Water Depth Measures

Trimmer 1991 describes three methods to measure water levels in a well.

Water depth measures.

It is often referred to simply as sounding. Depth finder also called echo sounder device used on ships to determine the depth of water by measuring the time it takes a sound sonic pulse produced just below the water surface to return or echo from the bottom of the body of water. See epa s about pdf page to learn more. The national oceanic and atmospheric administration the agency responsible for bathymetric data in the united states still uses fathoms and feet on nautical charts.

Groundwater level and well depth measurement this document describes general and specific procedures methods and considerations to be used and observed when determining water levels and depths of wells. Typically people drop a string with a small float and weight down to find the top of the water column then on pulling the float out measure the length of the string from top of ground or top of casing to the string bottom. Customary systems equal to 6 feet 1 8288 m used especially for measuring the depth of water. The fathom is not an international standard si unit nor is it accepted internationally as a non si unit.

Water depth measures 7 little words. In other countries the international system of units has become the sta. A fathom is a unit of length in the imperial and the u s. An electronic sounder or depth gauge device lowered on wire senses distance to water top a wetted tape accurate to about 90 ft and an air line measures anticipated usage volume not actual well water depth.

Data taken from soundings are used in bathymetry to make maps of the floor of a body of water and were traditionally shown on nautical charts in fathoms and feet. With care to avoid snagging in the well it s similarly possible to measure the depth of the water column. You may need a pdf reader to view some of the files on this page. You can do so by clicking the link here 7 little words december 28 2017.