The missing aerosol response in twentieth-century mid-latitude precipitation observations

Increasing concentrations of atmospheric particles are expected to impact Northern Hemisphere mid-latitude precipitation and temperature. This study finds that there is little evidence that aerosol concentrations affect land precipitation in the region, which they attribute to changes in observational techniques that increased measured values at the time aerosols were expected to suppress precipitation.

Nature Climate Change doi: 10.1038/nclimate2173

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