TY - JOUR A1 - Ide, K. A1 - Small, D. A1 - Wiggins, S. T1 - Distinguished hyperbolic trajectories in time-dependent fluid flows: analytical and computational approach for velocity fields defined as data sets JO - Nonlin. Processes Geophys. J1 - NPG VL - 9 IS - 3/4 SP - 237 EP - 263 Y1 - 1999/11/30 PB - Copernicus Publications SN - 1023-5809 UR - http://www.nonlin-processes-geophys.net/9/237/2002/ L1 - http://www.nonlin-processes-geophys.net/9/237/2002/npg-9-237-2002.pdf ER -