一、研究领域 

研究领域为海洋地质学、海洋沉积动力学、海底地形地貌、工程地质等，当前研究兴趣是针对海洋沉积、物理海洋、地球化学等开展近海底地质过程有关的多学科交叉研究。

针对浅海沉积系统地形地貌特征、沉积动力及其演化过程开展研究，探索海底原位沉积动力过程观测技术，关注海底地形地貌过程与环境动力要素的耦合关系及反馈机制；同时探索开展极端天气/气候过程的沉积/地质响应与记录研究；针对深海海底地形地貌开展定量分析及高精度测量技术观测研究。另外，在海洋工程地质、灾害评估等方面开展一系列工作。       

二、招生专业及方向

招生专业为海洋沉积学，研究方向为海洋地质，海底地形地貌，海洋沉积与环境

三、研究室及联系方式      

中国科学院海洋地质与环境重点实验室

联系电话：053282898530

邮箱：mxch@qdio.ac.cn 

四、承担的主要科研项目

已主持国家自然科学基金项目3项、重大研究计划重点支持项目课题1项，国家重点实验室开放基金2项，参与中科院先导专项、国家自然科学基金等项目多项。                           

五、研究成果及奖励        

长期开展海底地貌、沉积过程及其环境耦合机制的研究工作，近年在陆缘地貌特征、演化及对海洋动力环境的响应等方面取得重要进展：

在国内率先开展了浅海陆架海底沉积动力过程观测研究，观测并研究了台风对海底过程的影响以及陆架活动地形演化对台风等极端过程的响应；系统研究了浅海陆架活动地形特征、活动性及演化过程，以及多沙脊沉积系统内沉积物搬运体系，从全球视角提出并阐释了海洋环境新月形沙丘、近对称沙丘的独特特征及成因机制；首次证实并研究了南海北部内波和内潮对海底沉积物过程以及地貌演变的重要作用；首次报道了我国基于ROV的深海高精度地形地貌观测及其应用技术。                         

六、代表性论文及著作

1. Yang, L., Ma, X.*, He, Y., Gao, M., Jie Huang, J., Lu, J., Luan, Z. (2024) Spatiotemporal variations in the grain size distribution in the water column and sediments from the Yellow River Delta to distal areas under coastal currents, Journal of Marine Systems 245,103997.
2. Ma, X., He, Y., Gao, M., Gong, T. (2024) The morphology and formation of a binary sand ridge in the Beibu Gulf, northwestern South China Sea. Geomorphology 458,109251.

3. Ma, X., Li, J., Yan, J., Feng, X., Song, Y., Xu, T., Zhuang, L., Luan, Z. and Zhang, J. (2022) The encountering dune fields in a bidirectional flow system in the northwestern South China Sea: Pattern, morphology, and recent dynamics. Geomorphology 406, 108210
4. Yang, L., Ma, X.*, Luan Z., & Yan, J. (2021).The spatial-temporal evolution of heavy metal accumulation in the offshore sediments along the Shandong Peninsula over the last 100 years: Anthropogenic and natural impacts.Environmental Pollution,289:117894.
5. Gan Yu, Ma Xiaochuan*, Luan Zhendong, Yan Jun. 2021. The morphology and multifractal features of a guyot in specific topographic vicinity: a case study on the Caroline Ridge, West Pacific.  Journal of Oceanology and Limnology.39(5):1591-1604. doi:10.1007/s00343-021-0383-8.
6. Ma, X., Yan, J., Song, Y., Liu, X., Zhang, J. and Traykovski, P.A. (2019) Morphology and maintenance of steep dunes near dune asymmetry transitional areas on the shallow shelf (Beibu Gulf, northwest South China Sea). Mar Geol 412, 37-52.
7. Zhang, H., Ma, X.*, Zhuang, L. and Yan, J. (2019) Sand waves near the shelf break of the northern South China Sea: morphology and recent mobility. Geo-Marine Letters 39, 19-36.
8. Lu, J., Jiang, J., Li, A., and Ma, X., 2018, Impact of Typhoon Chan-hom on the marine environment and sediment dynamics on the inner shelf of the East China Sea: In-situ seafloor observations: Marine Geology, v. 406, p. 72-83.
9. Ma, X., Li, J. and Yan, J. (2018) Tide‐induced bedload transport pathways in a multiple‐sand‐ridge system offshore of Hainan Island in the Beibu Gulf, northwest South China Sea. Earth Surface Processes and Landforms 43, 2738-2753.
10. Ma, X., J. Yan, Y. Hou, F. Lin, and X. Zheng (2016), Footprints of obliquely incident internal solitarywaves and internal tides near the shelf break in the northern South China Sea, J. Geophys. Res. Oceans, 121, doi:10.1002/2016JC012009.
11. Ma X, Yan J, Luan Z, et al. High-resolution topography measurement of PACMANUS and DESMOS hydrothermal fields using a ROV in Manus basin, Science Bulletin, 2016, 61(15), 1154-1156.
12. Ma X., Yan J., Fan, F. (2014). Morphology of submarine barchans and sediment transport in barchans fields off the Dongfang coast in Beibu Gulf. Geomorphology, 213, 213-224.