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Geoterms
Quiz on Tuesday, 5/14
| Term | Definition |
|---|---|
| Atmospheric Pressure | The weight of the atmosphere pressing down on any point on the surface of Earth. Air sinks in high pressure areas, and few clouds form. Air rises in low pressure areas to form clouds that produce rain. |
| Monsoon | A seasonal wind. Summer monsoon winds in South Asia usually bring rain to that region. |
| Orographic Effect | The precipitation that occurs when moist air rises up the side of a mountain. As the air rises, it cools down and releases most of its moisture as rain or snow. |
| Rain Shadow | A dry area on the downwind side of a mountain. |
| Doubling Time | The length of time it takes for a population to double. |
| Famine | A severe shortage of food that results in widespread hunger |
| Rate of Natural Increase | The annual rate of population growth. This percentage is calculated by subtracting the death rate from the birth rate. It does not include people moving into or out of a country. |
| Zero population growth | A condition in which the population of a country does not grow but remains stable. This condition comes about when the birth rate plus immigration equals the death rate plus emigration. |
| Arable Land | Land suitable for growing crops. |
| Arithmetic population density | The population of a country divided by its total land area. |
| Physiologic population density | The population of a country divided by its arable land area. |
| Population Distribution | Where people live in a country, whether crowded together in cities or spread out across the countryside. |
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