Category Archives: Research

Season Spotter Major News

Posted on September 16, 2016 by

Sorry that it’s been so quiet on the blog this summer. We’ve been busy analyzing all the data you have helped produce and we’ve written and published the first Season Spotter paper! In the paper, which was published in the … Continue reading →

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Season Spotter Jornada

Posted on May 18, 2016 by

Sorry for the lack of posts last week. I have been intensely working on all the data you all have generated in Season Spotter and putting together a scientific paper. Thanks so much for helping out to get those fall … Continue reading →

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Results from tree outlining

Posted on May 4, 2016 by

In Season Spotter Image Marking, one of the tasks we ask you to do is to outline individual trees and tell us if they are broadleaf trees or needle-leaf ones. It’s easier to see different trees at different times of … Continue reading →

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Spring Challenge more results

Posted on April 20, 2016 by

Last week I described some initial results from the Spring Challenge. I showed how we used individual classifications to build a dataset for a single site in a a single year. And we discovered that using paired images 7 days … Continue reading →

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Spring Challenge first results

Posted on April 13, 2016 by

Having all the pairs of spring images classified means I can now analyze them! In particular, I’m using these images to get a best estimate for the “start of spring” and the “end of spring”. These are metrics that are … Continue reading →

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Pairs of spring images

Posted on March 2, 2016 by

Spring is in the air. And for deciduous trees, spring means putting out new green leaves. Scientists still can’t predict with absolute accuracy the date that little green buds appear on trees, but they’ve figured out some of the things … Continue reading →

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Using nature journals to study phenology

Posted on February 10, 2016 by

Over time, many amateur and professional naturalists have kept journals to record their observations in nature. As observations are made at the same location over time, patterns of change begin to emerge. Records of these changes can provide evidence of … Continue reading →

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Poles and panels

Posted on January 27, 2016 by

You may have seen some hardware equipment poking out from the bottoms of some of the PhenoCam images — poles and panels. Why are they there? And what are they for? Early in the days of the PhenoCam network, we … Continue reading →

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Warmer temperatures allow plants to stay green longer in autumn

Posted on January 20, 2016 by

In September, I wrote a blog post about our research at the SPRUCE site in Minnesota, where a Department of Energy project is trying to answer the question: What effects will warmer temperatures and rising atmospheric carbon dioxide have on … Continue reading →

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Science of phenology (video)

Posted on January 6, 2016 by

Collaborators at NEON have put together a five-minute video about measuring phenology for science. Check out the how and why of we study phenolgy:

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