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PILS + AMS = A match made in heaven

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PILS + AMS = A match made in heaven Powered By Docstoc
					Dude, where’s my sulfate?

 Rick Peltier, PILS, Georgia Tech
Ed Dunlea, AMS, Univ. of Colorado
                                   1.0
                                                 RF04 – 26 April 2006
                                                 PILS sulfate                                                                   500
                                                 PAN (pptv)
                                                 O3 PILS sulfate
                                                    (ppbv)                                                  90
                                                    AMS sulfate
                                                 WSOC (ugC/m3)
                                                 AMS sulfate
                                   0.8                                                                                          400
                                                                                                            80
Sulfate (µg/m3), (µg/m3)(ugC/m3)




                                                                                                                 Ozone (ppbv)
                                   0.6
          Sulfate WSOC




                                                                                                                                300




                                                                                                                                      PAN (pptv)
                                                                                                            70



                                   0.4
                                                                                                            60                  200




                                   0.2                                                                      50                  100




                                   0.0                                                                      40
                                         20:00    20:15
                                                 20:15     20:30 20:45  21:00
                                                          20:30 20:45 21:00 21:15 21:30 21:45 22:00 22:15 22:30 22:30
                                                                                 21:15     21:30 21:45 22:00 22:15
                                                                           RF4, April 2006
                                                                         RF4, 26 26 April 2006
                                RF05 – PILS Sulfate
                  -140            -138            -136   -134   -132    -130    -128   -126   -124                    -122

           54                                                                                                                   54
                                                                                                     3




                                                                                                         PILS Sulfate (µg m )
           53                                                                                                                   53
                                                                                                     2


           52                                                                                        1                          52




                                                                                                                       -3
                                                                                                     0
Latitude




           51                                                                                                                   51



           50                                                                                                                   50



           49                                                                                                                   49



           48                                                                                                                   48
                Latitude on inbound leg
                increased by 0.5 degrees for clarity



                  -140            -138            -136   -134   -132     -130   -128   -126   -124                    -122
                                                                 Longitude
     RF05 – AMS SO4
View of flight track from the South
  RF05 – AMS Org
View of flight track from the South
   Close up on Asian plumes
Good correlation of SO4 with NOy again
First flight with organics visible in Asian plumes
                                                                                                                                                                                                17:00    18:00    19:00     20:00        21:00           22:00            23:00           00:00

                                                                                                                                                    4.5                                                                                                                                           10000        2.0
                                                                                                                                                                                                                                                               sulfate
                              Ion composition mainly                                                                                                4.0
                                                                                                                                                                                                                                                               nitrate
                                                                                                                                                                                                                                                                                                               1.8




                                                                                                      Sulfate (µg/m3), Submicron Volume (um3/cm3)
                                                                                                                                                                                                                                                               PM1 Volume (Univ HI)

                              sulfate and ammonium                                                                                                  3.5
                                                                                                                                                                                                                                                               Ammonium
                                                                                                                                                                                                                                                               PALT                               8000         1.6




                                                                                                                                                                                                                                                                                                                     Nitrate, Ammonium (µg/m3)
                                                                                                                                                                                                                                                                                                               1.4
                              WSOC instrument problems during flight                                                                                3.0
                              at ~1800 – no data available.                                                                                                                                                                                                                                       6000         1.2
                                                                                                                                                    2.5




                                                                                                                                                                                                                                                                                                        PAlt
                                                                                                                                                                                                                                                                                                               1.0
                                                                                                                                                    2.0
                                                                                                                                                                                                                                                                                                  4000         0.8
                                                                                                                                                    1.5
                                                                                                                                                                                                                                                                                                               0.6
                                                                                                                                                    1.0
                                                                                                                                                                                                                                                                                                  2000
                                                                                                                                                                                                                                                                                                               0.4
                                                                                                                                                    0.5
                                                                                                                                                                                                                                                                                                               0.2
                                                                             1:1 Line
                          4                                                                                                                         0.0                                                                                                                                           0

                                                                                                                                                                                                17:00    18:00    19:00     20:00       21:00            22:00            23:00           00:00
                                                                                                                                                                                                                             21 April 2006 Flight
 Total Ion Mass (µg m )
-3




                          3

                                                                                                                                                                                                 Does not include unmeasured species (e.g.
                          2
                                                                                        Slope: 0.50
                                                                                                                                                                                                 soot, OC)
                                                                                        Int: 0.13
                                                                                        R = 0.747
                                                                                                                                                                                                 Aerosol density estimated (1.5)
                          1




                                                                                                                                                                                         0.2
                                      1          2            3             4              5
                                                                            -3
                                            integrated PM Volume * 1.5 (µg m )                                                                                                           0.1
                                                                                                                                                           Charge Balance (eq) (x 10 )
                                                                                                                                                          -3




                                                                                                                                                                                         0.0



          Most aerosol neutral charge                                                                                                                                                    -0.1

                                                                                                                                                                                         -0.2

          balance (although a few deviations                                                                                                                                             -0.3


          from 0)                                                                                                                                                                        -0.4



                                                                                                                                                                                                 17:00    18:00     19:00       20:00            21:00            22:00           23:00               00:00
                                                                                                                                                                                                                                        21 April 2006 Flight

				
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