Syntactic recognition of magnetic anomalies along the Mid-Atlantic Ridge

被引：1
|
作者：
Zhizhin, M
Battaglia, J
Dubois, J
Gvishiani, A
机构：
[1] Russian Acad Sci, Joint Inst Phys Earth, Ctr Geophys Comp Data Studies, CGDS,GC RAS, Moscow 117296, Russia
[2] Inst Phys Globe, Lab Gravimetrie & Geodynam, F-75250 Paris 05, France
来源：
COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II FASCICULE A-SCIENCES DE LA TERRE ET DES PLANETES | 1997年 / 325卷 / 12期
关键词：
Mid-Atlantic Ridge; lithosphere accretion rate; magnetic anomalies; syntactic recognition;
D O I：
10.1016/S1251-8050(97)82379-8
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Identification of magnetic anomalies for the reconstruction of isochrons along oceanic ridges is based on matching similar structural elements (peaks and troughs) of modeled and observed magnetic profiles across the ridge axis. A method of non-linear alignment of profiles is developed for automating identification of the magnetic anomalies. For the magnetic data grid from a high-resolution survey SARA (Segmentation Ancienne de la Ride Atlantique), application of our method to all the profiles forming the rows of the grid allows dating of the crust on the flanks of the Mid-Atlantic Ridge between 28 degrees and 29 degrees N to the age of approximately 10 Ma.
引用
收藏
页码：983 / 990
页数：8
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