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 | |/ //   / _ \\      ___     / _ \\   | \| || 
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 | . \\  |  ___  ||  | [] ||  | \_/ ||  | .  || 
 |_|\_\\ |_||  |_||   \__ ||   \___//   |_|\_|| 
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Text this: Using wavelet coherence to aid the retrieval of volcanic SO₂ from UV spectra