Characteristics of Wind Regime and Drift Potential in Mu Us Sandy Land

doi:10.7522/j.issn.1000-694X.2018.00024

Journal of Desert Research ›› 2019, Vol. 39 ›› Issue (1): 62-67.DOI: 10.7522/j.issn.1000-694X.2018.00024

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Characteristics of Wind Regime and Drift Potential in Mu Us Sandy Land

Pang Yingjun¹, Wu Bo¹, Jia Xiaohong¹, Shi Lin², Gaodabuxilatu³, Li Shizhong⁴

1. Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100091, China;
2. Ordos Forestry and Desert Control Research Institute, Ordos 017000, Inner Mongolia, China;
3. Administration Bureau of Mu Us Sabina Nature Reserve, Wushen Banner 017300, Inner Mongolia, China;
4. National Forest Seedling Base in Wushen Banner, Wushen Banner 017300, Inner Mongolia, China

Received:2017-12-23 Revised:2018-03-15 Published:2019-02-14

Abstract

Abstract: Based on the field measured wind velocity and direction data in the hinterland of Mu Us Sandy Land, this paper systematically analyzed the variation characteristics of the sand-driving wind and drift potential in Mu Us Sandy Land. The results show that:(1) The sand-driving wind and drift potential in Mu Us Sandy Land were mainly distributed in NW, NNW and N directions. (2) The frequency of sand-driving wind and drift potential in Mu Us Sandy Land between April and May were the largest, accounted for 46.23% and 52.97% of the annual total, respectively. (3) The diurnal variation of the sand-driving wind frequency was unimodal, and the peak value was 22.11% at 16:00. The diurnal variation of the average wind speed showed a bimodal curve:the peak value was 7.84 m·s^-1 at 00:00, and the secondary peak value was 7.63 m·s^-1 at 14:00. (4) The annual drift potential in Mu Us Sandy Land was 66.75 VU, which belonged to the low wind energy environment according to Fryberger's categorization standard of wind energy environment. The RDP/DP was 0.51, which belonged to medium ratio and obtuse bimodal wind condition, and the north peak value was much stronger than the south peak value.

Key words: Mu Us Sandy Land, sand-driving wind, drift potential

CLC Number:

P931.3

Pang Yingjun, Wu Bo, Jia Xiaohong, Shi Lin, Gaodabuxilatu, Li Shizhong. Characteristics of Wind Regime and Drift Potential in Mu Us Sandy Land[J]. Journal of Desert Research, 2019, 39(1): 62-67.

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Characteristics of Wind Regime and Drift Potential in Mu Us Sandy Land

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