EES 108 Class 12_2

EES 108 Class 12_2 - Review Homework Height 8.0 7.5 7.0 6.5...

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Review Homework Height Env.  Temp Parcel  Temp Parcel  Dew  Point 8.0 -28 -14 -14 7.5 -25 -11.5 -11.5 7.0 -22 -9 -9 6.5 -19 -6.5 -6.5 6.0 -16 -4 -4 5.5 -13 -1.5 -1.5 5.0 -10 1 1 4.5 -7 3.5 3.5 4.0 -3 6 6 3.5 1.5 3.0 6 2.5 10.5 2.0 15 1.5 19 1.0 23 Find Dew Point Dewpoint depression: T – Td = (31-23) = 8 LCL = 8/8 = 1 km

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Review Homework Height Env.  Temp Parcel  Temp Parcel  Dew  Point 8.0 -28 -14 -14 7.5 -25 -11.5 -11.5 7.0 -22 -9 -9 6.5 -19 -6.5 -6.5 6.0 -16 -4 -4 5.5 -13 -1.5 -1.5 5.0 -10 1 1 4.5 -7 3.5 3.5 4.0 -3 6 6 3.5 1.5 3.0 6 2.5 10.5 2.0 15 1.5 19 1.0 23 Fill in table
Review Homework Height Env.  Temp Parcel  Temp Parcel  Dew  Point 8.0 -28 -14 -14 7.5 -25 -11.5 -11.5 7.0 -22 -9 -9 6.5 -19 -6.5 -6.5 6.0 -16 -4 -4 5.5 -13 -1.5 -1.5 5.0 -10 1 1 4.5 -7 3.5 3.5 4.0 -3 6 6 3.5 1.5 8.5 8.5 3.0 6 11 11 2.5 10.5 13.5 13.5 2.0 15 16 16 1.5 19 18.5 18.5 0.5 27 26 22 0.0 31 31 23 Fill in table… Up to LCL: Parcel temp drops by  DALR = 10 ° C/km Dewpoint drops by 2 ° C/km After LCL: Parcel temp drops by  WALR = 5 ° C/km Dewpoint = parcel temp – Why?

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0 1 3 4 5 6 7 8 -30 -10 10 30 50 Temp (C) Heignt (km) Env T Parcel T Height Env.  Temp Parcel  Temp Parcel  Dew  Point 8.0 -28 -14 -14 7.5 -25 -11.5 -11.5 7.0 -22 -9 -9 6.5 -19 -6.5 -6.5 6.0 -16 -4 -4 5.5 -13 -1.5 -1.5 5.0 -10 1 1 4.5 -7 3.5 3.5 4.0 -3 6 6 3.5 1.5 8.5 8.5 3.0 6 11 11 2.5 10.5 13.5 13.5 1.0 23 21 21 0.5 27 26 22 0.0 31 31 23 LFC LCL
0 1 3 4 5 6 7 8 -30 -10 10 30 50 Temp (C) Heignt (km) Env T Parcel T Height Env.  Temp Parcel  Temp Parcel  Dew  Point 8.0 -28 -14 -14 7.5 -25 -11.5 -11.5 7.0 -22 -9 -9 6.5 -19 -6.5 -6.5 6.0 -16 -4 -4 5.5 -13 -1.5 -1.5 5.0 -10 1 1 4.5 -7 3.5 3.5 4.0 -3 6 6 3.5 1.5 8.5 8.5 3.0 6 11 11 2.5 10.5 13.5 13.5 2.0 15 16 16 1.5 19 18.5 18.5 1.0 23 21 21 0.5 27 26 22 0.0 31 31 23 LCL LFC

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Air Pollution History of air pollution Classifying pollutants Types of pollutants Primary vs. Secondary Sources of pollutants Health effects Focus: Particulate Matter Urban Air Pollution Sources Interaction of chemistry, meteorology, and geography: Atmospheric Inversions Sulfurous Smog Photochemical Smog Controlling Urban Pollution
Air pollution in History

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