Some geomorphic examples of fluvial landforms are alluvial fans, oxbow lakes, and fluvial terraces. A geologic or geomorphic province is a spatial entity with common geologic or geomorphic attributes. Rivers and streams that cross tectonic boundaries are subject to immense geomorphic change. Coastal biogeomorphology looks at the interaction between marine organisms and coastal geomorphic processes. As a part of the Central Lowland geomorphic province. Desert varnish is also prevalent in the Mojave desert and Great Basin geomorphic province. It is a geomorphic region and an ecoregion. When boundary conditions change significantly, geomorphic systems adjust. Earth scientists typically divide California into eleven distinct geomorphic provinces with clearly defined boundaries. Earth scientists typically divide the state into eleven distinct geomorphic provinces with clearly defined boundaries. Argentina's geomorphic characteristics make the country highly vulnerable to floods. Urban structure generally follows one or more basic patterns&colon; geomorphic, radial, concentric, rectilinear, and curvilinear. The California Coast Ranges are one of the eleven traditional geomorphic provinces of California. Benches can be of different origins and created by very different geomorphic processes. Bioprotection is essentially the effect that organisms have on reducing the action of geomorphic processes.