Author Archives: Margaret Kosmala
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
Dawn at the Sevilleta Long Term Ecological Research Site in New Mexico highlights a patchwork of grasses and herbaceous plants.
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
This week has been abysmally cool and wet in Massachusetts. Buds are eager to burst into leaves as soon as we have a little warmth at Harvard Forest. Here the imminent green of new spring leaves vibrates against the orange … Continue reading
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
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
A turkey vulture takes a rest on in front of the new NEON PhenoCam at the Smithsonian Environmental Research Center (SERC) in Maryland.
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
Trees are putting out leaves at Alligator River National Wildlife Refuge in North Carolina.
Our lunar PhenoCam helps us track seasons on the moon. Because of the minor tilt in the moon’s axis (only about 1.5 degrees), seasonal change on the moon is subtle and hard to measure with on-the-ground methods.