最近两个太阳极小期的超颗粒光球现象
Photospheric Manifestations of Supergranules During the Last Two Solar Minima
摘要：
太阳超颗粒在产生和构造太阳磁场方面起着重要作用，并作为一种机制负责11年的太阳周期。它在SOHO/MDI多普勒图中被清楚地检测到，从中可以推导出各种属性。技术提取空间，时间和运动学特征，并提供了两个最近的太阳极小期的比较。虽然这些极小值之间的超颗粒寿命是可比的，但它们的尺寸可能在最近的极小值期间略小。
英文摘要：
Solar supergranulation plays an important role in generating and structuring the solar magnetic field and as a mechanism responsible for the 11-year solar cycle. It is clearly detected within SOHO/MDI Dopplergrams, from which a variety of properties may be derived. Techniques that extract spatial, temporal and kinematic characteristics and provide comparisons for the two most recent solar minima are described. Although supergranule lifetimes are comparable between these minima, their sizes maybe slightly smaller during the recent minimum.
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