STUDY OF GENESIS AND MICROMORPHOLOGY OF SOILS ALONG A CATENA IN YASOUJ REGION (CASE STUDY: DASHT-E-ROUM PLAIN)

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OULIAEI H.R.

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Journal: Journal of Water and Soil Year:2012 | Volume:26 | Issue:2 Page(s): 427-439

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Title

STUDY OF GENESIS AND MICROMORPHOLOGY OF SOILS ALONG A CATENA IN YASOUJ REGION (CASE STUDY: DASHT-E-ROUM PLAIN)

Author(s)

OULIAEI H.R. | Issue Writer Certificate

Keywords

FE-MN OXIDESQ2

CATENAQ2

SECONDARY CALCIUM CARBONATEQ2

MICROMORPHOLOGYQ2

Abstract

This study was conducted in order to investigate the effect of topography and groundwater on soil genesis along a CATENA, in Yasouj region. Soils ranged from well drained at the top of the slope to poorly drained with a high water table, at the base of the slope. Six soil profiles in different soil physiographic units were dug, described and sampled. Undisturbed soil samples were collected for micromorphiligical and electron microscopy studies. The results exhibited that carbonate dissolution, translocation and formation of secondary carbonates; removal of FE-MN OXIDES from mineral and their distribution in soil matrix as well as clay eluviation were the main soil genesis processes along the CATENA. The highest amount of carbonate depletion from soil surface was noticed in lowland and plateau physiographic units. SECONDARY CALCIUM CARBONATEs were observed as micrite and sparite crystals, needle shaped nodules and cytomorphic types. The shrink/swell characteristics on wetting and drying cycles may be the main factor explaining destruction of the clay coatings in some argillic horizons. FE-MN OXIDES exhibited different redoximorphic features along the CATENA as affected by topography and groundwater level.

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APA: Copy

OULIAEI, H.R.. (2012). STUDY OF GENESIS AND MICROMORPHOLOGY OF SOILS ALONG A CATENA IN YASOUJ REGION (CASE STUDY: DASHT-E-ROUM PLAIN). JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), 26(2), 427-439. SID. https://sid.ir/paper/141345/en

Vancouver: Copy

OULIAEI H.R.. STUDY OF GENESIS AND MICROMORPHOLOGY OF SOILS ALONG A CATENA IN YASOUJ REGION (CASE STUDY: DASHT-E-ROUM PLAIN). JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY)[Internet]. 2012;26(2):427-439. Available from: https://sid.ir/paper/141345/en

IEEE: Copy

H.R. OULIAEI, “STUDY OF GENESIS AND MICROMORPHOLOGY OF SOILS ALONG A CATENA IN YASOUJ REGION (CASE STUDY: DASHT-E-ROUM PLAIN),” JOURNAL OF WATER AND SOIL (AGRICULTURAL SCIENCES AND TECHNOLOGY), vol. 26, no. 2, pp. 427–439, 2012, [Online]. Available: https://sid.ir/paper/141345/en

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