New hydrologic instrumentation in the U.S. Geological Survey
By: V.J. Latkovich and W.G. Shope
Edited by: Sodhi Devinder S.
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Abstract
New water-level sensing and recording instrumentation is being used by the U.S. Geological Survey for monitoring water levels, stream velocities, and water-quality characteristics. Several of these instruments are briefly described. The Basic Data Recorder (BDR) is an electronic data logger, that interfaces to sensor systems through a serial-digital interface standard (SDI-12), which was proposed by the data-logger industry; the Incremental Shaft Encoder is an intelligent water-level sensor, which interfaces to the BDR through the SDI-12; the Pressure Sensor is an intelligent, nonsubmersible pressure sensor, which interfaces to the BDR through the SDI-12 and monitors water levels from 0 to 50 feet; the Ultrasonic Velocity Meter is an intelligent, water-velocity sensor, which interfaces to the BDR through the SDI-12 and measures the velocity across a stream up to 500 feet in width; the Collapsible Hand Sampler can be collapsed for insertion through holes in the ice and opened under the ice to collect a water sample; the Lighweight Ice Auger, weighing only 32 pounds, can auger 6- and 8-inch holes through approximately 3.5 feet of ice; and the Ice Chisel has a specially hardened steel blade and 6-foot long, hickory D-handle.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | New hydrologic instrumentation in the U.S. Geological Survey |
| ISBN | 0872627985 |
| Year Published | 1991 |
| Language | English |
| Publisher | Publ by ASCE |
| Publisher location | New York, NY, United States |
| Larger Work Title | Cold Regions Engineering |
| First page | 739 |
| Last page | 747 |
| Conference Title | Sixth International Cold Regions Engineering Conference |
| Conference Location | West Lebanon, NH, USA |
| Conference Date | 26 February 1991 through 28 February 1991 |
| Google Analytic Metrics | Metrics page |