David Wolcott has been with NOAA as an oceanographer for 5 years and has provided tide reductions to support hydrographic operations. He holds a BSc in Physics from the College of William and Mary, VA.


Vertical Datums in the Hudson River

A fixed low water reference plane, Hudson River Datum (HRD), was adopted as chart datum for certain portions of the Hudson River to approximate mean low water when river levels are lowest. Due to river discharge, water levels in the river are influenced more by flow than by tides; therefore tidal da... (read more)
SEAEXPLORER Underwater Glider

SEAEXPLORER Underwater Glider

Find more information on:Geo-matching PNG