The Inter-Relationship Between Irrigation, Drainage and the Environment in the Aral Sea Basin (Softcover Reprint of the Original 1st 1996)Paperback - Softcover Reprint of the Original 1st 1996, 20 September 2011

The Inter-Relationship Between Irrigation, Drainage and the Environment in the Aral Sea Basin (Softcover Reprint of the Original 1st 1996)
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Part of Series
NATO Science Partnership Subseries: 2
Part of Series
NATO Science Partnership Subseries: 2 (Closed)
Print Length
242 pages
Language
English
Publisher
Springer
Date Published
20 Sep 2011
ISBN-10
9401072906
ISBN-13
9789401072908

Description

The irrigated area in the Aral Sea basin totals about 7. 5 million hectare. Part of the water supplied to this area is consumed by the irrigated crop; the remainder of the supplied water drains to the groundwater basin, to downstream depressions, or back to the rivers. During its use, however, this drained part of the water accumulates salts and chemicals. The disposal of this polluted water causes a variety of (environmental) problems. If the percentage consumed water of the total water supply to an irrigated area (the so-called overall consumed ratio) can be increased, less water needs to be drained. This alleviates part of the related (environmental) problems. Further, if the overall consumed ratio for the above 7. 5 million hectare is improved, less water needs to be diverted from the rivers. Hence, more water can flow towards the Aral Sea. As mentioned above, part of the non-consumed irrigation water drains to the groundwater basin. Commonly, the natural discharge capacity of this basin is insufficient to handle this imported water. As a result, the groundwater table rises towards the land surface causing waterlogging. In (semi-)arid zones this waterlogging triggers a soil salinity problem resulting to a significant reduction in crop yields. The artificial increase of the discharge capacity, and lowering of the groundwater table, solves the soil salinity problem.

Product Details

Book Edition:
Softcover Reprint of the Original 1st 1996
Book Format:
Paperback
Country of Origin:
NL
Date Published:
20 September 2011
Dimensions:
23.39 x 15.6 x 1.35 cm
ISBN-10:
9401072906
ISBN-13:
9789401072908
Language:
English
Location:
Dordrecht
Pages:
242
Publisher:
Springer
Weight:
358.34 gm

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