Here's a great presentation on understanding just how limited the data is: http://web.mit.edu/esi/symposia/symposium-2009/wunsch.html http://web.mit.edu/esi/sym

Here's a great presentation on understanding just how limited the data is: http://web.mit.edu/esi/symposia/symposium-2009/wunsch.html http://web.mit.edu/esi/symposia/symposium-2009/wunsch.html