History of Anthropogenic Impacts Recorded in 70yr- Tuvalu Coral Annual Bands

Nobuko Nakamura1, Shigenori Ogihara2, Hajime Kayanne2, Go Hosoi3 and Hiroya Yamano4, (1)Keio University, Tokyo, Japan, (2)The University of Tokyo, Department of Earth and Planetary Science, Japan, (3)Dentsu Inc., Japan, (4)National Institute for Environmental Studies, Tsukuba, Japan