1. Tides and Currents in Hudson River;Schureman,1934
2. Why Irma drained the water from Tampa Bay
http://www.tampabay.com/opinion/columns/pittman-why-irma-drained-the-water-from-tampa-bay/2338244
3. U.S. Ports See Costly Delays as Cargo Ships, Volumes Grow
https://www.wsj.com/articles/u-s-ports-see-costly-delays-as-cargo-ships-volumes-grow-1430340113
4. Extreme low and high water levels
5. Sea-Level Science: Understanding Tides, Surges, Tsunamis and Mean Sea-Level Changes;Pugh,2014