School of Geography, Earth and Atmospheric Sciences - Research Publications

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Author: Black, Mitchell × Author: King, Andrew × End date: 2019 × Start date: 2016 ×

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    Emergence of heat extremes attributable to anthropogenic influences
    King, AD ; Black, MT ; Min, S-K ; Fischer, EM ; Mitchell, DM ; Harrington, LJ ; Perkins-Kirkpatrick, SE (AMER GEOPHYSICAL UNION, 2016-04-16)
    Abstract Climate scientists have demonstrated that a substantial fraction of the probability of numerous recent extreme events may be attributed to human‐induced climate change. However, it is likely that for temperature extremes occurring over previous decades a fraction of their probability was attributable to anthropogenic influences. We identify the first record‐breaking warm summers and years for which a discernible contribution can be attributed to human influence. We find a significant human contribution to the probability of record‐breaking global temperature events as early as the 1930s. Since then, all the last 16 record‐breaking hot years globally had an anthropogenic contribution to their probability of occurrence. Aerosol‐induced cooling delays the timing of a significant human contribution to record‐breaking events in some regions. Without human‐induced climate change recent hot summers and years would be very unlikely to have occurred.