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Spatial and seasonal patterns and temporal variability of haze and its constituents in the United States: report IV



This report is the fourth in a series of periodic reports that describe the data collected by the Interagency Monitoring of Protected Visual Environments (IMPROVE) monitoring network. IMPROVE is a cooperative visibility monitoring effort between the U.S. Environmental Protection Agency (EPA), federal land management agencies, and state air agencies.
November 2006.

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Haze -- United States -- Analysis
Aerosols -- Optical properties
Aerosols -- Observations -- Analysis
Meteorological optics
Visibility -- Research -- United States
Air -- Pollution -- Environmental aspects -- United States


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