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British Columbia Common Ground Alliance
GEOSPATIAL DATA:
Geospatial data is information that identifies and relates
the geographical location (in terms of latitude and longitude). The data also
identifies the characteristics of natural or constructed features and the
boundaries on the earth. Geospatial data includes facility location information
and notification areas.
GEOGRAPHIC INFORMATION SYSTEM (GIS):
This system consists of an
organized collection of computer hardware, software, and geographic data used
to capture, store, update, maintain, analyze, and display all forms of
geographically referenced information. Key components of a GIS are an
integrated computer system, user, and geospatial data.
GLOBAL POSITIONING SYSTEM (GPS):
This system consists of using a
number of satellites to provide the precise position, velocity, and time
information to users anywhere on the planet. Through a process called
triangulation, a GPS receiver is able to determine location information by
collecting signals from three or more satellites. These hand-held receivers can
be accurate within 100 metres of a true position. Most sophisticated receivers
can provide sub-meter accuracy.
GRADE (NOUN):
The surface elevation.
GRADE (VERB):
The act of changing the surface elevation.
GROUND DISTURBANCE:
This term refers to any work, operation, or activity
on or under the existing surface that results in a disturbance or displacement of
the soil or ground cover. The disturbance may include but is not limited to the
following activities: digging; excavation; trenching; vertical drilling; topsoil
stripping; land levelling; tree planting; subsoil aeration; mechanical rock
picking; rutting and driving fence posts; bars; rods; pins; or anchors.
GROUND DISTURBER:
A ground disturber is the person who proposes or
engages in an excavation or demolition work, either for him or herself, or for
another person.
GROUND PENETRATING RADAR (GPR):
GPR is a geophysical method that
uses radar pulses to create a three-dimensional view of underground materials.
GROUNDING SYSTEM:
This system consists of one or more ground
conductors or ground rods that provides a low resistance path to earth ground
potential through a mechanical connection to structures, conductors, and
equipment.
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