Posted on May 10, 2021
NOAA EPP/MSI CESSRST Earth System Sciences and Remote Sensing graduate scholar, Veeshan Narinesingh successfully delivered a talk on April 30, 2021, at the Environmental Science Seminar Series organized by The City College of New York’s (CCNY) Division of Science. The talk was titled, ‘Atmospheric blocking: fundamentals, climate change, and response to forcing from orography.’ It related directly to Veeshan’s National Oceanic and Atmospheric Administration (NOAA) mission-driven doctoral research and NOAA Experiential Research and Training Opportunity (NERTO) internship titled, ‘Understanding the Physical Characteristics of Atmospheric Blocking Using a hierarchy of General Circulation Models.’ He is conducting the research under NOAA CESSRST faculty advisor Jimmy Booth, Associate Professor at CCNY and NOAA mentor, Dr. Yi Ming, Leader, Division of Atmospheric Physics at NOAA’s Geophysical Fluid Dynamics Laboratory (GFDL).
In his talk, Veeshan began by providing a brief overview of atmospheric blocking, highlighting that it plays an important role in producing everyday weather phenomena and explaining how blocks in the atmosphere are tracked. Then he emphasized that to be prepared for blocking in future climates it is not only vital to understand and raise awareness about the change but also the reasoning behind the change. He explained what blocking climatology is and represented blocking in the past, present and future. Further, he stressed that orography, a branch of physical geography dealing with mountains, induces stationary waves and thus plays a vital role in setting where blocks most and least frequently occur. Such stationary wave changes could lead to factors driving blocking in future climates and blocking biases in GFDL models.
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