Chockstone Forum

      Sponsored By
      ROCK
   HARDWARE

Chockstone Photography

Australian Landscape Prints

Chockstone Forum - General Discussion

General Climbing Discussion

Topic Date User

OT: Moorabal/Lal Lal wind farm 23-Jun-2009 At 1:55:46 PM R James

Message

>
>are you going to enlighten us with what the other forcings are thats causing
>the current warming if its not our CO2 then?
Tony might provide a list, but I expect most people could list a lot of these off the top of their head. eg changes in solar activity, changes in cloud cover (which can be due to many effects), continental drift will alter ocean currents, volcanic action (there are about 5,000 known underwater volcano), cyclic changes in the tilt of the Earth, changes in humidity, changes in sea level and ocean area, gravitational changes within our solar system due to planetary movement etc.

There's many more, but these a probably the main drivers. It's probably fair to say that the influence of each one is poorly understood, and their interactions are highly complex. However, they've been driving climate for millions of years through conditions more extreme than we've seen in our lifetime. It seems, however, that through negative feedback, they've managed to regulate our climate reasonably well through conditions of much higher CO2 levels than we are seeing now.