Open AccessThermokarst — a mechanism of de‐icing ice‐cored moraines
Author(s) -
HEALY TERRY R.
Publication year - 1975
Publication title -
boreas
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.95
H-Index - 74
eISSN - 1502-3885
pISSN - 0300-9483
DOI - 10.1111/j.1502-3885.1975.tb00676.x
Subject(s) - thermokarst , moraine , geology , permafrost , cave , ice stream , geomorphology , glacier , physical geography , outwash plain , earth science , cryosphere , climatology , archaeology , oceanography , sea ice , geography
Thermokarst features occur widely in the younger ice‐cored moraines and kame terraces in the Dry Valleys region of Victoria Land, Antarctica Common forms are melt dolines, caves, natural bridges, and subsurface. flow. Such features typically develop in stagnant glacial ice with a low material exchange. The development of a thermokarst cave system near the Taylor Glacier during the southern summer of 1973–74 is described, and the role of the thermokarst process in land‐form development in the Dry Valleys area is discussed.