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Projected changes in climate are expected to increase the frequency of late spring frost events in the Northeast US. Such events can be harmful to trees because freezing temperatures that occur after leaf-out can damage or kill young leaves. The resultant defoliation typically forces a second flush of leaves, but delays canopy development, which in turn delays the onset of canopy carbon uptake and alters canopy thermal properties. In this study, we analyzed a recent freeze event that occurred on 8-9 May 2020 (DOY 129-130) at Black Rock Forest (BRF), which is in the Hudson Highlands of southeastern New York State. We compared satellite images collected during the 2019 (no frost year) and 2020 growing season.


This poster, first place winner for group projects, was presented at the 34th Semi-Annual Dr. Janet Liou-Mark Honors & Undergraduate Research Poster Presentation, May 5, 2021. Mentors: Profs. Aaron Davitt (CUNY Graduate Center) and Andrew B. Reinmann (CUNY Graduate Center, Environmental Sciences Initiative, CUNY ASRC and Hunter College, Department of Geography and Environmental Science).

This project is supported by the National Science Foundation Research Experiences for Undergraduates with support from the support from The National Oceanic and Atmospheric Administration – Cooperative Science Center for Earth System Sciences and Remote Sensing Technologies (NOAA-CESSRST).



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