[Adrian, R.J., Marusic, I., 2012. Coherent structures in flow over hydraulic engineering surfaces. Journal of Hydraulic Research, 50, 451–464.10.1080/00221686.2012.729540]Search in Google Scholar
[Adrian, R.J., Meinhart, C.D., Tomkins, C.D., 2000. Vortex organization in the outer region of the turbulent boundary layer. Journal of Fluid Mechanics, 422, 1–54.10.1017/S0022112000001580]Search in Google Scholar
[Baidya, R., Philip, J., Hutchins, N., Monty, J.P., Marusic, I., 2017. Distance-from-the-wall scaling of turbulent motions in wall-bounded flows. Physics of Fluids, 29, 020712.10.1063/1.4974354]Search in Google Scholar
[Cao, L.K., Li, D.X., Chen, H., Liu, C.J., 2017. Spatial relationship between energy dissipation and vortex tubes in channel flow. Journal of Hydrodynamics, 29, 575–585.10.1016/S1001-6058(16)60770-9]Search in Google Scholar
[Carlier, J., Stanislas, M., 2005. Experimental study of eddy structures in a turbulent boundary layer using particle image velocimetry. Journal of Fluid Mechanics, 535, 143–188.10.1017/S0022112005004751]Search in Google Scholar
[Chen, Q.G., Li, D.X., Zhong, Q., Wang, X.K., 2013. Analysis of vortex structure in open channel turbulence based on model matching. Advances in Water Science, 24, 95–102. (In Chinese.)]Search in Google Scholar
[Chen, Q.G., Adrian, R.J., Zhong, Q., Li, D.X., Wang, X.K., 2014a. Experimental study on the role of spanwise vorticity and vortex filaments in the outer region of open-channel flow. Journal of Hydraulic Research, 52, 476–489.10.1080/00221686.2014.919965]Search in Google Scholar
[Chen, Q.G., Zhong, Q., Wang, X.K., Li, D.X., 2014b. An improved swirling-strength criterion for identifying spanwise vortices in wall turbulence. Journal of Turbulence, 15, 71–87.10.1080/14685248.2014.881488]Search in Google Scholar
[Chong, M.S., Perry, A.E., Cantwell, B.J., 1990. A general classification of three-dimensional flow fields. Physics of Fluids A, 2, 765–777.10.1063/1.857730]Search in Google Scholar
[Cucitore, R., Quadrio, M., Baron, A., 1999. On the effectiveness and limitations of local criteria for the identification of a vortex. European Journal of Mechanics, B/Fluids, 18, 261–282.10.1016/S0997-7546(99)80026-0]Search in Google Scholar
[Dong, X., Wang, Y., Chen, X., Dong, Y., 2018. Determination of epsilon for Omega vortex identification method. Journal of Hydrodynamics, 30, 541–548.10.1007/s42241-018-0066-x]Search in Google Scholar
[Dong, Y., Yan, Y., Liu, C., 2016. New visualization method for vortex structure in turbulence by lambda2 and vortex filaments. Applied Mathematical Modelling, 40, 500–509.10.1016/j.apm.2015.04.059]Search in Google Scholar
[Epps, B., 2017. Review of Vortex Identification Methods. In: 55th AIAA Aerospace Sciences Meeting. American Institute of Aeronautics and Astronautics, Texas, p. 0989.10.2514/6.2017-0989]Search in Google Scholar
[Gao, Q., Ortiz-Dueñs, C., Longmire, E.K., 2011. Analysis of vortex populations in turbulent wall-bounded flows. Journal of Fluid Mechanics, 678, 87–123.10.1017/jfm.2011.101]Search in Google Scholar
[Hunt, J.C.R., Wray, A.A., Moin, P., 1988. Eddies, streams, and convergence zones in turbulent flows. In: Center for Turbulence Research Report, pp. 193–208.]Search in Google Scholar
[Hurther, D., Lemmin, U., Terray, E.A., 2007. Turbulent transport in the outer region of rough-wall open-channel flows: The contribution of large coherent shear stress structures (LC3S). Journal of Fluid Mechanics, 574, 465–493.10.1017/S0022112006004216]Search in Google Scholar
[Jeong, J., Hussain, F., 1995. On the identification of a vortex. Journal of Fluid Mechanics, 285, 69–94.10.1017/S0022112095000462]Search in Google Scholar
[Jiménez, J., 2018. Coherent structures in wall-bounded turbulence. Journal of Fluid Mechanics, 842, P1.10.1017/jfm.2018.144]Search in Google Scholar
[Kolář, V., 2007. Vortex identification: New requirements and limitations. International Journal of Heat and Fluid Flow, 28, 638–652.10.1016/j.ijheatfluidflow.2007.03.004]Search in Google Scholar
[Kolář, V., 2010. A note on integral vortex strength. Journal of Hydrology and Hydromechanics, 58, 23–28.10.2478/v10098-010-0003-3]Search in Google Scholar
[Komori, S., Murakami, Y., Ueda, H., 1989. The relationship between surface-renewal and bursting motions in an open-channel flow. Journal of Fluid Mechanics, 203, 103–123.10.1017/S0022112089001394]Search in Google Scholar
[Liu, C.Q., Wang, Y.Q., Yang, Y., Duan, Z.W., 2016. New omega vortex identification method. Science China: Physics, Mechanics and Astronomy, 59, 684711.10.1007/s11433-016-0022-6]Search in Google Scholar
[Natrajan, V.K., Wu, Y., Christensen, K.T., 2007. Spatial signatures of retrograde spanwise vortices in wall turbulence. Journal of Fluid Mechanics, 574, 155–167.10.1017/S0022112006003788]Search in Google Scholar
[Nezu, I., Sanjou, M., 2011. PIV and PTV measurements in hydro-sciences with focus on turbulent open-channel flows. Journal of Hydro-Environment Research, 5, 215–230.10.1016/j.jher.2011.05.004]Search in Google Scholar
[Robinson, S.K., 1991. Coherent motions in the turbulent boundary layer. Annual Review of Fluid Mechanics, 23, 601–639.10.1146/annurev.fl.23.010191.003125]Search in Google Scholar
[Roussinova, V., Shinneeb, A.-M., Balachandar, R., 2010. Investigation of fluid structures in a smooth open-channel flow using proper orthogonal decomposition. Journal of Hydraulic Engineering, 136, 143–154.10.1061/(ASCE)HY.1943-7900.0000155]Search in Google Scholar
[Singha, A., Balachandar, R., 2011. Coherent structure statistics in the wake of a sharp-edged bluff body placed vertically in a shallow channel. Fluid Dynamics Research, 43, 055504.10.1088/0169-5983/43/5/055504]Search in Google Scholar
[Stanislas, M., Perret, L., Foucaut, J.M., 2008. Vortical structures in the turbulent boundary layer: A possible route to a universal representation. Journal of Fluid Mechanics, 602, 327–382.10.1017/S0022112008000803]Search in Google Scholar
[Wu, Y., Christensen, K.T., 2006. Population trends of spanwise vortices in wall turbulence. Journal of Fluid Mechanics, 568, 55–76.10.1017/S002211200600259X]Search in Google Scholar
[Yang, S.F., Zhang, P., Hu, J., Li, W.J., Chen, Y., 2016. Distribution and motion characteristics of Q-events for open-channel uniform flow. Advances in Water Science, 27, 430–438. (In Chinese.)]Search in Google Scholar
[Zhang, P., Yang, S.F., Hu, J., Chen, Y., Xin, Y., 2015. Distribution of motion scales of vortices in turbulent open channel flow. Advances in Water Science, 26, 91–98. (In Chinese.)]Search in Google Scholar
[Zhang, Y., Qiu, X., Chen, F., Liu, K., 2018. A selected review of vortex identification methods with applications. Journal of Hydrodynamics, 30, 767–779.10.1007/s42241-018-0112-8]Search in Google Scholar
[Zhong, Q., Li, D.X., Chen, Q.G., Wang, X.K., 2015. Coherent structures and their interactions in smooth open channel flows. Environmental Fluid Mechanics, 15, 653–672.10.1007/s10652-014-9390-z]Search in Google Scholar
[Zhong, Q., Chen, Q.G., Wang, H., Li, D.X., Wang, X.K., 2016. Statistical analysis of turbulent super-streamwise vortices based on observations of streaky structures near the free surface in the smooth open channel flow. Water Resources Research, 52, 3563–3578.10.1002/2015WR017728]Search in Google Scholar
[Zhong, Q., Chen, Q., Chen, H., Li, D.X., 2017. A topological method for vortex identification in turbulent flows. Fluid Dynamics Research, 49, 015509.10.1088/1873-7005/49/1/015509]Search in Google Scholar
[Zhou, J., Adrian, R.J., Balachandar, S., Kendall, T.M., 1999. Mechanisms for generating coherent packets of hairpin vortices in channel flow. Journal of Fluid Mechanics, 387, 353–396.10.1017/S002211209900467X]Search in Google Scholar