For the past several years, Yan Liu, a University of Massachusetts Boston doctoral student working with Prof. Crystal Schaaf, has been collaborating with Caitlin McDonough MacKenzie to calibrate new remote sensing data of Acadia National Park to tree and shrub leaf out phenology on the ground.
Yan presented the results of her work at a PhD defense on March 21.
Yan’s work included comparisons of the leaf out times of trees across the entire Mt. Desert Island and among years.
A second aspect involved comparisons of leaf out times along transects with remote sensing images.
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