

This page will be expanded in the near future.
The PTM can be run interactively in Gr.
PTM San Francisco Bay Application
These snapshots compare the path of particles released at different times and locations in San Francisco Bay.
South Bay Excursion during Neap
South Bay Excursion during Neap and Spring
Central Bay Excursion during Neap and Spring
North Bay Excursion during Neap and Spring
These videos animate the paths of particles released in San Francisco Bay.
3D view of north and south channel releases at the Golden Gate (Lagrangian in white)
3D view of top and bottom releases in Suisun Bay (Lagrangian in white)
PTM Delta Cross Channel Application
This snapshot shows the paths of particles released at different locations across a channel.
Sacramento River at the Delta Cross Channel
These videos animate the paths of particles released on the Sacramento River above the Delta Cross Channel.
Contact Information
If you have questions, contact one of the people listed below.
John M. Donovan
jmd@usgs.gov
(916) 278-3120
Peter E. Smith
pesmith@usgs.gov
(916) 278-3125