Spatial distribution of water depth  

Path samples represent water flow q(r) evolving according to the continuity equation
Rainfall excess, land cover and topography are spatially variable

movie  ---> 
                  samples              water depth field h(r)                            samples            water depth field h(r)
                                   1 minute                                                                                       24 minutes

Note rapid development of concentrated flow/streams in disturbed areas and slow movement of water in forested subwatersheds