*Ludvig A Lowemark¹、GEORGE KONTSEVICH¹、Akkaneewut Chabangborn²、Sakonvan Chawchai²、Helmut Duerrast³、Mao-Chang Liang⁴、Midhun Madhavan⁵、Chung-Ho Wang⁶ (1.Department of Geosciences, National Taiwan University, No 1. Sec. 4 Roosevelt Road, P.O. Box 13-318, 106 Taipei, Taiwan、2.Department of Geology, Faculty of Science, Chulalongkorn University, Phayathai Rd., Bangkok, 10330, Thailand、3.Geophysics, Division of Physical Science, Faculty of Science, Prince of Songkla University, Kanjanavanich Road 15, Hat Yai, 90110, Thailand、4.Research Center for Environmental Changes, Academia Sinica, 128, Sec. 2, Academia Road, Nankang, Taipei 11529, Taiwan、5.Department of Atmospheric Sciences, Cochin University of Science and Technology, Kochi, India、6.Institute of Earth Sciences, Academia Sinica, 128, Sec. 2, Academia Road, Nankang, Taipei 11529, Taiwan)