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Noonday Creek is a 20.2-mile-long (32.5 km) [1] stream in Cobb and Cherokee counties in the U.S. state of Georgia. The stream begins near Kennesaw Mountain and ends at Lake Allatoona. Noonday is a translation of the native Cherokee language name, referring to the solar noon. [2] Noonday Creek looking west from Chastain Meadows, as of Sep 9, 2009.
The lake basin analysis uses the volume of the lake and pollutant-specific attenuation factors to calculate a population of average-annual lake concentrations. The annual flows and loads SELDM calculates for the stream and lake analyses also can be used to estimate total maximum daily loads (TMDLs) for the site of interest and the upstream lake ...
A 1-inch (25 mm) rainfall puts approximately 1.5 billion gallons or almost 6 billion liters into the watershed, by USGS calculations. That watershed (above the gauge only) is 86.8 square miles (225 km 2). There is also water quality monitoring equipment there, all transmitted to GOES weather satellites and back down to the USGS in real time ...
In fiscal year 2008, the USGS provided 35% of the funding for everyday operation and maintenance of gauges. [8] Additionally, USGS uses hydrographs to study streamflow in rivers. A hydrograph is a chart showing, most often, river stage (height of the water above an arbitrary altitude) and streamflow (amount of water, usually in cubic feet per ...
Baseflow (also called drought flow, groundwater recession flow, low flow, low-water flow, low-water discharge and sustained or fair-weather runoff) is the portion of the streamflow that is sustained between precipitation events, fed to streams by delayed pathways.
Within the USGS, the Water Resources Division carries the responsibility for monitoring water resources. To establish a stream gauge, USGS personnel first choose a site on a stream where the geometry is relatively stable and there is a suitable location to make discrete direct measurements of streamflow using specialized equipment.
The first statewide geologic map of Georgia was published in 1825. It was a 1:1,000,000 scale map of Georgia and Alabama published by Henry Schenck Tanner. [3] In 1849 W.T. Williams published the geological features for the state on a 1:120,000 scale map within George White's (1849) Statistics of the State of Georgia report. [4]
The Little River is the largest tributary of the Etowah, their confluence now flooded by Lake Allatoona. Allatoona Creek is another major tributary, flowing north from Cobb County and forming the other major arm of the lake. The U.S. Board on Geographic Names officially named the river in 1897. The river ends at 571 feet (174 m) above mean sea ...