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The U.S. state of Tennessee is geographically diverse, with varying terrains and several distinct physiographic regions.Its landforms range from the Blue Ridge Mountains in the eastern part of the state to flat and fertile plains along the Mississippi River.
The three regions are geographically and culturally distinct. [9] East Tennessee's landscape is dominated by the Appalachian mountain chain, including the Great Smoky Mountains on the eastern border of the state, the ridge-and-valley region where East Tennessee's principal cities (Knoxville, Chattanooga, and the Tri-Cities) are located, and the rugged Cumberland Mountains.
Valley and Ridge province of the Appalachian Highlands and its three physiographic sections: the Hudson, the Central, and the Tennessee Rivers. The eastern head of the Ridge and Valley region is marked by the Great Appalachian Valley, which lies just west of the Blue Ridge.
The Cumberland Plateau is a physiographic section of the larger Appalachian Plateau province, which in turn is part of the larger Appalachian Highlands physiographic division. [2] The Plateau rises about 1,000 feet (300 m) above the surrounding areas in the region (Tennessee Vacation, 2018).
The Highland Rim is a physiographic section of the larger Interior Low Plateaus province, which in turn is part of the larger Interior Plains physiographic division. [1] Most of the Highland Rim is located in U.S. EPA Ecoregion 71, Interior Plateau, which is a part of the Eastern Temperate Forest.
The physiographic regions of the contiguous United States comprise 8 divisions, 25 provinces, and 85 sections. [1] The system dates to Nevin Fenneman's report Physiographic Divisions of the United States, published in 1916. [2] [3] The map was updated and republished by the Association of American Geographers in 1928. [4]
Physiographic regions are a means of defining Earth's landforms into independently distinct, mutually exclusive areas, independent of political boundaries. It is based upon the classic three-tiered approach by Nevin M. Fenneman in 1916, that separates landforms into physiographic divisions, physiographic provinces , and physiographic sections.
The landforms of Earth are generally divided into physiographic regions, consisting of physiographic provinces, which in turn consist of physiographic sections, [1] [2] [3] though some others use different terminology, such as realms, regions and subregions. [4] Some areas have further categorized their respective areas into more detailed ...