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In geography, a plain is a flat expanse of land that generally does not change much in elevation, and is primarily treeless. Plains occur as lowlands along valleys or at the base of mountains, as coastal plains, and as plateaus or uplands.
A floodplain or flood plain or bottomlands is an area of land adjacent to a river which stretches from the banks of its channel to the base of the enclosing valley walls, and which experiences flooding during periods of high discharge. The soils usually consist of clays, silts, sands, and gravels deposited during floods.
The North China Plain is a large-scale downfaulted rift basin formed in the late Paleogene and Neogene and then modified by the deposits of the Yellow River. It is the largest alluvial plain of China. The plain is bordered to the north by the Yanshan Mountains, to the west by the Taihang Mountains, to the south by the Dabie Mountains, and to the east by the Yellow Sea and Bohai Sea. The Yellow River flows through the middle of the plain into the Bohai Sea.
A braided river, or braided channel, consists of a network of river channels separated by small, often temporary, islands called braid bars or, in English usage, aits or eyots. Braided streams tend to occur in rivers with high sediment loads and/or coarse grain sizes, and in rivers with steeper slopes than typical rivers with straight or meandering channel patterns. They are also associated with rivers with rapid and frequent variation in the amount of water they carry, i.e., with "flashy" rivers, and with rivers with weak banks. Braided channels are found in a variety of environments all over the world, including gravelly mountain streams, sand bed rivers, on alluvial fans, on river deltas, and across depositional plains.
An oxbow lake is a U-shaped lake that forms when a wide meander of a river is cut off, creating a free-standing body of water. In south Texas, oxbows left by the Rio Grande are called resacas. In Australia, oxbow lakes are called billabongs. The word "oxbow" can also refer to a U-shaped bend in a river or stream, whether or not it is cut off from the main stream.
Meander Valley Council is a local government body in northern Tasmania. It covers the western outskirts of Launceston, and further westward along the Meander River. Meander Valley Council is classified as a rural local government area and has a population of 19,713. Major towns and localities of the region include Elizabeth Town, Mole Creek, Westbury and the principal town of Deloraine.
An alluvial plain is a largely flat landform created by the deposition of sediment over a long period of time by one or more rivers coming from highland regions, from which alluvial soil forms. A floodplain is part of the process, being the smaller area over which the rivers flood at a particular period of time, whereas the alluvial plain is the larger area representing the region over which the floodplains have shifted over geological time.
A meander or meandros is a decorative border constructed from a continuous line, shaped into a repeated motif. Such a design is also called the Greek fret or Greek key design, although these are modern designations.
The Luangwa River is one of the major tributaries of the Zambezi River, and one of the four biggest rivers of Zambia. The river generally floods in the rainy season and then falls considerably in the dry season. It is one of the biggest unaltered rivers in Southern Africa and the 52,000 square kilometres (20,000 sq mi) that make up the surrounding valley are home to abundant wildlife.
A meander is one of a series of regular sinuous curves in the channel of a river or other watercourse. It is produced as a watercourse erodes the sediments of an outer, concave bank and deposits sediments on an inner, convex bank which is typically a point bar. The result of this coupled erosion and sedimentation is the formation of a sinuous course as the channel migrates back and forth across the axis of a floodplain.
The scroll in art is an element of ornament and graphic design featuring spirals and rolling incomplete circle motifs, some of which resemble the edge-on view of a book or document in scroll form, though many types are plant-scrolls, which loosely represent plant forms such as vines, with leaves or flowers attached. Scrollwork is a term for some forms of decoration dominated by spiralling scrolls, today used in popular language for two-dimensional decorative flourishes and arabesques of all kinds, especially those with circular or spiralling shapes.
In geology, a backswamp is a type of depositional environment commonly found in a floodplain. It is where deposits of fine silts and clays settle after a flood. These deposits create a marsh-like landscape that is often poorly drained and usually lower than the rest of the floodplain.
A bar in a river is an elevated region of sediment that has been deposited by the flow. Types of bars include mid-channel bars, point bars, and mouth bars. The locations of bars are determined by the geometry of the river and the flow through it. Bars reflect sediment supply conditions, and can show where sediment supply rate is greater than the transport capacity.
The Morača is a major river in Montenegro that originates in the northern region in Kolašin Municipality under mount Rzača. It meanders southwards for 99.5 km (61.8 mi) before emptying into Lake Skadar. Its drainage basin covers 3,257 km2 (1,258 sq mi).
The Vitruvian scroll is a scroll pattern used in architectural moldings and borders in other media. It is also known as the Vitruvian wave, wave scroll, or running dog pattern. The pattern resembles waves in water or a series of parchment scrolls viewed on end.
The Meander Dam is a concrete gravity dam across the Upper Meander River, located in northern Tasmania, Australia. The impounded reservoir is called Lake Huntsman.
The Mississippi Alluvial Plain is a Level III ecoregion designated by the Environmental Protection Agency (EPA) in seven U.S. states, though predominantly in Arkansas, Louisiana, and Mississippi. It parallels the Mississippi River from the Midwestern United States to the Gulf of Mexico.
The Kalanay Cave is a small cave located on the island of Masbate in central Philippines. The cave is located specifically at the northwest coast of the island within the municipality of Aroroy. The artifacts recovered from the site were similar to those found to the Sa Huynh culture of Southern Vietnam. The site is part of the "Sa Huynh-Kalanay Interaction Sphere" which was an Iron Age maritime trading network associated with the Austronesian peoples of the Philippines, Vietnam, Taiwan, as well as most of northeastern Borneo and Southern Thailand. The type of pottery found in the site were dated 400 BC to AD 1500. The "Sa Huynh-Kalanay Interaction Sphere" is characterized by a remarkable continuity in trade goods, including decorated pottery and double-headed pendants and earrings known as lingling-o.
The Dunstan Trail, also known as the Old Dunstan Road, is a historic route in Otago, New Zealand. The road was created during the Central Otago Gold Rush of the 1860s.
The Carcajou Point Site is located in Jefferson County, Wisconsin, on Lake Koshkonong. It is a multi-component site with Prehistoric Upper Mississippian Oneota and Historic components.
References
- ↑ Morgan, Jared. "Scroll plain wetland protected".
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