Climate Change Image: Su Yin Khoo. The Sea is Rising…

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Presentation transcript:

Climate Change Image: Su Yin Khoo

The Sea is Rising…

Warming… Ocean temperatures at 1000 to 700 m depth with yellow is warming at 0.01 to 0.02 o C/year and orange up to 0.4 o C/year from 1950s to 1980s. Source: S. Gille, 2002, Science

… and Acidifying Image © Glynn Gorick

Parts of Antarctica are warming too After Steig et al., Nature, 2009 Degrees C per year

Ice is Melting Source: Earth Observatory, NASA

Image Courtesy of Dan Zwartz

Adelies on the move Image: Judith McKendry

Changing Winds and Currents Image Courtesy of NIWA

Our 100,000 year cycles Since 1900

CO 2 now off the chart Since Now

Forecast 2 degree warming Joshi et al 2011

Ross Ice Shelf Today Last Time CO 2 Hit Today’s Levels

Gone by 2100 Photo by Ray Hoare 33% Sea Ice

Risk from Sea Level Rise - Wellington