introduction to gis - 9.10.24

GIS

Geographical Information Systems for spatial data analysis.

QGIS

Free, open-source GIS software for mapping.

Raster Data

Pixel-based data format representing continuous values.

Vector Data

Data format using points, lines, and polygons.

Coordinate Reference System (CRS)

Defines how map points relate to Earth.

Projection

Method to convert 3D Earth to 2D maps.

Shapefile

Vector format for storing geometric location.

Attribute Table

Contains descriptive information for vector features.

Resolution

Size of raster cells affecting detail level.

Metadata

Data providing information about GIS datasets.

GIS Layers

Different data types stacked for analysis.

North Arrow

Indicates map orientation and direction.

Scale Bar

Shows the relationship between map distance and real distance.

Legend

Explains symbols and colors used on a map.

Sampling Stations

Locations for data collection in field studies.

Data Analyst

Professionals analyzing spatial data for insights.

ArcGIS

License-based GIS software for advanced analysis.

CSV File

Comma-separated values format for tabular data.

Geotiff

Raster format with geographic metadata embedded.

Bathymetry

Study of underwater depth of ocean floors.

Marine Protected Areas

Regions designated for conservation of marine resources.

Cold-water Corals

Coral species thriving in deep, cold ocean waters.

GIS Software Programs

Various tools available for geographic data manipulation.

Job Market

Opportunities in GIS-related fields and positions.

Online Data Sources

Websites providing access to GIS datasets.

Spatial Analysis

Techniques to analyze spatial relationships in data.

Transects

Lines along which data is collected in surveys.

Natural Earth

Source for simple base layers of global maps.