Abstract: One full year of twice-daily longwave atmospheric emission spectra measured from the surface at 1-cm?1 resolution are used to infer optical thicknesses and ice crystal sizes in tropospheric clouds over the Antarctic Plateau. ...

Abstract: A Fourier-transform interferometer, operated throughout 1992 at South Pole Station, measured downward spectral longwave radiance from 550 to 1500 cm?1 (7?18 ?m) at a resolution of 1 cm?1. Radiance measurements were usually ...

Abstract: Very steep shallow temperature inversions occur during most of the year in the near-surface layer on the Antarctic Plateau. A radiosonde carried by a balloon rising at a few meters per second does not measure such inversions ...