The awesome power of the earth's oceans has been in the headlines in recent years, from the 2004 Indian Ocean Tsunami (300,000 dead) to the devastation of New Orleans caused by the storm surge from Hurricane Katrina, to the huge rogue waves that have struck oil tankers and cruise ships.

A practical book for those engaged in marine surveying and charting activities who must acquire, process and present data for hydrographic or engineering purposes. It covers the latest instrumental and equipment development, automation and computerization, as well as conventional methods for those without access to sophisticated instrumentation.

EBONY is the flagship magazine of Johnson Publishing. Founded in 1945 by John H. Johnson, it still maintains the highest global circulation of any African American-focused magazine.