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Rivers
Natural freshwater surface streams of considerable volume and a permanent or seasonal flow, moving in a definite channel toward a sea, lake, or another river; any large streams, or ones larger than brooks or creeks, such as the trunk stream and larger branches of a drainage system. [Glossary of Geology, 4th ed.]
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Bends (river) (1 items)
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Results 31 - 40 of 47 listed by similarity [list alphabetically]
Visualization of flow alternatives, Lower Missouri River [More info]
This report presents a visual, statistical presentation of five modeled flow-management alternatives and two reference alternatives for four selected sites on the Lower Missouri to aid in decision making for flow management of the river.
Duration and current conditions graphs for selected Pennsylvania sites [More info]
Plots of streamflow averages and ground water depths for selected hydrologic sites in Pennsylvania.
PDF February 2012 workshop jumpstarts the Mekong Fish Monitoring Network [More info]
An international workshop helps to begin collaboration on fish monitoring in southeast Asia.
PDF Flood inundation map library, Fort Kent, Maine [More info]
Severe flooding occurred in northern Maine from April 28 to May 1, 2008, and damage was extensive in the town. Aroostook County was declared a Federal disaster area. Our flood inundation maps were out of date, so we have updated them; this explains how.
Fluvial geomorphology studies in Kansas [More info]
Report of completed studies that have investigated the response of river and stream channels in Kansas to a variety of human-caused and natural disturbances.
Forecast Mekong [More info]
Data and reports about the overall environment in the Mekong river watershed. Includes downloadable remote-sensing data and interactive maps.
PDF Forecast Mekong [More info]
USGS works with the Department of State to share data and support local research efforts and elevate knowledge about this river and delta in maintaining food security and livelihoods in the region.
Mercury contamination of aquatic ecosystems [More info]
Fact sheet on mercury bioaccumulation and cycling in the environment. Also available in PDF format.
Mercury in the environment [More info]
Fact sheet on mercury and the environment, including toxic effects, risk to people and wildlife, sources of mercury, environments where methylmercury is a problem, and mercury contamination.
National Stream Quality Accounting Network (NASQAN) [More info]
Homepage for description of the National Stream Quality Network (NASQAN), a long-term program monitoring the concentrations and flux of sediment and chemicals in the Nation's largest rivers (Mississippi, Columbia, Colorado, Rio Grande, and Yukon).
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