Encyclopedia
Thermokarst
Thermokarst - a process of melting of underground ice accumulations in soils, accompanied by the occurrence of subsidence and collapses of the ground surface
Source: "RD 51-2-95. Regulation on the Implementation of Environmental Requirements during Placement, Design, Construction and Operation of Subaqueous Crossings of Main Gas Pipelines"
(approved by Order of JSC "Gazprom" No. dated August 8, 1995)