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Watching Fall Leaves

By November 22, 2010Fall colors, time lapse

Have you ever wondered how leaves change their colors? We all have seen trees that go from green to gold to brown in a matter of days, but how do the individual leaves actually make that transition? That was what I was wondering when I set up a little experiment using a scanner and some leaves collected in the yard.

My process was to scan the leaves daily and then make a time-lapse movie of the transformation. If I was being totally scientific, I would have scanned them at exact intervals of time. I got busy during the week and skipped a day or two, but one can clearly see the amazing transformation.

Each leaf represents a specific kind of tree and each changes differently from the others. All of them seem to lose moisture and dry up. Some whither a little and others a lot. One even seems to rot pretty quickly. If I was a scientist I would be interested in the structure of the leaf, the water content, bacteria or microbes present etc. Since I am not, I’ll just marvel at nature’s beauty.

Andrew Hughes