Unit 1 Flashcards
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a specific point on earth, distinguished by a particular characteristic.
place
an area of earth defined by one or more distinctive characteristics. (ex. North America, Latin America, etc)
region
the relationship between the portion of earth being studied and earth as a whole.
scale
the physical gap or interval between two objects.
space
relationships among people and objects across the barrier of space.
connection
science of mapmaking
cartography
a system that determines the precise position of something on Earth.
global positioning system (GPS)
the identification and storage of a piece of information by its precise latitude and longitude coords.
geotagging
the analysis of data about earth acquired through satellite and other electronic information technologies.
geographic information science (GI-science)
captures, stores, queries, and displays the geographic data.
geographic information system (GIS)
scans of Earth’s surface from satellites transmit images in digital form to a receiving station on Earth’s surface.
remote-sensing
the creation and dissemination of geographic data contributed voluntarily and for free by individuals.
volunteered geographic information (VGI)
scientific research done by amateur scientists.
citizen science
community-based mapping
participatory GIS (PGIS)
a map that overlaps data from one source on top of a map provided by a mapping service.
mashup
the relationship of a feature’s size on a map to its actual size on Earth. (three kinds: ratio, written, graphic)
map scale
the scientific method of transferring locations on Earth’s surface to a flat map.
projection
an arc drawn between the north and south poles.
meridian
a circle drawn around the globe parallel to the equator and at right angles to the meridians.
parallel
the numbering system used to identify a meridian.
longitude
a numbering system used to indicate the location of a parallel.
latitude
0 degrees longitude (passes through Greenwich)
prime meridian
aka Universal Time (UT); the time at prime meridian and is the master reference time for all points on Earth.
Greenwich Mean Time (GMT)
at 180 degrees longitude, it is the point where you move the clock back 24 hours if heading eastward towards America and vice versa.
international date line