1. Research Center for Environmental Changes (RCEC); Academia Sinica; Taipei Taiwan
2. Institute of Earth Sciences; Academia Sinica; Taipei Taiwan
3. Institute of Astronomy and Astrophysics; Academia Sinica; Taipei Taiwan
4. Graduate Institute of Astronomy; National Central University; Jhongli Taiwan
5. Department of Physics; University of Houston; Houston Texas USA
6. Department of Atmospheric Sciences; National Taiwan University; Taipei Taiwan