Scroll plain
Encyclopedia
A scroll plain occurs where a river meander
Meander
A meander in general is a bend in a sinuous watercourse. A meander is formed when the moving water in a stream erodes the outer banks and widens its valley. A stream of any volume may assume a meandering course, alternately eroding sediments from the outside of a bend and depositing them on the...

s across an area with a very low gradient, usually with a fairly continuous discharge. In addition to meanders, scroll plains are also characterised by many oxbow lake
Oxbow lake
An oxbow lake is a U-shaped body of water formed when a wide meander from the main stem of a river is cut off to create a lake. This landform is called an oxbow lake for the distinctive curved shape, named after part of a yoke for oxen. In Australia, an oxbow lake is called a billabong, derived...

s.

New Zealand

The upper reaches of the Taieri River
Taieri River
The Taieri River is the fourth-longest river in New Zealand and is located in Otago in the South Island. Rising in the Lammerlaw ranges, it initially flows north, then east around the Rock and Pillar range before turning southeast, reaching the sea 30 km south of Dunedin.The upper reaches meander...

 form a stunning scroll plain near Paerau
Paerau
Paerau is a small settlement in inland Otago in New Zealand's South Island. It is located in the upper valley of the Taieri River), at the foot of the Rock and Pillar Range...

(pictures:http://www.business.otago.ac.nz/SIRC/taieri/cpics/gallery11.htm http://www.maf.govt.nz/mafnet/publications/rmupdate/rm14/rm14-06.gif http://data.gns.cri.nz/geoatlas/image.jsp?id=48407).
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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