water resources

EarthComm Earth's Natural Resources: Water Resources and Your Community Activity 5

Here you will find resources to help educators and their students to construct and analyze a physical model of the movement of pollutants in ground water and determine how the pumping of water from wells influences this movement; Measure the level of nitrates in a stream within your community; Conduct a mathematical analysis (case study) of pollution of surface waters by road salt based upon a map, quantitative data, and initial assumptions; Identify and describe ways that human activity affects surface water and ground water quality in your community.

EarthComm Earth's Natural Resources: Water Resources and Your Community Activity 4

Here you will find resources to help educators and their students to construct a water budget of your community from data sets; Explain the influence of local climate on the water budget within your community; Use an understanding of the water budget of your community to identify times of year when both supply and demand are greatest and lowest; Describe key controls on the quantity and availability of surface and ground water in your community; Construct and analyze a box model of an irrigation water budget; Explain how ground water development affects the ground water system.

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