Geography Of New York-New Jersey Harbor Estuary
The system of waterways of the Port of New York and New Jersey forms one of the most intricate natural harbors in the world, a fact that is reflected in the diversity of place names. Although the overall form of the harbor remains unchanged from the time of Giovanni da Verrazzano's visit in 1524, no part of it remains unaffected by human activity, and some parts, such as Hell Gate and Ellis Island have been almost completely altered. In the greatest hidden change, the navigational channels have been deepened from the natural 17 feet depth to 45 feet, in some places requiring blasting of bedrock.
The harbor lies at the confluence of three major bodies of water. The harbor opens onto the New York Bight (Atlantic Ocean) to the southeast and the Long Island Sound to the northeast. Both of these are essentially marine bodies with both tides and saltwater, but the Sound compared to the Atlantic is about 20-30% less saline (as an estuary), and the tide is about 3 hours later with as much as 70% more variation. The Hudson River adds a fresher, non-tidal inflow from the north, although the tide and brackishness extend well up river.
These three combine to generate an extremely complex system of tides and currents throughout the extended hydrologic system from Albany to Montauk Point to the Hudson Canyon region of the New York Bight. The New York Harbor Observing and Prediction System (NYHOPS) utilizes information from sensors, weather forecasts, and environment models to provide real-time forecasts of meteorological and oceanographic conditions in the area.
Read more about Geography Of New York-New Jersey Harbor Estuary: Features of The Harbor, Rivers and Streams, Tidal Straits, Bays, Inlets and Coves, Land Features, Banks and Shoals, Navigational Channels, Port Facilities, Lights and Lighthouses
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