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Subject is Water quality--Sampling
Results 11 - 15 of 35
View Resource USGS National Water Quality Assessment (NAWQA) Program: “About NAWQA Study Units.”

Access to 51 studies and summary reports from 1991-2001 on U.S. river basins and aquifers. Choose selected study unit from the drop-down menu.

http://water.usgs.gov/nawqa/studyu.html
View Resource Civil Infrastructure: Advanced Sensing Technologies and Advanced Repair Materials for the Infrastructure: Water Systems, Dams, Levees, Bridges, Roads, and Highways

An 11-page draft of a white paper on the needed improvements in cost-effective inspection and monitoring of critical infrastructure systems and transformational improvements in materials and...

http://www.nist.gov/tip/factsheets/upload/civil_infrastructu...
View Resource Biological Monitoring Manual

A 31-page manual on biological studies in Iowa rivers, streams, and lakes.

http://www.iowater.net/Publications/BiologicalMonitoringManu...
View Resource 5.1 Stream Flow: What is stream flow and why is it important?

Definition and calculation examples.

http://water.epa.gov/type/rsl/monitoring/vms51.cfm
View Resource Water Watch – Current Water Resources Conditions

Maps of real-time streamflow conditions.

http://waterwatch.usgs.gov/?m=real&w=kml
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