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HLEM and magnetic surveys: examples from the Orkhun Valley, Mongolia
Author(s) -
Batmunkh D.,
Tosun S.,
Gündoğdu B.,
Candansayar M. E.,
Ulugergerli E. U.
Publication year - 2004
Publication title -
archaeological prospection
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.785
H-Index - 38
eISSN - 1099-0763
pISSN - 1075-2196
DOI - 10.1002/arp.225
Subject(s) - filter (signal processing) , magnetic survey , point (geometry) , data processing , simple (philosophy) , geology , remote sensing , computer science , geography , geodesy , geophysics , magnetic anomaly , computer vision , mathematics , database , geometry , philosophy , epistemology
Archeologically valuable items and remains that have, somehow, been buried or removed from their original places are the subject of geophysical surveys. Magnetic and horizontal loop electromagnetic (HLEM) methods have been used to locate and limit anomalous regions over large areas. Magnetic data are presented here without applying any modelling process other than simple cleaning of outlines. Median filter and three‐point averaging have been applied to the HLEM data and ratios of measurements parallel and perpendicular to survey lines are presented as maps of the survey area. Results show that different processing techniques produce helpful information, validating the use of different methods over ancient monument areas in Mongolia. Copyright © 2004 John Wiley & Sons, Ltd.

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