SAND MOVEMENT PATTERNS IN SOUTHERN IRAN

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MESBAHZADEH T.; AHMADI H.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: Desert Year:2014 | Volume:19 | Issue:1 Page(s): 11-15

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Title

SAND MOVEMENT PATTERNS IN SOUTHERN IRAN

Author(s)

MESBAHZADEH T. | AHMADI H. | Issue Writer Certificate

Keywords

WIDE REGIME

SAND DRIFTS POTENTIAL

FRYBERGER METHOD

Abstract

Wind regime data from the Jask meteorological station from a 20 year statistical period (1985-2005) was analyzed using the FRYBERGER METHOD to investigate sand drift potential (DP) in this area. The resultant drift potential and directional variability of wind were calculated and illustrated. Average annual sand DP was estimated to be 460 vector units (VU), and the sand flux is 51 m3/m. year. Therefore, in view of the wind’s erosive power (calculated by software using the Lettau Lettau equation) and according to Fryberger’s classification (1979), this area is categorized as a high energy wind environment. Calculating DPt in different seasons showed that the strongest winds blow in summer and winter (158.8 and 152.4 VU), and autumn had the lowest DP. In summer, the wind blows in a south southeast pattern which differs from that of other seasons. Autumn also has the highest frequency of winds swifter than threshold velocity. The unidirectional index (RDP/DPt) value is 0.08 for this region, which causes the formation of transverse dunes (barkhanoid) from south southeast to north northwest.

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APA: Copy

MESBAHZADEH, T., & AHMADI, H.. (2014). SAND MOVEMENT PATTERNS IN SOUTHERN IRAN. DESERT (BIABAN), 19(1), 11-15. SID. https://sid.ir/paper/637229/en

Vancouver: Copy

MESBAHZADEH T., AHMADI H.. SAND MOVEMENT PATTERNS IN SOUTHERN IRAN. DESERT (BIABAN)[Internet]. 2014;19(1):11-15. Available from: https://sid.ir/paper/637229/en

IEEE: Copy

T. MESBAHZADEH, and H. AHMADI, “SAND MOVEMENT PATTERNS IN SOUTHERN IRAN,” DESERT (BIABAN), vol. 19, no. 1, pp. 11–15, 2014, [Online]. Available: https://sid.ir/paper/637229/en

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