The Wegener-Bergeron-Findeisen process - Its discovery and vital importance for weather and climate
The Wegener-Bergeron-Findeisen process - Its discovery and vital importance for weather and climate
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韦格纳-伯杰龙-芬德森过程 - 它的发现及其对天气和气候的至关重要
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发表时间：
2015
期刊：
影响因子：
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通讯作者：
I. Tan
中科院分区：
文献类型：
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作者：
T. Storelvmo;I. Tan
Wegener-Bergeron-Findeisen过程是指冰晶以周围云滴为代价的快速增长，这经常发生在大气混合相云中。这一过程是由于液体和冰的饱和蒸汽压不同，在某些情况下可能会导致地球大气中温度在−40 °C至0 °C之间的突然和完全的云冰川作用。这一过程是以三位活跃在世纪上半叶的杰出科学家的名字命名的，他们中有德国气象学家沃尔特·芬德森（1909-1945）。在1938年发表的经典论文中，芬德森描述了当时对韦格纳-贝杰龙-芬德森过程和其他关键云微物理过程的理解。在这里，我们比较了当时和现在对上述过程的理解，发现它们非常相似。我们还讨论了如何在最先进的大气数值模式中实施Wegener-Bergeron-Findeisen过程，并强调其对天气和气候的重要性。
The Wegener-Bergeron-Findeisen process refers to the rapid growth of ice crystals at the expense of surrounding cloud droplets, which frequently occurs in atmospheric mixed-phase clouds. The process is a result of the difference in saturation vapor pressures with respect to liquid and ice, and may in some circumstances lead to abrupt and complete cloud glaciation at temperatures between −40 °C and 0 °C in the Earth’s atmosphere. The process is named after three eminent scientists who were active in the first half of the 20 th century, among them being German meteorologist Walter Findeisen (1909–1945). In his classical paper published in 1938, Findeisen described the contemporary understanding of the Wegener-Bergeron-Findeisen process and other key cloud microphysical processes. Here, we compare the understanding of aforementioned processes at the time with that of the present, and find that they are remarkably similar. We also discuss how the Wegener-Bergeron-Findeisen process is implemented in state-of-the-art numerical models of the atmosphere, and highlight its importance for both weather and climate.