1. In November, a massive quantity of (1011 g) of the noxious fumigant \"Elexsio
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Question
1. In November, a massive quantity of (1011 g) of the noxious fumigant "Elexsion" (CBr2CIF) is released into the atmosphere. The compound has a half life of 2.5 years in the lower but has a half life of 2 days in the upper atmosphere. Estimate the latitudinal and longitudinal spread of Elexsion concentration after 1 day, 1 week, 1 year, and 10 years. i. i. Propose a reason why the life in the upper atmosphere is so short. on day 1 the temperature increases with height at the rate of 2.2°C/km. On Day 2, the temperature remains constant with height On Day 3, the temperature decreases at 5°C/km On day 4, the temperature decreases at 6.6oC/km On day 5, the temperature decreases at 8/5oC/km 2, What is the atmospheric stability on each day? Estimate the wet adiabatic lapse rate for 50%, and 100% humidity for air with an initial temperature of 280C. Show wind directions on map and estimate pressure gradient Force near Auburn 3. 4.Explanation / Answer
Atmospheric Stability is determined based on the equation.
When ELR > ALR = Unstable,
When ELR=ALR = Neutral and
When ELR < ALR = Stable
Where ELR is the Environmental Lapse Rate, rate of temperature decrease with height in the atmosphere at a given time and location and ALR is the Adiabatic Lapse Rate, rate of temperature decrease with height for a parcel of air rising under adiabatic conditions, which is a universal constant = -1°C/100m.
a. Day 1: Temperature increases with height at a rate of 2.2°C/Km (0.22°C/100m)
When the temperature increases with height, it is a thermal inversion and is a stable form of the atmosphere.
b. Day2: When the temperature remains constant with increasing height. I.e. 0°C/Km, ELR < ALR thus the atmosphere is stable.
c. Day3: When the temperature decreases at a rate of 5°C/ km (-0.5°/100m), this ELR < ALR and the atmosphere is stable.
d. Day 4: The Temperature decreases at 6.6°C/Km (-0.66°C/ 100m), ELR < ALR thus the atmosphere is stable.
e. Day 5: The temperature decreases at 8/5 i.e. 1.6°C/km (-0.16°C/100m), ELR < ALR thus the atmosphere is stable.
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