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Professor Myles Allen CBE FRS

Statutory Professor

Research theme

  • Climate physics

Sub department

  • Atmospheric, Oceanic and Planetary Physics
Myles.Allen@physics.ox.ac.uk
Telephone: 01865 (2)72085,01865 (2)75895
Atmospheric Physics Clarendon Laboratory, room 109
  • About
  • Publications

Forecast-based attribution of a winter heatwave within the limit of predictability

Copernicus Publications (2021)

Authors:

Nicholas Leach, Antje Weisheimer, Myles Allen, Timothy Palmer
More details from the publisher

Impact of sub-seasonal atmosphere-ocean interactions on extreme event statistics

Copernicus Publications (2021)

Authors:

Matthias Aengenheyster, Sarah Sparrow, Peter Watson, David Wallom, Laure Zanna, Myles Allen
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Increased outburst flood hazard from Lake Palcacocha due to human-induced glacier retreat

Nature Geoscience Springer Nature 14:2 (2021) 85-90

Authors:

Rupert Stuart-Smith, Gerard H Roe, Sihan Li, Myles Allen

Abstract:

A potential glacial lake outburst flood from Lake Palcacocha (Cordillera Blanca, Peru) threatens Huaraz, a city of 120,000 people. In 1941, an outburst flood destroyed one-third of the city and caused at least 1,800 fatalities. Since pre-industrial times, Lake Palcacocha has expanded due to the retreat of Palcaraju glacier. Here we used observations and numerical models to evaluate the anthropogenic contribution to the glacier’s retreat and glacial lake outburst flood hazard. We found that the magnitude of human-induced warming equals between 85 and 105% (5–95% confidence interval) of the observed 1 °C warming since 1880 in this region. We conclude that it is virtually certain (>99% probability) that the retreat of Palcaraju glacier to the present day cannot be explained by natural variability alone, and that the retreat by 1941 represented an early impact of anthropogenic greenhouse gas emissions. Our central estimate is that the overall retreat is entirely attributable to the observed temperature trend, and that the resulting change in the geometry of the lake and valley has substantially increased the outburst flood hazard.
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Method Uncertainty Is Essential for Reliable Confidence Statements of Precipitation Projections

Journal of Climate American Meteorological Society 34:3 (2021) 1227-1240

Authors:

Peter Uhe, Dann Mitchell, Paul D Bates, Myles R Allen, Richard A Betts, Chris Huntingford, Andrew D King, Benjamin M Sanderson, Hideo Shiogama
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Europe’s ‘green deal’ and carbon dioxide removal

Nature Springer Nature 589:7840 (2021) 19-19

Authors:

David M Reiner, Ilkka Hannula, Tiina Koljonen, Myles Allen, Wolfgang Lucht, Gonzalo Guillén-Gosálbez, Niall Mac Dowell
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