History of passive remote sensing of aerosol from space
The earliest views of aerosol from space came from Russian cosmonauts who took handheld photographs of Earth and Earth’s atmosphere through the windows of orbiting spacecraft in the early 1960s (Lazarev et al., 1987). From these photographs we could see for the first time the bluish haze that covered polluted regions and the dust emitted from deserts. The pictures showed that these hazes were inhomogeneous and temporally inconsistent, but quantitative information was missing until the first spectroscopic measurements of the atmosphere were obtained in 1970 by Soyuz-9 cosmonauts using handheld spectrometers. Thus, the era of space-based aerosol remote sensing had begun.
KeywordsNormalize Difference Vegetation Index Aerosol Optical Depth Advanced Very High Resolution Radiometer Advanced Very High Resolution Radiometer Stratospheric Aerosol
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