frozen soil

• permafrostPerpetually frozen earth layer
• tundraFrigid treeless biome
• frostThin ice coating
• iceWater's solid form
• arcticOf extreme northern cold

glacial · hardpan · winter · cold · thaw · digging · shovel · crystalline · rigid · buried · earth · ground · crust · melt · climate · carbon · mammoth · preserved

• frozen thingsice cube, ice cubes, ice block, ice blocks, icicle
• Winter Terrainsnow, ice field, snowdrift, snowpack, frozen tundra
• Russian ArcticMurmansk, tundra, permafrost, Northern Sea Route, polar bear
• soil typesclay soil, sandy soil, loamy soil, rocky soil, loam
• winter farmingfrost damage, greenhouse, cold frame, crop loss, hoop house
• soil sciencesoil, topsoil, subsoil, clay, sand