Regolith.
A layer of soil at the surface of the ground is subsoil. Subsoil is made up of small particles including silt, sand, and clay.
a soil horizon is a special layer in the soil which measures parallel to the soil surface.
earth's crust, soil layer, outer layer
Soil is the topmost layer of the Earth's crust.
Permafrost
Regolith.
Regolith.
A layer of soil at the surface of the ground is subsoil. Subsoil is made up of small particles including silt, sand, and clay.
Topsoil.
a soil horizon is a special layer in the soil which measures parallel to the soil surface.
earth's crust, soil layer, outer layer
Soil is the topmost layer of the Earth's crust.
litter
In the summer, the soil thaws to some depth below the surface, but the water is trapped in the thawed soil because the permafrost zone is impermeable. Thus solifluction occurs only in the summer when the surface soil layer is thawed. In the winter the surface soil layer is frozen solid.
In the summer, the soil thaws to some depth below the surface, but the water is trapped in the thawed soil because the permafrost zone is impermeable. Thus solifluction occurs only in the summer when the surface soil layer is thawed. In the winter the surface soil layer is frozen solid.
detritus, I think
litter