School of Marine Geosciences;
Ocean University of China;
Qingdao 266100;
P. R. China;
Second Institute of Oceanography;
State Ocean Administration;
Hangzhou 310012;
P. R. China;
Hainan Academy of Ocean and Fisheries Sciences;
Haikou 570125;
P. R. China;
Porites; lutea; eastern; offshore; area; of; Hainan; Island; Ba/Ca; and; Mn/Ca; ratios; terrigenous; input; precipitation; climate; proxy; records;