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Alluvium (from Latin alluvius, from alluere 'to wash against') is loose clay, silt, sand, or gravel that has been deposited by running water in a stream bed, on a floodplain, in an alluvial fan or beach, or in similar settings. Alluvium is also sometimes called alluvial deposit.
Alluvial soils are rich in humus as they are deposited by three important monkey river of Himalayas, Indus River, Ganges and Brahmaputra River. They are found in the eastern coastal plains of India, particularly in the deltas of rivers Mahanadi, Godavari River, Krishna River and Kaveri.
Alluvial soil is one of the most effective types of soil for use in agriculture. It removes nutrients and other sediments from the flowing water through a filter. It can enhance the quality of the water out of the downstream. Also Read: Different Types of Soil. How is Alluvial Soil Formed?
An alluvial plain is a plain (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.
Alluvial soil is one of the best soils, requiring the least water due to its high porosity. The consistency of alluvial soil ranges from drift sand and rich, loamy soil to silt clays. India is one of the richest countries in the world in terms of alluvial soil, which covers more than 46% of its total land area.
Types of Soil in India – Alluvial Soil. Alluvial soils are widespread in the northern plains and river valleys. It covers about 40% of the total land area of the country. These soils are mainly derived from the debris brought down from the Himalayas. In the Peninsular region, they are found in deltas of the east coast and in the river valleys.
Jan 23, 2016 · Major Soil Types of India – Alluvial Soils – Black Soils – Characteristics, Chemical properties, Distribution, Divisions: Bhabar, Terai, Bhangar, Khadar.
Alluvium is loose earth which sits on top of consolidated sediment (~ rock). It usually consists of loose gravel and clay. Where people live, it is usually covered with "made ground". That is what we call pavements, buildings, and roads. They are the most obvious examples of made ground.
Alluvium, the parent material of alluvial soils, is the sediment deposited by fluvial systems such as rivers and streams. Alluvium includes a wide variety of mineralogical compositions and particle-size distributions, depending on the source of geologic materials and depositional environment.
Oct 19, 2023 · Article. Vocabulary. An alluvial fan is a triangle-shaped deposit of gravel, sand, and even smaller pieces of sediment, such as silt. This sediment is called alluvium. Alluvial fans are usually created as flowing water interacts with mountains, hills, or the steep walls of canyons.
