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<br />554 <br /> <br />1.E+09 <br /> <br />l.E+08 <br /> <br />~ 1.E.07 <br /> <br />o <br />i= <br />~ <br />I- <br />Z <br />~ 1.E+06 <br />u <br /> <br />IE 005 <br /> <br />1.E+04 <br />0.0 <br /> <br />JOURNAL OF ATMOSPHERIC AND OCEANIC TECHNOLOGY <br /> <br />6 <br />N <br />fa 600.0 <br />I- <br />Z <br />~ 500.0 <br /> <br />o <br />:::J <br />cr: <br />I- 400.0 <br /> <br /> <br />1.0 <br /> <br />DrAMETER (mm) <br /> <br />FIa. 8. Size distributions measured by two 2D-C probes, one aspirated (solid line) and one carried on a truck in an <br />aircraft configuration (dashed line). Above the two size distributions is a dotted line showing the ratio (aspirated:truck- <br />mounted) of concentrations for each size bin. The scale for the ratios is shown on the right. An exponential fit of the <br />form N = Noe-XD is shown at the bottom along with total concentration, number of particles sampled and winds. <br /> <br />1200.0 <br /> <br />1100.0 <br /> <br />Y = 1.48 X <br />Correlat.on CoeffICIent = <br /> <br />1000.0 <br />I <br /> <br />c: <br />i 900.0 <br /> <br /> <br />w 800.0 <br /> <br />~ <br />w <br />~ 700.0 <br /> <br />+ <br /> <br />300.0 <br /> <br />200.0 <br />200.0 300.0 400.0 500.0 600.0 700.0 800.0 900.0 1000.0 1100.0 1200.0 <br /> <br />ASPIRATED 2D-C AVERAGE DIAMETER (pm) <br /> <br />FIa. 7. As in Fig. 6 except for average particle diameter. <br /> <br />2.7 <br />.. 2,? . <br /> <br />1.9 <br />...1..5. 1.3:" <br />...... <br /> <br />1.7 <br /> <br />1.5 <br /> <br />'.. ...1.-1.... <br /> <br /> <br />Ob <br /> <br />, . <br />--~ <br /> <br />0.3 <br />.............-_........... <br /> <br />N = 2.4E+08 exp( -3.40 Dl <br />N = 9.OE+07 exp( -2.23 Dl <br /> <br />Cone.= 61.3 L" <br />Cone.= 35.9 L" <br /> <br />T otol # particles = 1234 <br />T ota! *' particles = 366 <br />Wnd Speed - 1.4 m s" <br /> <br />2.0 <br /> <br />VOLUME 5 <br /> <br />I.E+OI <br /> <br />I.E+OO S <br />~ <br />I- <br />~ <br />8 <br />~ <br />o <br />~ <br />a:: <br /> <br />I.-E-oI <br /> <br />1.E-02 <br />