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[1]HUO Wen,HE Qing,YANG Xing-hua,et al.Study on the Variation Characteristics of Sand Dust Flux Deriving from Multi-sources Types of Sands in the Tarim Basin[J].Research of Soil and Water Conservation,2012,19(05):120-125.

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Study on the Variation Characteristics of Sand Dust Flux Deriving from Multi-sources Types of Sands in the Tarim Basin

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 19 Number of periods: 2012 05 Page number: 120-125 Column: Public date: 2012-10-20

Title:: Study on the Variation Characteristics of Sand Dust Flux Deriving from Multi-sources Types of Sands in the Tarim Basin

Author(s):: HUO Wen^1,2, HE Qing^1,2, YANG Xing-hua^1,2, ALI·Mamtimin^1,2, HUANG You-zhi³; 1. Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, China;
2. Taklimakan Station of Desert Atmosphere and Environment Observation Experiment, Tazhong, Xinjinag 841000, China;
3. Buerjin Meteorological Bureau, Buerjin, Xinjiang 836600, China

Keywords:: sand dust weather; sand dust flux; wind speed; critical friction velocity

CLC:: P425.5⁺5

DOI:: -

Abstract:: In the area with multi-sources types of sand-dust around Tarim Basin, the critical friction velocity was calculated by using the parameters of near-surface layer wind direction, wind speed and impact particle numbers from the observation sites Ruoqiang, Cele, Tazhong, Xiaotang, and the dust transport flux was evaluated by Gillette classic vertical dust transport flux and Lettau horizontal dust transport flux function. The change characteristics of multi-source types of sands in Taklimakan basin were figured out by using wind speed as background value. The results showed that the value of vertical dust transport flux was in a order of 10^-8 kg/(m²·s) and the horizontal dust transport flux was in a order of 10^-4 kg/(m·s). Under the same wind speed, F value in Ruoqiang was the biggest, followed by Cele, Tazhong and Xiaotang, so was the Q value. The vertical dust transport flux was well linearly correlated with wind speed;it increased or decreased with the wind speed. Under the same increasing amplitude of wind speed, the increase amplitude of Q value in Ruoqiang was the biggest, followed by Cele, Tazhong and Xiaotang.

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