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2. 2) Japanese Society of Irrigation, Drainage and Reclamation Engineering, Kyoto branch: Report of the disaster at Awaji Island by typhoon No.16 in 2004, 2005. (in Japanese)
3. 3) Kuroda, S., Nakazato, H., Nihira, S., Hatakeyama, M., Takeuchi, M., Asano, M., Todoroki, Y. and Konno, M.: Cross-hole geo-radar monitoring for moisture distribution and migration in soil beneath an infiltration pit, Proc. of International Optical Engineering, Vol.4758, pp.703-707, 2002.
4. 4) Takeshita, Y., Kobayashi, N., Morii, T. and Inoue, M.: Field-scale estimation of near-surface water content using ground-penetrating radar, 40th Annual conference of JGS, p.1255-1256, 2005.
5. Electromagnetic determination of soil water content: Measurements in coaxial transmission lines