GY 105 Lecture Notes - Lecture 2: Geographic Names Information System, Northern Hemisphere, Neocolonialism
Document Summary
Aerial photos (raw photo) vs remote sensing (electromagnetic imaging processed through satellites) Combines data from many sources and puts into computer system. Population and settlement: people on the land. Population growth varies globally, with the highest rates appearing in the poorest countries. Estimated world population in 2050: 9. 7 billion. Africa, sw asia, and australia are projected to have largest growth. Population density also plays a key role. Total fertility rate: number of live births the average woman has in her reproductive lifetime. Replacement rate: how many children a woman must have for the country to simply maintain its population. Population pyramid: a graphic depiction of the percentage of men and women at each age in a country"s population. Potential for growth: the percentage of a country"s population under the age of. Life expectancy: average number of years a person lives. Demographic transition: tracks changes in death and birth rates over time. No country is still in the first stage.
