Table 1. Ambient temperatures, concentrations of major components, stable C and N isotope ratios, and fluorescence spectral parameters of Arctic aerosols.

Components	Min	Max	Mean	Median
Ambient temperature, °C	−35.0	−2.0	−19.6	−24.0
Aerosol mass, ng m−3	2540	9130	5250	5520
δ13C of TC (δ13CTC), ‰	−26.8	−22.5	−24.5	−24.3
OC, ngC m−3	73.4	387	253	280
WSOC, ngC m−3	40.7	300	186	214
WIOC, ngC m−3	22.0	120	68.0	58.6
WSOC in OC, %	39.9	89.1	69.9	73.4
WIOC in OC, %	10.9	60.1	30.1	26.6
LMW fatty acids (C8–C19), pg m−3	450	1680	929	807
HMW fatty acids (C20–C30), pg m−3	176	937	511	503
Ratios of LMW to HMW fatty acids	1.0	7.0	2.3	1.6
Marine Carbon, ngC m−3	34.5	231	133	115
Continental Carbon, ngC m−3	21.7	510	209	190
Fluorescence intensity, RU L−1 m−3
peak B (protein-like, ex/em = 270–280/310–320nm)	0.010	0.084	0.035	0.034
peak M (marine humic-like, ex/em = 305–315/410–420nm)	0.013	0.239	0.074	0.059
peak A (terrestrial humic-like, ex/em = 240–250/416–426nm)	0.030	0.889	0.211	0.132
peak C (terrestrial humic-like, ex/em = 335–345/436–446nm)	0.008	0.145	0.050	0.043
HIX (ex = 255 nm, 436–480/300–344 nm)	0.69	5.24	2.93	3.12
FI (ex = 370, 470/520 nm)	1.19	1.58	1.47	1.48
BIX (ex = 310 nm, 380/430 nm)	0.63	0.96	0.72	0.70