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WATER

WATER. How does the location and movement of water affect an ecosystem?. Surface Water . Any water that stays on the surface of the ground without soaking into it. Runoff is an example of surface water Water that travels downhill Eventually forms streams and rivers.

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WATER

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  1. WATER How does the location and movement of water affect an ecosystem?

  2. Surface Water • Any water that stays on the surface of the ground without soaking into it. • Runoff is an example of surface water • Water that travels downhill • Eventually forms streams and rivers

  3. Effect on land forming • Delta – landform that is made when a river meets a still body of water • Flowing water can erode land in one location and dump sediments in another. The soil in this area will be nutrient rich and GREAT for vegetation!

  4. Watershed / Drainage Basin • An area of land that is drained by a river • All water that organisms need is supplied here • Divide – the high ground between two drainage basins/watersheds Ex: Mountain range

  5. Groundwater • Water that soaks into the ground. • It is naturally purified as it soaks through the soil layers. • Zones of Aeration and Saturation – soil and rock has pores (permeable)

  6. Pathway of Groundwater Falls as precipitation (rain) Zone of Aeration (no water in soil pores) Reaches bedrock (not permeable) – no pores Soil above bedrock becomes saturated (Zone of Saturation) – has pores Top of the zone of saturation === WATER TABLE – measure ground water here

  7. Human Use of Water • Earth is 71 % water with 3% freshwater. • Freshwater is mainly in the form of ice. • We depend on water for: • Survival • Agriculture (#1 use worldwide) • Recreation • Hydroelectric power • Industry (#2 use worldwide)

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