海洋出水陶瓷文物腐蚀机制研究取得新进展
海洋出水陶瓷文物腐蚀机制研究取得新进展用连续云顶影像估计热带气旋海面风场
静止气象卫星能够持续观察台风云顶，却无法直接看到海面的风速。合成孔径雷达可以提供分辨率较高的表面风速测量，但覆盖范围与观测时刻有限，数据也难以实时连续取得。研究团队尝试用神经网络把静止卫星影像转换成二维近地面风场，同时从同一套内部表示中估计描述整个风暴强度的指标。 Simon Donike等人的这项研究收录在11月6日更新的计算机科学预印本列表中。
研究者通过逐项改变模型任务来比较效果。结果表明，把整幅风场和风暴尺度指标一起训练，对识别最大风速及其所在半径有帮助，在气旋快速增强的情形中尤其值得关注。研究用途是用高频次云顶观测补充稀疏的海面测量。最大风速有多强以及最强风带在哪里，是两项不同的输出。公开摘要没有给出可直接用于业务预警的误差阈值。
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