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  • 1
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    A New Instrument for Testing Wind Erosion by Soil Surface Shape Change (2011)
    Hindawi
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    Publication Date: 2011-03-02
    Description: Wind erosion, a primary cause of soil degeneration, is a problem in arid and semiarid areas throughout the world. Many methods are available to study soil erosion, but there is no an effective method for making quantitative measurements in the field. To solve this problem, we have developed a new instrument that can measure the change in the shape of the soil surface, allowing quick quantification of wind erosion. In this paper, the construction and principle of the new instrument are described. Field experiments are carried out using the instrument, and the data are analyzed. The erosion depth is found to vary by 11% compared to the average for measurement areas ranging from 30×30 cm2 to 10×10 cm2. The results show that the instrument is convenient and reliable for quantitatively measuring wind erosion in the field.
    Print ISSN: 1687-7667
    Electronic ISSN: 1687-7675
    Topics: Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Published by Hindawi
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  • 2
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    General electrochemical assembling to porous nanowires with high adaptability to water treatment (2011)
    Royal Society of Chemistry (RSC)
    Details
    Publication Date: 2011-02-02
    Description: Xi-Hong Lu, De-Zhou Zheng, Ming Xu, Yun-Yun Huang, Shi-Lei Xie, Zhao-Qing Liu, Chao-Lun Liang, Peng Liu, Ye-Xiang Tong (Paper from CrystEngComm) Xi-Hong Lu, CrystEngComm, 2011, DOI: 10.1039/c0ce00519c To cite this article before page numbers are assigned, use the DOI form of citation above. The content of this RSS Feed (c) The Royal Society of Chemistry
    Electronic ISSN: 1466-8033
    Topics: Geosciences , Physics
    Published by Royal Society of Chemistry (RSC)
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  • 3
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    Influence of Ice Nuclei Parameterization Schemes on the Hail Process (2018)
    Hindawi
    Details
    Publication Date: 2018-03-05
    Description: Ice nuclei are very important factors as they significantly affect the development and evolvement of convective clouds such as hail clouds. In this study, numerical simulations of hail processes in the Zhejiang Province were conducted using a mesoscale numerical model (WRF v3.4). The effects of six ice nuclei parameterization schemes on the macroscopic and microscopic structures of hail clouds were compared. The effect of the ice nuclei concentration on ground hailfall is stronger than that on ground rainfall. There were significant spatiotemporal, intensity, and distribution differences in hailfall. Changes in the ice nuclei concentration caused different changes in hydrometeors and directly affected the ice crystals, and, hence, the spatiotemporal distribution of other hydrometeors and the thermodynamic structure of clouds. An increased ice nuclei concentration raises the initial concentration of ice crystals with higher mixing ratio. In the developing and early maturation stages of hail cloud, a larger number of ice crystals competed for water vapor with increasing ice nuclei concentration. This effect prevents ice crystals from maturing into snow particles and inhibits the formation and growth of hail embryos. During later maturation stages, updraft in the cloud intensified and more supercooled water was transported above the 0°C level, benefitting the production and growth of hail particles. An increased ice nuclei concentration therefore favors the formation of hail.
    Print ISSN: 1687-9309
    Electronic ISSN: 1687-9317
    Topics: Geosciences , Physics
    Published by Hindawi
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