Climate Change Charts

A central Greenland ice core shows an interesting temperature record going back about 50,000 years.

histo61-1Well what do you know – there was a “hockey stick” shaped increase in temperatures. But let’s look back a little farther:

histo5-1Around the year 1000 there was a Medieval Warming Period (MWP) followed by a Little Ice Age (LIA). How about even further back:

histo4-1What we see is a cooling trend for about 3,000 years. That little hockey stick leaves us still cooler than average.

histo2

In the historical perspective, recent warming is almost invisible.

 

 

 

 

 

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s