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.
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.
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.
Provides hydrologic instruments, equipment, and supplies for USGS, other Federal agencies, and cooperators. Also tests, evaluates, repairs, calibrates, and develops hydrologic equipment and instruments.