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报告题目:GAP: generative assimilation and prediction for weather and climate

报告时间:2025年11月5日 10:30-12:00

报告地点:清华大学蒙民伟科技大楼南楼818

主 讲 人:潘宝祥/副研究员

报告时间 2025年11月5日 10:30-12:00 报告地点 清华大学蒙民伟科技大楼南楼818
主 讲 人 潘宝祥/副研究员

讲座简介:

Weather forecast cares about plausible weather trajectories given incomplete knowledge of current weather status and imperfect forecasting models. Climate prediction cares about climate variability as revealed by a group of imperfect models, under various forcing scenarios. The distinction results from chaotic nature of geophysical fluid dynamics, putting a limit on weather predictability, endorsing climate prediction its in-deterministic nature, and leaving in between a battle field of predictability signal v.s. internal variability noise at subseasonal to seasonal scale.

In this seminar, I will show how we break this long-standing distinction between weather forecast and climate prediction by quantifying the probabilistic distribution of climate state given observational and predictive constraints, using deep generative model. I will also demonstrate the unique advantage of this methodology for data assimilation, seamless forecast, and climate simulation.

主讲人简介:

Baoxiang Pan is currently an associate research scientist at Institute of Atmospheric Physics Chinese Academy of Sciences (IAP-CAS). He obtained his PhD from University of California, Irvine. Before joining IAP, he was a research scientist at Lawrence Livermore National Lab. His research interest is to combine probabilistic machine learning with process models for better forecast across scales.

#腾讯会议:321-915-638

直播链接:https://weibo.com/u/2404245107

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