Leaves Are Springing Up Earlier Along the Appalachian Trail

 ArcGIS online maps are cool, check this one about "Leaves Are Springing Up Earlier Along the Appalachian Trail" and a summary here.

Here is the Map.

Symbology in this map is designed so that areas with earlier greenup over time appear a shade of red, and areas with later greenup are a shade of blue. Areas where change was less than one day appear as white. Areas with statistically significant change in greenup are outlined - a light blue boundary indicates a p-value of > 0.10, and a yellow boundary indicates a p-value of > 0.05; significant at the 95% confidence level.

A story map is located here.

In the meantime, here is a spring shot of the Trail.