A journal article in the Indian Journal of Marine Sciences (Vol. 43 (7), July 2014) discusses the the reasons why of most ports in the east and west coasts of India moved from being very far away from the seafront, and eventually moving towards the coastal regions. Why were inland ports abandoned? With special focus on Goa, specifically Gopakapatana, this paper describes the various changes to maritime trade and changes, from a geo-historical and oceanographic perspective.
Article Title: Why were historical period ports of Goa located away from the coast? The decline of Gopakaptana; by Sila Tripathi, Antonio Mascarenhas, & R. Mani Murali; CSIR – National Institute of Oceanography, Goa.