Polarization Lidar Detection of Agricultural Aerosol Emissions

Table 2

Type of aerosol detected in each trial, volume background depolarization ratio (), and particle depolarization ratio of the aerosol (). For each depolarization value, the mean and the standard deviation are given.

Trial	Type of aerosol
T1	Diesel exhaust	0.018 ± 0.0007	0.099 ± 0.0075
T2	Field dust	0.019 ± 0.0004	0.220 ± 0.0376
T3	Field dust	0.020 ± 0.0011	0.268 ± 0.0402
T4	Mixture of spray drift and field dust	0.026 ± 0.0006	0.218 ± 0.0512
T5	Mixture of spray drift and field dust	0.027 ± 0.0007	0.213 ± 0.0660
T6	Spray drift	0.013 ± 0.0003	0.035 ± 0.0080
T7	Spray drift	0.014 ± 0.0003	0.028 ± 0.0054
T8	Spray drift	0.015 ± 0.0009	0.043 ± 0.0086
T9	Spray drift	0.016 ± 0.0016	0.033 ± 0.0092
T10	Road dust/spray drift	0.025 ± 0.0008	0.385 ± 0.0568/0.034 ± 0.0082