Earth Surface Mineral Dust Source Investigation (EMIT) Mission

Launched in July 2022, Earth Surface Mineral Dust Source Investigation (EMIT) was developed by the National Aeronautics and Space Administration (NASA) to help researchers model climate effects from measurements of the world’s mineral-dust sources.

  • EMIT uses an advanced imaging spectrometer instrument that measures a spectrum of sunlight reflected from minerals on the Earth’s surface.
  • EMIT dust source minerals have a unique spectral signature which is calibrated to spectral radiance and then corrected and analysed to determine the mineral composition.
  • This data is used to determine how the particles interact with Earth’s atmosphere, land, water and organisms including how dust heats and ....
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Ecology & Environment