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What is Acid Rain and What Causes It?
The result is a mild solution of sulfuric acid and nitric acid. How Do We Measure Acid Rain? Acid rain is measured using a scale called "pH." The lower a ... (for example, red spruce trees above 2,000 feet) and many sensitive forest soils. In addition, acid rain accelerates the decay of building materials and paints, including irreplaceable buildings, statues, and sculptures that ...
www.policyalmanac.org

remote sensing
ClONO2, and nitric acid HNO3. To see how the amounts have trended through the year, pick a longitude line ... , and the equator. On each graph, plot the concentration values of the ozone, chlorine nitrate, and nitric acid throughout the course of the year. Scale the values so that increments will appear somewhat ...
www.cotf.edu

Science and the Environment Bulletin: Acid Rain Still Plaguing Lakes and Loons
Slick Network Pinpoints Lightning Strikes Exploring the St. Lawrence On-Line Related Sites Comprehensive acid rain Web site Canadian Lakes Loon Survey Project Wildspace Home | Air | Atmospheric Science | Climate Change ...
www.ec.gc.ca

GAIA Model Base MESOPUFF: Mesoscale Puff Model
Up to five pollutants may be modelled: sulphur dioxide, sulphate, hydrogen oxide, nitric acid and nitrates. It works with time scales of few days. The package includes a preprocessor for meteorological data and a post processor for concentration results. Keywords description: air quality, puff model, trajectory model, ...
www.ess.co.at

Nitrous oxide sources - Industry
Much recent progress has been made in reducing nitrous oxide emissions ... to their lower combustion efficiency compared to other fossil fuels. Emissions arise from the reaction of nitric oxide during combustion, though the high temperatures involved often mean that a large proportion of ...
www.ghgonline.org

Climate Change 2001: The Scientific Basis
Combination of sulphate and carbonaceous aerosols 6.8.3.3 Mineral dust aerosols 6.8.3.4 Effect of gas-phase nitric acid 6.8.4 Indirect Methods for Estimating the Indirect Aerosol Effect 6.8.4.1 The missing climate forcing 6.8.4.2 Remote sensing of the indirect effect of aerosols 6.8.5 Forcing Estimates for This Report 6.8.6 ...
www.grida.no

Terms Beginning With "I"
Effects may be acute from a single high level exposure, or chronic from repeated low-level exposures to such compounds as chlorine, nitrogen dioxide, and nitric acid. Isoconcentration: More than one sample point exhibiting the same isolate concentration. Isopleth: The line or area represented by an isoconcentration. Isotope: A variation of an element that has the ...
epa.gov

Environmental Advocates of New York - Issues - Archive - Acid Rain
When the air containing the acids cools, precipitation forms and the acidic pollution ... This gives companies an economic incentive to reduce emissions. The NOx portion of the federal acid rain program regulates coal-fired electric utility boilers. The program establishes an annual limit on ...
eany.org

Clean Air Online - 6.2 - Acid Rain
(H2SO4), ammonium nitrate (NH4NO3) and nitric acid (HNO3) as they are transported in the atmosphere over distances of ... The gases can then be converted into acids when they contact water. Damage caused by acid deposition affects lakes, rivers, forest, soils, fish and wildlife populations and buildings. Prior to falling ...
www.ec.gc.ca

What is Acid Rain? | Acid Rain | US EPA
EPA Clean Air Markets Data and Maps – Provides access to ... chemicals to form various acidic compounds. The result is a mild solution of sulfuric acid and nitric acid. When sulfur dioxide and nitrogen oxides are released from power plants and other ...
epa.gov