〇hikaru yoshida¹, yuji kuwahara² (1.Major in Urban and Civil Engineering, Graduate School of Science and Engineering, Ibaraki University , 2.Center for Water Environment Studies, IBARAKI University)

〇Yuta Takahashi¹, Takahito Yasuno¹, Akira Sato² (1.Yachiyo Engineering, 2.Geotechservice)

〇AKITO NAKAMURA¹, YASUSHI ICHIMURA¹ (1.Nihon-Mikuniya.Corporation)

〇RAN QIN¹, Yuji KUWAHARA² (1.Major in Urban and Civil Engineering,Graduate School of Science and Engineering,Ibaraki University, 2.Center for Water Environment Studies,Ibaraki University)

〇Shingo Toyoda¹, Yuji Kuwahara² (1.Major in Urban and Civil Engeneering, Graduate School of Science and Engeneering, Ibaraki University, 2.Water Environmental Field Station,GLEC,Ibaraki University)

〇Masashi Tanaka¹, Tomohito Asaka¹, Toshirou Sugimura¹, Takasi Nonaka¹ (1.Nihon University)

〇Kazuhiko TSUJINO¹, Ayato OKUMURA², Shizuku UEYAMA³ (1.National Institute of Technology, Fukui College, 2.National Institute of Technology, Fukui College, Advanced Engineering Course, 3.Kawakami surveying Consultant)

〇masashi sonobe¹, hideki hashiba¹ (1.Nihon University)

〇Koji Mizukami¹, Ichiro Miyatake², Kazuaki Oohira², Akio Takahashi², Ryouzou Fukunaga², Yukihiro Nakajima¹, Toko Takayama¹ (1.Asia Air Survey, 2.Ministry of Land, Infrastructure, Transport and Tourism)