*小石 亜弓¹、Chaya Weeraratna²、Musahid Ahmed²、Chenhui Zhu³、Laura N. Lammers^1,4、Michael L. Whittaker¹ (1.Energy Geosciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States、2.Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States、3.Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, United States、4.Department of Environmental Science, Policy, and Management, University of California, Berkeley, CA 94720, United States)