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Recent intensification of wind-driven circulation in the Pacific and the ongoing warming hiatus
- M. England, S. McGregor, A. Santoso
- Environmental Science
- 1 March 2014
The slowdown in global average surface warming has recently been linked to sea surface cooling in the eastern Pacific Ocean. This work shows that strengthening trade winds caused a reduction in the…
Increasing frequency of extreme El Niño events due to greenhouse warming
- W. Cai, S. Borlace, F. Jin
- Environmental Science
- 1 February 2014
Extreme El Nino events cause global disruption of weather patterns and affect ecosystems and agriculture through changes in rainfall. Model projections show that a doubling in the occurrence of such…
Increased El Niño frequency in a climate model forced by future greenhouse warming
- A. Timmermann, J. Oberhuber, A. Bacher, M. Esch, M. Latif, E. Roeckner
- Environmental ScienceNature
- 22 April 1999
The El Niño/Southern Oscillation (ENSO) phenomenon is the strongest natural interannual climate fluctuation. ENSO originates in the tropical Pacific Ocean and has large effects on the ecology of the…
Information from paleoclimate archives
- V. Masson‐Delmotte, M. Schulz, A. Timmermann
- Environmental Science
- 5 February 2013
Carbon dioxide and climate impulse response functions for the computation of greenhouse gas metrics:a multi-model analysis
Abstract. The responses of carbon dioxide (CO2) and other climate variables to an emission pulse of CO2 into the atmosphere are often used to compute the Global Warming Potential (GWP) and Global…
Links between tropical rainfall and North Atlantic climate during the last glacial period
- G. Deplazes, A. Lückge, G. Haug
- Environmental Science, Geography
- 1 March 2013
The last glacial period was marked by dramatic climate fluctuations. Sediment records from the Cariaco Basin and the Arabian Sea suggest that cooling in the North Atlantic region was tightly coupled…
The impact of global warming on the tropical Pacific Ocean and El Niño
- M. Collins, S. An, A. Wittenberg
- Environmental Science
- 1 June 2010
The El Nino-Southern Oscillation (ENSO) is a naturally occurring fluctuation that originates in the tropical Pacific region and affects ecosystems, agriculture, freshwater supplies, hurricanes and…
Enhanced warming over the global subtropical western boundary currents
Subtropical western boundary currents are warm, fast-flowing currents that form on the western side of ocean basins. They carry warm tropical water to the mid-latitudes and vent large amounts of heat…
Recent Walker circulation strengthening and Pacific cooling amplified by Atlantic warming
- S. McGregor, A. Timmermann, Y. Chikamoto
- Environmental Science
- 1 October 2014
The Pacific trade winds have strengthened since the late 1990s, and there has been related strengthening of the atmospheric Walker circulation. Although the impacts of these changes are becoming…
A unified proxy for ENSO and PDO variability since 1650
- S. McGregor, A. Timmermann, O. Timm
- Environmental Science
- 23 September 2009
Abstract. In this manuscript we have attempted to consolidate the common signal in previously defined proxy reconstructions of the El Nino-Southern Oscillation into one individual proxy titled the…
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