M. Chen, J.C. Hart and S. Shadden. Hierarchical Watershed Ridges for Visualizing Lagrangian Coherent Structures. Reviewed, accepted and presented at TopoInVis: Topology-Based Methods in Visualization, 2015. Published in: Topological Methods in Data Analysis and Visualization IV, H. Carr, C. Garth, T. Weinkauf, Eds. Springer Mathematics and Visualization Series, 2017, pp. 237-252.