Land Use and Water Quality

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Presentation transcript:

Land Use and Water Quality The Watershed Game: Land Use and Water Quality Photo from DragoArt.com

The Watershed Game: Day 1

What is a watershed? Dough What do you notice about the flow direction of water over your land (playdough) molding? Mold your playdough into any land like shape you like. Get Creative!  As water is poured over mold, the students should notice that all the water collects and flows to a common location on their piece of “land”. This is how a watershed is defined! Your Molding

What is a watershed? (http://www.cacaponinstitute.org/Watershed/What_Watershed.html) (http://www.cacaponinstitute.org/Watershed/What_Watershed.html) Watershed Boundary (Catchment Area): an area of the earth’s surface in which all the water that is caught in this area drains to the same point

Watershed Runoff and Infiltration As water flows from land to nearby river or stream….. It will carry “stuff” from the land (http://www.cacaponinstitute.org/Watershed/What_Watershed.html) Some of that water and “stuff” may infiltrate soils and enter into groundwater (http://www.cacaponinstitute.org/Watershed/What_Watershed.html)

Ecosystem Response How might what is running off of the land impact what is living in the water? (http://www.cacaponinstitute.org/Watershed/What_Watershed.html) What may be in the water?

Ecosystem Response Tiny Marine Plants Photosynthesize

Estuarine Response Nutrients

The Influence of Land Use/ Land Cover What are some common land use types within watersheds? How might these different land use types influence nutrient input? Land Use Type Effect on Nutrient Input Natural Vegetation Agriculture Urban/Developed

End

The Watershed Game: Day 2

Nutrient Concentrations 28 4 8 12 16 20 24

Atmospheric Nitrogen Natural Vegetation Agricultural Land Impervious Surfaces Beaker 1 Beaker 2 Beaker 3