15. An oil pipeline leak results in emission of 80g/h of SO2. On a very sunny summer day with a wind speed of 4.5 m/s, t

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15 An Oil Pipeline Leak Results In Emission Of 80g H Of So2 On A Very Sunny Summer Day With A Wind Speed Of 4 5 M S T 1 (144.48 KiB) Viewed 29 times

15. An oil pipeline leak results in emission of 80g/h of SO2. On a very sunny summer day with a wind speed of 4.5 m/s, the concentration of SO2 1.5 km directly downwind from the leak is: Crosswind standard deviation, m 100000 1000 100 10 1000 10000 Downwind distance, m Figure 15. Standard deviation or dispersion coefficient, e, in the crosswi 100 Wind speed at 10m (m/s) 2-3 3-5 5-6 >>6 Day Incoming solar radiation Strong Moderate A A-B B с с O Other: A-B B B-C C-D D 100000 Slight B с с D D O 0.04633 mg/m3 O 1.0033 mg/m3 O 0.0112 mg/m3 0.8003 mg/m3 10000000 1/2 low cloud E D D D 1000000 100000 10000 Night Thin overcast 1000 10000 Downwind distance, m Figure 16. Standard deviation or dispersion coefficient, ,, in the vertical 10 100 3/8 cloud. F E E D 1000 100000