Images

Photo of the Deleware River near Lambertville, NJ and New Hope, PA.

Diagram of Channel Cross Section With Subsections.

USGS Diagram of How Streamgage Data is Transferred To The Internet.

USGS hydrologist Kassidy Mapel takes hydrologic measurements from the Kewaunee River, Kewaunee, Wis., at USGS streamgage 04085200.

USGS scientists deploying a Conductivity/Temperature/Depth (CTD) instrument package.

Animation of streamflow classified by percentile of the simulated time series of streamflow for each segment from the Precipitation-Runoff Modeling System (PRMS) as implemented in the U.S.

Animation of lateral flow to the stream network from each hydrologic response unit (HRU) normalized by maximum of the simulated time series of lateral flow from the Precipitation-Runoff Modeling System (PRMS) as implemented in the U.S.

The USGS along with the Monterey Bay Aquarium Research Institute (MBARI) funded a pilot study to use a long-range AUV to study limnology of Lake Michigan. The AUV is pictured here being deployed in Lake Michigan to document variation in algae productivity at a whole-lake scale and compare 3-D spatial patterns in chlorophyll a to satellite estimates.

Components of a simple water budget for part of a watershed, from Healy, R.W., Winter, T.C., LaBaugh, J.W., and Franke, O.L., 2007, Water budgets: Foundations for effective water-resources and environmental management: U.S. Geological Survey Circular 1308.

Available Precipitation - Average from 1934 to 2002 In Inches Per Year

Percentage Change in Population by State and Decade: 1980 - 1990 to 2000 - 2010. For information on confidentiality protection, nonsampling error, and definitions, see http://www.census.gov/prod/cen2010/doc/p194-171.pdf

Salt Deposits (Gypsum). (Source: Siim Sepp, http://www.sandatlas.org/)

Development of geothermal saline groundwater into a warm-spring spa.
(Source: State of Florida Department of Natural Resources. Special Publication No. 21, 1977)

Salt impacted field.
(Source: Colorado State University Extension, Fact Sheet No. 0.521)

Unlined brine pit on the shore of Skiatook Lake, Okla.
(Source: USGS Toxic Substances Hydrology Program)

Brackish water desalination facility in Harlingen, Texas. The plant was built in 2007 and has a capacity of 2.25 million gallons per day. Source: North Cameron Regional Water Supply Corporation

Source: U.S. Nuclear Regulatory Commission

Artesian Well, John Pennekamp Coral Reef State Park, Key Largo, FL

USGS WAUSP Water Census: Map of National Brackish Groundwater Assessment from USGS professional paper 1833 "Brackish Groundwater In The United States."

USGS gage 01419500 Willowemoc Creek near Livingston Manor, NY

USGS gage 01428000 Tenmile River at Tusten, NY