Term

J-GLOBAL ID：200906012681110717

permafrost

土質工学・岩盤力学

地学編 / 永久凍土層 / permafrost
地理学編 / 永久凍土 / permafrost

Synonyms (2)：

permafrost (永久凍土層)
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pergelisol (永久凍土層)
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Related terms (4)：

cold region (寒冷地)
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tundra (ツンドラ)
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thermokarst (熱カルスト)
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cryosol (クライオソル)
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Broader terms (1)：

frozen soil (凍土)
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Narrower terms (1)：

active layer (活動層)
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- Detailed information

Thsaurus map：

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