Learning_about_Flood_Zones_Using_ArcGIS_Online_2015.docm -...

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Learning About Flood Zones Using ArcGIS Online Your Name: ______________ Introduction Water is a spatial subject: It can occur in solid, liquid, and gas phases on our planet and can easily move between these three states. It moves through oceans, rivers, wetlands, and glaciers, and through the hydrologic cycle at different rates. It is affected by long- term climate, everyday weather, hurricanes, landforms, and air pressure. It has been channeled into settling ponds, water treatment plants, fields, irrigation ditches, drainage ditches, canals, reservoirs, and through many other means by humans. It acts as a change agent above, on, and below the surface of the Earth, affecting such phenomena as crop yields, aquifers, erosion, floods, stream sediment, soil chemistry, weathering, and much more. It operates on a scale from local to global. Because water exists, moves, and acts at different scales and affects so many other phenomena, the geographic perspective is critical to understanding it. And, GIS is a very useful tool in which to study water in all of its forms, processes, and aspects. Watch the movie “geographic reflections on water”: http://youtu.be/ntJvY4LixqQ 1) Name 3 connections between water and geography. water quality, transportation, and availability. Because of these and a whole host of other factors, the geographic perspective is critical to understanding water.
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