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As I understand it, the tree ring thing was that the more recent data is distorted by pollution. That is, the width of each year's ring should be dependent on h
by Zarkonnen 17y ago
As I understand it, the tree ring thing was that the more recent data is distorted by pollution. That is, the width of each year's ring should be dependent on how warm the year was, but the increase in pollution in recent times has caused a decrease in the width of the rings laid down.
- dantheman 17y agoThere are a lot of problems with tree ring data, two of the most important are: 1. It no longer corresponds to the temperatures we measure (last 50 years or so) 2. It is based on very few trees,