Aerosol size distribution derived from 355-nm and 532-nm Mie lidar signals
A Lookup Table (LUT) was generated using eleven aerosol size distributions (ASD) (from urban to maritime with 9 logarithmic increments in between them). In the computations, aerosol size ranged from 0.001-10μm with 1.40 to 1.60 real and 0.000-0.030 imaginary refractive indices for the 355-nm and 532...
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| Main Authors: | , , , , , |
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| Format: | text |
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Animo Repository
2006
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| Subjects: | |
| Online Access: | https://animorepository.dlsu.edu.ph/faculty_research/11230 |
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| Institution: | De La Salle University |
| Summary: | A Lookup Table (LUT) was generated using eleven aerosol size distributions (ASD) (from urban to maritime with 9 logarithmic increments in between them). In the computations, aerosol size ranged from 0.001-10μm with 1.40 to 1.60 real and 0.000-0.030 imaginary refractive indices for the 355-nm and 532-nm LIDAR wavelengths. The extinction coefficients (õ)EXPT were calculated for the LIDAR data using Fernald’s inversion method. The ASD in the De La Salle University area was determined by comparing (õ532/õ355)EXPT to (õ532/õ355)THEO values found in the LUT. Results show that the ASD is affected by local meteorological conditions and by man’s activities (e.g., fireworks during New Year’s eve). |
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