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Geo ch.1
This is Geography
Term | Definition |
---|---|
place | a specific point on earth |
region | an area of earth defined by 1 or more distinctive characteristics |
scale | the relationship between the portion of earth being studied and earth as a whole |
space | the physical gap or interval between 2 objects |
connection | the relationship among people and objects across the barrier of space |
map | a 2d or flat scale model of earth's surface, or a portion of it |
cartography | the science of mapmaking |
2 map purposes | reference tool and communications tool |
GIS science | the analysis of data about earth acquired through satellite and other electronic information technology |
global positioning system (GPS) | captures stores, queries, and displays geographic data |
remote sensing | the acquisition of data about earth's surface from a satellite orbiting earth or from other long distance methods |
photogrammy | the science of taking measurements of earth's surface from photographs |
volunteered geographic information (VGI) | the creation and dissemination of geographic data contributed voluntarily and for free by individuals |
geotagging | the identification and storage of information by its precise latitude and longitude |
mashup | map that overlays data from 1 source on top of a map provided by a mapping service |
participatory GIS (PGIS) | community based mapping |
ratio scale | 1:1,000,000 |
written scale | 1 inch = 1 mile |
graphic scale | shown as a line on map |
projection | the scientific method of transferring locations on earth's surface to a flat map |
types of distortion | shape, distance, relative size, and direction |
longitude | basis for calculating time |
meridian | an arc connecting the north and south poles. The location of each is identified according to a numbering system known as longitude. |
parallel | a circle around the globe parallel to the equator and at right angles to the meridians. The numbering system to indicate it is latitude. |
isoline map | connects with lines all the places that have particular values |
dot distribution map | depicts data as points and shows how those points are clustered together or spread out over an area |
choropleth map | recognizable areas are shaded or patterned in proportion to the measurement of the variable |
graduated symbol map | displays symbols that change in size according to the value of the variable |
cartogram | map where the size of an area is proportional to the value of a particular variable |
location | the position that something occupies on earth's surface |
absolute location | describes the position of a place in a way that never changes |
toponym | the name given to a place on earth |
site | the physical character of a place |
situation/relative location | a place's location relative to other places |