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C. S. P. Swetha, Center for Oceans, Rivers, Atmosphere and land sciences (CORAL) IIT Kharagpur, India
Thursday 20 March 2025, 11:00-12:00
Low-level jets in the Amundsen Sea Embayment, West Antarctica
- đ¤ Speaker: C. S. P. Swetha, Center for Oceans, Rivers, Atmosphere and land sciences (CORAL) IIT Kharagpur, India
- đ Date & Time: Thursday 20 March 2025, 11:00 - 12:00
- đ Venue: BAS Seminar Room 330b and Zoom
Abstract
Low-level jets (LLJs) play a crucial role in snow redistribution over ice shelves, sea-ice dynamics, and ocean circulation variability. To better understand these impacts, we analyzed LLJs using radiosonde profiles measured during the late austral summer over the coastal region of the Amundsen Sea Embayment. Additionally, we assessed the performance of the polar-optimized Weather Research and Forecasting (Polar WRF ) model in simulating the observed LLJs and their generation mechanisms. Our findings indicate that katabatic winds and their enhancement by synoptic forcing are the key factors of LLJ formation in this region.
Series This talk is part of the BAS Atmosphere, Ice and Climate Seminars series.
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