. Annual program report, 1990. Acidic Precipitation in Ontario Study; Acid precipitation (Meteorology); Acid pollution of rivers, lakes, etc; Acid rain. ONTARIO ANTHROPOGENIC C02 EMISSIONS 1987 - BY SECrORC) INDUSTRY () COMMERCIAL () (•) TcnUtivc total C02: about 150 million tonnes. MOE/ARB/AQM - February 6th, 1990. TRANSPORTATION (28J%) UTILITIES - ONT HYDRO () RESIDENTIAL () Figure 3 CO2 Emissions by Sectors different seasons of the year (, OSCAR Oxidant and Scavenging Characteristics of April Rain) and a summer oxidant study. These studies, reported in earlier annual
. Annual program report, 1990. Acidic Precipitation in Ontario Study; Acid precipitation (Meteorology); Acid pollution of rivers, lakes, etc; Acid rain. ONTARIO ANTHROPOGENIC C02 EMISSIONS 1987 - BY SECrORC) INDUSTRY () COMMERCIAL () (•) TcnUtivc total C02: about 150 million tonnes. MOE/ARB/AQM - February 6th, 1990. TRANSPORTATION (28J%) UTILITIES - ONT HYDRO () RESIDENTIAL () Figure 3 CO2 Emissions by Sectors different seasons of the year (, OSCAR Oxidant and Scavenging Characteristics of April Rain) and a summer oxidant study. These studies, reported in earlier annual reports, have largely been limited to comparison of S04^" concentrations in precipitation. They show that total deposition of sulphur (wet and dry) is nearly linearly related to SO2 emissions, and that about 50% of acidic deposition in south- central Ontario comes from sources. Other modelling studies indicate that nitrogen oxide emission control will result in a decrease in acidic deposition and oxidant levels in southern Ontario. The Eulerian Model Evaluation Field Study (EMEFS), which is a cooperative venture between the Ontario Ministry of the Environment, Environment Canada, the , the Electric Power Research Institute, and the Florida Acidic Deposition Monitoring Program, was designed to evaluate the performance of modem models of long range transport, chemical transformation and deposition. The field study ended on May 31, 1990. An initial model evaluation has already taken place; a more detailed evaluation will be carried out when all of the monitoring data are available. The first phase of the EMEFS's intensive data collection was conducted between July and September, 1988 and provided both surface and aircraft measurements of air and. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original w
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