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. 2016 Mar 4;113(21):5828–5834. doi: 10.1073/pnas.1514044113

Table 1.

Propagation of the calculations from the satellite retrievals to the resultant CCN(S)

Symbol Parameter and unit Source of calculation Error
re cloud drop effective radius, μm satellite retrieval 8%
T cloud surface temperature, °C satellite retrieval 0.2 °C
Tb cloud base temperature, °C satellite retrieval 1.1 °C
Pb cloud base pressure, hPa Tb + reanalysis 15 hPa
rv drop mean volume radius, μm re (Eq. 3) 8%
LWCa cloud adiabatic water, g⋅kg−1 T + Tb + Pb (parcel) 15%
Nd cloud base drop concentrations, cm−3 rv(T) + LWCa(T) (Eq. 2) 30%
Hb cloud base height above surface, m Tb + reanalysis 150 m
Wb cloud base updraft, m⋅s−1 Hb (Eq. 5) 27%
S cloud base max supersaturation, % Tb, Pb, Wb, Nd (Eq. 1) 25% of S in percent
NCCN(S) CCN at cloud base, cm−3 Nd, S by definition 30%