Climate, paleoclimate, huevos rancheros, and general asymmetry

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Tuesday Links

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  • Jeffrey Park from Yale examines the relationship between temperature and CO2 at interannual time scales in Geophysical Research Letters.

Since 1979, at Mauna Loa and other observation sites, interannual coherence exhibits a 90° phase lag that suggests a direct correlation between temperatures and the time-derivative of CO2. The coherence transition can be explained if the response time of CO2 to a global temperature fluctuation has lengthened from 6 months to at least 15 months. A longer response time may reflect saturation of the oceanic carbon sink, but a transient shift in ocean circulation may play a role.

The combination of wind direction data from Ethiopia and θe distribution in Africa indicates that transpired moisture from the Sudd and the Congo Basin is likely responsible for the high isotopic values of rainfall in Ethiopia.

Written by delayedoscillator

December 8, 2009 at 1:52 pm