Effect of irrigation-induced erosion on the degradation of soils in river valleys of the alpine Pamir

Results of a study were analzyed, which was conducted on the arable stony alpine soils in the Gunt River valley and the upper Panj River. Such soils are occurring in different regions of the Western Pamirs. The physicochemical properties of the soils were studied using conventional methods, and the...

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Bibliographic Details
Published in:Eurasian soil science 2015-03, Vol.48 (3), p.325-335
Main Authors: Golosov, V. N, Sosin, P. M, Belyaev, V. R, Wolfgramm, B, Khodzhaev, Sh. I
Format: Article
Language:English
Subjects:
Conservation of Soils
Degradation
Earth and Environmental Science
Earth Sciences
furrow irrigation
Geotechnical Engineering & Applied Earth Sciences
humus
Irrigation
nutrients
physicochemical properties
Rehabilitation
Rivers
soil
soil degradation
Soil erosion
soil formation
Soils
Studies
temperature
valleys
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Summary:Results of a study were analzyed, which was conducted on the arable stony alpine soils in the Gunt River valley and the upper Panj River. Such soils are occurring in different regions of the Western Pamirs. The physicochemical properties of the soils were studied using conventional methods, and the degradation rate of the soil cover was determined using the radiocesium method. Low contents of humus (2–3° with furrow irrigation, is the main anthropogenic factor of soil degradation. The lower content of humus in the soils of the Panj River valley is due to the larger portion of slopes >3° with furrow irrigation, on which also maximum rates of irrigation-induced erosion (>30 ha/year) were observed.
ISSN:1064-2293
1556-195X
DOI:10.1134/S1064229315010056