The ratio if the number of farmers to the total amount of land suitable for agriculture.
An east-west line designated under the Land Ordinance of 1785 to facilitate the surveying and numbering of townships in the United States.
The body of customary beliefs, social forms, and material traits that together constitute a group of people's distinct tradition.
The diminishing in importance and eventual disappearance of a phenomenon with increasing distance from its origin.
A nineteenth- and early twentieth-century approach to the study of geography that argued that the general laws sought by human geographers could be found in the physical sciences. Geography was therefore the study of how the physical environment caused human activities.
The spread of a feature or trend among people from one area to another in a snowballing process.
Formal (or uniform or homogeneous) region
An area in which everyone shares in one or more distinctive characteristics.
Geographic Information System (GIS)
A computer system that stores, organizes, analyzes, and displays geographic data.
Global Positioning System (GPS)
A system that determines the precise position of something on Earth through a series of satellites, tracking stations, and receivers.
Actions or processes that involve the entire world and result in making something worldwide in scope.
The spread of a feature or trend from one key person or node of authority or power to other persons or places.
International Date Line
An arc that for the most part follows 180° longitude, although it deviates in several places to avoid dividing land areas. When you cross the International Date Line heading east (toward America), the clock moves back 24 hours, or one entire day. When you go west (toward Asia), the calendar moves ahead one day.
Land Ordinance of 1785
A law that divided much of the United States into a system of townships to facilitate the sale of land to settlers.
The numbering system used to indicate the location of parallels drawn on a globe and measuring distance north and south of the equator (0°).
The numbering system used to indicate the location of meridians drawn on a globe and measuring distance east and west of the prime meridian (0°).
An internal representation of a portion of Earth's surface based on what an individual knows about a place, containing personal impressions of what is in a place and where places are located.
A circle drawn around the globe parallel to the equator and at right angles to the meridians.
The number of people per unit of area of arable land, which is land suitable for agriculture.
The theory that the physical environment may set limits on human actions, but people have the ability to adjust to the physical environment and choose a course of action from many alternatives.
The meridian, designated at 0° longitude, which passes through the Royal Observatory at Greenwich, England.
A north-south line designated in the Land Ordinance of 1785 to facilitate the surveying and numbering of townships in the United States.
Regional (or cultural landscape) studies
An approach to geography that emphasizes the relationships among social and physical phenomena in a particular study area.
The spread of a feature or trend through bodily movement of people from one place to another.
The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.
A substance in the environment that is useful to people, is economically and technologically feasible to access, and is socially acceptable to use.
Generally, the relationship between the portion of Earth being studied and Earth as a whole, specifically the relationship between the size of an object on a map and the size of the actual feature on Earth's surface.
A square normally 1 mile on a side. The Land Ordinance of 1785 divided townships in the United States into 36 sections.
The reduction in the time it takes to diffuse something to a distant place, as a result of improved communications and transportation systems.
The spread of an underlying principle, even though a specific characteristic is rejected.
A square normally 6 miles on a side. The Land Ordinance of 1785 divided much of the United States into a series of townships.
A company that conducts research, operates factories, and sells products in many countries, not just where its headquarters or shareholders are located.
The increasing gap in economic conditions between core and peripheral regions as a result of the globalization of the economy.