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Tennessee is in the Southeastern United States. Most of the state is considered part of the Upland South, and the eastern third is part of Appalachia. [1] Tennessee covers roughly 42,143 square miles (109,150 km 2), of which 926 square miles (2,400 km 2), or 2.2%, is water. It is the 16th smallest state in terms of land area.
The TVA established the stairway of nine dams and locks that turned the Tennessee River into a 652-mile-long river highway. Dams and reservoirs on the main stem of the river include the following (listed from the farthest upstream to the farthest downstream): Fort Loudoun Dam impounds Fort Loudoun Lake; Watts Bar Dam impounds Watts Bar Lake
The Duck River, 284 miles (457 km) long, [1] is the longest river located entirely within the U.S. state of Tennessee. Free flowing for most of its length, the Duck River is home to over 50 species of freshwater mussels and 151 species of fish, making it the most biologically diverse river in North America. The Duck River drains a significant ...
Huntsville had in 2022 a population of over 220,000 people and is the largest city within the Tennessee Valley, and the 100th largest city nationally. Despite being the largest city proper, its Metropolitan Area is the 3rd largest in The Tennessee Valley by population with 510,000 people. Huntsville was also ranked as the best major city to ...
Sequatchie Valley. Coordinates: 35°7′30″N 85°31′44″W. NASA satellite image showing Tennessee's Sequatchie Valley and the Cumberland Plateau (image source: Aqua satellite, MODIS sensor). Sequatchie Valley is a relatively long and narrow valley in the U.S. state of Tennessee and, in some definitions, Alabama. It is generally considered ...
Tennessee-Tombigbee Waterway (red) The locks and dams (L&D) along the Tennessee-Tombigbee Waterway The Tennessee–Tombigbee Waterway (popularly known as the Tenn-Tom) is a 234-mile (377 km) artificial U.S. waterway built in the 20th century from the Tennessee River to the junction of the Black Warrior-Tombigbee River system near Demopolis, Alabama.
Environment of Tennessee. Located in the Southeast United States, Tennessee is a state as diverse as its landscapes. Politically, Tennessee is broken up into three Grand Divisions: East, Middle, and West Tennessee. Physically, Tennessee is also separated into three main types of landforms: river valley plain, highlands and basins, and mountains .
An aquatic ecosystem is an ecosystem found in and around a body of water, in contrast to land-based terrestrial ecosystems. Aquatic ecosystems contain communities of organisms — aquatic life —that are dependent on each other and on their environment. The two main types of aquatic ecosystems are marine ecosystems and freshwater ecosystems. [1]