= Pretty J. Sagoo
{c}
A researcher whose team compared satellite infrared <spectra> separated by twenty-seven years. The study links changes in <outgoing longwave radiation> to the wavelength-dependent absorption by each <greenhouse gas>, making the atmosphere’s changing radiative behavior an observable spectral signal.<Increases in greenhouse forcing inferred from the outgoing longwave radiation spectra of the Earth in 1970 and 1997 by John E. Harries and others>[Author list and abstract: 1970–1997 spectral comparison and greenhouse-gas interpretation]{ref}
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