GEOG 2051 : Geog 2051 Test 1 Study Guide
Document Summary
Geography: the study of spatial arrangement of phenomena on the earth"s surface. (plants, animals, climates, cities, culture, etc) Scientific method (world image, theory, hypothesis, testing/falsification: to answer a question, to develop or create new knowledge, steps, apriori knowledge-preexisting knowledge, formulate hypothesis (hypothesis-possible explanation of some phenomenon that requires verification, test hypothesis. Tend to be destructive, nothing can grow forever lag time: time interval between some changes in the environment. Geographic information systems (layers/ coverages, electronic maps): digital maps, layer/coverage, allows production of custom maps. Planetesimal hypothesis: solar system started out as nebula, gravity pulls particles together and creates planets, nuclear fusion which lit sun and powers system, 4. 5 billion years ago the earth was formed (completely different atomosphere) Parent isotope: carbon 14, start out with carbon, over time those atoms break down and produce daughter isotope, nitrogen 14, rate of break down remains fixed.
