Thank you to our peer reviewers The Editorial Office of Water Science and Engineering would like to express their sincere appreciation to the following peer reviewers for their devotion of time and energy to the journal in the year 2013: Kumud Acharya Ping Ai Mohammad Reza Alam Reza Barati Erich Bauer Fu-lin Cai Guo-qing Cai Shu-you Cao Jun-rui Chai Xiao-bo Chao W. W. Charles K. W. Chau Fang-liang Chen Hui-su Chen Jun Chen Ren-sheng Chen Zhen-tao Cong Wen-hong Dai Jun Deng Wei-hua Deng Hong-qing Fang Hong-wei Fang Jing-feng Gao Kumar Manish Goyal Qing-chao Guo Guo-qi Han Michael Hartnett Jian-jing He Jian-qiang He Peder Hjorth Qiang Huang Wen-li Huang Yue-fei Huang Dong-sheng Jeng Ju-liang Jin Xiao-mei Jin Bryan Karney Abdul A. Khan Yongje Kim Cheng-wang Lei Chun-hui Li Fa-wen Li Guo-ying Li Heng-peng Li Hong-yan Li Ran Li Xian-ning Li Yan Li Yi Li Yi-ping Li Ying-xia Li Yu-chao Li Qiu-hua Liang Shu-xiu Liang Feng-kai Lin Peng Lin Peng-zhi Lin Don Liu Hai-fei Liu Hou-lin Liu Jing-ling Liu Pan Liu Shi-he Liu Yuan-bo Liu Zhao-wei Liu Lian-cong Luo Xi-wu Lü Jun Ma David R. Maidment Joelson Maminirina Chun-mei Mao Alberto Mariano Sanchayan Mukherjee Hans W. Paerl Stefano Pagliara Shun-qi Pan Chong-guang Pang Shi-zhang Peng Rong Qi Zhong-dong Qian Bo-qiang Qin Xiao-sheng Qin Zhong-yi Qu Qing-wen Ren Song-hao Shang Cheng-xue She Zhen-yao Shen Zhen-zhong Shen Feng-yan Shi Jian-yong Shi Ying-qiao Shi Francisco J. M. Simoes Song-bai Song Wen-wu Song Soroosh Sorooshian Li-min Su De-an Sun Hong-guang Sun Soon Keat Tan Wei-xiong Tan Hong-xiang Tang Xue-lin Tang Shi-min Tian Rajiv Tiwari Dao-zeng Wang Dong Wang Hai-yun Wang Hong-chen Wang Hui-min Wang Jian-long Wang Rong-chang Wang Sheng-rui Wang Xia-hui Wang Yin-tang Wang Yong-xue Wang Ze Wang 117 Zhi-xiang Wang Martin Wieland Ken Tse Man Wong Hui-fang Wu Ji-chun Wu Yan Xiang Xing-hua Xie Li-hua Xiong Zong-xue Xu Chun-wei Yang Jie Yang Lin-zhang Yang Ling-qiang Yang Pei-ling Yang Xiao-chen Yang Yong Yang Zhou Yang De-shun Yin Xue-yi You Xin-xiao Yu Zhong-bo Yu Jun-ping Yuan Yu-hong Zeng Chen Zhang Jian Zhang Jian-hai Zhang Qi Zhang Wen-jiang Zhang Xing-nan Zhang Xing-nong Zhang Xing-qi Zhang Yong-liang Zhang Yong-xue Zhang Yu-jun Zhang Zhen-nan Zhang Guang-ju Zhao Ting-hong Zhao Xu Zhao Jin-hai Zheng Wei Zhou Guang-can Zhu Guang-wei Zhu 118 .