Auxiliary material for Paper 2012GL054457 A unique seasonal pattern in dissolved elemental mercury in the South China Sea, a tropical and monsoon-dominated marginal sea Chun-Mao Tseng Institute of Oceanography, National Taiwan University, Taipei 106, Taiwan, ROC C. H. Lamborg Woods Hole Oceanographic Institution, MS 51, Woods Hole, MA 02543, USA Shih-Chieh Hsu Research Center for Environmental Changes, Academia Sinica, Taipei 115, Taiwan Tseng, C. M., Lamborg, C. H., Hsu S. C. (2012). A unique seasonal pattern in dissolved elemental mercury in the South China Sea, a tropical and monsoon-dominated marginal sea, Geophys. Res. Lett. 39, DOI:10.1029/2012GL054457 Introduction The auxiliary material contains the information that methods used in this study regarding sampling strategy, analytical measurements, and data sources, assurance, and summary. 1. 2012GL054457 -text01.txt, 2012GL054457 -text01.pdf Text S1. Information for sampling and analysis, and data collection and reliability 2. 2012GL054457-ts01.txt Table S1 Summary of relationship matrix among environmental variables collected at the SEAST station in the SCS between 2003 and 2007. 3. 2012GL054457-ts02.txt Table S2 Summary of seasonal averages in Hg and variables at the SEATS station in the SCS between 2003 and 2007.