1.1---intro-to-maps
DESCRIPTION
MapsTRANSCRIPT
H9/15/11
Basic Concepts – Maps & Tools(Ch. 1.1; pp. 2-13)
I. Intro to Geography A. Basic Terms & Ideas
1. geography = “to write earth”
- 2 major categories of geography – human geography & physical geography
2. human geo. – where & why human activities happen
3. physical geo. – where & why natural forces happen
4. maps – 2-dimensional (flat-scale) model of earth (Ch. 1.1)
5. place – a specific point on Earth (Ch. 1.2)
6. region – an area of Earth with distinctive cultural and physical features (Ch. 1.2)
7. scale – relationship b/w area studied and whole world (Ch. 1.3)
8. space – physical gap b/w two objects (Ch. 1.3)
9. connections – relationships among people and objects (Ch. 1.3)
II. Maps- cartography – mapmakingA. Reasons - reference & communication
B. Early Mapmaking- Aristotle (4th cent. B.C.) – spherical world- Eratosthenes (3rd cent. B.C.) – “geography”- Ptolemy (2nd cent. A.D.) – Roman mapmaking- little European mapmaking advances until Age of
Exploration (late 15th cent. A.D.)- Phei Hsiu (Fei Xiu) (3rd cent. A.D.) – “father of
Chinese cartography”- Al-Idrisi (12th cent. A.D.) – Muslim geographer –
drew world map- Ibn-Battutah (14th cent. A.D.) – Rihlah (Travels)
book describing Muslim world (Afr., Eur., Asia)- Gerladus Mercator (16th cent. A.D.) – modern
world map (“the map” for centuries)
C. Map Scale- 3 types of scale1. ratio/fraction – 1:24,000 OR 1/24,0002. written – “1 inch equals 1 mile”3. graphic – bar line (ex: road maps)
- want details – close up view (1:10,000)- want trends – farther view (1:10,000,000)- [use Google map example]
D. Projection- all projections lead to distortions- types of distortions:
1. shape2. distance3. relative size4. direction
- equal area projections (map 1-19)- [pros & cons?]
- uninterrupted projections (maps 1-13 & 1-23)- Robinson Projection (map 1-23)- [pros & cons?]- Mercator Projection (map 1-13)- [pros & cons?]
E. U.S. Land Ordinance of 1785- organized structure of land development- used to settle most of western U.S. - began in “Old NW” (current Midwest)- [where?]- [show map]
F. Contemporary Map Tools- GPS (global positioning system)- remote sensing – satellites
- GIS (geographic information system)- computer based maps – multiple uses- mash-up – overlaying data (fig. 1-7)