Editing Gis Remote Sensing (section)

== <span style="color: #FFFFFF;">Remembering</span> ==
* '''GIS (Geographic Information System)''' — A computer system for capturing, storing, checking, and displaying data related to positions on Earth's surface.
* '''Remote Sensing''' — The scanning of the earth by satellite or high-flying aircraft in order to obtain information about it.
* '''Pixel''' — The smallest unit of an image; in remote sensing, one pixel might represent 10x10 meters of ground.
* '''Resolution (Spatial)''' — The level of detail in an image; how small of an object can you see?
* '''Resolution (Spectral)''' — The ability of a sensor to "see" colors beyond the human eye (e.g., Infrared, Ultraviolet).
* '''Vector Data''' — Geographic data represented as '''Points''', '''Lines''', or '''Polygons''' (e.g., a city point, a road line).
* '''Raster Data''' — Geographic data represented as a '''Grid of Pixels''' (e.g., a satellite photo).
* '''Layer''' — A single "theme" of data in a GIS (e.g., a layer of 'Rivers' on top of a layer of 'Cities').
* '''GPS (Global Positioning System)''' — A network of satellites used to determine the ground position of an object.
* '''Lidar''' — A remote sensing method that uses light in the form of a pulsed laser to measure ranges (creating 3D maps).
* '''Metadata''' — "Data about data"; information on when, where, and how a map was made.
* '''Geoprocessing''' — Using tools to manipulate GIS data (e.g., "Find all houses within 1km of the river").
* '''NDVI (Normalized Difference Vegetation Index)''' — A calculation used to determine how "green" or "healthy" plants are from space.
</div>

<div style="background-color: #006400; color: #FFFFFF; padding: 20px; border-radius: 8px; margin-bottom: 15px;">