Study of mineralogy and sensitivity to moisture soil dust sources, Case Western lands Khuzestan province

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Nourzadeh Haddad Mehdi; LANDI AHMAD

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Journal: GEOGRAPHIC SPACE Year:2019 | Volume:18 | Issue:64 Page(s): 61-74

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Title

Study of mineralogy and sensitivity to moisture soil dust sources, Case Western lands Khuzestan province

Author(s)

Nourzadeh Haddad Mehdi | LANDI AHMAD | Issue Writer Certificate

Keywords

DustQ1

threshold velocityQ1

portable simulatorQ1

dust concentrationQ2

wind erosionQ2

mineralogyQ2

Abstract

Potential of soils for wind erosion related to various agents such as particle size distribution of surface texture, surface moisture, and wind velocity. Two objectives investigated in this research: 1) Relation of Dust concentration with surface moisture and particle size distribution of soil investigated in this research, using portable wind erosion simulator, and 2) mineralogy of Dust sources and arrival Dust of Khuzestan province. These measurements had done at 10 moisture and 11 wind erosion talent’ s regions. Field studies have shown increasing the threshold friction velocity and decreasing produced Dust concentration with increasing moisture in surface soil (0-3 cm) from zero to 3%. However the Dust concentration receives to zero, almost at 2. 8% of moisture. Furthermore the soil of No. 6 region had the minimum, and on the opposite side, the soil No. 2 region had the most increase in threshold velocity. Also soil No. 3 region in dry condition with 161. 26 mg m-3 had the most produced Dust and soil No. 2 in the same condition had the lowest Dust emission with 101. 23 mg m-3 produced Dust. So, decrease rate of Dust concentration’ s changes for soil’ s various regions were different, but at 2. 2% of moisture decreased intensive and going to zero in all regions. Threshold fiction velocity increased more with surface moisture while more PM 100 was available in soil surface texture. Also, soil potential for erosion increased at dry condition while more PM 75 was available in soil surface texture. mineralogy studies shows that most of Dust consisting of Calcite and Quartz and based on the mineralogy of studied lands soil's could say these Dusts have domestic sources.

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APA: Copy

Nourzadeh Haddad, Mehdi, & LANDI, AHMAD. (2019). Study of mineralogy and sensitivity to moisture soil dust sources, Case Western lands Khuzestan province. GEOGRAPHIC SPACE, 18(64 ), 61-74. SID. https://sid.ir/paper/91445/en

Vancouver: Copy

Nourzadeh Haddad Mehdi, LANDI AHMAD. Study of mineralogy and sensitivity to moisture soil dust sources, Case Western lands Khuzestan province. GEOGRAPHIC SPACE[Internet]. 2019;18(64 ):61-74. Available from: https://sid.ir/paper/91445/en

IEEE: Copy

Mehdi Nourzadeh Haddad, and AHMAD LANDI, “Study of mineralogy and sensitivity to moisture soil dust sources, Case Western lands Khuzestan province,” GEOGRAPHIC SPACE, vol. 18, no. 64 , pp. 61–74, 2019, [Online]. Available: https://sid.ir/paper/91445/en

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