Application of Sun/star photometry to derive the aerosol optical depth
作者： D. Pérez‐Ramírez , B. Ruiz , J. Aceituno , F. J. Olmo , L. Alados‐Arboledas
DOI: 10.1080/01431160802036425
关键词:
摘要: Atmospheric aerosols play a crucial role in the radiative transfer and chemical processes that control Earth's climate. Aerosol optical depth other related aerosol characteristics are widely known during daytime through Sun photometers, so several international networks have been established. However, there no regular measurements of spectral atmosphere at night. Such now possible thanks to recent CCD camera developments make feasible star fluxes. In this work we present photometer based on CCD, carrying out an exhaustive characterization device order guarantee quality measurements. We analysed applicability Langley calibration method urban polluted environment. Finally, some preliminary results measured by photometers under Saharan dust event.
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