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Dartmouth College

2020

Arctic Observation

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Sun, Sea, And Ice: Autonomous Observations Of Sea Ice Mass Balance And The Partitioning Of Solar Radiation In Arctic Sea Ice, Mary Tobin Jan 2020

Sun, Sea, And Ice: Autonomous Observations Of Sea Ice Mass Balance And The Partitioning Of Solar Radiation In Arctic Sea Ice, Mary Tobin

ENGS 88 Honors Thesis (AB Students)

Three optical sensors were integrated into the Seasonal Ice Mass Balance Buoy (SIMB) 3 to autonomously measure Arctic sea ice mass balance and solar radiation partitioning simultaneously to better understand how Arctic sea ice responds to environmental forces and amplifies climate change. Two pyranometers measure incoming and reflected solar irradiance and an underwater quantum sensor measures PAR and transmitted solar radiation. The optical sensor SIMB-3 was sent to the Beaufort Sea, Alaska, for deployment. Due to complications with Covid-19 and dynamic ice conditions, the device is now scheduled for deployment in spring 2021. The results section presents data from a …