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Stream-gage measurement
Use of specialized instruments designed for observing, checking, and recording the water discharge that occurs in a natural channel.
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Results 21 - 30 of 137 listed alphabetically [list by similarity]
PDF Hawaii StreamStats; a web application for defining drainage-basin characteristics and estimating peak-streamflow statistics [More info]
Interactive maps providing selected analyses on areas you choose
PDF Historic Flooding in South Georgia, March 27-April 3, 2009 [More info]
Explains the meteorological and hydrologic conditions that led to widespread flooding in this area.
PDF Historic flooding in northern Georgia, September 16-22, 2009 [More info]
Explains the meteorological and hydrologic conditions that led to widespread flooding in this area.
Historical streamflows of Double Mountain Fork of Brazos River and water-surface elevations of Lake Alan Henry, Garza County, Texas, water years 1962-2010 [More info]
Shows graphs illustrating available data from two surface-water monitoring stations near this reservoir supplying water for the city of Lubbock.
PDF How does a U.S. Geological Survey streamgage work? [More info]
Explains how streamflow is measured, how it relates to water level, how stream discharge is measured, and how to find data on streamflow.
Hudson River salt front data [More info]
Tide stage, specific conductance, water temperature, and freshwater inflow at selected Hudson River (New York) gages updated every 4-hours to measure the effects of freshwater withdrawals and upstream movement of the salt front.
Hydraulics Laboratory [More info]
Includes an indoor hydraulics laboratory available for rent. Links to meter calibrations, current meter performance, and modeling activities.
Hydro-Climatic Data Network (HCDN): streamflow data set, 1874 - 1988 [More info]
The Hydro-Climatic Data Network, or HCDN, consists of streamflow records for 1,659 sites throughout United States and its Territories. Records span the period 1874 through 1988, and represent a total of 73,231 water years of information.
Hydroacoustic current meters for the measurement of discharge in shallow streams and rivers [More info]
Description and illustrations of hydroacoustic current meters for measuring the discharge in streams and rivers with links to wading discharge measurements, project progress and plans and references.
Hydrologic Instrumentation Facility [More info]
Provides hydrologic instruments, equipment, and supplies for USGS, other Federal agencies, and cooperators. Also tests, evaluates, repairs, calibrates, and develops hydrologic equipment and instruments.
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