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Unit 1: Introducing Physical Geography. Earth from space showing interactions of land, water, atmosphere. . OBJECTIVES Introduce and discuss the contemporary focus of physical geography Relate physical geography to the other natural and physical sciences
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Unit 1: Introducing Physical Geography Earth from space showing interactions of land, water, atmosphere.
OBJECTIVES • Introduce and discuss the contemporary focus of physical geography • Relate physical geography to the other natural and physical sciences • Explain the scientific method as a way of investigating the natural world • Introduce the systems and modeling approaches of physical geography
The Field of Geography: • The Science of geography • The scope of geography • Earth Systems Science • Feedback mechanisms • Location and Time on Earth • Maps, Scales, and Projections • Tools of Geography • Remote Sensing and GIS Source: http://www.squidoo.com/decorating-with-maps
Earth System Science • Open systems • Closed systems • Feedbacks-postive, negative Source: http://www.behance.net/gallery/Sunshine-to-Sugar-Photosynthesis/1046333 Source: http://ga.water.usgs.gov/edu/watercycle.html
Feedbacks-positive, negative Iceland’s Grimsvotn eruption. Source: http://www.zmescience.com/other/great-pics/iceland-volcano-pictures24052011/ Arctic Ice Albedo Feedback Video Source: http://www.youtube.com/watch?v=fJ999LIWvJk
Dynamic Equilibrium South Florida’s Atlantic coast, looking northward past Miami Beach. At present the beach shows a system in dynamic equilibrium, with currents flowing parallel to the coast continually removing sand while at the same time depositing new sand.
Orders of Magnitude: Large 340-hectare urban park within largest U.S. city Central Park, New York City