Monitoring and Evaluation

According to the Global Water Partnership, a strong monitoring and evaluation system has the potential to ensure that an IWRM strategy meets its main objective of fostering positive change, and also that the strategy can adapt to evolving needs and conditions. Resources available in this sub-theme include examples of performance indicators, technical methods of hydraulic monitoring, handbooks for appraisal of management systems, and other resources that support the wide variety of approaches for monitoring and evaluating water resources.

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Monitoring and Evaluation Resources

Historical Flooding

Published: 
July 21, 2021
The USGS provides practical, unbiased information about the Nation's rivers and streams that is crucial in mitigating hazards associated with floods. This site provides information about the USGS activities, data, and services provided during regional high-flow events, such as hurricanes or...Read more
Regional focus: 
United States

Groundwater Basics

Published: 
July 21, 2021
This web page provides an overview of USGS's research about groundwater. It includes related research, publications, software, and a collection of data and tools. Groundwater is water in the ground that fully saturates pores or cracks in soils and rocks. Water underlies the Earth's...Read more
Regional focus: 
United States

Aquifers and Groundwater

Published: 
July 21, 2021
A huge amount of water exists in the ground below your feet, and people all over the world make great use of it. But it is only found in usable quantities in certain places underground: aquifers. Most of the void spaces in the rocks below the water table are filled with water. These rocks have...Read more
Regional focus: 
United States

Rapid Fluctuations in Groundwater Quality

Published: 
July 21, 2021
As part of the National Water Quality Program, USGS scientists are investigating why, in some areas and at some depths, groundwater quality changes at short timescales: years to months to days to even hours, rather than decades. These fluctuations often occur in areas where groundwater and surface...Read more
Regional focus: 
United States

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