Journal of Forestry Research

, Volume 29, Issue 5, pp 1415–1422 | Cite as

Reduction of electric field strength by two species of trees under power transmission lines

  • Hongwei ZhouEmail author
  • Liping SunEmail author
  • Yang Yang
  • Che Liu
  • Tianshi Liu
  • Penghao Xie
  • Ling Ma
Original Paper


Electrical pollution is a worldwide concern, because it is potentially harmful to human health. Trees not only play a significant role in moderating the climate, but also can be used as shields against electrical pollution. Shielding effects on the electric field strength under transmission lines by two tree species, Populus alba and Larix gmelinii, were examined in this study. The electrical resistivity at different heights of trees was measured using a PiCUS sonic tomograph, which can image the electrical impedance for trees. The electric field strength around the trees was measured with an elf field strength measurement system, HI-3604, and combined with tree resistivity to develop a model for calculating the electric field intensity around trees using the finite element method. In addition, the feasibility of the finite element method was confirmed by comparing the calculated results and experimental data. The results showed that the trees did reduce the electric field strength. The electric field intensity was reduced by 95.6%, and P. alba was better than L. gmelinii at shielding.


Trees Power transmission lines Electric environment Tree electrical resistivity Shielding Finite element method 


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Copyright information

© Northeast Forestry University and Springer-Verlag GmbH Germany, part of Springer Nature 2017

Authors and Affiliations

  1. 1.Northeast Forestry UniversityHarbinPeople’s Republic of China
  2. 2.Department of Electrical EngineeringTsinghua UniversityBeijingPeople’s Republic of China

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