Urban Warming

G. Kukla Lamont-Doherty Geological Observatory, Palisades, NY 10964

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J. Gavin Lamont-Doherty Geological Observatory, Palisades, NY 10964

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T. R. Karl National Climatic Data Center, Asheville, NC 28801

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Abstract

Meteorological stations located in an urban environment in North America warmed between 1941 and 1980, compared to the countryside, at an average rate of about 0.12°C per decade. Secular trends of surface air temperature computed predominately from such station data are likely to have a serious warm bias.

Abstract

Meteorological stations located in an urban environment in North America warmed between 1941 and 1980, compared to the countryside, at an average rate of about 0.12°C per decade. Secular trends of surface air temperature computed predominately from such station data are likely to have a serious warm bias.

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