GEOG 202 Lecture 2 Outline of Previous Lecture- Population Pyramids- The Demographic Transition- Population Movements - Culture- Geopolitical Framework- Economic and Development Indicators- Social Development Indicators - Latitude and Longitude- Map ProjectionsOutline of Current Lecture- Earth’s Environmental Systemso Intersecting Sphereso Plate Tectonics- Geologic Hazards- Air: Global Climateso Climate Controlo Climate ChangeCurrent LectureThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Chapter 2-Earths environmental SystemsoIntersecting Spheres -Atmosphere-Hydrosphere-Biosphere -Earths GeologyoPlate Tectonics-Slow moving crustal plates -Moved by convection cells -Plate boundaries Diverging: new crust is formedConverging: old crust altered -Equal density - crushed and pushed upward -Geologic HazardsoSeismic Events -Earthquakes -VolcanoesoDirect Correlation between seismic activity and plate boundaries -Air: Global Climates oClimate controls*- look up more-Solar energyInsolation: incoming solar radiation Greenhouse Effect: atmospheric heating due to gases trapped by atmosphere -Influence of latitude-Land/water interactionWater moderates temperature -Distance from ocean-Dallas vs. Galveston -Dallas gets hotter and colder because of distance from ocean regardless of distance from equator -Amount of moisture in the air oClimate Change -Global Warming?-Anthropogenic causes?: Human-induced -Major Greenhouse gases:Air pollution from industrialization-Concern about effects Shifts in agriculture areas Rising sea levels -Globalization and Climate Change Tensions between developed and less developed
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