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14 Result(s)

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  1. Article

    Open Access

    GIL: a tightly coupled GNSS PPP/INS/LiDAR method for precise vehicle navigation

    Accurate positioning and navigation play a vital role in vehicle-related applications, such as autonomous driving and precision agriculture. With the rapid development of Global Navigation Satellite Systems (G...

    **ngxing Li, Huidan Wang, Shengyu Li, Shaoquan Feng, Xuanbin Wang… in Satellite Navigation (2021)

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  2. Article

    Open Access

    Semi-tightly coupled integration of multi-GNSS PPP and S-VINS for precise positioning in GNSS-challenged environments

    Because of its high-precision, low-cost and easy-operation, Precise Point Positioning (PPP) becomes a potential and attractive positioning technique that can be applied to self-driving cars and drones. However...

    **ngxing Li, Xuanbin Wang, Jianchi Liao, **n Li, Shengyu Li… in Satellite Navigation (2021)

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  3. No Access

    Article

    The temporal and spatial fluctuation of the groundwater level along the Tarim Desert Highway

    In this work, a groundwater monitor section along the Tarim Desert Highway was set up, and the groundwater level data were recorded. The temporal and spatial fluctuations of the groundwater level were analyzed...

    **gLong Fan, **nWen Xu, JaQiang Lei, **gFeng Zhao, ShengYu Li… in Chinese Science Bulletin (2008)

  4. No Access

    Article

    The vertical distribution of the root system of the desert highway shelterbelt in the hinterland of the Taklimakan Desert

    In this work, the vertical distribution of the root system in the Tarim Desert Highway shelterbelt under high salinity water drip irrigation was investigated. The effect of site condition and shelterbelt age w...

    **ao**g Wang, **nWen Xu, JiangQiang Lei, ShengYu Li… in Chinese Science Bulletin (2008)

  5. No Access

    Article

    The salt accumulation at the shifting aeolian sandy soil surface with high salinity groundwater drip irrigation in the hinterland of the Taklimakan Desert

    The EC analysis and water serial sampling was performed in the Tarim Desert Highway shelterbelt to explore the water and salt dynamics of the shallow aeolian sandy soil (0–30cm) under high salinity groundwater...

    JianGuo Zhang, **nWen Xu, JiaQiang Lei, ShuGuo Sun… in Chinese Science Bulletin (2008)

  6. No Access

    Article

    Classification and regionalization of the forming environment of windblown sand disasters along the Tarim Desert Highway

    Through the systematic field survey and observations, the factor quantification as well as setting the criteria, the sand disaster-forming environment along the Tarim Desert Highway can be divided into four gr...

    JiaQiang Lei, ShengYu Li, DongDong Fan, HongWei Zhou, Feng Gu… in Chinese Science Bulletin (2008)

  7. No Access

    Article

    The dynamics variation of soil moisture of shelterbelts along the Tarim Desert Highway

    We studied the variation of soil moisture as well as its regularity over the irrigation cycle at shelterbelts along the Tarim Desert Highway at different site types and different planting years. The results sh...

    YongDong Wang, **nWen Xu, JiaQiang Lei, ShengYu Li, ZhiBin Zhou… in Chinese Science Bulletin (2008)

  8. No Access

    Article

    Evaluation of soil fertility of the shelter-forest land along the Tarim Desert Highway

    To study the changes of soil fertility of the shelter-forest land along the Tarim Desert Highway, soils from the forest land were collected at the layers of 0–10 cm, 10–20 cm, 20–30 cm. Different soil fertilit...

    ZhengZhong **, JiaQiang Lei, **nWen Xu, ShengYu Li… in Chinese Science Bulletin (2008)

  9. No Access

    Article

    Comprehensive eco-environmental effects of the shelter-forest ecological engineering along the Tarim Desert Highway

    In this work, we report a comprehensive study about the eco-environmental effects of the shelter forest along the Tarim Desert Highway, including the effects on aeolian environment, soil, micro-climate, biodiv...

    JiaQiang Lei, ShengYu Li, ZhengZhong **, **gLong Fan… in Chinese Science Bulletin (2008)

  10. No Access

    Article

    Topographical changes of ground surface affected by the shelterbelt along the Tarim Desert Highway

    To study the effects of sand protection project on modern aeolian landform, the types, distribution, and intensity of topographical changes of the ground surface affected by the shelterbelt along the Tarim Des...

    ShengYu Li, JiaQiang Lei, **nWen Xu, HaiFeng Wang, **gLong Fan… in Chinese Science Bulletin (2008)

  11. No Access

    Article

    Effects of natural covers on soil evaporation of the shelterbelt along the Tarim Desert Highway

    The control of soil evaporation is one of important approaches to save water. The artificially simulated evaporation experiments have been conducted in the hinterland of the Taklimakan Desert to reveal the eff...

    HongWei Zhou, ShengYu Li, ShuGuo Sun, **nWen Xu, JiaQiang Lei… in Chinese Science Bulletin (2008)

  12. No Access

    Article

    Effect of the shelterbelt along the Tarim Desert Highway on air temperature and humidity

    The temperature and humidity of the shelterbelt micro-climate on both horizontal and vertical scales in the extremely drought area were measured with multiple HOBO temperature and humidity automatic observatio...

    HaiFeng Wang, JiaQiang Lei, ShengYu Li, **gLong Fan… in Chinese Science Bulletin (2008)

  13. No Access

    Article

    Topographical changes of ground surface affected by the Tarim Desert Highway

    The Tarim Desert Highway is the longest highway crossing the mobile desert in the world. The highway and its sand protection system were established in 1995. This great project must have significant effect on ...

    Shengyu Li, Jiaqiang Lei, **nwen Xu, Lixin Wang, Zhibin Zhou… in Chinese Science Bulletin (2006)

  14. No Access

    Article

    Ecological stability of Tarim Desert Highway shelterbelt

    The Tarim Desert Highway shelterbelt, located in hinterland of Taklimakan Desert, is irrigated by underground saline water, with three to thirty gram per litter mineral degrees. The sustainability and stabilit...

    Zhibin Zhou, **nwen Xu, Jiaqiang Lei, Shengyu Li in Chinese Science Bulletin (2006)