Abstract
The work suggest a method to research structure and estimate stress-strained state of perma-frosts, based on Earth's natural pulsed electromagnetic field parameters recording. Unlike previously used geophysical methods applied for such tasks, based on measuring electric and magnetic perma-frosts properties, for the first time the method applied is based on determining structural, strength and deformational properties of the rocks. Algorithm and software-hardware system implementing the method is tested during engineering-cryological mapping of the Yakutia's Chayadinsk oil, gas and condensate field territory where line facilities are located. Examples of varying morfology cryo-genic formations detection are demonstrated as well as method's capacity to be applied to monitor geocryological processes in conditions of technogenic influence and global warming.
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