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Great Bay Reserve, New Hampshire
Tidal Range Great Bay is a mesotidal estuary with the average tidal range varying from 2.5 meters (8.2 feet) at the mouth of the estuary to 2.0 meters (6.6 feet) at Dover Point, increasing slightly to 2.1 meters (6.9 feet) at the mouth of the Squamscott River. Throughout most of the year, the tidal component of the estuary dominates over freshwater influence. The flushing time for water entering the head of the estuary is 58 tidal cycles (26.0 days) during high river flow and 48.5 cycles (25.1 days) during low river flow. River Flow Approximately 50 percent of the average annual precipitation in the Great Bay estuary drainage basin enters the estuary as stream flow. |
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Revised February 18, 2004 by NERRS Webmaster
Ocean and Coastal Resource Management | Ocean Service | NOAA | Department of Commerce
Privacy Policy | Disclaimer http://nerrs.noaa.gov/GreatBay/Tidal.html
Ocean and Coastal Resource Management | Ocean Service | NOAA | Department of Commerce
Privacy Policy | Disclaimer http://nerrs.noaa.gov/GreatBay/Tidal.html