Sebastian Wege^1,2, Wu-Cheng Chi¹, Tan Kin Wang², Cédric P Legendre¹, Char-Shine Liu³ and Pascal Kunath¹, (1)Academia Sinica, Institute of Earth Sciences, Taipei, Taiwan, (2)National Taiwan Ocean University, Institute of Earth Sciences, Keelung, Taiwan, (3)National Taiwan University, Ocean Center, Taipei, Taiwan