Clouds and aerosols play a vital role in the Earth’s climate. Detecting polar mesospheric clouds, polar stratospheric clouds and aerosols is useful for monitoring climate change and atmospheric chemistry. ACE satellite data$^{1}$ is used to provide an infrared spectral atlas of polar mesospheric clouds, three types of polar stratospheric clouds (nitric acid trihydrate, sulfuric/nitric acid ternary solutions, and ice), cirrus clouds, smoke from fires, and sulfate aerosols. Nearly all example spectra have been modeled with either Mie scattering or T-matrix codes using the appropriate optical constants.
$^{1}$P. F. Bernath. The Atmospheric Chemistry Experiment (ACE). JQSRT 2017;186:3-16. https://doi.org/10.1016/j.jqsrt.2016.04.006.
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