挖掘作用
冰川向前运动推进时，使冰床的岩块像被耕犁开掘一般地挖取携带于运动的冰体内，这种挖掘过程称挖掘作用。此种作用在基岩节理较发育、冰下风化作用强烈的地段及冰川越过冰阶时，表现更为明显。
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contributed at 2011-12-23
Classification(s)
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Earth System(in Chinese) Glacial geology
Detailed Description
| Chinese |
|---|
| Name | glacial sapping，glacial plucking |
| Chinese |
|---|
| Name | 挖掘作用 |
| Description | 冰川向前运动推进时，使冰床的岩块像被耕犁开掘一般地挖取携带于运动的冰体内，这种挖掘过程称挖掘作用。此种作用在基岩节理较发育、冰下风化作用强烈的地段及冰川越过冰阶时，表现更为明显。 |
How to Cite
NNU_Group (2011). 挖掘作用, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/5f5860d3-a3ec-4f92-9757-0a6cf2a0882a
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