GEOG 2110L Lecture Notes - Seismic Wave, Geomorphology, Landform

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Definition: the science of landforms; their origin, evolution, form, and spatial distribution. * the development and changes on the earth"s surface over time. Ex: a mountain, a river, a hill, etc. Topography: earth"s ridges, valley"s & other surface features; the change in elevation over the earth"s surface. Uniformitarianism: the theory that geologic events (and others) are caused by natural processes, many of which are operating at the present time. * and that the processes we see today operate in the same way today as they did in the past. Ex: the way a volcano operates today is the same as it did 1000 yrs ago, or 1million years ago, or 1 billion years ago. Tectonic: developed by therearrangement of the earth"s crust, driven by internal energy. ** landforms and systems change, but tend to be in some form of an equilibrium state, when viewed over geologic time. Steady-state: little change, with inputs and outputs equal.

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