“Atmospheric
deposition of chemicals, such as sulfate and nitrate, can cause some surface
water bodies to become acidic and may influence species survival and
reproduction, especially in small headwaters catchments lacking significant
inflow of neutralizing ground water. Also, ammonia volatilized from some
agricultural activities can be deposited as nitrate in areas far from the
origin, and may contribute to nutrient imbalances, water quality problems and
long-term population changes in dominant plant species. Long distance transport
of pesticide spray drift is also an emerging research topic. Overall,
considerably more progress has been made in studies of "wet"
deposition mechanisms versus that on the "dry" deposition of
pollutants.”[1]
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Generally:
Atmospheric Deposition and Hypoxia: