GG101 Chapter 1-3: Chapters 1-3
Document Summary
5 spatial themes: location, region, human-earth relationships, movement, place. Process: set of actions or mechanism that operates in some special order, governed by physical, chemical, and biological laws. Physical geography: spatial analysis of all physical elements and processes that make up the environment: energy, air, water, weather, climate, landforms, soil, animals, plants, microorganisms, and earth. Open system: inputs of energy and matter flow into the system, and outputs of energy and matter flow from the system. Closed system: a system shut-off from the surrounding environment so that it is self-contained. Negative feedback: info discourages response in system. Positive feedback: info encourages increased response in the system. Steady-state equilibrium: rates of inputs and outputs in system are equal and the amounts of energy and matter in storage within the system are constant. Dynamic equilibrium: gradual increasing or decreasing trends. Earths 4 spheres: atmosphere, hydrosphere, lithosphere, biosphere.
