INVESTIGATION ON RELATIONSHIP BETWEEN GRANOLOMETRIC CHARACTERISTICS OF SAND DUNE DEPOSITS AND EROSIVE WIND DIRECTION USING GEOSTATISTICS IN HASAN ABAD OF BAFGH

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GHANEI BAFGHI M.J.; YARAHMADI A.R.

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Journal: Journal of Range and Watershed Managment Year:2010 | Volume:63 | Issue:2 Page(s): 235-248

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Information Journal Paper

Title

INVESTIGATION ON RELATIONSHIP BETWEEN GRANOLOMETRIC CHARACTERISTICS OF SAND DUNE DEPOSITS AND EROSIVE WIND DIRECTION USING GEOSTATISTICS IN HASAN ABAD OF BAFGH

Author(s)

GHANEI BAFGHI M.J. | YARAHMADI A.R. | Issue Writer Certificate

Keywords

GEOSTATISTICSQ3

WIND EROSIONQ2

WIND DIRECTIONQ2

GRANOLOMETRYQ3

SAND DUNEQ3

Abstract

The main purpose of this research is presentation of a geostatistical index for indicating erosive WIND DIRECTION in Hassan Abad. In this research main direction of prevailing wind was found by employing annual, seasonal and monthly wind rose diagrams while morphology of SAND DUNEs and erosive WIND DIRECTIONs are found by questionnaire. The sampling was completed over SAND DUNEs through forty sites over a regular grid (500 by 500 m) and after sieving, cumulative and scattered diagram of sand diameters are drown and mean diameter is calculated. Geostatistical studies were used for identification of spatial correlation (autocorrelation) of granolometric characteristics by variographic studies for identification of granolometeric continuity, range effect (radius of spatial correlation of grains) and spatial correlation anisotropy. In this study relevant and validated variogram demonstrated that the second-order stationary hypothesis is satisfied as well as the most spatial correlation is directed in azimuth of zero degree (direction of erosive wind). Geometric anisotropy analysis of region showed that the maximum diameter of anisotropy ellipsoid is parallel to erosive WIND DIRECTION as well. Finally, mean diameter of sands is estimated in 50×50 meter blocks using ordinary kriging.

Cites

THE EFFECTS OF CONVERSION WINDS ON MORPHOLOGY AND LOCATION OF ERGS AROUND OF THE DASHT-E-KAVIR (IRAN CENTRAL DESERT)

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APA: Copy

GHANEI BAFGHI, M.J., & YARAHMADI, A.R.. (2010). INVESTIGATION ON RELATIONSHIP BETWEEN GRANOLOMETRIC CHARACTERISTICS OF SAND DUNE DEPOSITS AND EROSIVE WIND DIRECTION USING GEOSTATISTICS IN HASAN ABAD OF BAFGH. JOURNAL OF RANGE AND WATERSHED MANAGEMENT (IRANIAN JOURNAL OF NATURAL RESOURCES), 63(2), 235-248. SID. https://sid.ir/paper/162437/en

Vancouver: Copy

GHANEI BAFGHI M.J., YARAHMADI A.R.. INVESTIGATION ON RELATIONSHIP BETWEEN GRANOLOMETRIC CHARACTERISTICS OF SAND DUNE DEPOSITS AND EROSIVE WIND DIRECTION USING GEOSTATISTICS IN HASAN ABAD OF BAFGH. JOURNAL OF RANGE AND WATERSHED MANAGEMENT (IRANIAN JOURNAL OF NATURAL RESOURCES)[Internet]. 2010;63(2):235-248. Available from: https://sid.ir/paper/162437/en

IEEE: Copy

M.J. GHANEI BAFGHI, and A.R. YARAHMADI, “INVESTIGATION ON RELATIONSHIP BETWEEN GRANOLOMETRIC CHARACTERISTICS OF SAND DUNE DEPOSITS AND EROSIVE WIND DIRECTION USING GEOSTATISTICS IN HASAN ABAD OF BAFGH,” JOURNAL OF RANGE AND WATERSHED MANAGEMENT (IRANIAN JOURNAL OF NATURAL RESOURCES), vol. 63, no. 2, pp. 235–248, 2010, [Online]. Available: https://sid.ir/paper/162437/en

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