Gage Datum and Elevation. To get a handle on this concept, imagine a big ruler attached to a rock wall or stuck in the river; the gauge-feet flow is represented by where the waterline hits that ruler, (e.g. A streamgage is a structure installed beside a stream or river that contains equipment that measures and records the water level (called gage height or stage) of the stream. Location of Gage : Corps of Engineer's dock on left descending bank at river mile 102.8. The terms "datum" and "elevation", such as used in the "Location" or "Gage" paragraphs in USGS publication and on Web pages, refers to the base, or 0.0 foot gage-height (stage), for a gage. For example, at Amite/Denham Springs the river stage could be 10.2 feet - meaning that the height of the river's surface was 10.2 feet above sea level. Flows are in cubic feet per second. the 4' hash mark). How to use gage in a sentence. for data relative to NAVD88 subtract 0.82 ft.) gage vs. gauge Gage height refers to the elevation of the water surface in the specific pool at the streamgaging station, not along the entire stream.
• There are other meanings of gage, and it can be a spelling variant of gauge, as well. Gauging station, site on a stream, canal, lake, or reservoir where systematic observations of gauge height (water level) or discharge are obtained.
How to interpret gage height and streamflow values Gage height (also known as stage) is the height of the water in the stream above a reference point. River volume is also sometimes measured in gauge feet. ... Valley. Gage definition is - a measurement (as of linear dimension) according to some standard or system: such as. The term "at flood stage" is commonly used to describe the point at which this occurs. Lake Info App. The term datum is used when the base gage-height has been surveyed in from known benchmarks or with precision GPS. From the continuous records obtained at these stations, hydrologists make predictions and decisions concerning water level, … Gauge definition, to determine the exact dimensions, capacity, quantity, or force of; measure. • Gage is a root in many English words such as engage, wage, and mortgage. Gage vs Gauge • Though there are people who use the spelling gage for a measuring instrument, the correct word is gauge that is used both as a noun as well as verb. • Estimated values ** Stage is the current depth of the stream at the gauge. Valley Stream Flows. Adjustment for vertical datum NAVD88 (2009.55): -0.82 ft. (e.g. This chart shows the approximate stage and flow of unregulated streams (streams with no dams) at selected sites throughout the Tennessee Valley.
See more. 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.