Patterns of Atmospheric Deposition

Because of their relatively high elevations and their proximity to sources of pollution on the east coast and in the Midwest, the Catskill Mountains receive among the highest rates of sulfur and nitrogen deposition in the Northeast (Ollinger et al. 1993).

We have found that high-elevation ecosystems of the mountains receive higher rates of precipitation, dry deposition (particles and gases) and cloud water deposition than low-elevation areas (Weathers et al. 2000, Lovett et al. 1999). Forest edges at high elevation are particularly exposed to pollutant deposition, and may receive up to four times the pollutant load of forests at low elevations (Weathers et al. 1995, Weathers et al. 2000).

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