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干旱区科学  2013, Vol. 5 Issue (1): 32-41    DOI: 10.1007/s40333-013-0139-1
  学术论文 本期目录 | 过刊浏览 | 高级检索 |
Observation of saltation activity at Tazhong area in Taklimakan Desert, China
XingHua YANG1,2, Ali MAMTIMIN1,2, Qing HE1,2, XinChun LIU1,2, Wen HUO1,2
1 Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, China;
2 Desert Atmosphere and Environment Observation Experiment of Taklimakan Station, Tazhong 841000, China
Observation of saltation activity at Tazhong area in Taklimakan Desert, China
XingHua YANG1,2, Ali MAMTIMIN1,2, Qing HE1,2, XinChun LIU1,2, Wen HUO1,2
1 Institute of Desert Meteorology, China Meteorological Administration, Urumqi 830002, China;
2 Desert Atmosphere and Environment Observation Experiment of Taklimakan Station, Tazhong 841000, China
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摘要 A two-year field observation of saltation activity was carried out at Tazhong area, the hinterland area of the Taklimakan Desert with highly frequent dust storms. From 1 September 2008 to 31 August 2010, a piezoelectric saltation sensor (Sensit) was used to continuously collect the data on saltation activity at a level sand surface. Analysis on the data suggests that saltation activity can occur at any time of the year when conditions are favorable; however, the necessary conditions are rarely satisfied in most time. In the daytime of spring or summer, saltation activity can persist even over a continuous one-hour-or-so period. It is found that, from 1 September 2008 to 31 August 2010, saltation activity accounts for more than 3% of the total yearly time, and it tends to peak in spring and summer months with strong winds. During winter months when winds are weak, however, it is often at a minimum. It seems that precipitation does not appear to be significant in reducing saltation activity in arid regions like Tazhong.
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XingHua YANG
Ali MAMTIMIN
Qing HE
XinChun LIU
Wen HUO
关键词:  oasis urban development  water-land resources  coupling factors  coupling degree  northern slopes of the Tianshan Mountains    
Abstract: A two-year field observation of saltation activity was carried out at Tazhong area, the hinterland area of the Taklimakan Desert with highly frequent dust storms. From 1 September 2008 to 31 August 2010, a piezoelectric saltation sensor (Sensit) was used to continuously collect the data on saltation activity at a level sand surface. Analysis on the data suggests that saltation activity can occur at any time of the year when conditions are favorable; however, the necessary conditions are rarely satisfied in most time. In the daytime of spring or summer, saltation activity can persist even over a continuous one-hour-or-so period. It is found that, from 1 September 2008 to 31 August 2010, saltation activity accounts for more than 3% of the total yearly time, and it tends to peak in spring and summer months with strong winds. During winter months when winds are weak, however, it is often at a minimum. It seems that precipitation does not appear to be significant in reducing saltation activity in arid regions like Tazhong.
Key words:  oasis urban development    water-land resources    coupling factors    coupling degree    northern slopes of the Tianshan Mountains
 
收稿日期:  2012-03-10                出版日期:  2013-03-06      发布日期:  2013-03-06      期的出版日期:  2013-03-06
基金资助: 

The National Natural Science Foundation of China (41175017, 41175140) and the R & D Special Fund for Public Welfare Industry (meteorology) (GYHY2010¬06012, GYHY201106025).

通讯作者:  Qing HE    E-mail:  qinghe@idm.cn
引用本文:    
XingHua YANG, Ali MAMTIMIN, Qing HE, XinChun LIU, Wen HUO. Observation of saltation activity at Tazhong area in Taklimakan Desert, China[J]. 干旱区科学, 2013, 5(1): 32-41.
XingHua YANG, Ali MAMTIMIN, Qing HE, XinChun LIU, Wen HUO. Observation of saltation activity at Tazhong area in Taklimakan Desert, China. Journal of Arid Land, 2013, 5(1): 32-41.
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