Table 2 Parameter ranges bounding Latin hypercube sampled38 random parameter combinations used for cloud parcel model input in assessing parametric uncertainties in model outputs

From: Key drivers of cloud response to surface-active organics

 

Marine

Boreal

 

Min

Max

Min

Max

Aitken mode number concentration N1 [cm−3]

150

600

440

1780

Acc. mode number concentration N2 [cm−3]

60

250

160

920

Aitken mode geometric mean radius R1 [nm]

15.5

23.5

14

31

Acc. mode geometric mean radius R2 [nm]

70

100

66

98.5

Geom. standard deviation of Aitken mode σg,1

1.40

1.80

1.56

1.95

Geom. standard deviation of accumulation mode σg,2

1.40

1.80

1.46

1.78

Organic fraction in Aitken mode Forg,1

0.05

0.40

0.60

0.71

Organic fraction in accumulation mode Forg,2

0.05

0.40

0.60

0.71

Updraft velocity w [m s−1]

0.05

2.40

0.05

2.40

Minimum surface film thickness δmin [nm]

0.16

0.30

0.16

0.30

Surface tension of organic γorg [mN m−1]

30

50

30

50