Historical evidence for a dramatic increase in the nitrate component of acid rain

  title={Historical evidence for a dramatic increase in the nitrate component of acid rain},
  author={Peter Brimblecombe and Donald H. Stedman},
The concentrations of nitrate and ammonium ion in rainfall have an important effect on precipitation pH. We have collected sets of rainfall analyses from non-urban sites in North America and western Europe, which start from last century, and we show here that there is a marked increase in the annual deposit of nitrate ion compared with relatively stable levels of ammonium ion deposit. The increase apparent in the data from the US parallels the increases in nitrogen oxide emissions from… Expand
Trend of the nitrate and ammonium content of precipitation water in Hungary for the last 80 years
The nitrate content of bulk precipitation samples in Hungary has increased about seven timesrelative to its original value, during the last 8 decades. At the same time, the concentration ofammoniumExpand
Biological implications of seasonal and urban nitrate (acid) wet deposition
Abstract Oxides of nitrogen and sulfur have been considered the chief precursor of acid precipitation. Increases in these precursors are expected, through the year 2000 from projected increases inExpand
A historical record of ammonium concentrations from a glacier in the Alps
Ammonia is the primary gaseous alkaline species in the atmosphere over Europe, neutralising up to 70% of the original acidity in precipitation [Buijsman et al., 1987]. It is directly involved in theExpand
An evaluation of trends in the acidity of precipitation and the related acidification of surface water in North America
  • J. Turk
  • Geography, Environmental Science
  • 1983
The acidity of precipitation in the northeastern United States has increased, probably as a result of anthropogenic emissions. Increases in New England and New York occurred primarily before theExpand
Wet and dry deposition of nitrogen compounds in the southeast Pacific coast: Montemar, central Chile
Atmospheric concentration in the marine boundary layer and direct deposition measurements of total nitrate and ammonium for an eastern South Pacific coastal site near Valparaiso, Chile, were carriedExpand
Seasonal and temporal changes in the fluxes of major inorganic ions via wet and dry depositions, observed in Matsumoto, central Japan
Wet and dry deposits were collected using an automatic fractionation precipitation collector for three and a half years in Matsumoto city, central Japan. Because of the imperfect collection of someExpand
Modeling the Effects of Acid Deposition and Natural Organic Acids on Surface Waters
Atmospheric deposition of sulfuric and nitric acids has impacted surface waters in the eastern U.S. Controls on anthropogenic S and NOx emissions have resulted in a substantial decrease in acidExpand
A Single Law to Describe Atmospheric Nitrogen Bulk Deposition versus Rainfall Amount: Inputs at the Seine River Watershed Scale
Atmospheric nitrogen species (NH4-N and (NO3+NO2)-N) were determined in weekly samples of atmospheric bulk deposition (dry plus wet), collected in France at seven sites over the course of a year.Expand
An elevation-based regional model for interpolating sulphur and nitrogen deposition
Abstract We developed and tested a regression model, interpolating long-term sequences of observed atmospheric deposition of SO42−, NO3−, and NH4+ in the upper Vltava river catchment (Czech Republic)Expand
Deposition of Pollutants on Plants and Soils; Principles and Pathways
There is considerable variation in the “pollution climate” in Europe, i.e. in the mixtures of pollutants found in various regions, and further monitoring of pollution climates is necessary to defineExpand