Received date: 2020-02-11
Revised date: 2020-06-05
Online published: 2020-12-09
By comparing the observation results of BSNE， MWAC and NFOC sand collectors in the same wind erosion events， we analyzed the characteristics of sediment transport rate in the directional and non-directional state of different types of sand collectors， and explored the effect on wind erosion about average wind speed， friction speed and turbulent structure. The results show that the sediment transport rate of the directional sand collector is obviously lower than that the non-direction sand collector， and the sediment transport rate of both BSNE and NFOC collectors is higher than that of MWAC collectors， but the correlation with wind speed is worse than MWAC collectors. Turbulence on short-time scale has little effect on the amount of sand sediments but has some effect on the sediment transport rate of directional and non-directional about MWAC collectors. By comparing the measured values of various sand collectors and the predicted values of various models， it is shown that the Kawamura model （0.140<RMSE<0.760） is closer to the measured values during the wind erosion events， and can reflect the wind erosion conditions in the region accurately. However， this conclusion still needs to be further discussed.
Zhenyan Liu , Chunping Chang , Zhongling Guo , Jifeng Li , Rende Wang , Qing Li , Yapeng Huang , Xu Li , Jun Liu , Zhensheng Su . A comparative study on field test of sand collectors[J]. Journal of Desert Research, 2020 , 40(6) : 33 -42 . DOI: 10.7522/j.issn.1000-694X.2020.00062
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