北极夏季浮冰的物理特征及气-冰交换(英)
Arctic Air/Ice Excohange and Physical Characteristics of Icefloe in Summer出 版 物：《冰川冻土》 (Journal of Glaciology and Geocryology)
年 卷 期：1998年第20卷第4期
页 面：326-329页
核心收录：
摘 要：The flux of sensible heat (SH) and momentum (FM), drag coefficient of momentum (Cm), roughness length of momentum (Zom) and Richardson number (Ri) on the icefloe in Arctic(80°10. 8’ N, 30°0. 5’ E) were calculated by means of the gradient method of turbulent diffusion theory fromthe data of air/ice exchange on the icefloe with different area and different locations on a same ice floe in August, 1991, which were performed by the scientists from Institute of Geophysics, University of Bergen, Norway and Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, *** results show that firstly the quantity of icefloes area is associated with the sensible heat flux and the roughness length of momentum, which seems the smaller area of icefloes, the bigger sensible heat flux and roughness length of momentum ; secondly, the location of measuring stations is also in relation to be exchange of air/ice on a same icefloe, which seems the nearer the boundary between sea water and icefloes, the stronger exchange of air/*** our measuring period was only one week and two different area icefloes were only selected, the above results can not be the final conclusions. However, while these results can be the final conclusions from longer period data on the more different area icefloes, they should provide some effective parameters for modeling experiment on the air-sea-ice exchange.
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