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Map Skills

Map Skills. WG SOL 1a - e. Geographic Sources. Geographic information may be acquired from a variety of sources Geographic information supports the process of inquiry into the nature of countries, cities, and environments. GIS – Geographic Information Systems Field Work Satellite Images

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Map Skills

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  1. Map Skills WG SOL 1a - e

  2. Geographic Sources • Geographic information may be acquired from a variety of sources • Geographic information supports the process of inquiry into the nature of countries, cities, and environments • GIS – Geographic Information Systems • Field Work • Satellite Images • Photographs • Maps, globes • Databases • Primary Sources • Diagrams

  3. Parts of a Map • Absolute Location • Latitude • Longitude • Relative Location – Used to describe where a place is based on physical features or known places • Scale (Large and small scale maps) – used to show detail • Scale (used to measure distance) • Compass Rose (used to find orientation • Cardinal Directions (N, S, E, W) • Intermediate Directions (NE, NW, SE, SW)

  4. Scale can show distance Between two points or detail.

  5. Map Projections • Mercator – (square) – used by ship navigators – distorted at top and bottom • Polar – (round) – used by airline pilots because it shows shortest distance • Robinson – (rounded edges) – used to compare data in atlases • All maps are distorted or inaccurate (shape, area, distance, direction)

  6. Mercator Projection

  7. Polar Projection

  8. Robinson Projection

  9. Mental Maps • Mental maps are maps in your head that you use to: • Carry out daily activities • Give directions to others • Understand world events • Mental maps can be refined by: • Comparing sketch maps to maps in atlases • Describing the location of places in terms of reference points, geographic features, or human characteristics

  10. Types of Maps • Physical maps show landforms and elevation • Political maps show human made features such as cities and roads • Population maps show how many people live per square mile or kilometer • Resource maps show items that are valuable to humans • Contour maps show elevation using isolines

  11. How Maps Change • Changing place names • Formosa  Taiwan  Republic of China • Palestine  Israel  West Bank/Gaza • Perspective of place names • Arabian Gulf vs. Persian Gulf • Sea of Japan vs. East Sea • Middle East vs. Southwest Asia

  12. How Maps Change • Boundaries • Africa in 1914 and 1990s • Europe before and after WWI and since 1990 • Russia and the former Soviet Union • Middle East before 1948 and after 1967 • Disputed Areas • Korea • Western Sahara • Former Yugoslavia • Kashmir

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