During his long career, Marmer gained international recognition as an expert on tides, currents, tidal datum planes, and related oceanographic subjects.
2.
In addition, a virtual circle centered at the abovementioned origin ( 6 ) is set on the datum plane ( it will be called the datum circle henceforth ).
3.
In addition, a virtual circle centered at the above-mentioned origin ( 6 ) is set on the datum plane ( it will be called the datum circle henceforth ).
4.
For the Coast and Geodetic Survey, Marmer wrote " Tides and Currents in New York Harbor ", " Coastal Currents along the Pacific Coast of the United States ", " Tidal Datum Planes ", and " Chart Datums ".