1990 年後,中央氣象局開始使用高速電腦,並且使用美國國家大氣研究中心 (NCAR) 為首開發的 Weather Research and Forecasting 模型做數值運算,利用系集式方法,藉由不同的物理模式或參數改變,模擬出如同「蝴蝶效應」的結果,運算出多種颱風的可能行進路線。預測時間拉長後,誤差累積也更多,行進路徑的可能性當然也會越廣。
不用為了天氣捐贈你的 D 槽,就交給電腦科學家接棒上場吧。從 CPU、GPU 間的通訊、使用 GPU 來做計算加速或是作為主要運算元件、到改寫符合新架構的軟體程式、以及資料壓縮與讀寫 (I/O)。同時還要加上「資料同化」時所需的衛星或是全球量測資料。明明是做氣象預報,卻需要等同發展 AI 的電腦科技做輔助,任務十分龐大。對這部分有興趣的朋友可以參考我們之前的這一集喔!
I have been a massive fan of Frank Herbert’s Dune since childhood due to the fantastical world he first envisioned many decades ago, to be able to look at it as a scientist was a fantastic experience and brought back that childhood wonder. So, I hope this work equally inspires others to learn about how our climate works, how we should not take our planet for granted and maybe even inspires the next generation of climate scientists.
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