LIFESCI 2H03 Lecture Notes - Pacific Decadal Oscillation, Atmospheric Pressure, Little Ice Age
24 Feb 2013
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Climate change over the last 200 years (part 2) Reversal in pacific ocean temperatures: positive warm phase (name based off of the temperatures of. American water: negative cool phase (name based off of the temperatures of. This is associated with winter conditions over the great lakes. Could be related to long-term changes in the north atlantic oscillation (nao: wet and warm conditions are seen on the coast on n. a. when it is positive and vice versa when it is in the negative phase. Only anthropogenic forcing of climate can explain recent anomalous large- scale warming in the late 20th century: could be due to the amount of aerosols in the atmosphere. Changes that occur over long timescales cannot explain current warming. All natural scales show us that the earth should be cooling: the contribution that the collision of india and the rest of asia has is.
