Slope

Coastline 2D: gradual 5 degree slope

Illustration of coastline base with gradual 5 degree slope

Coastline 2D: sea-level rise with continental slope

Illustration of a 2D coastline indicating sea-level rise and continental slope

Coastline 2D: steep 45 degree slope

Illustration of coastline base with steep 45 degree slope

River valley 2D: steep and shallow slope

Illustration of a river valley with steep and shallow slope

River valley 3D: gentle slope

Illustration of river valley base with gentle slope

River valley 3D: steep slope

Illustration of river valley base with steep slope

Stream 3D: springs and perched water table

Illustration of stream base with springs and perched water table