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This is a list of rivers in the continental United States by average discharge (streamflow) in cubic feet per second. All rivers with average discharge more than 15,000 cubic feet per second are listed.
Each subregion includes the area drained by a river system, a reach of a river and its tributaries in that reach, a closed basin or basins, or a group of streams forming a coastal drainage area. [6] Regions receive a two-digit code. The following levels are designated by the addition of another two digits. [7]
The average flow rate at the mouth of the Amazon is sufficient to fill more than 83 such pools each second. The estimated global total for all rivers is 1.2 × 10 6 m 3 /s (43 million cu ft/s), [ 1 ] of which the Amazon would be approximately 18%.
Example graph of stream stages showing Action Stage, Flood Stage, Moderate Stage, Major Stage, and Record Stage on a river. Flood stage is the water level, as read by a stream gauge or tide gauge, for a body of water at a particular location, measured from the level at which a body of water threatens lives, property, commerce, or travel. [1]
The USGS Coastal and Marine Science Center (formerly the USGS Center for Coastal Geology) has three sites, one for the Atlantic Ocean (located in Woods Hole, Massachusetts), one for the Pacific Ocean (located in Santa Cruz, California) and one for the Gulf of Mexico (located on the University of South Florida's St. Petersburg campus). The goal ...
The U.S. Geological Survey (USGS) maintains four river flow gauges on the Androscoggin River. All four are below one or more dams. All four are below one or more dams. The first is at Errol, New Hampshire ( 44°46′57″N 71°07′46″W / 44.78250°N 71.12944°W / 44.78250; -71.12944 ), where the watershed is 1,046 square miles (2,710
The United States Geological Survey (USGS) defines it as the period between October 1 of one year and September 30th of the next, [2] [3] as late September to early October is the time for many drainage areas in the US to have the lowest stream flow and consistent ground water levels. The water year is designated by the calendar year in which ...
The river level of the Snoqualmie River is monitored by six USGS streamgages, one on each fork, one just above the falls, one below Carnation, and one near Duvall. Data from the streamgages are used by the National Weather Service for flood forecasting and warning. The Tolt River and the Raging River are also monitored by USGS streamgages. [12]