Order,Parameter label,Parameter definition,Standard value or source,Uncertainty range,Scaling approach,Explored in One-at-a-Time studies,Selected for full model ensemble of 280 runs 
1,opt,Cloud optical depth,ECMWF met fields,x3.0,logarithmic (range 1/y to y),Y,Y
2,aod,Aerosol optical depth,MODIS,x3.0,logarithmic (range 1/y to y),Y,Y
3,str,Total ozone colum affecting photolysis,Model generated (Linoz strat chemistry),±20%,linear (±X%),Y,Y
4,xno,Absorption cross-section of NO2,JPL 2010,±20%,linear (±X%),Y,Y
5,x1d,Absorption cross-section of O(1D),JPL 2010,±20%,linear (±X%),Y,Y
6,alb,Surface albedo,ECMWF met fields,±30%,linear (±X%),Y,Y
7,ddf,Dry deposition: Surface resistance over forests (all species),Model generated (Wesely scheme),x3.0,logarithmic (range 1/y to y),Y,Y
8,ddg,Dry deposition: Surface resistance over grassland and crop (all species),Model generated (Wesely scheme),x3.0,logarithmic (range 1/y to y),Y,Y
9,ddw,"Dry deposition: Surface resistance over water, bare ground and ice (all species)",Model generated (Wesely scheme),x3.0,logarithmic (range 1/y to y),Y,Y
10,dra,Dry deposition: aerodynamic resistance,Model generated (Wesely scheme),x3.0,logarithmic (range 1/y to y),Y,Y
11,pbl,Boundary layer diffusion coefficient,Model generated (K-profile boundary layer),x100,logarithmic (range 1/y to y),Y,Y
12,cnv,Convective lifting of tracers,ECMWF met fields,x2.0,logarithmic (range 1/y to y),Y,Y
13,h2o,Water vapour (for chemistry),ECMWF met fields,±15%,linear (±X%),Y,Y
14,tmp,Temperature (for chemistry),ECMWF met fields,±2K,linear (±X%),Y,Y
15,nox,Anthropogenic NOx emissions,30 Tg/year,±25%,linear (±X%),Y,Y
16,voc,Anthropogenic VOC emissions,IIASA (~115 Tg/yr),x2.0,logarithmic (range 1/y to y),Y,Y
17,aco,Anthropogenic CO emissions,600 Tg/yr,±25%,linear (±X%),Y,Y
18,fir,Biomass burning emissions (all species),GFED,±50%,linear (±X%),Y,Y
19,iso,Biogenic isoprene emissions,500 TgC/yr,±60%,linear (±X%),Y,Y
20,lit,Lightning NO emissions,5 TgN/yr,±60%,linear (±X%),Y,Y
21,sno,Soil emissions of NO,5 TgN/yr,x2.0,logarithmic (range 1/y to y),Y,Y
22,knz,Rate constant: NO + O3,IUPAC/JPL,x1.20,logarithmic (range 1/y to y),Y,Y
23,knp,Rate constant: NO + HO2,IUPAC/JPL,x1.30,logarithmic (range 1/y to y),Y,Y
24,kn3,Rate constant: NO2 + O3,IUPAC/JPL,x1.20,logarithmic (range 1/y to y),Y,Y
25,kn2,Rate constant: NO2 + OH,IUPAC/JPL,x1.60,logarithmic (range 1/y to y),Y,Y
26,kpf,Rate constant: NO2 + CH3CO3,IUPAC/JPL,x1.60,logarithmic (range 1/y to y),Y,Y
27,kni,Rate constant: HNO3 + OH,IUPAC/JPL,x1.30,logarithmic (range 1/y to y),Y,Y
28,krh,Rate constant: HO2 + RO2,IUPAC/JPL,x1.60,logarithmic (range 1/y to y),Y,Y
29,kh2,Rate constant: HO2 + O3,IUPAC/JPL,x1.60,logarithmic (range 1/y to y),Y,Y
30,kho,Rate constant: OH + O3,IUPAC/JPL,x1.45,logarithmic (range 1/y to y),Y,Y
31,k1d,Rate constant: OH + H2O,IUPAC/JPL,x1.30,logarithmic (range 1/y to y),Y,Y
32,kch,Rate constant: OH + CH4,IUPAC/JPL,x1.15,logarithmic (range 1/y to y),Y,Y
33,koh,Rate constant: OH + HO2,IUPAC/JPL,x1.30,logarithmic (range 1/y to y),Y,Y
34,kqn,Rate constant: O1D + N2,IUPAC/JPL,x1.15,logarithmic (range 1/y to y),Y,Y
35,kqo,Rate constant: O1D + O2,IUPAC/JPL,x1.15,logarithmic (range 1/y to y),Y,Y
36,het,Rate constant: N2O5 + aerosol,IUPAC/JPL,x3.0,logarithmic (range 1/y to y),Y,Y
37,xfm,Absorption cross-section of HCHO,JPL 2010,±30%,linear (±X%),Y,N
38,xmp,Absorption cross-section of CH3OOH,JPL 2010,±30%,linear (±X%),Y,N
39,hna,Henry's Law coefficient for HONO2,Sander et al. 2023,±30%,linear (±X%),Y,N
40,hhp,Henry's Law coefficient for H2O2,Sander et al. 2023,±30%,linear (±X%),Y,N
41,hfm,Henry's Law coefficient for HCHO,Sander et al. 2023,±30%,linear (±X%),Y,N
42,prc,Precipitation,ECMWF met fields,±20%,linear (±X%),Y,N
43,air,Aircraft emissions of NO,NASA (~0.79 TgN/yr),±50%,linear (±X%),Y,N
44,kco,Rate constant: OH + CO,IUPAC/JPL,x1.30,logarithmic (range 1/y to y),Y,N
45,kis,Rate constant: OH + C5H8,IUPAC/JPL,x1.20,logarithmic (range 1/y to y),Y,N
46,khh,Rate constant: HO2 + HO2,IUPAC/JPL,x1.45,logarithmic (range 1/y to y),Y,N
47,khp,Rate constant: OH + H2O2,IUPAC/JPL,x1.30,logarithmic (range 1/y to y),Y,N
48,koo,Rate constant: O + O3,IUPAC/JPL,x1.20,logarithmic (range 1/y to y),Y,N
49,ko2,Rate constant: O3P + O2,IUPAC/JPL,x1.15,logarithmic (range 1/y to y),Y,N
50,kdn,Rate constant: NO2 + NO3,IUPAC/JPL,x1.30,logarithmic (range 1/y to y),Y,N
51,kpn,Rate constant: NO2 + HO2,IUPAC/JPL,x1.30,logarithmic (range 1/y to y),Y,N
52,krn,Rate constanrt: NO + RO2,IUPAC/JPL,x1.20,logarithmic (range 1/y to y),Y,N
53,koz,Rate constant: O3 + Alkene,IUPAC/JPL,x1.25,logarithmic (range 1/y to y),Y,N
54,kpd,Rate constant: PAN decomposition,IUPAC/JPL,x2.00,logarithmic (range 1/y to y),Y,N
55,eh2,Tropospheric abundance of H2,500 ppb,±10%,linear (±X%),Y,N
56,ch4,Tropospheric abundance of CH4,1760 ppb,±4%,linear (±X%),Y,N
57,xna,Absorption cross-section of HONO2,JPL 2010,±30%,linear (±X%),Y,N
58,xhp,Absorption cross-section of H2O2,JPL 2010,±20%,linear (±X%),Y,N
59,khx,Rate constant: OH + H2,IUPAC/JPL,x1.30,logarithmic (range 1/y to y),Y,N
60,khn,Rate constant: HO2 + NO3,IUPAC/JPL,x1.30,logarithmic (range 1/y to y),Y,N