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Scanning electron microscope observations on soil crusts and their formation
Year:
1980
Source of publication :
Soil Science
Authors :
מורין, יוסף
;
.
Volume :
130
Co-Authors:
Chen, Y., Department of Soil and Water Sciences, The Hebrew University, Rehovot, 76100, Israel
Tarchitzky, J., Department of Soil and Water Sciences, The Hebrew University, Rehovot, 76100, Israel
Brouwer, J., Department of Soil and Water Sciences, The Hebrew University, Rehovot, 76100, Israel
Morin, J., Department of Soil and Water Sciences, The Hebrew University, Rehovot, 76100, Israel, Soil Conservation Division, Research Unit, The Israel Ministry of Agriculture, Soil Erosion Research Station, Ruppin Institute, Emek Hefer, Israel
Banin, A., Department of Soil and Water Sciences, The Hebrew University, Rehovot, 76100, Israel
Facilitators :
From page:
49
To page:
55
(
Total pages:
7
)
Abstract:
Scanning electron micrographs (SEM) of crusts of loessial soils are presented. SEM observations were performed on crusts formed by raindrop impact at various stages of their formation. The crust structure was compared to the natural undisturbed soil. During the crust formation, a middle-term stage developed at which coarse particles, stripped of the fine ones, composed the surface layer of the soil. At the final stage of the crust formation, the coarse particles were washed away, and a thin seal skin, about 0.1 millimeter thick, formed the uppermost layer of the soil. A depositional crust, which was formed mainly by the translocation of fine particles, was marked by the presence of a thin skin also about 0.1 millimeter thick, suggesting involvement of similar secondary mechanisms of formation. This work illustrates the use of SEM for the study of soil crust formation and structure. © 1980 The Williams & Wilkins Co.
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Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
30030
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:51
Scientific Publication
Scanning electron microscope observations on soil crusts and their formation
130
Chen, Y., Department of Soil and Water Sciences, The Hebrew University, Rehovot, 76100, Israel
Tarchitzky, J., Department of Soil and Water Sciences, The Hebrew University, Rehovot, 76100, Israel
Brouwer, J., Department of Soil and Water Sciences, The Hebrew University, Rehovot, 76100, Israel
Morin, J., Department of Soil and Water Sciences, The Hebrew University, Rehovot, 76100, Israel, Soil Conservation Division, Research Unit, The Israel Ministry of Agriculture, Soil Erosion Research Station, Ruppin Institute, Emek Hefer, Israel
Banin, A., Department of Soil and Water Sciences, The Hebrew University, Rehovot, 76100, Israel
Scanning electron microscope observations on soil crusts and their formation
Scanning electron micrographs (SEM) of crusts of loessial soils are presented. SEM observations were performed on crusts formed by raindrop impact at various stages of their formation. The crust structure was compared to the natural undisturbed soil. During the crust formation, a middle-term stage developed at which coarse particles, stripped of the fine ones, composed the surface layer of the soil. At the final stage of the crust formation, the coarse particles were washed away, and a thin seal skin, about 0.1 millimeter thick, formed the uppermost layer of the soil. A depositional crust, which was formed mainly by the translocation of fine particles, was marked by the presence of a thin skin also about 0.1 millimeter thick, suggesting involvement of similar secondary mechanisms of formation. This work illustrates the use of SEM for the study of soil crust formation and structure. © 1980 The Williams & Wilkins Co.
Scientific Publication
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