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Geomorphology is the science of Earth's landforms, exploring such diverse questions as how rivers erode sediment, what landforms were like when humans evolved, why rock surfaces have different colors, and where floods and landslides can be avoided. Teaching and research in the interdisciplinary field of geomorphology occurs in college departments of geography, geology, civil engineering, and sometimes archaeology, soils, and hydrology.

Any point on Earth's surface can go up in elevation, remain in place, or go down in elevation through erosion. Volcanic and tectonic geomorphologists focus on the building of relief through volcanic events, faulting, or folding rocks. Eolian (wind), coastal, and glacial geomorphologists study both the buildup of relief and its erosion. Weathering and soil specialists study the transformation of rocks into smaller fragments and ...

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