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Monday, October 19, 2020 | History

2 edition of Acid deposition on prime resource lands in eastern Canada found in the catalog.

Acid deposition on prime resource lands in eastern Canada

Pauline Lynch-Stewart

Acid deposition on prime resource lands in eastern Canada

by Pauline Lynch-Stewart

  • 305 Want to read
  • 38 Currently reading

Published by Environment Canada, Lands Directorate in [Ottawa] .
Written in English

    Subjects:
  • Acid rain -- Canada, Eastern.,
  • Air -- Pollution -- Canada, Eastern.,
  • Acid precipitation (Meteorology) -- Canada, Eastern.

  • Edition Notes

    Bibliography: p. 26.

    Statementby P. Lynch-Stewart, E.B. Wiken and G.R. Ironside.
    SeriesReport / Canada Land Inventory ; no. 18, Report (Canada Land Inventory) -- no. 18.
    ContributionsWiken, E. B., Ironside, G. R.
    Classifications
    LC ClassificationsTD196.A25 L96 1986
    The Physical Object
    Paginationviii, 72 p. :
    Number of Pages72
    ID Numbers
    Open LibraryOL17525317M
    ISBN 100662148452

    The early acid rain debate centered almost exclusively on the eastern United States and Canada. The controversy was often defined as a problem of property rights. The highly valued production of electricity in coal-fired utilities in the Ohio River Valley caused acid rain to fall on land in the Northeast and Canada. Acid Deposition: Origins, Impacts and Abatement Strategies [Longhurst, James W.S.] on *FREE* shipping on qualifying offers. Acid Deposition: Origins, Impacts and Abatement Strategies.

    The U.S. Congress passes an Acid Deposition Act providing for a year acid rain research program under the direction of the National Acid Precipitation Assessment Program. The U.S. and Canada sign a Memorandum of Intent to develop a bilateral agreement on transboundary air pollution, including "the already serious problem of acid.   U3 The impacts of acid deposition may be limited to areas downwind of major industrial regions but these areas may not be in the same country as the source of emissions. [ Possible case studies of intergovernmental situations involving acid deposition to consider include the USA Midwest and Eastern Canada interaction, as well as the impact.

    Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it has elevated levels of hydrogen ions (low pH).It can have harmful effects on plants, aquatic animals, and infrastructure. Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids. 2. Study Area and Data Used. Canada is divided into fifteen terrestrial ecozones or generalized zonal groupings of similar soil formation, climate, and landuse cover [].In eastern Canada, the Atlantic Maritime Ecozone is dominated by forests occupying approximately three-fourths of the total ecozone's land .


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Acid deposition on prime resource lands in eastern Canada by Pauline Lynch-Stewart Download PDF EPUB FB2

Get this from a library. Acid deposition on prime resource lands in eastern Canada. [Pauline Lynch-Stewart; E B Wiken; G R Ironside; Canada Land Inventory.] -- "The area receiving high wet sulphate deposition coincides with the area of Eastern Canada which is mapped and described under the Canada Land Inventory (CLI) program (Lands Directorate.

Nevertheless, documentation of acidic deposition effects on soils has been limited, and little is known regarding soil responses to ongoing acidic deposition decreases. In this study, resampling of soils in eastern Canada and the northeastern U.S. was done at 27 sites exposed to reductions in wet SO42– deposition of –76%, over intervals Cited by: Acid deposition on prime resource lands in Eastern Canada / by P.

Lynch-Stewart, E.B. Wiken and G.R. Ironside. 1 Acid rain 1 Air 1 Outdoor recreation 1 Pollution 1 Recreation areas 6 Books see all Year of Publication. From. for eastern Canada and used in the eastern Canada critical load assessment.

The mean critical load for Manitoba and Saskatchewan was estimated at and mol c ha –1 yr–1, respectively. Mean annual total sulphate and nitrogen deposition was and mol c ha –1 yr–1 for Manitoba and and mol c ha –1 yr–1 for.

Acid deposition can alter soil properties and thus affect forest productivity and the quality of the water in associated aquatic ecosystems. Impacts on soil properties most likely to occur include Cited by: 7. The Boreal Shield is the largest of Canada's fifteen terrestrial ecozones, covering % of the land mass, containing 22% of the total fresh water and 43% of commercial forest lands in Canada.

The ecozone contributes 28 billion dollars annually to the Canadian economy, mainly from forestry, mining and hydro electric generation. Adverse Effects of Sulphur and Nitrogen Deposition. Acidic deposition occurs when sulphur dioxide (SO 2) and oxides of nitrogen (NO x) react with water vapour in the atmosphere to produce sulphuric acid (H 2 SO 4) and nitric acid (HNO 3).Sulphur dioxide is emitted during fossil fuel (oil and coal) combustion and smelting of pyrite-rich ore.

a) A signpost in Nova Scotia, Canada proclaims effects of acid rain on salmon fishery (source: 'Water Encyclopedia', ) b) fish kill due to acidification of river ('Juliana Muna', n.d.) Adapted. Inthe United States and Canada established an Air Quality Agreement (AQA) to address transboundary air pollution.

The Agreement initially focused on reducing levels of acidic deposition in each country, and in the Agreement was amended to also address ground-level ozone (O3). A bilateral Air Quality Committee, established in the Agreement, is required to issue a progress report.

Acid deposition, commonly known as acid rain, occurs • Land use history: Various management techniques, such as clear cutting, can change a forest In the eastern U.S., ecological damage from acidification (nitric and sulfuric acid deposition) is widely apparent in the.

loadings are high (e.g. large portions of eastern Canada). In other cases, although the critical loads are comparatively high, high levels of acid deposition exceed the natural buffering capacity of the soils (e.g.

southern ON and southern QC). When shown on the same map, exceedances in western Canada are relatively low compared to eastern Canada. Prime agricultural land and important sections of our majestic forests are receiving excessive amounts of acid rain.” And here’s where the Clean Hands came in, allowing me to put the onus on the Americans to act.

“We have concluded agreements with our provinces to reduce acid rain emissions in eastern Canada to half their levels by   Results showed that in – and –, eastern Canada emitted, on average, 8–9% of eastern North American S emissions but received 28–29% of eastern North American nssS wet deposition, while the eastern U.S.

emitted 91–92% of the S but received only 71–72% of the nssS wet deposition. Concentrations of sulfate (SO) and free hydrogen ions (H+) in precipitation decreased from 10% to 25% over a large area of the Eastern United States from through as compared to the previous year (−) reference period.

These decreases were unprecedented in magnitude and spatial extent. In contrast, nitrate (NO3-) concentrations generally did not change over this period. The paper "The Acid Rain Problem In Eastern Canada" is a perfect example of a case study on environmental studies.

Introduction For the past twenty years or so, environmental concerns have continued to engage the thinking of people from various walks of life, from professors and scientists through average working people and even young students.

Acid deposition is a large scale, long term environmental problem with more significant ecological impacts than previously anticipated. In Canada, nearly 45% of the land area is considered. As acidic deposition has decreased across Eastern North America, forest soils at some sites are beginning to show reversal of soil acidification.

However, the degree of recovery appears to vary and is not fully explained by deposition declines alone. To assess if other site and soil factors can help to explain degree of recovery from acid deposition, soil resampling chemistry data (8- to Recovering from the damage from acid rain takes time.

The red spruce forests in New England, USA, and their fish population have recovered from the acid rain damage to a great extent.

On the other hand, soils in the northeastern U.S. and eastern Canada have started showing signs of stabilizing nutrients in recent years after years of efforts. Coote, D.R., and Wang, C, “The Significance of Acid Rain to Agriculture in Eastern Canada”.

Land Resource Research Institute Contribution No. 19, Agriculture Canada, Ottawa. Google Scholar. The term ‘acid rain’ refers to atmospheric deposition of acidic constituents that impact the earth as rain, snow, particulates, gases, and vapor.

Acid rain was first recognized by Ducros () and subsequently described by the English chemist Robert Angus Smith (Smith, ) whose pioneering studies linked the sources to industrial.

"The area receiving high wet sulphate deposition coincides with the area of Eastern Canada which is mapped and described under the Canada Land Inventory (CLI) program (Lands Directorate.

). This report identifies the extent of "prime lands" for agriculture, forestry, outdoor recreation, and waterfowl which may be at risk due to acid deposition.A "Regional Acid Deposition Model" predicts that most of the northeastern U.S.

and lower eastern Canada will experience a 30% or greater reduction in total sulphur deposition by the year Decreases in surface-water sulphate, linked to decreased sulphur deposition, have led to limited improvements in water quality; in other words, a few.Acids that rain into Scandinavia originate in central Europe or the United Kingdom, and about 50 percent of the acid deposition falling in eastern Canada comes from the United States.

Acid deposition has been detected recently in other indus- triaTized areas, including western North America, China, Japan, the Soviet Union, and South America.