area (LAKE), Manzanar National Historic Site (MANZ), and Mojave National Preserve (MOJA). JOTR is designated as a Class I park, giving it a heightened level of protection against harm caused by poor air quality under the Clean Air Act (CAA). Data are generally lacking for Grand Canyon-Parashant National Monument (PARA), and it is not addressed in this report. Sullivan et al. (2011a, 2011b) and Kohut (2007a) conducted risk assessments for acidification, eutrophication, and ozone (O3) for the MOJNN parks; their results are described in this report. This report also describes air pollutant emissions and air quality in the MOJN, and their effects on AQRVs. The primary pollutants likely to affect AQRVs include nitrogen (N) and sulfur (S) compounds (nitrate [NO3-], ammonium [NH4+], and sulfate [SO42-]); ground-level ozone (O3); haze-causing particles; and airborne toxics. Background for this section can be found in “Air quality related values (AQRVs) in national parks: Effects from ozone; visibility reducing particles; and atmospheric deposition of acids, nutrients and toxics” (Sullivan 2016). File size: 3.2 MB

Type
Published Report
Authors
Sullivan, Timothy
Date of Issue
2016-03-24
Publisher
National Park Service
Units
DEVA , GRBA , JOTR , LAKE , MANZ , MOJA , MOJN , NRSS , PARA
Keywords
Acidification, Air Quality Related Values, Airborne Toxics, AQRV, Critical loads, Deposition, Emissions, Nitrogen, Ozone, Sulfur, Visibility
Subjects
Ecological Framework: Air and Climate | Air Quality | Ozone , Ecological Framework: Air and Climate | Air Quality | Wet and Dry Deposition , Ecological Framework: Air and Climate | Air Quality | Visibility and Particulate Matter , Ecological Framework: Air and Climate | Air Quality | Air Contaminants

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