首页 | 本学科首页   官方微博 | 高级检索  
     检索      


The influence of faculae on sunspot heat blocking
Authors:Wei-Hwan Chiang  Peter Foukal
Institution:(1) Atmospheric and Environmental Research, Inc., Cambridge, Mass., USA
Abstract:We study the influence of faculae on sunspot heat blockage using a thermal model based on eddy heat diffusion through the convection zone. The facula is represented as a localized area of excess emission surrounding the sunspot, which is represented as a thermal plug. Our computations using a range of reasonable combinations of spot and facular depths show no significant influence of the facula on the long storage times of heat blocked by sunspots. However, the local cooling of surface layers produced by excess facular emission in this model propagates globally within the convection zone in a similar way to the heating produced by a spot. The net effect of spots and faculae on L odot over time scales longer than an active region lifetime should thus be determined by the global sum of sunspot flux deficits and facular excesses.
Keywords:
本文献已被 SpringerLink 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号