Tree-Ring Background Information
A tree-ring reconstruction is a best-estimate of past streamflows, based on the relationship between tree-ring data and observed streamflow over the modern period.
![](https://www.treeflow.info/sites/default/files/slope_pinyons.jpg)
A tree-ring reconstruction is a best-estimate of past streamflows, based on the relationship between tree-ring data and observed streamflow over the modern period.