alluvial plain


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alluvial plain

[ə′lüv·ē·əl ′plān]
(geology)
A plain formed from the deposition of alluvium usually adjacent to a river that periodically overflows. Also known as aggraded valley plain; river plain; wash plain; waste plain.
References in periodicals archive ?
predominantly silt-sized sediment formed by accumulations of wind-blown dust [32] from the late Pleistocene with mounds and low alluvial plains that are a result of more recent unconsolidation and aggradation.
1]) soil conditions characterise the alluvial plain in the south-west corner of the study area and adjacent to the Darling River.
Yet yields at the large state-run rice farms in the low, flat alluvial plains south of Los Palacios have dropped dramatically since the onset of the "special period" in the early 1990s.
The river bed consists of a cultivated alluvial plain flanked by gently rising hills with semi-arid slopes and some mountains rising to > 1,500 m a.
The expanding range of the American badger into the Mississippi Alluvial Plain of northeastern Arkansas likely originated from southeastern Missouri.
Escalation of groundwater fluoride in the Ganga alluvial plain of India.
Most soils in the study area are saturated with water for long periods, especially in the Alluvial Plain, the Tidal Paleocreeks and the Swamps, where the soil moisture regime is aquic or even peraquic.
Bantam sunfish were collected from all major drainages within the Gulf Coastal Plain (GCP) and Mississippi Alluvial Plain (MAP) physiographic provinces of Arkansas, including the Arkansas, Ouachita, Mississippi, Red, Saline, St.
As coastal rivers re-advanced, thick progradational parasequence sets accumulated where tropical wetland deposits filled marine embayments, until a dryland alluvial plain was established.
Coming back to his first hypothesis for the initial occupation of the Mesopotamian plain, Nutzel explains the evolution of the alluvial plain and the strong alignment of archaeological sites along the tamed channels.
However, in eastern Arkansas an extensive region of prairie, called the "Grand Prairie" occurred on loessal deposits in the alluvial plain of the Mississippi River (Irving et al.
None of these features characterize the Ganga Alluvial Plain, where sediments in the mega fans from the Himalayan rivers that cover major parts of the alluvial plain are sandy, and associated groundwater is not reduced to the level required to cause significant mobilization of As.