主要从事热带海洋环流动力学与季风-海洋相互作用的观测研究工作，先后主持各类纵向项目10余项，发表学术论文30余篇。针对澳大利亚夏季风爆发过程，提出了一个新的夏季风爆发海气相互作用理论框架，即局地sst最大值、第一支东传mjo与夏季风西风建立的位相锁定，并进一步阐明了在澳大利亚夏季风期间，mjo抑制位相向活跃位相转换阶段sst的日变化特征、机制及其气候影响；揭示了热带印度洋wyrtki急流季节内与年际变异的时空演变特征及动力机制。
1. duan yongliang, liu hongwei, yu weidong*, liu lin, yang guang, liu baochao. 2019. the onset of the indonesian-australian summer monsoon triggered by the first-branch eastward-propagating madden–julian oscillation. journal of climate, 32(17), 5453–5470, https://10.1175/jcli-d-18-0513.1.
2. duan yongliang*, liu hongwei, feng ming, song xiangzhou, li kuiping, liu lin, liu baochao, yang guang, yu weidong*. 2023. the onset process of 2018/19 indonesian-australian summer monsoon: the importance of air-sea interaction. frontiers in marine science, 9, 1089493, https://doi.org/10.3389/fmars.2022.1089493.
3. feng ming*, duan yongliang, susan wijffels, hsu je-yuan, li chao, wang huiwu, yang yang, shen hong, liu jianjun, ning chunlin, yu weidong. 2020. tracking air-sea exchange and upper ocean variability in the indonesian-australian basin during the onset of the 2018/19 australian summer monsoon. bulletin of the american meteorological society, 101(8), e1397–e1412, https://10.1175/bams-d-19-0278.1.
4. liu hongwei, duan yongliang*, yan xiaomei, pang chongguang. 2022. interannual variability of the thermocline depth in the south-central indian ocean: respective influences of iod and enso. international journal of climatology, 42(10), 5111-5120, https://doi.org/10.1002/joc.7522.
5. duan yongliang, liu lin*, han guoqing, liu hongwei, yu weidong, yang guang, wang huiwu, wang haiyuan, liu yanliang, zahid, hussain waheed. 2016. anomalous behaviors of wyrtki jets in the equatorial indian ocean during 2013. scientific reports, 6, 29688, https://10.1038/srep29688.
6. duan yongliang, liu hongwei, liu lin*, yu weidong. 2020. intraseasonal modulation of wyrtki jet in the eastern indian ocean by equatorial waves during spring 2013. acta oceanologica sinica, 39(7), 11–18, https://10.1007/s13131-020-1576-2.
7. duan yongliang*, liu hongwei, yu weidong, hou yijun. 2016. the mean properties and variations of the southern hemisphere subpolar gyres estimated by simple ocean data assimilation (soda) products. acta oceanologica sinica, 35(7), 8–13, https://10.1007/s13131-016-0901-2.
8. duan yongliang, liu hongwei*, yu weidong, hou yijun. 2016. eddy properties in the pacific sector of the southern ocean from satellite altimetry data. acta oceanologica sinica, 35(11), 28–34, https://10.1007/s13131-016-0946-2.
主持项目
1. 2018.1-2020.12 国家自然科学基金青年基金项目，热带印度洋wyrtki急流的季节内变化及其海洋环境效应研究，25万，主持
2. 2019.1-2021.12 中央级公益性科研院所基本科研业务费专项资金项目，2018年澳大利亚夏季风爆发过程中的海气相互作用观测研究，40万，主持
3. 2022.11-2025.10 崂山实验室科技创新项目课题，印度洋i1断面观测，82万，主持