Mukbil at 15:22, 1 September 2021

2021-09-01T15:22:47Z

← Older revision		Revision as of 15:22, 1 September 2021
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	'''Atrai Basin'''~~''' '''~~a small physiographic unit occupying a low-lying area where mixed [[sediment]]s from the [[atrai]] and [[ganges]] and from the [[barind tract]] overlie the down-warped southern edge of the Barind Tract. The landscape north of the Atrai is mainly smooth, but [[floodplain]] ridges and extensive basins occur south of the river.		'''Atrai Basin''' a small physiographic unit occupying a low-lying area where mixed [[sediment]]s from the [[Atrai River\|atrai]] and [[Ganges River\|ganges]] and from the [[Barind Tract\|barind tract]] overlie the down-warped southern edge of the Barind Tract. The landscape north of the Atrai is mainly smooth, but [[floodplain]] ridges and extensive basins occur south of the river.

	Heavy clay soils predominate, but loamy soils occur on ridges in the south and the west. Drainage from this unit is blocked when high river levels in the [[jamuna]] burden the exit through the [[hurasagar]]. Seasonal flooding was formerly deep, and extensive areas in [[chalan beel]] used to remain wet throughout the year. The construction of polders since 1960s has improved drainage to some extent. However, deep flooding can still occur within polders as well as outside when there is heavy [[rainfall]] locally and when flash floods flow down the Atrai or off the adjoining Barind Tract, causing natural or manmade breaches of [[embankment]]s. [Jabed Kalim~~] [Kalim, Jabed Geographer, Dhaka~~]		Heavy clay soils predominate, but loamy soils occur on ridges in the south and the west. Drainage from this unit is blocked when high river levels in the [[Jamuna River\|jamuna]] burden the exit through the [[Hurasagar River\|hurasagar]]. Seasonal flooding was formerly deep, and extensive areas in [[Chalan Beel\|chalan beel]] used to remain wet throughout the year. The construction of polders since 1960s has improved drainage to some extent. However, deep flooding can still occur within polders as well as outside when there is heavy [[rainfall]] locally and when flash floods flow down the Atrai or off the adjoining Barind Tract, causing natural or manmade breaches of [[embankment]]s. [Jabed Kalim]

	[[Category:Natural Sciences]]		[[Category:Natural Sciences]]

	[[bn:আত্রাই অববাহিকা]]		[[bn:আত্রাই অববাহিকা]]

0:0:0:0:0:0:0:1: Content Updated.

2021-06-17T18:57:39Z

Content Updated.

New page

'''Atrai Basin'''''' '''a small physiographic unit occupying a low-lying area where mixed [[sediment]]s from the [[atrai]] and [[ganges]] and from the [[barind tract]] overlie the down-warped southern edge of the Barind Tract. The landscape north of the Atrai is mainly smooth, but [[floodplain]] ridges and extensive basins occur south of the river.

Heavy clay soils predominate, but loamy soils occur on ridges in the south and the west. Drainage from this unit is blocked when high river levels in the [[jamuna]] burden the exit through the [[hurasagar]]. Seasonal flooding was formerly deep, and extensive areas in [[chalan beel]] used to remain wet throughout the year. The construction of polders since 1960s has improved drainage to some extent. However, deep flooding can still occur within polders as well as outside when there is heavy [[rainfall]] locally and when flash floods flow down the Atrai or off the adjoining Barind Tract, causing natural or manmade breaches of [[embankment]]s. [Jabed Kalim] [Kalim, Jabed Geographer, Dhaka]

[[Category:Natural Sciences]]

[[bn:আত্রাই অববাহিকা]]

Atrai Basin - Revision history

Mukbil at 15:22, 1 September 2021

0:0:0:0:0:0:0:1: Content Updated.