You seem to be attempting to access an item that has been removed from the repository.
There is a later version of the item you are trying to access:
Polton, Jeff A.; Palmer, Matthew R.; Howarth, Michael J.. 2013 The vertical structure of time-mean estuarine circulation in a shallow, rotating, semi-enclosed coastal bay: A liverpool bay case study with application for monitoring. Continental Shelf Research, 59. 115-126. 10.1016/j.csr.2013.03.004